add sdram and lcd driver

bsp/gd32450z-eval/applications/application.c

@@ -15,31 +15,64 @@
 
 #include <board.h>
 #include <rtthread.h>
-#include "finsh.h"
+#include <finsh.h>
+
+#ifdef RT_USING_GUIENGINE
+#include "rtgui_demo.h"
+#include <rtgui/driver.h>
+#endif
 
 #include <gd32f4xx.h>
 
+void  gd_eval_led_init (void)
+{
+    /* enable the led clock */
+    rcu_periph_clock_enable(RCU_GPIOD);
+    /* configure led GPIO port */ 
+    gpio_mode_set(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,GPIO_PIN_4);
+    gpio_output_options_set(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_4);
+
+    GPIO_BC(GPIOD) = GPIO_PIN_4;
+}
+
 void rt_init_thread_entry(void* parameter)
 {    
      /* initialization RT-Thread Components */
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_init();
 #endif
+    
+    gd_eval_led_init();
+    
+#ifdef RT_USING_GUIENGINE
+	{
+		rt_device_t device;
+
+		device = rt_device_find("lcd");
+		/* re-set graphic device */
+		rtgui_graphic_set_device(device);
+        
+        rt_gui_demo_init();
+	}
+#endif
+    
+    while(1)
+    {
+        GPIO_TG(GPIOD) = GPIO_PIN_4;
+        rt_thread_delay(RT_TICK_PER_SECOND);
+    }
 
 }
 int rt_application_init()
 {
     rt_thread_t tid;
 
-
     tid = rt_thread_create("init",
         rt_init_thread_entry, RT_NULL,
         2048, RT_THREAD_PRIORITY_MAX/3, 20);
 
     if (tid != RT_NULL)
         rt_thread_startup(tid);
-    
-
 
     return 0;
 }

bsp/gd32450z-eval/applications/rtgui_demo.c

+/*
+ * File      : application.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include <rtthread.h>
+#include <rtgui/rtgui.h>
+#include <rtgui/rtgui_system.h>
+#include <rtgui/rtgui_app.h>
+
+#include <rtgui/widgets/window.h>
+#include <rtgui/dc.h>
+#include <rtgui/dc_hw.h>
+
+#include "finsh.h"
+#include "rtgui_demo.h"
+
+#define DEBUG
+
+#ifdef DEBUG
+#define DEBUG_PRINTF(...)   rt_kprintf(__VA_ARGS__)
+#else
+#define DEBUG_PRINTF(...)   
+#endif
+
+#ifdef RT_USING_GUIENGINE
+
+struct rtgui_win *main_win;
+rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event);
+
+static void rt_gui_demo_entry(void *parameter)
+{    
+    struct rtgui_app *app;
+	//struct rtgui_dc *dc;
+    
+    DEBUG_PRINTF("gui demo entry\n");
+	
+	/* create gui app */
+    app = rtgui_app_create("gui_demo");
+    if (app == RT_NULL)
+    {
+        DEBUG_PRINTF("rtgui_app_create faild\n");
+        return;	
+    }
+    
+	/* create main window */
+	main_win = rtgui_mainwin_create(RT_NULL, 
+									"UiWindow", RTGUI_WIN_STYLE_NO_TITLE | RTGUI_WIN_STYLE_NO_BORDER);
+    if (main_win == RT_NULL)
+    {
+        DEBUG_PRINTF("main_win is null\n");
+        rtgui_app_destroy(app);
+        return;
+    }
+	
+	rtgui_object_set_event_handler(RTGUI_OBJECT(main_win), dc_event_handler);
+	
+    DEBUG_PRINTF("rtgui_win_show\n");
+	rtgui_win_show(main_win, RT_FALSE);
+    
+    DEBUG_PRINTF("rtgui_app_run\n");
+	rtgui_app_run(app);
+    
+    DEBUG_PRINTF("rtgui_win_destroy\n");
+	rtgui_win_destroy(main_win);
+    
+    DEBUG_PRINTF("rtgui_app_destroy\n");
+	rtgui_app_destroy(app);	
+}
+
+rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event)
+{
+    struct rtgui_widget *widget = RTGUI_WIDGET(object);
+
+    if (event->type == RTGUI_EVENT_PAINT)
+    {
+        struct rtgui_dc *dc;
+        rtgui_rect_t rect;
+		
+		rt_kprintf("\r\n RTGUI_EVENT_PAINT \r\n");
+		rtgui_win_event_handler(RTGUI_OBJECT(widget), event);
+        
+        rtgui_widget_get_rect(widget, &rect);
+        DEBUG_PRINTF("widget react x1: %d, y1: %d, x2: %d, y2: %d\r\n",
+                                rect.x1, rect.y1, rect.x2, rect.y2);
+
+		dc = rtgui_dc_begin_drawing(widget);
+		if(dc == RT_NULL)
+		{
+			DEBUG_PRINTF("\r\n dc is null \r\n");
+			return RT_FALSE;
+		}
+
+		rtgui_dc_draw_line(dc, rect.x1, rect.y1, rect.x2, rect.y2);
+		rtgui_dc_draw_line(dc, rect.x1, rect.y2, rect.x2, rect.y1);
+        
+        rect.x1 += (rect.x2 - rect.x1) / 2;
+        rect.y1 += (rect.y2 - rect.y1) / 2;
+        rtgui_dc_draw_text_stroke(dc, __DATE__"--"__TIME__, &rect, HIGH_LIGHT, BLUE);
+        
+        
+		rtgui_dc_end_drawing(dc);
+    }
+	return RT_FALSE;
+}
+
+int rt_gui_demo_init(void)
+{
+    rt_thread_t tid;
+    tid = rt_thread_create("mygui",
+        rt_gui_demo_entry, RT_NULL,
+        2048, 25, 10);
+
+    if (tid != RT_NULL)
+        rt_thread_startup(tid);
+    
+    return 0;
+}
+#endif /* RT_USING_GUIENGINE */

bsp/gd32450z-eval/applications/rtgui_demo.h

+/*
+ * File      : dc.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-06-02     tanek      first version
+ */
+#ifndef __APP_GUI_DEMO_H__
+#define __APP_GUI_DEMO_H__
+
+extern int rt_gui_demo_init(void);
+
+#endif
+

bsp/gd32450z-eval/drivers/SConscript

@@ -7,7 +7,10 @@ cwd     = os.path.join(str(Dir('#')), 'drivers')
 # add the general drivers.
 src = Split("""
 board.c
+drv_exmc_sdram.c
 drv_usart.c
+gd32f450z_lcd_eval.c
+drv_lcd.c
 """)
 
 CPPPATH = [cwd]

bsp/gd32450z-eval/drivers/board.h

@@ -18,12 +18,9 @@
 
 #include <gd32f4xx.h>
 
-//	<o>Begin Address of External SDRAM
-//		<i>Default: 0xD0000000
-#define EXT_SDRAM_BEGIN    SDRAM_BANK_ADDR /* the begining address of external SDRAM */
-//	<o>End Address of External SRAM
-//		<i>Default: 0xD0800000
-#define EXT_SDRAM_END      (SDRAM_BANK_ADDR + W9825G6KH_SIZE) /* the end address of external SDRAM */
+
+#define EXT_SDRAM_BEGIN    (0xC0000000U) /* the begining address of external SDRAM */
+#define EXT_SDRAM_END      (EXT_SDRAM_BEGIN + (32U * 1024 * 1024)) /* the end address of external SDRAM */
 
 // <o> Internal SRAM memory size[Kbytes] <8-64>
 //	<i>Default: 64

bsp/gd32450z-eval/drivers/drv_exmc_sdram.c

+/*!
+    \file  main.c
+    \brief exmc sdram(MICRON 48LC16M16A2) driver
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-10-19, V1.0.0, demo for GD32F4xx
+*/
+
+#include "gd32f4xx.h"
+#include "drv_exmc_sdram.h"
+#include <rtthread.h>
+
+/* define mode register content */
+/* burst length */
+#define SDRAM_MODEREG_BURST_LENGTH_1             ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_LENGTH_2             ((uint16_t)0x0001)
+#define SDRAM_MODEREG_BURST_LENGTH_4             ((uint16_t)0x0002)
+#define SDRAM_MODEREG_BURST_LENGTH_8             ((uint16_t)0x0003)
+
+/* burst type */
+#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     ((uint16_t)0x0008)
+
+/* CAS latency */
+#define SDRAM_MODEREG_CAS_LATENCY_2              ((uint16_t)0x0020)
+#define SDRAM_MODEREG_CAS_LATENCY_3              ((uint16_t)0x0030)
+
+/* write mode */
+#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
+#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200)
+
+#define SDRAM_MODEREG_OPERATING_MODE_STANDARD    ((uint16_t)0x0000)
+
+#define SDRAM_TIMEOUT                            ((uint32_t)0x0000FFFF)
+
+static void delay_1ms(volatile uint32_t count)
+{
+    count *= 1000;
+    while (count--)
+    {
+        count = count;
+    }
+}
+
+/*!
+    \brief      sdram peripheral initialize
+    \param[in]  sdram_device: specifie the SDRAM device 
+    \param[out] none
+    \retval     none
+*/
+void exmc_synchronous_dynamic_ram_init(uint32_t sdram_device)
+{
+    exmc_sdram_parameter_struct        sdram_init_struct;
+    exmc_sdram_timing_parameter_struct  sdram_timing_init_struct;
+    exmc_sdram_command_parameter_struct     sdram_command_init_struct;
+
+    uint32_t command_content = 0, bank_select;
+    uint32_t timeout = SDRAM_TIMEOUT;
+
+    /* enable EXMC clock*/
+    rcu_periph_clock_enable(RCU_EXMC);
+    rcu_periph_clock_enable(RCU_GPIOB);
+    rcu_periph_clock_enable(RCU_GPIOC);
+    rcu_periph_clock_enable(RCU_GPIOD);
+    rcu_periph_clock_enable(RCU_GPIOE);
+    rcu_periph_clock_enable(RCU_GPIOF);
+    rcu_periph_clock_enable(RCU_GPIOG);
+    rcu_periph_clock_enable(RCU_GPIOH);
+
+    /* common GPIO configuration */
+    /* SDNWE(PC0),SDNE0(PC2),SDCKE0(PC3) pin configuration */ 
+    gpio_af_set(GPIOC, GPIO_AF_12, GPIO_PIN_0 | GPIO_PIN_2 | GPIO_PIN_3);
+    gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_0 | GPIO_PIN_2 | GPIO_PIN_3);
+    gpio_output_options_set(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0 | GPIO_PIN_2 | GPIO_PIN_3);
+
+    /* D2(PD0),D3(PD1),D13(PD8),D14(PD9),D15(PD10),D0(PD14),D1(PD15) pin configuration */
+    gpio_af_set(GPIOD, GPIO_AF_12, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_8 | GPIO_PIN_9 |
+                                   GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15);
+    gpio_mode_set(GPIOD, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_8 | GPIO_PIN_9 |
+                                                         GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15);
+    gpio_output_options_set(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_8 | GPIO_PIN_9 |
+                                                                     GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15);
+
+    /* NBL0(PE0),NBL1(PE1),D4(PE7),D5(PE8),D6(PE9),D7(PE10),D8(PE11),D9(PE12),D10(PE13),D11(PE14),D12(PE15) pin configuration */
+    gpio_af_set(GPIOE, GPIO_AF_12, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_7  | GPIO_PIN_8 |
+                                   GPIO_PIN_9  | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 |
+                                   GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
+    gpio_mode_set(GPIOE, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_7  | GPIO_PIN_8 |
+                                                         GPIO_PIN_9  | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 |
+                                                         GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
+    gpio_output_options_set(GPIOE, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_7  | GPIO_PIN_8 |
+                                                                     GPIO_PIN_9  | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 |
+                                                                     GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
+
+    /* A0(PF0),A1(PF1),A2(PF2),A3(PF3),A4(PF4),A5(PF5),NRAS(PF11),A6(PF12),A7(PF13),A8(PF14),A9(PF15) pin configuration */
+    gpio_af_set(GPIOF, GPIO_AF_12, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_2  | GPIO_PIN_3  |
+                                   GPIO_PIN_4  | GPIO_PIN_5  | GPIO_PIN_11 | GPIO_PIN_12 |
+                                   GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
+    gpio_mode_set(GPIOF, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_2  | GPIO_PIN_3  |
+                                                         GPIO_PIN_4  | GPIO_PIN_5  | GPIO_PIN_11 | GPIO_PIN_12 |
+                                                         GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
+    gpio_output_options_set(GPIOF, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0  | GPIO_PIN_1  | GPIO_PIN_2  | GPIO_PIN_3  |
+                                                                     GPIO_PIN_4  | GPIO_PIN_5  | GPIO_PIN_11 | GPIO_PIN_12 |
+                                                                     GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
+
+    /* A10(PG0),A11(PG1),A12(PG2),A14(PG4),A15(PG5),SDCLK(PG8),NCAS(PG15) pin configuration */
+    gpio_af_set(GPIOG, GPIO_AF_12, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_4 | 
+                                   GPIO_PIN_5 | GPIO_PIN_8 | GPIO_PIN_15);
+    gpio_mode_set(GPIOG, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_4 | 
+                                                         GPIO_PIN_5 | GPIO_PIN_8 | GPIO_PIN_15);
+    gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_4 | 
+                                                                     GPIO_PIN_5 | GPIO_PIN_8 | GPIO_PIN_15);
+
+    /* specify which SDRAM to read and write */
+    if(EXMC_SDRAM_DEVICE0 == sdram_device){
+        bank_select = EXMC_SDRAM_DEVICE0_SELECT;
+    }else{
+        bank_select = EXMC_SDRAM_DEVICE1_SELECT;
+    }
+
+    /* EXMC SDRAM device initialization sequence --------------------------------*/
+    /* Step 1 : configure SDRAM timing registers --------------------------------*/
+    /* LMRD: 2 clock cycles */
+    sdram_timing_init_struct.load_mode_register_delay = 2;
+    /* XSRD: min = 67ns */
+    sdram_timing_init_struct.exit_selfrefresh_delay = 7; 
+    /* RASD: min=42ns , max=120k (ns) */
+    sdram_timing_init_struct.row_address_select_delay = 5;
+    /* ARFD: min=60ns */
+    sdram_timing_init_struct.auto_refresh_delay = 6;
+    /* WRD:  min=1 Clock cycles +6ns */
+    sdram_timing_init_struct.write_recovery_delay = 2;
+    /* RPD:  min=18ns */
+    sdram_timing_init_struct.row_precharge_delay = 2;
+    /* RCD:  min=18ns */
+    sdram_timing_init_struct.row_to_column_delay = 2;
+
+    /* step 2 : configure SDRAM control registers ---------------------------------*/
+    sdram_init_struct.sdram_device = sdram_device;
+    sdram_init_struct.column_address_width = EXMC_SDRAM_COW_ADDRESS_9;
+    sdram_init_struct.row_address_width = EXMC_SDRAM_ROW_ADDRESS_13;
+    sdram_init_struct.data_width = EXMC_SDRAM_DATABUS_WIDTH_16B;
+    sdram_init_struct.internal_bank_number = EXMC_SDRAM_4_INTER_BANK;
+    sdram_init_struct.cas_latency = EXMC_CAS_LATENCY_3_SDCLK; 
+    sdram_init_struct.write_protection = DISABLE;
+    sdram_init_struct.sdclock_config = EXMC_SDCLK_PERIODS_2_HCLK;  
+    sdram_init_struct.brust_read_switch = ENABLE;
+    sdram_init_struct.pipeline_read_delay = EXMC_PIPELINE_DELAY_1_HCLK;
+    sdram_init_struct.timing  = &sdram_timing_init_struct;
+    /* EXMC SDRAM bank initialization */
+    exmc_sdram_init(&sdram_init_struct);
+
+    /* step 3 : configure CKE high command---------------------------------------*/
+    sdram_command_init_struct.command = EXMC_SDRAM_CLOCK_ENABLE;
+    sdram_command_init_struct.bank_select = bank_select;
+    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_1_SDCLK;
+    sdram_command_init_struct.mode_register_content = 0;
+    /* wait until the SDRAM controller is ready */ 
+    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0)){
+        timeout--;
+    }
+    /* send the command */
+    exmc_sdram_command_config(&sdram_command_init_struct);
+
+    /* step 4 : insert 10ms delay----------------------------------------------*/
+    delay_1ms(10);
+
+    /* step 5 : configure precharge all command----------------------------------*/
+    sdram_command_init_struct.command = EXMC_SDRAM_PRECHARGE_ALL;
+    sdram_command_init_struct.bank_select = bank_select;
+    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_1_SDCLK;
+    sdram_command_init_struct.mode_register_content = 0;
+    /* wait until the SDRAM controller is ready */
+    timeout = SDRAM_TIMEOUT; 
+    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0)){
+        timeout--;
+    }
+    /* send the command */
+    exmc_sdram_command_config(&sdram_command_init_struct);
+
+    /* step 6 : configure Auto-Refresh command-----------------------------------*/
+    sdram_command_init_struct.command = EXMC_SDRAM_AUTO_REFRESH;
+    sdram_command_init_struct.bank_select = bank_select;
+    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_8_SDCLK;
+    sdram_command_init_struct.mode_register_content = 0;
+    /* wait until the SDRAM controller is ready */ 
+    timeout = SDRAM_TIMEOUT; 
+    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0)){
+        timeout--;
+    }
+    /* send the command */
+    exmc_sdram_command_config(&sdram_command_init_struct);
+
+    /* step 7 : configure load mode register command-----------------------------*/
+    /* program mode register */
+    command_content = (uint32_t)SDRAM_MODEREG_BURST_LENGTH_1        |
+                                SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   |
+                                SDRAM_MODEREG_CAS_LATENCY_3           |
+                                SDRAM_MODEREG_OPERATING_MODE_STANDARD |
+                                SDRAM_MODEREG_WRITEBURST_MODE_SINGLE;
+
+    sdram_command_init_struct.command = EXMC_SDRAM_LOAD_MODE_REGISTER;
+    sdram_command_init_struct.bank_select = bank_select;
+    sdram_command_init_struct.auto_refresh_number = EXMC_SDRAM_AUTO_REFLESH_1_SDCLK;
+    sdram_command_init_struct.mode_register_content = command_content;
+
+    /* wait until the SDRAM controller is ready */ 
+    timeout = SDRAM_TIMEOUT; 
+    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0)){
+        timeout--;
+    }
+    /* send the command */
+    exmc_sdram_command_config(&sdram_command_init_struct);
+
+    /* step 8 : set the auto-refresh rate counter--------------------------------*/
+    /* 64ms, 8192-cycle refresh, 64ms/8192=7.81us */
+    /* SDCLK_Freq = SYS_Freq/2 */
+    /* (7.81 us * SDCLK_Freq) - 20 */
+    exmc_sdram_refresh_count_set(761);
+
+    /* wait until the SDRAM controller is ready */ 
+    timeout = SDRAM_TIMEOUT; 
+    while((exmc_flag_get(sdram_device, EXMC_SDRAM_FLAG_NREADY) != RESET) && (timeout > 0)){
+        timeout--;
+    }
+}
+
+/*!
+    \brief      fill the buffer with specified value
+    \param[in]  pbuffer: pointer on the buffer to fill
+    \param[in]  buffersize: size of the buffer to fill
+    \param[in]  value: value to fill on the buffer
+    \param[out] none
+    \retval     none
+*/
+void fill_buffer(uint8_t *pbuffer, uint16_t buffer_lengh, uint16_t offset)
+{
+    uint16_t index = 0;
+
+    /* put in global buffer same values */
+    for (index = 0; index < buffer_lengh; index++ ){
+        pbuffer[index] = index + offset;
+    }
+}
+
+/*!
+    \brief      write a byte buffer(data is 8 bits) to the EXMC SDRAM memory
+    \param[in]  sdram_device: specify which a SDRAM memory block is written
+    \param[in]  pbuffer: pointer to buffer
+    \param[in]  writeaddr: SDRAM memory internal address from which the data will be written
+    \param[in]  numbytetowrite: number of bytes to write
+    \param[out] none
+    \retval     none
+*/
+void sdram_writebuffer_8(uint32_t sdram_device,uint8_t* pbuffer, uint32_t writeaddr, uint32_t numbytetowrite)
+{
+    uint32_t temp_addr;
+    
+    /* Select the base address according to EXMC_Bank */
+    if(sdram_device == EXMC_SDRAM_DEVICE0){
+        temp_addr = SDRAM_DEVICE0_ADDR;
+    }else{
+        temp_addr = SDRAM_DEVICE1_ADDR;
+    }
+    
+     /* While there is data to write */
+    for(; numbytetowrite != 0; numbytetowrite--) {
+        /* Transfer data to the memory */
+        *(uint8_t *) (temp_addr + writeaddr) = *pbuffer++;
+
+        /* Increment the address*/  
+        writeaddr += 1;
+    }
+}
+
+/*!
+    \brief      read a block of 8-bit data from the EXMC SDRAM memory
+    \param[in]  sdram_device: specify which a SDRAM memory block is written
+    \param[in]  pbuffer: pointer to buffer
+    \param[in]  readaddr: SDRAM memory internal address to read from
+    \param[in]  numbytetoread: number of bytes to read
+    \param[out] none
+    \retval     none
+*/
+void sdram_readbuffer_8(uint32_t sdram_device,uint8_t* pbuffer, uint32_t readaddr, uint32_t numbytetoread)
+{
+    uint32_t temp_addr;
+    
+    /* select the base address according to EXMC_Bank */
+    if(sdram_device == EXMC_SDRAM_DEVICE0){
+        temp_addr = SDRAM_DEVICE0_ADDR;
+    }else{
+        temp_addr = SDRAM_DEVICE1_ADDR;
+    }
+    
+    /* while there is data to read */
+    for(; numbytetoread != 0; numbytetoread--){
+        /* read a byte from the memory */
+        *pbuffer++ = *(uint8_t*) (temp_addr + readaddr);
+    
+        /* increment the address */
+        readaddr += 1;
+    }
+}
+
+int rt_hw_sdram_init(void)
+{
+    exmc_synchronous_dynamic_ram_init(EXMC_SDRAM_DEVICE0);
+    return 0;
+}
+INIT_BOARD_EXPORT(rt_hw_sdram_init);
+

bsp/gd32450z-eval/drivers/drv_exmc_sdram.h

+/*!
+    \file  exmc_nandflash.h
+    \brief the header file of sdram(MICRON 48LC16M16A2) driver
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-10-19, V1.0.0, demo for GD32F4xx
+*/
+
+#ifndef EXMC_SDRAM_H
+#define EXMC_SDRAM_H
+
+#include "gd32f4xx.h"
+
+/* sdram peripheral initialize */
+void exmc_synchronous_dynamic_ram_init(uint32_t sdram_device);
+
+/* fill the buffer with specified value */
+void fill_buffer(uint8_t *pbuffer, uint16_t buffer_lengh, uint16_t offset);
+
+/* write a byte buffer(data is 8 bits) to the EXMC SDRAM memory */
+void sdram_writebuffer_8(uint32_t sdram_device,uint8_t* pbuffer, uint32_t writeaddr, uint32_t numbytetowrite);
+
+/* read a block of 8-bit data from the EXMC SDRAM memory */
+void sdram_readbuffer_8(uint32_t sdram_device,uint8_t* pbuffer, uint32_t readaddr, uint32_t numbytetoread);
+
+#define SDRAM_DEVICE0_ADDR                         ((uint32_t)0xC0000000)
+#define SDRAM_DEVICE1_ADDR                         ((uint32_t)0xD0000000)
+
+#endif /* EXMC_SDRAM_H */

bsp/gd32450z-eval/drivers/drv_lcd.c

+/*
+ * File      : usart.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2009-01-05     Tanek        the first version
+ */
+
+#include "gd32f450z_lcd_eval.h"
+#include <gd32f4xx.h>
+#include <drv_usart.h>
+#include <board.h>
+
+#include <finsh.h>
+
+#define RT_HW_LCD_WIDTH                ((uint16_t)320)     /* LCD PIXEL WIDTH            */
+#define RT_HW_LCD_HEIGHT               ((uint16_t)480)     /* LCD PIXEL HEIGHT           */
+
+#define LCD_480_320_HSYNC              ((uint32_t)10)      /* Horizontal synchronization */
+#define LCD_480_320_HBP                ((uint32_t)20)     /* Horizontal back porch      */
+#define LCD_480_320_HFP                ((uint32_t)40)      /* Horizontal front porch     */
+#define LCD_480_320_VSYNC              ((uint32_t)2)       /* Vertical synchronization   */
+#define LCD_480_320_VBP                ((uint32_t)1)      /* Vertical back porch        */
+#define LCD_480_320_VFP                ((uint32_t)4)      /* Vertical front porch       */
+
+#define LCD_BITS_PER_PIXEL             16
+
+
+static rt_uint16_t *lcd_framebuffer = RT_NULL;
+static rt_uint16_t *_rt_framebuffer = RT_NULL;
+
+static struct rt_device_graphic_info _lcd_info;
+static struct rt_device lcd;
+
+/*!
+    \brief      configure TLI GPIO  
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+static void tli_gpio_config(void)
+{
+    /* enable the periphral clock */
+    rcu_periph_clock_enable(RCU_GPIOA);
+    rcu_periph_clock_enable(RCU_GPIOB);
+    rcu_periph_clock_enable(RCU_GPIOC);
+    rcu_periph_clock_enable(RCU_GPIOD);
+    rcu_periph_clock_enable(RCU_GPIOF);
+    rcu_periph_clock_enable(RCU_GPIOG);
+
+    /* configure HSYNC(PC6), VSYNC(PA4), PCLK(PG7), DE(PF10) */
+    /* configure LCD_R7(PG6), LCD_R6(PA8), LCD_R5(PA12), LCD_R4(PA11), LCD_R3(PB0), 
+                 LCD_G7(PD3), LCD_G6(PC7), LCD_G5(PB11), LCD_G4(PB10), LCD_G3(PG10), LCD_G2(PA6),
+                 LCD_B7(PB9), LCD_B6(PB8), LCD_B5(PA3), LCD_B4(PG12), LCD_B3(PG11) */
+    gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_3);  
+    gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_4);
+    gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_6);  
+    gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_12); 
+    gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_11);  
+    gpio_af_set(GPIOA,GPIO_AF_14,GPIO_PIN_8); 
+    
+    gpio_af_set(GPIOB,GPIO_AF_9,GPIO_PIN_0);  
+    gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_10);     
+    gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_11);
+    gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_8);     
+    gpio_af_set(GPIOB,GPIO_AF_14,GPIO_PIN_9);
+    
+    gpio_af_set(GPIOC,GPIO_AF_14,GPIO_PIN_6);     
+    gpio_af_set(GPIOC,GPIO_AF_14,GPIO_PIN_7);
+    
+    gpio_af_set(GPIOD,GPIO_AF_14,GPIO_PIN_3);     
+
+    gpio_af_set(GPIOF,GPIO_AF_14,GPIO_PIN_10);     
+    
+    gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_6);     
+    gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_7);
+    gpio_af_set(GPIOG,GPIO_AF_9,GPIO_PIN_10);
+    gpio_af_set(GPIOG,GPIO_AF_14,GPIO_PIN_11);     
+    gpio_af_set(GPIOG,GPIO_AF_9,GPIO_PIN_12);    
+
+    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_4|GPIO_PIN_3|GPIO_PIN_6
+    |GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12);
+    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_4|GPIO_PIN_3
+    |GPIO_PIN_6|GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12);
+
+    gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_0|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
+    |GPIO_PIN_11);
+    gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
+    |GPIO_PIN_11);
+
+    gpio_mode_set(GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6|GPIO_PIN_7);
+    gpio_output_options_set(GPIOC, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_6|GPIO_PIN_7);
+
+    gpio_mode_set(GPIOD, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_3);
+    gpio_output_options_set(GPIOD, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_3);
+
+    gpio_mode_set(GPIOF, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_10);
+    gpio_output_options_set(GPIOF, GPIO_OTYPE_PP,GPIO_OSPEED_50MHZ, GPIO_PIN_10);
+
+    gpio_mode_set(GPIOG, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_11
+    |GPIO_PIN_12);
+    gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_11
+    |GPIO_PIN_12);
+}
+
+/*!
+    \brief      LCD Configuration
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+static void lcd_config(void)
+{
+    /* configure the LCD control line */
+    lcd_ctrl_line_config();
+    lcd_disable();
+    lcd_enable();
+    
+    /* configure the GPIO of TLI */
+    tli_gpio_config();
+    /* configure the LCD_SPI */
+    lcd_spi_config(); 
+
+    /* power on the LCD */
+    //lcd_power_on();
+	lcd_power_on3();  //New Version 3.5" TFT RGB Hardware needs use this initilize funtion  ---By xufei 2016.10.21
+}
+
+/*!
+    \brief      configure TLI peripheral
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+static void tli_config(void)
+{
+    tli_parameter_struct               tli_init_struct;
+    tli_layer_parameter_struct         tli_layer_init_struct;
+ 
+    rcu_periph_clock_enable(RCU_TLI);
+    tli_gpio_config();
+
+    /* configure the PLLSAI clock to generate lcd clock */
+    if(ERROR == rcu_pllsai_config(192, 2, 3, 3)){
+        while(1);
+    }
+    rcu_tli_clock_div_config(RCU_PLLSAIR_DIV8);
+    rcu_osci_on(RCU_PLLSAI_CK);
+    if(ERROR == rcu_osci_stab_wait(RCU_PLLSAI_CK)){
+        while(1);
+    }
+    
+    /* TLI initialization */
+    tli_init_struct.signalpolarity_hs = TLI_HSYN_ACTLIVE_LOW;
+    tli_init_struct.signalpolarity_vs = TLI_VSYN_ACTLIVE_LOW;
+    tli_init_struct.signalpolarity_de = TLI_DE_ACTLIVE_LOW;
+    tli_init_struct.signalpolarity_pixelck = TLI_PIXEL_CLOCK_TLI;
+    
+    /* LCD display timing configuration */
+    tli_init_struct.synpsz_hpsz   = LCD_480_320_HSYNC;
+    tli_init_struct.synpsz_vpsz   = LCD_480_320_VSYNC;
+    tli_init_struct.backpsz_hbpsz = LCD_480_320_HSYNC + LCD_480_320_HBP; 
+    tli_init_struct.backpsz_vbpsz = LCD_480_320_VSYNC + LCD_480_320_VBP;  
+    tli_init_struct.activesz_hasz = RT_HW_LCD_WIDTH + LCD_480_320_HSYNC + LCD_480_320_HBP;
+    tli_init_struct.activesz_vasz = RT_HW_LCD_HEIGHT + LCD_480_320_VSYNC + LCD_480_320_VBP;
+    tli_init_struct.totalsz_htsz  = RT_HW_LCD_WIDTH + LCD_480_320_HSYNC + LCD_480_320_HBP + LCD_480_320_HFP; 
+    tli_init_struct.totalsz_vtsz  = RT_HW_LCD_HEIGHT + LCD_480_320_VSYNC + LCD_480_320_VBP + LCD_480_320_VFP;
+    
+    /* LCD background color configure*/
+    tli_init_struct.backcolor_red   = 0x00;
+    tli_init_struct.backcolor_green = 0x00;
+    tli_init_struct.backcolor_blue  = 0x00; 
+    tli_init(&tli_init_struct);
+    
+    lcd_framebuffer = rt_malloc(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
+    RT_ASSERT(lcd_framebuffer != NULL);
+    rt_memset(lcd_framebuffer, 0, sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT);
+
+    /* TLI layer0 configuration */
+    tli_layer_init_struct.layer_window_leftpos          = tli_init_struct.backpsz_hbpsz + 1;
+    tli_layer_init_struct.layer_window_rightpos         = tli_init_struct.backpsz_hbpsz + RT_HW_LCD_WIDTH; 
+    tli_layer_init_struct.layer_window_toppos           = tli_init_struct.backpsz_vbpsz + 1;
+    tli_layer_init_struct.layer_window_bottompos        = tli_init_struct.backpsz_vbpsz + RT_HW_LCD_HEIGHT;
+    
+    tli_layer_init_struct.layer_ppf                     = LAYER_PPF_RGB565;
+    tli_layer_init_struct.layer_sa                      = 0xFF;
+    tli_layer_init_struct.layer_default_blue            = 0x00;        
+    tli_layer_init_struct.layer_default_green           = 0x00;       
+    tli_layer_init_struct.layer_default_red             = 0x00;         
+    tli_layer_init_struct.layer_default_alpha           = 0x00;
+    tli_layer_init_struct.layer_acf1                    = LAYER_ACF1_PASA;    
+    tli_layer_init_struct.layer_acf2                    = LAYER_ACF2_PASA;
+    tli_layer_init_struct.layer_frame_bufaddr           = (uint32_t)lcd_framebuffer;    
+    tli_layer_init_struct.layer_frame_line_length       = ((RT_HW_LCD_WIDTH * 2) + 3); 
+    tli_layer_init_struct.layer_frame_buf_stride_offset = (RT_HW_LCD_WIDTH * 2);
+    tli_layer_init_struct.layer_frame_total_line_number = RT_HW_LCD_HEIGHT; 
+    
+    tli_layer_init(LAYER0, &tli_layer_init_struct);
+}
+
+static rt_err_t rt_lcd_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+{
+    switch (cmd)
+    {
+    case RTGRAPHIC_CTRL_RECT_UPDATE:
+    {        
+        memcpy((void *)lcd_framebuffer, _rt_framebuffer, sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
+    }
+    break;
+    
+    case RTGRAPHIC_CTRL_POWERON:
+        break;
+    
+    case RTGRAPHIC_CTRL_POWEROFF:
+        break;
+    
+    case RTGRAPHIC_CTRL_GET_INFO:
+        memcpy(args, &_lcd_info, sizeof(_lcd_info));
+        break;
+    
+    case RTGRAPHIC_CTRL_SET_MODE:
+        break;
+    }
+
+    return RT_EOK;
+}
+
+int gd32_hw_lcd_init(void)
+{
+    _rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT, 32);
+    if (_rt_framebuffer == RT_NULL) 
+        return -1; /* no memory yet */
+    
+    lcd_config();
+    tli_config();
+    tli_layer_enable(LAYER0);  
+    tli_reload_config(TLI_FRAME_BLANK_RELOAD_EN);
+    tli_enable();
+    
+    _lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
+    _lcd_info.pixel_format   = RTGRAPHIC_PIXEL_FORMAT_RGB565;
+    _lcd_info.framebuffer    = (void *)_rt_framebuffer;
+    _lcd_info.width          = RT_HW_LCD_WIDTH;
+    _lcd_info.height         = RT_HW_LCD_HEIGHT;
+    
+    lcd.type    = RT_Device_Class_Graphic;
+    lcd.init    = NULL;
+    lcd.open    = NULL;
+    lcd.close   = NULL;
+    lcd.read    = NULL;
+    lcd.write   = NULL;
+    lcd.control = rt_lcd_control;
+    lcd.user_data = (void *)&_lcd_info;
+    
+    /* register lcd device to RT-Thread */
+    rt_device_register(&lcd, "lcd", RT_DEVICE_FLAG_RDWR);
+    
+    return 0;
+}
+INIT_DEVICE_EXPORT(gd32_hw_lcd_init);

bsp/gd32450z-eval/drivers/drv_usart.c

@@ -20,6 +20,16 @@
 #include <drv_usart.h>
 #include <board.h>
 
+#ifdef RT_USING_SERIAL
+
+#if !defined(RT_USING_USART0) && !defined(RT_USING_USART1) && \
+    !defined(RT_USING_USART2) && !defined(RT_USING_UART3)  && \
+    !defined(RT_USING_UART4) && !defined(RT_USING_USART5)  && \
+    !defined(RT_USING_UART6) && !defined(RT_USING_UART7)
+#error "Please define "
+
+#endif
+
 #include <rtdevice.h>
 
 /* GD32 uart driver */
@@ -27,203 +37,37 @@
 struct gd32_uart
 {
     uint32_t uart_periph;           //Todo: 3bits
-    IRQn_Type irqn;                 //Todo: 7bits
-    
+    IRQn_Type irqn;                 //Todo: 7bits    
     rcu_periph_enum per_clk;        //Todo: 5bits
     rcu_periph_enum tx_gpio_clk;    //Todo: 5bits
     rcu_periph_enum rx_gpio_clk;    //Todo: 5bits
-
     uint32_t tx_port;               //Todo: 4bits
     uint16_t tx_af;                 //Todo: 4bits
     uint16_t tx_pin;                //Todo: 4bits
-    
     uint32_t rx_port;               //Todo: 4bits
     uint16_t rx_af;                 //Todo: 4bits
     uint16_t rx_pin;                //Todo: 4bits
-};
-
-/**
-* @brief UART MSP Initialization
-*        This function configures the hardware resources used in this example:
-*           - Peripheral's clock enable
-*           - Peripheral's GPIO Configuration
-*           - NVIC configuration for UART interrupt request enable
-* @param huart: UART handle pointer
-* @retval None
-*/
-void gd32_uart_gpio_init(struct gd32_uart *uart)
-{
-    /* enable USART clock */
-    rcu_periph_clock_enable(uart->tx_gpio_clk);
-    rcu_periph_clock_enable(uart->rx_gpio_clk);
-    rcu_periph_clock_enable(uart->per_clk);
-
-    /* connect port to USARTx_Tx */
-    gpio_af_set(uart->tx_port, uart->tx_af, uart->tx_pin);
-
-    /* connect port to USARTx_Rx */
-    gpio_af_set(uart->rx_port, uart->rx_af, uart->rx_pin);
-
-    /* configure USART Tx as alternate function push-pull */
-    gpio_mode_set(uart->tx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, uart->tx_pin);
-    gpio_output_options_set(uart->tx_port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, uart->tx_pin);
-
-    /* configure USART Rx as alternate function push-pull */
-    gpio_mode_set(uart->rx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, uart->rx_pin);
-    gpio_output_options_set(uart->rx_port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, uart->rx_pin);
-    
-    NVIC_SetPriority(uart->irqn, 0);
-    NVIC_EnableIRQ(uart->irqn);
-}
-
-static rt_err_t gd32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
-{
-    struct gd32_uart *uart;
-
-    RT_ASSERT(serial != RT_NULL);
-    RT_ASSERT(cfg != RT_NULL);
-
-    uart = (struct gd32_uart *)serial->parent.user_data;
-    
-    gd32_uart_gpio_init(uart);
-    
-    usart_baudrate_set(uart->uart_periph, cfg->baud_rate);
-
-    switch (cfg->data_bits)
-    {
-    case DATA_BITS_9:
-        usart_word_length_set(uart->uart_periph, USART_WL_9BIT);
-        break;
-
-    default:
-        usart_word_length_set(uart->uart_periph, USART_WL_8BIT);
-        break;
-    }
-
-    switch (cfg->stop_bits)
-    {
-    case STOP_BITS_2:
-        usart_stop_bit_set(uart->uart_periph, USART_STB_2BIT);
-        break;
-    default:
-        usart_stop_bit_set(uart->uart_periph, USART_STB_1BIT);
-        break;
-    }
-
-    switch (cfg->parity)
-    {
-    case PARITY_ODD:
-        usart_parity_config(uart->uart_periph, USART_PM_ODD);
-        break;
-    case PARITY_EVEN:
-        usart_parity_config(uart->uart_periph, USART_PM_EVEN);
-        break;
-    default:
-        usart_parity_config(uart->uart_periph, USART_PM_NONE);
-        break;
-    }
-
-    usart_receive_config(uart->uart_periph, USART_RECEIVE_ENABLE);
-    usart_transmit_config(uart->uart_periph, USART_TRANSMIT_ENABLE);
-    usart_enable(uart->uart_periph);
-
-    return RT_EOK;
-}
-
-static rt_err_t gd32_control(struct rt_serial_device *serial, int cmd, void *arg)
-{
-    struct gd32_uart *uart;
-
-    RT_ASSERT(serial != RT_NULL);
-    uart = (struct gd32_uart *)serial->parent.user_data;
-
-    switch (cmd)
-    {
-    case RT_DEVICE_CTRL_CLR_INT:
-        /* disable rx irq */
-        NVIC_DisableIRQ(uart->irqn);
-        /* disable interrupt */
-        usart_interrupt_disable(uart->uart_periph, USART_INTEN_RBNEIE);
-
-        break;
-    case RT_DEVICE_CTRL_SET_INT:
-        /* enable rx irq */
-        NVIC_EnableIRQ(uart->irqn);
-        /* enable interrupt */
-        usart_interrupt_enable(uart->uart_periph, USART_INTEN_RBNEIE);
-        break;
-    }
-
-    return RT_EOK;
-}
-
-static int gd32_putc(struct rt_serial_device *serial, char ch)
-{
-    struct gd32_uart *uart;
-
-    RT_ASSERT(serial != RT_NULL);
-    uart = (struct gd32_uart *)serial->parent.user_data;
-
-    usart_data_transmit(uart->uart_periph, ch);
-    while((usart_flag_get(uart->uart_periph, USART_FLAG_TC) == RESET));
-    
-    return 1;
-}
 
-static int gd32_getc(struct rt_serial_device *serial)
-{
-    int ch;
-    struct gd32_uart *uart;
-
-    RT_ASSERT(serial != RT_NULL);
-    uart = (struct gd32_uart *)serial->parent.user_data;
-
-    ch = -1;
-    if (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET)
-        ch = usart_data_receive(uart->uart_periph);
-    return ch;
-}
-
-/**
- * Uart common interrupt process. This need add to uart ISR.
- *
- * @param serial serial device
- */
-static void uart_isr(struct rt_serial_device *serial)
-{
-    struct gd32_uart *uart = (struct gd32_uart *) serial->parent.user_data;
-
-    RT_ASSERT(uart != RT_NULL);
-
-    /* UART in mode Receiver -------------------------------------------------*/
-    if ((usart_interrupt_flag_get(uart->uart_periph, USART_INT_RBNEIE) != RESET) &&
-            (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET))
-    {
-        rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
-        /* Clear RXNE interrupt flag */
-        usart_flag_clear(uart->uart_periph, USART_FLAG_RBNE);
-    }
-}
-
-static const struct rt_uart_ops gd32_uart_ops =
-{
-    gd32_configure,
-    gd32_control,
-    gd32_putc,
-    gd32_getc,
+    struct rt_serial_device * serial;    
+    char *device_name;
 };
 
+static void uart_isr(struct rt_serial_device *serial);
+
 #if defined(RT_USING_USART0)
+struct rt_serial_device serial0;
+
 /* UART1 device driver structure */
-struct gd32_uart usart0 =
+const struct gd32_uart usart0 =
 {
     USART0,                                 // uart peripheral index
     USART0_IRQn,                            // uart iqrn
     RCU_USART0, RCU_GPIOA, RCU_GPIOA,       // periph clock, tx gpio clock, rt gpio clock
     GPIOA, GPIO_AF_7, GPIO_PIN_9,           // tx port, tx alternate, tx pin
     GPIOA, GPIO_AF_7, GPIO_PIN_10,          // rx port, rx alternate, rx pin
+    &serial0,
+    "uart0",
 };
-struct rt_serial_device serial0;
 
 void USART0_IRQHandler(void)
 {
@@ -239,16 +83,18 @@ void USART0_IRQHandler(void)
 #endif /* RT_USING_USART0 */
 
 #if defined(RT_USING_USART1)
+struct rt_serial_device serial1;
 /* UART1 device driver structure */
-struct gd32_uart usart1 =
+const struct gd32_uart usart1 =
 {
     USART1,                                 // uart peripheral index
     USART1_IRQn,                            // uart iqrn
     RCU_USART1, RCU_GPIOA, RCU_GPIOA,       // periph clock, tx gpio clock, rt gpio clock
     GPIOA, GPIO_AF_7, GPIO_PIN_2,           // tx port, tx alternate, tx pin
     GPIOA, GPIO_AF_7, GPIO_PIN_3,           // rx port, rx alternate, rx pin
+    &serial1,
+    "uart1",
 };
-struct rt_serial_device serial1;
 
 void USART1_IRQHandler(void)
 {
@@ -264,16 +110,18 @@ void USART1_IRQHandler(void)
 #endif /* RT_USING_UART1 */
 
 #if defined(RT_USING_USART2)
+struct rt_serial_device serial2;
 /* UART2 device driver structure */
-struct gd32_uart usart2 =
+const struct gd32_uart usart2 =
 {
     USART2,                                 // uart peripheral index
     USART2_IRQn,                            // uart iqrn
     RCU_USART2, RCU_GPIOB, RCU_GPIOB,       // periph clock, tx gpio clock, rt gpio clock
     GPIOB, GPIO_AF_7, GPIO_PIN_10,          // tx port, tx alternate, tx pin
     GPIOB, GPIO_AF_7, GPIO_PIN_11,          // rx port, rx alternate, rx pin
+    &serial2,
+    "uart2",
 };
-struct rt_serial_device serial2;
 
 void USART2_IRQHandler(void)
 {
@@ -289,16 +137,18 @@ void USART2_IRQHandler(void)
 #endif /* RT_USING_UART2 */
 
 #if defined(RT_USING_UART3)
+struct rt_serial_device serial3;
 /* UART3 device driver structure */
-struct gd32_uart uart3 =
+const struct gd32_uart uart3 =
 {
     UART3,                                 // uart peripheral index
     UART3_IRQn,                            // uart iqrn
     RCU_UART3, RCU_GPIOC, RCU_GPIOC,       // periph clock, tx gpio clock, rt gpio clock
     GPIOC, GPIO_AF_8, GPIO_PIN_10,         // tx port, tx alternate, tx pin
     GPIOC, GPIO_AF_8, GPIO_PIN_11,         // rx port, rx alternate, rx pin
+    &serial3,
+    "uart3",
 };
-struct rt_serial_device serial3;
 
 void UART3_IRQHandler(void)
 {
@@ -314,16 +164,18 @@ void UART3_IRQHandler(void)
 #endif /* RT_USING_UART3 */
 
 #if defined(RT_USING_UART4)
+struct rt_serial_device serial4;
 /* UART4 device driver structure */
-struct gd32_uart uart4 =
+const struct gd32_uart uart4 =
 {
     UART4,                                 // uart peripheral index
     UART4_IRQn,                            // uart iqrn
     RCU_UART4, RCU_GPIOC, RCU_GPIOD,       // periph clock, tx gpio clock, rt gpio clock
     GPIOC, GPIO_AF_8, GPIO_PIN_12,         // tx port, tx alternate, tx pin
     GPIOD, GPIO_AF_8, GPIO_PIN_2,          // rx port, rx alternate, rx pin
+    &serial4,
+    "uart4",
 };
-struct rt_serial_device serial4;
 
 void UART4_IRQHandler(void)
 {
@@ -338,16 +190,18 @@ void UART4_IRQHandler(void)
 #endif /* RT_USING_UART4 */
 
 #if defined(RT_USING_USART5)
+struct rt_serial_device serial5;
 /* UART5 device driver structure */
-struct gd32_uart usart5 =
+const struct gd32_uart usart5 =
 {
     USART5,                                 // uart peripheral index
     USART5_IRQn,                            // uart iqrn
     RCU_USART5, RCU_GPIOC, RCU_GPIOC,       // periph clock, tx gpio clock, rt gpio clock
     GPIOC, GPIO_AF_8, GPIO_PIN_6,           // tx port, tx alternate, tx pin
     GPIOC, GPIO_AF_8, GPIO_PIN_7,           // rx port, rx alternate, rx pin
+    &serial5,
+    "uart5",
 };
-struct rt_serial_device serial5;
 
 void USART5_IRQHandler(void)
 {
@@ -363,16 +217,18 @@ void USART5_IRQHandler(void)
 #endif /* RT_USING_UART5 */
 
 #if defined(RT_USING_UART6)
+struct rt_serial_device serial6;
 /* UART6 device driver structure */
-struct gd32_uart uart6 =
+const struct gd32_uart uart6 =
 {
     UART6,                                 // uart peripheral index
     UART6_IRQn,                            // uart iqrn
     RCU_UART6, RCU_GPIOE, RCU_GPIOE,       // periph clock, tx gpio clock, rt gpio clock
     GPIOE, GPIO_AF_8, GPIO_PIN_7,          // tx port, tx alternate, tx pin
     GPIOE, GPIO_AF_8, GPIO_PIN_8,          // rx port, rx alternate, rx pin
+    &serial6,
+    "uart6",
 };
-struct rt_serial_device serial6;
 
 void UART6_IRQHandler(void)
 {
@@ -388,16 +244,18 @@ void UART6_IRQHandler(void)
 #endif /* RT_USING_UART6 */
 
 #if defined(RT_USING_UART7)
+struct rt_serial_device serial7;
 /* UART7 device driver structure */
-struct gd32_uart uart7 =
+const struct gd32_uart uart7 =
 {
     UART7,                                 // uart peripheral index
     UART7_IRQn,                            // uart iqrn
     RCU_UART7, RCU_GPIOE, RCU_GPIOE,       // periph clock, tx gpio clock, rt gpio clock
     GPIOE, GPIO_AF_8, GPIO_PIN_0,          // tx port, tx alternate, tx pin
     GPIOE, GPIO_AF_8, GPIO_PIN_1,          // rx port, rx alternate, rx pin
+    &serial7,
+    "uart7",
 };
-struct rt_serial_device serial7;
 
 void UART7_IRQHandler(void)
 {
@@ -413,115 +271,228 @@ void UART7_IRQHandler(void)
 #endif /* RT_USING_UART7 */
 
 
-int gd32_hw_usart_init(void)
+/**
+* @brief UART MSP Initialization
+*        This function configures the hardware resources used in this example:
+*           - Peripheral's clock enable
+*           - Peripheral's GPIO Configuration
+*           - NVIC configuration for UART interrupt request enable
+* @param huart: UART handle pointer
+* @retval None
+*/
+void gd32_uart_gpio_init(struct gd32_uart *uart)
+{
+    /* enable USART clock */
+    rcu_periph_clock_enable(uart->tx_gpio_clk);
+    rcu_periph_clock_enable(uart->rx_gpio_clk);
+    rcu_periph_clock_enable(uart->per_clk);
+
+    /* connect port to USARTx_Tx */
+    gpio_af_set(uart->tx_port, uart->tx_af, uart->tx_pin);
+
+    /* connect port to USARTx_Rx */
+    gpio_af_set(uart->rx_port, uart->rx_af, uart->rx_pin);
+
+    /* configure USART Tx as alternate function push-pull */
+    gpio_mode_set(uart->tx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, uart->tx_pin);
+    gpio_output_options_set(uart->tx_port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, uart->tx_pin);
+
+    /* configure USART Rx as alternate function push-pull */
+    gpio_mode_set(uart->rx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, uart->rx_pin);
+    gpio_output_options_set(uart->rx_port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, uart->rx_pin);
+    
+    NVIC_SetPriority(uart->irqn, 0);
+    NVIC_EnableIRQ(uart->irqn);
+}
+
+static rt_err_t gd32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
 {
     struct gd32_uart *uart;
-    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+
+    RT_ASSERT(serial != RT_NULL);
+    RT_ASSERT(cfg != RT_NULL);
+
+    uart = (struct gd32_uart *)serial->parent.user_data;
     
-#ifdef RT_USING_USART0
-    uart = &usart0;
+    gd32_uart_gpio_init(uart);
+    
+    usart_baudrate_set(uart->uart_periph, cfg->baud_rate);
 
-    serial0.ops    = &gd32_uart_ops;
-    serial0.config = config;
+    switch (cfg->data_bits)
+    {
+    case DATA_BITS_9:
+        usart_word_length_set(uart->uart_periph, USART_WL_9BIT);
+        break;
 
-    /* register UART1 device */
-    rt_hw_serial_register(&serial0,
-                          "uart0",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_USART0 */
+    default:
+        usart_word_length_set(uart->uart_periph, USART_WL_8BIT);
+        break;
+    }
 
+    switch (cfg->stop_bits)
+    {
+    case STOP_BITS_2:
+        usart_stop_bit_set(uart->uart_periph, USART_STB_2BIT);
+        break;
+    default:
+        usart_stop_bit_set(uart->uart_periph, USART_STB_1BIT);
+        break;
+    }
 
-#ifdef RT_USING_USART1
-    uart = &usart1;
+    switch (cfg->parity)
+    {
+    case PARITY_ODD:
+        usart_parity_config(uart->uart_periph, USART_PM_ODD);
+        break;
+    case PARITY_EVEN:
+        usart_parity_config(uart->uart_periph, USART_PM_EVEN);
+        break;
+    default:
+        usart_parity_config(uart->uart_periph, USART_PM_NONE);
+        break;
+    }
 
-    serial1.ops    = &gd32_uart_ops;
-    serial1.config = config;
+    usart_receive_config(uart->uart_periph, USART_RECEIVE_ENABLE);
+    usart_transmit_config(uart->uart_periph, USART_TRANSMIT_ENABLE);
+    usart_enable(uart->uart_periph);
 
-    /* register UART1 device */
-    rt_hw_serial_register(&serial1,
-                          "uart1",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART1 */
+    return RT_EOK;
+}
 
-#ifdef RT_USING_USART2
-    uart = &usart2;
+static rt_err_t gd32_control(struct rt_serial_device *serial, int cmd, void *arg)
+{
+    struct gd32_uart *uart;
 
-    serial2.ops    = &gd32_uart_ops;
-    serial2.config = config;
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct gd32_uart *)serial->parent.user_data;
 
-    /* register UART2 device */
-    rt_hw_serial_register(&serial2,
-                          "uart2",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART2 */
+    switch (cmd)
+    {
+    case RT_DEVICE_CTRL_CLR_INT:
+        /* disable rx irq */
+        NVIC_DisableIRQ(uart->irqn);
+        /* disable interrupt */
+        usart_interrupt_disable(uart->uart_periph, USART_INTEN_RBNEIE);
 
-#ifdef RT_USING_UART3
-    uart = &uart3;
+        break;
+    case RT_DEVICE_CTRL_SET_INT:
+        /* enable rx irq */
+        NVIC_EnableIRQ(uart->irqn);
+        /* enable interrupt */
+        usart_interrupt_enable(uart->uart_periph, USART_INTEN_RBNEIE);
+        break;
+    }
 
-    serial3.ops    = &gd32_uart_ops;
-    serial3.config = config;
+    return RT_EOK;
+}
 
-    /* register UART3 device */
-    rt_hw_serial_register(&serial3,
-                          "uart3",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART3 */
+static int gd32_putc(struct rt_serial_device *serial, char ch)
+{
+    struct gd32_uart *uart;
 
-#ifdef RT_USING_UART4
-    uart = &uart4;
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct gd32_uart *)serial->parent.user_data;
 
-    serial4.ops    = &gd32_uart_ops;
-    serial4.config = config;
+    usart_data_transmit(uart->uart_periph, ch);
+    while((usart_flag_get(uart->uart_periph, USART_FLAG_TC) == RESET));
+    
+    return 1;
+}
 
-    /* register UART4 device */
-    rt_hw_serial_register(&serial4,
-                          "uart4",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART4 */
+static int gd32_getc(struct rt_serial_device *serial)
+{
+    int ch;
+    struct gd32_uart *uart;
 
-#ifdef RT_USING_USART5
-    uart = &usart5;
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct gd32_uart *)serial->parent.user_data;
 
-    serial5.ops    = &gd32_uart_ops;
-    serial5.config = config;
+    ch = -1;
+    if (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET)
+        ch = usart_data_receive(uart->uart_periph);
+    return ch;
+}
 
-    /* register UART5 device */
-    rt_hw_serial_register(&serial5,
-                          "uart5",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART5 */
-    
-#ifdef RT_USING_UART6
-    uart = &uart6;
+/**
+ * Uart common interrupt process. This need add to uart ISR.
+ *
+ * @param serial serial device
+ */
+static void uart_isr(struct rt_serial_device *serial)
+{
+    struct gd32_uart *uart = (struct gd32_uart *) serial->parent.user_data;
 
-    serial6.ops    = &gd32_uart_ops;
-    serial6.config = config;
+    RT_ASSERT(uart != RT_NULL);
 
-    /* register UART6 device */
-    rt_hw_serial_register(&serial6,
-                          "uart6",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART6 */
-    
-#ifdef RT_USING_UART7
-    uart = &uart7;
+    /* UART in mode Receiver -------------------------------------------------*/
+    if ((usart_interrupt_flag_get(uart->uart_periph, USART_INT_RBNEIE) != RESET) &&
+            (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET))
+    {
+        rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
+        /* Clear RXNE interrupt flag */
+        usart_flag_clear(uart->uart_periph, USART_FLAG_RBNE);
+    }
+}
+
+static const struct rt_uart_ops gd32_uart_ops =
+{
+    gd32_configure,
+    gd32_control,
+    gd32_putc,
+    gd32_getc,
+};
 
-    serial7.ops    = &gd32_uart_ops;
-    serial7.config = config;
+int gd32_hw_usart_init(void)
+{
+    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+    int i;
+    static const struct gd32_uart * uarts[] = {
+        #ifdef RT_USING_USART0
+            &usart0,
+        #endif
+        
+        #ifdef RT_USING_USART1
+            &usart1,
+        #endif
+        
+        #ifdef RT_USING_USART2
+            &usart2,
+        #endif
+        
+        #ifdef RT_USING_UART3
+            &uart3,
+        #endif
+        
+        #ifdef RT_USING_UART4
+            &uart4,
+        #endif
+
+        #ifdef RT_USING_USART5
+            &usart5,
+        #endif
+        
+        #ifdef RT_USING_UART6
+            &uart6,
+        #endif
+
+        #ifdef RT_USING_UART7
+            &uart7,
+        #endif
+    };
+    
+    for (i = 0; i < sizeof(uarts) / sizeof(uarts[0]); i++)
+    {
+        uarts[i]->serial->ops    = &gd32_uart_ops;
+        uarts[i]->serial->config = config;
+
+        /* register UART1 device */
+        rt_hw_serial_register(uarts[i]->serial,
+                              uarts[i]->device_name,
+                              RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+                              (void *)uarts[i]);
+    }
 
-    /* register UART7 device */
-    rt_hw_serial_register(&serial7,
-                          "uart7",
-                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
-                          uart);
-#endif /* RT_USING_UART7 */
     return 0;
 }
 INIT_BOARD_EXPORT(gd32_hw_usart_init);
+#endif

bsp/gd32450z-eval/drivers/gd32f450z_eval.h

+/*!
+    \file  gd32f450z_eval.h
+    \brief definitions for GD32F450_EVAL's leds, keys and COM ports hardware resources
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-10-19, V1.0.0, firmware for GD32F450Z
+*/
+
+#ifndef GD32F450Z_EVAL_H
+#define GD32F450Z_EVAL_H
+
+#ifdef cplusplus
+ extern "C" {
+#endif
+
+#include "gd32f4xx.h"
+     
+/* exported types */
+typedef enum 
+{
+    LED1 = 0,
+    LED2 = 1,
+    LED3 = 2
+} led_typedef_enum;
+
+typedef enum 
+{
+    KEY_WAKEUP = 0,
+    KEY_TAMPER = 1,
+    KEY_USER = 2
+} key_typedef_enum;
+
+typedef enum 
+{
+    KEY_MODE_GPIO = 0,
+    KEY_MODE_EXTI = 1
+} keymode_typedef_enum;
+
+/* eval board low layer led */
+#define LEDn                             3U
+
+#define LED1_PIN                         GPIO_PIN_4
+#define LED1_GPIO_PORT                   GPIOD
+#define LED1_GPIO_CLK                    RCU_GPIOD
+  
+#define LED2_PIN                         GPIO_PIN_5
+#define LED2_GPIO_PORT                   GPIOD
+#define LED2_GPIO_CLK                    RCU_GPIOD
+  
+#define LED3_PIN                         GPIO_PIN_3
+#define LED3_GPIO_PORT                   GPIOG
+#define LED3_GPIO_CLK                    RCU_GPIOG
+
+#define COMn                             1U
+#define EVAL_COM1                        USART0
+#define EVAL_COM1_CLK                    RCU_USART0
+
+#define EVAL_COM1_TX_PIN                 GPIO_PIN_9
+#define EVAL_COM1_RX_PIN                 GPIO_PIN_10
+
+#define EVAL_COM_GPIO_PORT               GPIOA
+#define EVAL_COM_GPIO_CLK                RCU_GPIOA
+#define EVAL_COM_AF                      GPIO_AF_7
+
+#define KEYn                             3U
+
+/* tamper push-button */
+#define TAMPER_KEY_PIN                   GPIO_PIN_13
+#define TAMPER_KEY_GPIO_PORT             GPIOC
+#define TAMPER_KEY_GPIO_CLK              RCU_GPIOC
+#define TAMPER_KEY_EXTI_LINE             EXTI_13
+#define TAMPER_KEY_EXTI_PORT_SOURCE      EXTI_SOURCE_GPIOC
+#define TAMPER_KEY_EXTI_PIN_SOURCE       EXTI_SOURCE_PIN13
+#define TAMPER_KEY_EXTI_IRQn             EXTI10_15_IRQn
+
+/* wakeup push-button */
+#define WAKEUP_KEY_PIN                   GPIO_PIN_0
+#define WAKEUP_KEY_GPIO_PORT             GPIOA
+#define WAKEUP_KEY_GPIO_CLK              RCU_GPIOA
+#define WAKEUP_KEY_EXTI_LINE             EXTI_0
+#define WAKEUP_KEY_EXTI_PORT_SOURCE      EXTI_SOURCE_GPIOA
+#define WAKEUP_KEY_EXTI_PIN_SOURCE       EXTI_SOURCE_PIN0
+#define WAKEUP_KEY_EXTI_IRQn             EXTI0_IRQn  
+
+/* user push-button */
+#define USER_KEY_PIN                     GPIO_PIN_14
+#define USER_KEY_GPIO_PORT               GPIOB
+#define USER_KEY_GPIO_CLK                RCU_GPIOB
+#define USER_KEY_EXTI_LINE               EXTI_14
+#define USER_KEY_EXTI_PORT_SOURCE        EXTI_SOURCE_GPIOB
+#define USER_KEY_EXTI_PIN_SOURCE         EXTI_SOURCE_PIN14
+#define USER_KEY_EXTI_IRQn               EXTI10_15_IRQn
+
+/* function declarations */
+/* configures led GPIO */
+void gd_eval_led_init(led_typedef_enum lednum);
+/* turn on selected led */
+void gd_eval_led_on(led_typedef_enum lednum);
+/* turn off selected led */
+void gd_eval_led_off(led_typedef_enum lednum);
+/* toggle the selected led */
+void gd_eval_led_toggle(led_typedef_enum lednum);
+/* configure key */
+void gd_eval_key_init(key_typedef_enum key_num, keymode_typedef_enum key_mode);
+/* return the selected button state */
+uint8_t gd_eval_key_state_get(key_typedef_enum button);
+/* configure COM port */
+void gd_eval_com_init(uint32_t com);
+
+
+#ifdef cplusplus
+}
+#endif
+
+#endif /* GD32F450Z_EVAL_H */

bsp/gd32450z-eval/drivers/gd32f450z_lcd_eval.c

+/*!
+    \file  gd32f450z_lcd_eval.c
+    \brief firmware functions to manage LCD
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-10-19, V1.0.0, firmware for GD32F450Z
+*/
+
+#include "gd32f450z_lcd_eval.h"
+
+static void delay(uint32_t time);
+
+/*!
+    \brief      enable the LCD
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void lcd_enable(void)
+{
+    gpio_bit_set(LCD_CS_GPIO_PORT, LCD_CS_PIN);
+}
+
+/*!
+    \brief      disable the LCD
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void lcd_disable(void)
+{
+    gpio_bit_reset(LCD_CS_GPIO_PORT, LCD_CS_PIN);
+}
+
+/*!
+    \brief      configure the LCD control line
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void lcd_ctrl_line_config(void)
+{
+    /* enable GPIOs clock*/
+    rcu_periph_clock_enable(LCD_CS_GPIO_CLK);
+    rcu_periph_clock_enable(LCD_RS_GPIO_CLK);
+
+    /* configure LCD_CS_GPIO_PORT(PD11) and LCD_RS_GPIO_PORT(PE3) */
+    gpio_mode_set(LCD_CS_GPIO_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LCD_CS_PIN);
+    gpio_output_options_set(LCD_CS_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,LCD_CS_PIN);
+
+    gpio_mode_set(LCD_RS_GPIO_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LCD_RS_PIN);
+    gpio_output_options_set(LCD_RS_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,LCD_RS_PIN);
+
+    /* set the chip select pin */
+    lcd_ctrl_line_set(LCD_CS_GPIO_PORT, LCD_CS_PIN);
+}
+
+/*!
+    \brief      set the LCD control line
+    \param[in]  gpiox: control line GPIO
+      \arg        LCD_CS_GPIO_PORT: LCD chip select GPIO
+      \arg        LCD_RS_GPIO_PORT: LCD register/RAM selection GPIO
+    \param[in]  gpiopin: control line pin
+      \arg        LCD_CS_PIN: LCD chip select pin
+      \arg        LCD_RS_PIN: LCD register/RAM selection pin
+    \param[out] none
+    \retval     none
+*/
+void lcd_ctrl_line_set(uint32_t gpiox, uint16_t gpiopin)
+{
+    gpio_bit_set(gpiox, gpiopin);
+}
+
+/*!
+    \brief      reset the LCD control line
+    \param[in]  gpiox: control line GPIO
+      \arg        LCD_CS_GPIO_PORT: LCD chip select GPIO
+      \arg        LCD_RS_GPIO_PORT: LCD register/RAM selection GPIO
+    \param[in]  gpiopin: control line pin
+      \arg        LCD_CS_PIN: LCD chip select pin
+      \arg        LCD_RS_PIN: LCD register/RAM selection pin
+    \param[out] none
+    \retval     none
+*/
+void lcd_ctrl_line_reset(uint32_t gpiox, uint16_t gpiopin)
+{
+    gpio_bit_reset(gpiox, gpiopin);
+}
+
+/*!
+    \brief      configure the LCD SPI and it's GPIOs
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void lcd_spi_config(void)
+{
+    spi_parameter_struct spi_init_struct;
+    rcu_periph_clock_enable(RCU_GPIOG);
+    rcu_periph_clock_enable(RCU_SPI5);
+
+    /* configure SPI5_SCK(PG13) and SPI5_MOSI(PG14) */
+    gpio_af_set(GPIOG,GPIO_AF_5,GPIO_PIN_13);
+    gpio_af_set(GPIOG,GPIO_AF_5,GPIO_PIN_14);
+    gpio_mode_set(GPIOG, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_13|GPIO_PIN_14);
+    gpio_output_options_set(GPIOG, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_13|GPIO_PIN_14);
+    spi_i2s_deinit(SPI5);
+    
+    if(0 == (SPI_CTL0(LCD_SPI) & SPI_CTL0_SPIEN)){    
+        spi_init_struct.trans_mode           = SPI_TRANSMODE_FULLDUPLEX;
+        spi_init_struct.device_mode          = SPI_MASTER;
+        spi_init_struct.frame_size           = SPI_FRAMESIZE_8BIT;
+        spi_init_struct.clock_polarity_phase = SPI_CK_PL_LOW_PH_1EDGE;
+        spi_init_struct.nss                  = SPI_NSS_SOFT;
+        spi_init_struct.prescale             = SPI_PSC_16;
+        spi_init_struct.endian               = SPI_ENDIAN_MSB;
+        spi_init(LCD_SPI, &spi_init_struct);
+        spi_enable(LCD_SPI);
+    }
+}
+
+/*!
+    \brief      write command to select LCD register
+    \param[in]  lcd_register: the address of the selected register
+    \param[out] none
+    \retval     none
+*/
+void lcd_command_write(uint8_t lcd_register)
+{
+    /* reset LCD_RS to send command */
+    lcd_ctrl_line_reset(LCD_RS_GPIO_PORT, LCD_RS_PIN);
+
+    /* reset LCD control line and send command */
+    lcd_disable();
+    while(RESET == spi_i2s_flag_get(LCD_SPI, SPI_FLAG_TBE)) ;
+    spi_i2s_data_transmit(LCD_SPI, lcd_register);
+
+    /* wait until a data is sent */
+    while(RESET != spi_i2s_flag_get(LCD_SPI, SPI_FLAG_TRANS));
+
+    lcd_enable();
+}
+
+/*!
+    \brief      write data to select LCD register
+    \param[in]  value: the value that will be written to the selected register
+    \param[out] none
+    \retval     none
+*/
+void lcd_data_write(uint8_t value)
+{
+    /* set LCD_RS to send data */
+    lcd_ctrl_line_set(LCD_RS_GPIO_PORT, LCD_RS_PIN);
+
+    /* reset LCD control line and send data */  
+    lcd_disable();
+    while(RESET == spi_i2s_flag_get(LCD_SPI, SPI_FLAG_TBE)) ;
+
+    spi_i2s_data_transmit(LCD_SPI, value);
+
+    /* wait until a data is sent */
+    while(RESET != spi_i2s_flag_get(LCD_SPI, SPI_FLAG_TRANS)) ;
+
+    lcd_enable();
+}
+
+/*!
+    \brief      configure the LCD based on the power on sequence
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void lcd_power_on(void)
+{
+    lcd_command_write(0x11);
+    delay(120);
+    lcd_command_write(0x36);
+    lcd_data_write(0x48);
+    lcd_command_write(0x3A);
+    lcd_data_write(0x55);
+    lcd_command_write(0xB4);
+    lcd_data_write(0x11);
+    lcd_command_write(0xB3);
+    lcd_data_write(0x00);
+    lcd_data_write(0x00);
+    lcd_data_write(0x00);
+    lcd_data_write(0x20);
+    lcd_command_write(0xC0);
+    lcd_data_write(0x10);
+    lcd_data_write(0x3B);
+    lcd_data_write(0x00);
+    lcd_data_write(0x12);
+    lcd_data_write(0x01);
+    lcd_command_write(0xC5);
+    lcd_data_write(0x07);
+    lcd_command_write(0xC8);
+    lcd_data_write(0x01 );
+    lcd_data_write(0x36);
+    lcd_data_write(0x00);
+    lcd_data_write(0x02);
+    lcd_data_write(0x00);
+    lcd_data_write(0x1C);
+    lcd_data_write(0x77);
+    lcd_data_write(0x14);
+    lcd_data_write(0x67);
+    lcd_data_write(0x20);
+    lcd_data_write(0x0E);
+    lcd_data_write(0x00);
+    lcd_command_write(0xD0);
+    lcd_data_write(0x44);
+    lcd_data_write(0x41 );
+    lcd_data_write(0x08);
+    lcd_data_write(0xC2);
+    lcd_command_write(0xD1);
+    lcd_data_write(0x50);
+    lcd_data_write(0x11);
+    lcd_command_write(0xD2);
+    lcd_data_write(0x05);
+    lcd_data_write(0x12);
+
+    lcd_command_write(0xC6);
+    lcd_data_write(0x83);
+    lcd_command_write(0x29);
+    delay(5);
+}
+/**
+  * @brief  New Version 3.5" TFT RGB Hardware needs add this initilize funtion  ---By xufei 2016.10.21
+						Modified by GAO HAIYANG, test pass, 17, Nov, 2016
+  * @param  None
+  * @retval None
+  */
+void lcd_power_on3(void)
+{
+		lcd_command_write(0xC0);//power control1 command/w/
+		lcd_data_write(0x0A); // P-Gamma level//4.1875v
+		lcd_data_write(0x0A); // N-Gamma level
+		lcd_command_write(0xC1); // BT & VC Setting//power contrl2 command/w/
+		lcd_data_write(0x41);
+		lcd_data_write(0x07); // VCI1 = 2.5V
+		lcd_command_write(0xC2); // DC1.DC0 Setting//power control3 for normal mode
+		lcd_data_write(0x33);
+		lcd_command_write(0xC5);//VCOM control
+		lcd_data_write(0x00);  //NV memory is not programmed
+		lcd_data_write(0x42); // VCM Setting
+		lcd_data_write(0x80); // VCM Register Enable
+		lcd_command_write(0xB0);      //interface mode control //Polarity Setting
+		lcd_data_write(0x02);
+		lcd_command_write(0xB1);//frame rate control for normal mode
+		lcd_data_write(0xB0); // Frame Rate Setting//70 frame per second//no division for internal clocks
+		lcd_data_write(0x11);//17 clocks per line period for idle mode at cpu interface
+		lcd_command_write(0xB4);//dispaly inversion control
+		lcd_data_write(0x00); // disable Z-inversion , column inversion
+		lcd_command_write(0xB6); //display function control// RM.DM Setting
+		lcd_data_write(0x70);////0xF0
+		lcd_data_write(0x02);//direction of gate scan: G1->G480 one by one, source scan: S1->S960, scan cycle if interval scan in non-display area
+		lcd_data_write(0x3B); // number of lines to drive LCD: 8*(0x3C) = 480
+		lcd_command_write(0xB7); // Entry Mode
+		lcd_data_write(0x07); // disable low voltage detection, normal display, 
+		lcd_command_write(0xF0); // Enter ENG , must be set before gamma setting
+		lcd_data_write(0x36);
+		lcd_data_write(0xA5);
+		lcd_data_write(0xD3);
+		lcd_command_write(0xE5); // Open gamma function , must be set before gamma setting
+		lcd_data_write(0x80);
+		lcd_command_write(0xE5); // Page 1
+		lcd_data_write(0x01);
+		lcd_command_write(0XB3); // WEMODE=0(Page 1) , pixels over window setting will be ignored.//frame rate control in partial mode/full colors
+		lcd_data_write(0x00);
+		lcd_command_write(0xE5); // Page 0
+		lcd_data_write(0x00);
+		lcd_command_write(0xF0); // Exit ENG , must be set before gamma setting
+		lcd_data_write(0x36);
+		lcd_data_write(0xA5);
+		lcd_data_write(0x53);
+		lcd_command_write(0xE0); // Gamma setting
+		//y fine adjustment register for positive polarity
+		lcd_data_write(0x00);
+		lcd_data_write(0x35);
+		lcd_data_write(0x33);
+		//y gradient adjustment register for positive polarity
+		lcd_data_write(0x00);
+		//y amplitude adjustment register for positive polarity
+		lcd_data_write(0x00);
+		lcd_data_write(0x00);
+		//y fine adjustment register for negative polarity
+		lcd_data_write(0x00);
+		lcd_data_write(0x35);
+		lcd_data_write(0x33);
+		//y gradient adjustment register for negative polarity
+		lcd_data_write(0x00);
+		//y amplitude adjustment register for negative polarity
+		lcd_data_write(0x00);
+		lcd_data_write(0x00);
+		lcd_command_write(0x36); // memory data access control //
+		lcd_data_write(0x48);//
+		lcd_command_write(0x3A); // interface pixel format setting
+		lcd_data_write(0x55);//16-bits
+		lcd_command_write(0x11); // Exit sleep mode
+		lcd_command_write(0x29); // Display on 
+
+		delay(10);
+}
+/*!
+    \brief      insert a delay time
+    \param[in]  time: delay time length
+    \param[out] none
+    \retval     none
+*/
+static void delay(uint32_t time)
+{
+    uint32_t timecount = time;
+    while(0 != timecount--);
+}

bsp/gd32450z-eval/drivers/gd32f450z_lcd_eval.h

+/*!
+    \file  gd32f450z_lcd_eval.h
+    \brief definitions for GD32F450Z_EVAL's LCD
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-10-19, V1.0.0, firmware for GD32F450Z
+*/
+
+#ifndef GD32F450Z_LCD_EVAL_H
+#define GD32F450Z_LCD_EVAL_H
+
+#include "gd32f450z_eval.h"
+   
+#define LCD_CS_PIN                   GPIO_PIN_11
+#define LCD_CS_GPIO_PORT             GPIOD
+#define LCD_CS_GPIO_CLK              RCU_GPIOD 
+
+#define LCD_RS_PIN                   GPIO_PIN_3
+#define LCD_RS_GPIO_PORT             GPIOE
+#define LCD_RS_GPIO_CLK              RCU_GPIOE
+
+#define LCD_SPI_SCK_PIN              GPIO_PIN_13
+#define LCD_SPI_SCK_GPIO_PORT        GPIOG
+#define LCD_SPI_SCK_GPIO_CLK         RCU_GPIOG
+
+#define LCD_SPI_MOSI_PIN             GPIO_PIN_14
+#define LCD_SPI_MOSI_GPIO_PORT       GPIOG
+#define LCD_SPI_MOSI_GPIO_CLK        RCU_GPIOG 
+
+#define LCD_SPI                      SPI5
+#define LCD_SPI_CLK                  RCU_SPI5
+
+/* enable the LCD */
+void lcd_enable(void);
+/* disable the LCD */
+void lcd_disable(void);
+/* configure the LCD control line */
+void lcd_ctrl_line_config(void);
+/* set the LCD control line */
+void lcd_ctrl_line_set(uint32_t gpiox, uint16_t gpiopin);
+/* reset the LCD control line */
+void lcd_ctrl_line_reset(uint32_t gpiox, uint16_t gpiopin);
+/* configure the LCD SPI and it's GPIOs */
+void lcd_spi_config(void);
+/* write command to select LCD register */
+void lcd_command_write(uint8_t lcd_register);
+/* write data to select LCD register */
+void lcd_data_write(uint8_t value);
+/* configure the LCD based on the power on sequence */
+void lcd_power_on(void);
+void lcd_power_on3(void);
+#endif /* GD32F450Z_LCD_EVAL_H */ 

bsp/gd32450z-eval/gd32_rom.icf

@@ -29,6 +29,9 @@ define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };
 initialize by copy { readwrite };
 do not initialize  { section .noinit };
 
+keep { section FSymTab };
+keep { section VSymTab };
+keep { section .rti_fn* };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
 place in ROM_region   { readonly };

bsp/gd32450z-eval/project.ewp

@@ -32,11 +32,11 @@
                 </option>
                 <option>
                     <name>Input description</name>
-                    <state>Automatic choice of formatter, without multibyte support.</state>
+                    <state>Automatic choice of formatter.</state>
                 </option>
                 <option>
                     <name>Output description</name>
-                    <state>Automatic choice of formatter, without multibyte support.</state>
+                    <state>Automatic choice of formatter.</state>
                 </option>
                 <option>
                     <name>GOutputBinary</name>
@@ -342,6 +342,7 @@
                     <state>$PROJ_DIR$\..\..\..\git\rt-thread\libcpu\arm\cortex-m4</state>
                     <state>$PROJ_DIR$\..\..\..\git\rt-thread\include</state>
                     <state>$PROJ_DIR$\drivers</state>
+                    <state>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\include</state>
                     <state>$PROJ_DIR$\Libraries\GD32F4xx_standard_peripheral\Include</state>
                     <state>$PROJ_DIR$\.</state>
                     <state>$PROJ_DIR$\applications</state>
@@ -974,7 +975,7 @@
                 </option>
                 <option>
                     <name>IlinkLogCallGraph</name>
-                    <state>1</state>
+                    <state>0</state>
                 </option>
                 <option>
                     <name>IlinkIcfFile_AltDefault</name>
@@ -1369,6 +1370,7 @@
                     <state>$PROJ_DIR$\..\..\..\git\rt-thread\libcpu\arm\cortex-m4</state>
                     <state>$PROJ_DIR$\..\..\..\git\rt-thread\include</state>
                     <state>$PROJ_DIR$\drivers</state>
+                    <state>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\include</state>
                     <state>$PROJ_DIR$\Libraries\GD32F4xx_standard_peripheral\Include</state>
                     <state>$PROJ_DIR$\.</state>
                     <state>$PROJ_DIR$\applications</state>
@@ -2061,6 +2063,18 @@
         <file>
             <name>$PROJ_DIR$\applications\application.c</name>
         </file>
+        <file>
+            <name>$PROJ_DIR$\applications\benchmark.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\applications\device_test.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\applications\mem_test.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\applications\rtgui_demo.c</name>
+        </file>
         <file>
             <name>$PROJ_DIR$\applications\startup.c</name>
         </file>
@@ -2127,11 +2141,17 @@
         <file>
             <name>$PROJ_DIR$\drivers\board.c</name>
         </file>
+        <file>
+            <name>$PROJ_DIR$\drivers\drv_exmc_sdram.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\drivers\drv_lcd.c</name>
+        </file>
         <file>
             <name>$PROJ_DIR$\drivers\drv_usart.c</name>
-            <excluded>
-                <configuration>Debug</configuration>
-            </excluded>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\drivers\gd32f450z_lcd_eval.c</name>
         </file>
     </group>
     <group>
@@ -2272,6 +2292,129 @@
             <name>$PROJ_DIR$\Libraries\CMSIS\GD\GD32F4xx\Source\system_gd32f4xx.c</name>
         </file>
     </group>
+    <group>
+        <name>GUIEngine</name>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\asc12font.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\asc16font.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\blit.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\box.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\color.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\container.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc_blend.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc_buffer.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc_client.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc_hw.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc_rotozoom.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\dc_trans.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\filerw.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\font.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\font_bmp.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\font_fnt.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\font_freetype.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\font_hz_bmp.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\font_hz_file.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\hz12font.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\hz16font.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\image.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\image_bmp.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\image_hdc.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\image_jpg.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\image_png.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\image_xpm.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\matrix.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\mouse.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\region.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\rtgui_app.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\rtgui_driver.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\rtgui_object.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\rtgui_system.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\server.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\title.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\topwin.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\widget.c</name>
+        </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\..\git\rt-thread\components\gui\src\window.c</name>
+        </file>
+    </group>
     <group>
         <name>Kernel</name>
         <file>

bsp/gd32450z-eval/project.uvproj

 <?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 <Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_proj.xsd">
+
   <SchemaVersion>1.1</SchemaVersion>
+
   <Header>### uVision Project, (C) Keil Software</Header>
+
   <Targets>
     <Target>
       <TargetName>rt-thread_gd32f4xx</TargetName>
@@ -12,26 +15,26 @@
           <Device>GD32F450ZK</Device>
           <Vendor>GigaDevice</Vendor>
           <Cpu>IRAM(0x20000000-0x2002FFFF) IRAM2(0x10000000-0x1000FFFF) IROM(0x08000000-0x082FFFFF) CLOCK(16000000) CPUTYPE("Cortex-M4") FPU2</Cpu>
-          <FlashUtilSpec />
+          <FlashUtilSpec></FlashUtilSpec>
           <StartupFile>"Startup\GD\GD32F4xx\startup_gd32f4xx.s" ("GD32F4xx Startup Code")</StartupFile>
           <FlashDriverDll>UL2CM3(-O207 -S0 -C0 -FO7 -FD20000000 -FC800 -FN1 -FF0GD32F4xx_3MB -FS08000000 -FL0300000)</FlashDriverDll>
           <DeviceId>0</DeviceId>
           <RegisterFile>gd32f4xx0.h</RegisterFile>
-          <MemoryEnv />
-          <Cmp />
-          <Asm />
-          <Linker />
-          <OHString />
-          <InfinionOptionDll />
-          <SLE66CMisc />
-          <SLE66AMisc />
-          <SLE66LinkerMisc />
+          <MemoryEnv></MemoryEnv>
+          <Cmp></Cmp>
+          <Asm></Asm>
+          <Linker></Linker>
+          <OHString></OHString>
+          <InfinionOptionDll></InfinionOptionDll>
+          <SLE66CMisc></SLE66CMisc>
+          <SLE66AMisc></SLE66AMisc>
+          <SLE66LinkerMisc></SLE66LinkerMisc>
           <SFDFile>SFD\GD\GD32F4xx\GD32F4xx.SFR</SFDFile>
           <bCustSvd>0</bCustSvd>
           <UseEnv>0</UseEnv>
-          <BinPath />
-          <IncludePath />
-          <LibPath />
+          <BinPath></BinPath>
+          <IncludePath></IncludePath>
+          <LibPath></LibPath>
           <RegisterFilePath>GD\GD32F4xx\</RegisterFilePath>
           <DBRegisterFilePath>GD\GD32F4xx\</DBRegisterFilePath>
           <TargetStatus>
@@ -55,8 +58,8 @@
           <BeforeCompile>
             <RunUserProg1>0</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name />
-            <UserProg2Name />
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
             <nStopU1X>0</nStopU1X>
@@ -65,21 +68,21 @@
           <BeforeMake>
             <RunUserProg1>0</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name />
-            <UserProg2Name />
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
           </BeforeMake>
           <AfterMake>
             <RunUserProg1>0</RunUserProg1>
             <RunUserProg2>0</RunUserProg2>
-            <UserProg1Name />
-            <UserProg2Name />
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
             <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
           </AfterMake>
           <SelectedForBatchBuild>0</SelectedForBatchBuild>
-          <SVCSIdString />
+          <SVCSIdString></SVCSIdString>
         </TargetCommonOption>
         <CommonProperty>
           <UseCPPCompiler>0</UseCPPCompiler>
@@ -93,8 +96,8 @@
           <AssembleAssemblyFile>0</AssembleAssemblyFile>
           <PublicsOnly>0</PublicsOnly>
           <StopOnExitCode>3</StopOnExitCode>
-          <CustomArgument />
-          <IncludeLibraryModules />
+          <CustomArgument></CustomArgument>
+          <IncludeLibraryModules></IncludeLibraryModules>
           <ComprImg>1</ComprImg>
         </CommonProperty>
         <DllOption>
@@ -103,7 +106,7 @@
           <SimDlgDll>DCM.DLL</SimDlgDll>
           <SimDlgDllArguments>-pCM3</SimDlgDllArguments>
           <TargetDllName>SARMCM3.DLL</TargetDllName>
-          <TargetDllArguments />
+          <TargetDllArguments></TargetDllArguments>
           <TargetDlgDll>TCM.DLL</TargetDlgDll>
           <TargetDlgDllArguments>-pCM3</TargetDlgDllArguments>
         </DllOption>
@@ -141,21 +144,21 @@
             <UsePdscDebugDescription>0</UsePdscDebugDescription>
           </Target>
           <RunDebugAfterBuild>0</RunDebugAfterBuild>
-          <TargetSelection>12</TargetSelection>
+          <TargetSelection>6</TargetSelection>
           <SimDlls>
-            <CpuDll />
-            <CpuDllArguments />
-            <PeripheralDll />
-            <PeripheralDllArguments />
-            <InitializationFile />
+            <CpuDll></CpuDll>
+            <CpuDllArguments></CpuDllArguments>
+            <PeripheralDll></PeripheralDll>
+            <PeripheralDllArguments></PeripheralDllArguments>
+            <InitializationFile></InitializationFile>
           </SimDlls>
           <TargetDlls>
-            <CpuDll />
-            <CpuDllArguments />
-            <PeripheralDll />
-            <PeripheralDllArguments />
-            <InitializationFile />
-            <Driver>BIN\CMSIS_AGDI.dll</Driver>
+            <CpuDll></CpuDll>
+            <CpuDllArguments></CpuDllArguments>
+            <PeripheralDll></PeripheralDll>
+            <PeripheralDllArguments></PeripheralDllArguments>
+            <InitializationFile></InitializationFile>
+            <Driver>Segger\JL2CM3.dll</Driver>
           </TargetDlls>
         </DebugOption>
         <Utilities>
@@ -170,10 +173,10 @@
           <bUseTDR>1</bUseTDR>
           <Flash2>BIN\UL2CM3.DLL</Flash2>
           <Flash3>"" ()</Flash3>
-          <Flash4 />
-          <pFcarmOut />
-          <pFcarmGrp />
-          <pFcArmRoot />
+          <Flash4></Flash4>
+          <pFcarmOut></pFcarmOut>
+          <pFcarmGrp></pFcarmGrp>
+          <pFcArmRoot></pFcArmRoot>
           <FcArmLst>0</FcArmLst>
         </Utilities>
         <TargetArmAds>
@@ -206,7 +209,7 @@
             <RvctClst>0</RvctClst>
             <GenPPlst>0</GenPPlst>
             <AdsCpuType>"Cortex-M4"</AdsCpuType>
-            <RvctDeviceName />
+            <RvctDeviceName></RvctDeviceName>
             <mOS>0</mOS>
             <uocRom>0</uocRom>
             <uocRam>0</uocRam>
@@ -337,7 +340,7 @@
                 <Size>0x10000</Size>
               </OCR_RVCT10>
             </OnChipMemories>
-            <RvctStartVector />
+            <RvctStartVector></RvctStartVector>
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
@@ -356,9 +359,9 @@
             <uC99>0</uC99>
             <useXO>0</useXO>
             <VariousControls>
-              <MiscControls />
+              <MiscControls></MiscControls>
               <Define>GD32F4XX, USE_STDPERIPH_DRIVER</Define>
-              <Undefine />
+              <Undefine></Undefine>
               <IncludePath>applications;.;drivers;Libraries\CMSIS\GD\GD32F4xx\Include;Libraries\CMSIS;Libraries\GD32F4xx_standard_peripheral\Include;..\..\..\git\rt-thread\include;..\..\..\git\rt-thread\libcpu\arm\cortex-m4;..\..\..\git\rt-thread\libcpu\arm\common;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\spi;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\finsh</IncludePath>
             </VariousControls>
           </Cads>
@@ -373,10 +376,10 @@
             <uSurpInc>0</uSurpInc>
             <useXO>0</useXO>
             <VariousControls>
-              <MiscControls />
-              <Define />
-              <Undefine />
-              <IncludePath />
+              <MiscControls></MiscControls>
+              <Define></Define>
+              <Undefine></Undefine>
+              <IncludePath></IncludePath>
             </VariousControls>
           </Aads>
           <LDads>
@@ -388,13 +391,13 @@
             <useFile>0</useFile>
             <TextAddressRange>0x08000000</TextAddressRange>
             <DataAddressRange>0x20000000</DataAddressRange>
-            <pXoBase />
-            <ScatterFile />
-            <IncludeLibs />
-            <IncludeLibsPath />
+            <pXoBase></pXoBase>
+            <ScatterFile></ScatterFile>
+            <IncludeLibs></IncludeLibs>
+            <IncludeLibsPath></IncludeLibsPath>
             <Misc> --keep *.o(RTMSymTab)  --keep *.o(.rti_fn.*)   --keep *.o(FSymTab) --keep *.o(VSymTab) </Misc>
-            <LinkerInputFile />
-            <DisabledWarnings />
+            <LinkerInputFile></LinkerInputFile>
+            <DisabledWarnings></DisabledWarnings>
           </LDads>
         </TargetArmAds>
       </TargetOption>
@@ -407,8 +410,6 @@
               <FileType>1</FileType>
               <FilePath>applications\application.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>startup.c</FileName>
               <FileType>1</FileType>
@@ -424,12 +425,53 @@
               <FileType>1</FileType>
               <FilePath>drivers\board.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>drv_usart.c</FileName>
               <FileType>1</FileType>
               <FilePath>drivers\drv_usart.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>0</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <useXO>2</useXO>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
             </File>
           </Files>
         </Group>
@@ -441,211 +483,151 @@
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_adc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_can.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_can.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_crc.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_crc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_ctc.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_ctc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_dac.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_dac.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_dbg.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_dbg.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_dci.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_dci.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_dma.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_dma.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_enet.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_enet.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_exmc.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_exmc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_exti.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_exti.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_fmc.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_fmc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_fwdgt.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_fwdgt.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_gpio.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_gpio.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_i2c.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_i2c.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_ipa.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_ipa.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_iref.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_iref.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_misc.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_misc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_pmu.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_pmu.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_rcu.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_rcu.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_rtc.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_rtc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_sdio.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_sdio.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_spi.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_spi.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_syscfg.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_syscfg.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_timer.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_timer.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_tli.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_tli.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_trng.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_trng.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_usart.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_usart.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>gd32f4xx_wwdgt.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\GD32F4xx_standard_peripheral\Source\gd32f4xx_wwdgt.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>system_gd32f4xx.c</FileName>
               <FileType>1</FileType>
               <FilePath>Libraries\CMSIS\GD\GD32F4xx\Source\system_gd32f4xx.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>startup_gd32f4xx.s</FileName>
               <FileType>2</FileType>
@@ -661,99 +643,71 @@
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\clock.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>components.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\components.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>device.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\device.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>idle.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\idle.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>ipc.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\ipc.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>irq.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\irq.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>kservice.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\kservice.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>mem.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\mem.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>memheap.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\memheap.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>mempool.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\mempool.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>module.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\module.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>object.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\object.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>scheduler.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\scheduler.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>thread.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\src\thread.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>timer.c</FileName>
               <FileType>1</FileType>
@@ -769,29 +723,21 @@
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\libcpu\arm\cortex-m4\cpuport.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>context_rvds.S</FileName>
               <FileType>2</FileType>
               <FilePath>..\..\..\git\rt-thread\libcpu\arm\cortex-m4\context_rvds.S</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>backtrace.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\libcpu\arm\common\backtrace.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>div0.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\libcpu\arm\common\div0.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>showmem.c</FileName>
               <FileType>1</FileType>
@@ -807,78 +753,56 @@
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\i2c\i2c_core.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>i2c_dev.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\i2c\i2c_dev.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>i2c-bit-ops.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\i2c\i2c-bit-ops.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>serial.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\serial\serial.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>spi_core.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\spi\spi_core.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>spi_dev.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\spi\spi_dev.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>completion.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\src\completion.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>dataqueue.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\src\dataqueue.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>pipe.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\src\pipe.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>portal.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\src\portal.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>ringbuffer.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\drivers\src\ringbuffer.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>workqueue.c</FileName>
               <FileType>1</FileType>
@@ -894,85 +818,61 @@
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\shell.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>symbol.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\symbol.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>cmd.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\cmd.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_compiler.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_compiler.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_error.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_error.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_heap.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_heap.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_init.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_init.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_node.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_node.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_ops.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_ops.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_parser.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_parser.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_var.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_var.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_vm.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\..\git\rt-thread\components\finsh\finsh_vm.c</FilePath>
             </File>
-          </Files>
-          <Files>
             <File>
               <FileName>finsh_token.c</FileName>
               <FileType>1</FileType>
@@ -983,4 +883,5 @@
       </Groups>
     </Target>
   </Targets>
+
 </Project>

bsp/gd32450z-eval/project.uvprojx

@@ -10,7 +10,6 @@
       <TargetName>rt-thread_gd32f4xx</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>5060422::V5.06 update 4 (build 422)::ARMCC</pCCUsed>
       <TargetOption>
         <TargetCommonOption>
           <Device>GD32F450ZK</Device>
@@ -53,7 +52,7 @@
           <CreateLib>0</CreateLib>
           <CreateHexFile>0</CreateHexFile>
           <DebugInformation>1</DebugInformation>
-          <BrowseInformation>1</BrowseInformation>
+          <BrowseInformation>0</BrowseInformation>
           <ListingPath>.\build\</ListingPath>
           <HexFormatSelection>1</HexFormatSelection>
           <Merge32K>0</Merge32K>
@@ -333,9 +332,9 @@
             <v6Rtti>0</v6Rtti>
             <VariousControls>
               <MiscControls></MiscControls>
-              <Define>GD32F4XX, USE_STDPERIPH_DRIVER,GD32F450</Define>
+              <Define>GD32F4XX, USE_STDPERIPH_DRIVER</Define>
               <Undefine></Undefine>
-              <IncludePath>applications;.;drivers;Libraries\CMSIS;Libraries\CMSIS\GD\GD32F4xx\Include;Libraries\GD32F4xx_standard_peripheral\Include;..\..\..\git\rt-thread\include;..\..\..\git\rt-thread\libcpu\arm\cortex-m4;..\..\..\git\rt-thread\libcpu\arm\common;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\spi;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\finsh</IncludePath>
+              <IncludePath>applications;.;drivers;Libraries\CMSIS\GD\GD32F4xx\Include;Libraries\CMSIS;Libraries\GD32F4xx_standard_peripheral\Include;..\..\..\git\rt-thread\include;..\..\..\git\rt-thread\libcpu\arm\cortex-m4;..\..\..\git\rt-thread\libcpu\arm\common;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\spi;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\drivers\include;..\..\..\git\rt-thread\components\finsh;..\..\..\git\rt-thread\components\gui\include</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -384,6 +383,21 @@
               <FileType>1</FileType>
               <FilePath>applications\application.c</FilePath>
             </File>
+            <File>
+              <FileName>benchmark.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>applications\benchmark.c</FilePath>
+            </File>
+            <File>
+              <FileName>device_test.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>applications\device_test.c</FilePath>
+            </File>
+            <File>
+              <FileName>mem_test.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>applications\mem_test.c</FilePath>
+            </File>
             <File>
               <FileName>startup.c</FileName>
               <FileType>1</FileType>
@@ -399,60 +413,25 @@
               <FileType>1</FileType>
               <FilePath>drivers\board.c</FilePath>
             </File>
+            <File>
+              <FileName>drv_exmc_sdram.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>drivers\drv_exmc_sdram.c</FilePath>
+            </File>
             <File>
               <FileName>drv_usart.c</FileName>
               <FileType>1</FileType>
               <FilePath>drivers\drv_usart.c</FilePath>
-              <FileOption>
-                <CommonProperty>
-                  <UseCPPCompiler>2</UseCPPCompiler>
-                  <RVCTCodeConst>0</RVCTCodeConst>
-                  <RVCTZI>0</RVCTZI>
-                  <RVCTOtherData>0</RVCTOtherData>
-                  <ModuleSelection>0</ModuleSelection>
-                  <IncludeInBuild>0</IncludeInBuild>
-                  <AlwaysBuild>2</AlwaysBuild>
-                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
-                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
-                  <PublicsOnly>2</PublicsOnly>
-                  <StopOnExitCode>11</StopOnExitCode>
-                  <CustomArgument></CustomArgument>
-                  <IncludeLibraryModules></IncludeLibraryModules>
-                  <ComprImg>1</ComprImg>
-                </CommonProperty>
-                <FileArmAds>
-                  <Cads>
-                    <interw>2</interw>
-                    <Optim>0</Optim>
-                    <oTime>2</oTime>
-                    <SplitLS>2</SplitLS>
-                    <OneElfS>2</OneElfS>
-                    <Strict>2</Strict>
-                    <EnumInt>2</EnumInt>
-                    <PlainCh>2</PlainCh>
-                    <Ropi>2</Ropi>
-                    <Rwpi>2</Rwpi>
-                    <wLevel>0</wLevel>
-                    <uThumb>2</uThumb>
-                    <uSurpInc>2</uSurpInc>
-                    <uC99>2</uC99>
-                    <useXO>2</useXO>
-                    <v6Lang>0</v6Lang>
-                    <v6LangP>0</v6LangP>
-                    <vShortEn>2</vShortEn>
-                    <vShortWch>2</vShortWch>
-                    <v6Lto>2</v6Lto>
-                    <v6WtE>2</v6WtE>
-                    <v6Rtti>2</v6Rtti>
-                    <VariousControls>
-                      <MiscControls></MiscControls>
-                      <Define></Define>
-                      <Undefine></Undefine>
-                      <IncludePath></IncludePath>
-                    </VariousControls>
-                  </Cads>
-                </FileArmAds>
-              </FileOption>
+            </File>
+            <File>
+              <FileName>gd32f450z_lcd_eval.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>drivers\gd32f450z_lcd_eval.c</FilePath>
+            </File>
+            <File>
+              <FileName>drv_lcd.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>drivers\drv_lcd.c</FilePath>
             </File>
           </Files>
         </Group>
@@ -861,13 +840,228 @@
             </File>
           </Files>
         </Group>
+        <Group>
+          <GroupName>GUIEngine</GroupName>
+          <Files>
+            <File>
+              <FileName>asc12font.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\asc12font.c</FilePath>
+            </File>
+            <File>
+              <FileName>asc16font.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\asc16font.c</FilePath>
+            </File>
+            <File>
+              <FileName>blit.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\blit.c</FilePath>
+            </File>
+            <File>
+              <FileName>box.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\box.c</FilePath>
+            </File>
+            <File>
+              <FileName>color.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\color.c</FilePath>
+            </File>
+            <File>
+              <FileName>container.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\container.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc_blend.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc_blend.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc_buffer.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc_buffer.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc_client.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc_client.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc_hw.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc_hw.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc_rotozoom.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc_rotozoom.c</FilePath>
+            </File>
+            <File>
+              <FileName>dc_trans.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\dc_trans.c</FilePath>
+            </File>
+            <File>
+              <FileName>filerw.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\filerw.c</FilePath>
+            </File>
+            <File>
+              <FileName>font.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\font.c</FilePath>
+            </File>
+            <File>
+              <FileName>font_bmp.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\font_bmp.c</FilePath>
+            </File>
+            <File>
+              <FileName>font_fnt.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\font_fnt.c</FilePath>
+            </File>
+            <File>
+              <FileName>font_freetype.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\font_freetype.c</FilePath>
+            </File>
+            <File>
+              <FileName>font_hz_bmp.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\font_hz_bmp.c</FilePath>
+            </File>
+            <File>
+              <FileName>font_hz_file.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\font_hz_file.c</FilePath>
+            </File>
+            <File>
+              <FileName>hz12font.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\hz12font.c</FilePath>
+            </File>
+            <File>
+              <FileName>hz16font.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\hz16font.c</FilePath>
+            </File>
+            <File>
+              <FileName>image.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\image.c</FilePath>
+            </File>
+            <File>
+              <FileName>image_bmp.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\image_bmp.c</FilePath>
+            </File>
+            <File>
+              <FileName>image_hdc.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\image_hdc.c</FilePath>
+            </File>
+            <File>
+              <FileName>image_jpg.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\image_jpg.c</FilePath>
+            </File>
+            <File>
+              <FileName>image_png.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\image_png.c</FilePath>
+            </File>
+            <File>
+              <FileName>image_xpm.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\image_xpm.c</FilePath>
+            </File>
+            <File>
+              <FileName>matrix.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\matrix.c</FilePath>
+            </File>
+            <File>
+              <FileName>mouse.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\mouse.c</FilePath>
+            </File>
+            <File>
+              <FileName>region.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\region.c</FilePath>
+            </File>
+            <File>
+              <FileName>rtgui_app.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\rtgui_app.c</FilePath>
+            </File>
+            <File>
+              <FileName>rtgui_driver.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\rtgui_driver.c</FilePath>
+            </File>
+            <File>
+              <FileName>rtgui_object.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\rtgui_object.c</FilePath>
+            </File>
+            <File>
+              <FileName>rtgui_system.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\rtgui_system.c</FilePath>
+            </File>
+            <File>
+              <FileName>server.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\server.c</FilePath>
+            </File>
+            <File>
+              <FileName>title.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\title.c</FilePath>
+            </File>
+            <File>
+              <FileName>topwin.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\topwin.c</FilePath>
+            </File>
+            <File>
+              <FileName>widget.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\widget.c</FilePath>
+            </File>
+            <File>
+              <FileName>window.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\..\git\rt-thread\components\gui\src\window.c</FilePath>
+            </File>
+          </Files>
+        </Group>
+        <Group>
+          <GroupName>::CMSIS</GroupName>
+        </Group>
       </Groups>
     </Target>
   </Targets>
 
   <RTE>
     <apis/>
-    <components/>
+    <components>
+      <component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="5.0.1" condition="ARMv6_7_8-M Device">
+        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.0.1"/>
+        <targetInfos>
+          <targetInfo name="rt-thread_gd32f4xx"/>
+        </targetInfos>
+      </component>
+    </components>
     <files/>
   </RTE>
 

bsp/gd32450z-eval/rtconfig.h

@@ -59,8 +59,6 @@
 
 #define RT_USING_COMPONENTS_INIT
 
-//#define RT_USING_EXT_SDRAM
-
 /* SECTION: Device System */
 /* Using Device System */
 #define RT_USING_DEVICE
@@ -68,7 +66,7 @@
 
 /* SECTION: RTGUI support */
 /* using RTGUI support */
-//#define RT_USING_GUIENGINE
+#define RT_USING_GUIENGINE
 
 /* name length of RTGUI object */
 #define RTGUI_NAME_MAX		16
@@ -89,13 +87,17 @@
 /* use mouse cursor */
 /* #define RTGUI_USING_MOUSE_CURSOR */
 
-
 /* Using serial framework */
 #define RT_USING_SERIAL
 
-#define RT_USING_UART1
-#define RT_USING_UART2
+#define RT_USING_USART0
+#define RT_USING_USART1
+#define RT_USING_USART2
 #define RT_USING_UART3
+#define RT_USING_UART4
+#define RT_USING_USART5
+#define RT_USING_UART6
+#define RT_USING_UART7
 
 /* Using GPIO pin framework */
 //#define RT_USING_PIN
@@ -103,6 +105,8 @@
 /* Using Hardware Timer framework */
 //#define RT_USING_HWTIMER
 
+#define RT_USING_EXT_SDRAM
+
 /* SECTION: Console options */
 #define RT_USING_CONSOLE
 /* the buffer size of console*/
@@ -232,4 +236,6 @@
 #define RT_USING_I2C
 #define RT_USING_I2C_BITOPS
 
+#define RT_USING_CPU_FFS
+
 #endif