[bsp] stm32l476 bsp update

- add pin driver and user led
- add kconfig support
- clean code

bsp/stm32l476-nucleo/.config

+#
+# Automatically generated file; DO NOT EDIT.
+# RT-Thread Configuration
+#
+
+#
+# RT-Thread Kernel
+#
+CONFIG_RT_NAME_MAX=8
+CONFIG_RT_ALIGN_SIZE=4
+# CONFIG_RT_THREAD_PRIORITY_8 is not set
+CONFIG_RT_THREAD_PRIORITY_32=y
+# CONFIG_RT_THREAD_PRIORITY_256 is not set
+CONFIG_RT_THREAD_PRIORITY_MAX=32
+CONFIG_RT_TICK_PER_SECOND=100
+CONFIG_RT_DEBUG=y
+CONFIG_RT_USING_OVERFLOW_CHECK=y
+CONFIG_RT_DEBUG_INIT=0
+CONFIG_RT_DEBUG_THREAD=0
+CONFIG_RT_USING_HOOK=y
+CONFIG_IDLE_THREAD_STACK_SIZE=256
+# CONFIG_RT_USING_TIMER_SOFT is not set
+
+#
+# Inter-Thread communication
+#
+CONFIG_RT_USING_SEMAPHORE=y
+CONFIG_RT_USING_MUTEX=y
+CONFIG_RT_USING_EVENT=y
+CONFIG_RT_USING_MAILBOX=y
+CONFIG_RT_USING_MESSAGEQUEUE=y
+# CONFIG_RT_USING_SIGNALS is not set
+
+#
+# Memory Management
+#
+CONFIG_RT_USING_MEMPOOL=y
+# CONFIG_RT_USING_MEMHEAP is not set
+# CONFIG_RT_USING_NOHEAP is not set
+CONFIG_RT_USING_SMALL_MEM=y
+# CONFIG_RT_USING_SLAB is not set
+CONFIG_RT_USING_HEAP=y
+
+#
+# Kernel Device Object
+#
+CONFIG_RT_USING_DEVICE=y
+# CONFIG_RT_USING_INTERRUPT_INFO is not set
+CONFIG_RT_USING_CONSOLE=y
+CONFIG_RT_CONSOLEBUF_SIZE=128
+CONFIG_RT_CONSOLE_DEVICE_NAME="uart2"
+# CONFIG_RT_USING_MODULE is not set
+
+#
+# RT-Thread Components
+#
+CONFIG_RT_USING_COMPONENTS_INIT=y
+# CONFIG_RT_USING_USER_MAIN is not set
+
+#
+# C++ features
+#
+# CONFIG_RT_USING_CPLUSPLUS is not set
+
+#
+# Command shell
+#
+CONFIG_RT_USING_FINSH=y
+CONFIG_FINSH_USING_HISTORY=y
+CONFIG_FINSH_USING_SYMTAB=y
+CONFIG_FINSH_USING_DESCRIPTION=y
+CONFIG_FINSH_THREAD_PRIORITY=20
+CONFIG_FINSH_THREAD_STACK_SIZE=4096
+CONFIG_FINSH_CMD_SIZE=80
+# CONFIG_FINSH_USING_AUTH is not set
+CONFIG_FINSH_USING_MSH=y
+CONFIG_FINSH_USING_MSH_DEFAULT=y
+# CONFIG_FINSH_USING_MSH_ONLY is not set
+
+#
+# Device virtual file system
+#
+# CONFIG_RT_USING_DFS is not set
+
+#
+# Device Drivers
+#
+CONFIG_RT_USING_DEVICE_IPC=y
+CONFIG_RT_USING_SERIAL=y
+# CONFIG_RT_USING_CAN is not set
+# CONFIG_RT_USING_HWTIMER is not set
+# CONFIG_RT_USING_I2C is not set
+CONFIG_RT_USING_PIN=y
+# CONFIG_RT_USING_MTD_NOR is not set
+# CONFIG_RT_USING_MTD_NAND is not set
+# CONFIG_RT_USING_RTC is not set
+# CONFIG_RT_USING_SDIO is not set
+# CONFIG_RT_USING_SPI is not set
+# CONFIG_RT_USING_WDT is not set
+# CONFIG_RT_USING_USB_HOST is not set
+# CONFIG_RT_USING_USB_DEVICE is not set
+
+#
+# POSIX layer and C standard library
+#
+# CONFIG_RT_USING_LIBC is not set
+# CONFIG_RT_USING_PTHREADS is not set
+
+#
+# Network stack
+#
+
+#
+# light weight TCP/IP stack
+#
+# CONFIG_RT_USING_LWIP is not set
+
+#
+# Modbus master and slave stack
+#
+# CONFIG_RT_USING_MODBUS is not set
+
+#
+# RT-Thread UI Engine
+#
+# CONFIG_RT_USING_GUIENGINE is not set
+
+#
+# VBUS(Virtual Software BUS)
+#
+# CONFIG_RT_USING_VBUS is not set
+
+#
+# RT-Thread online packages
+#
+
+#
+# system packages
+#
+# CONFIG_PKG_USING_PARTITION is not set
+# CONFIG_PKG_USING_SQLITE is not set
+
+#
+# IoT - internet of things
+#
+# CONFIG_PKG_USING_PAHOMQTT is not set
+# CONFIG_PKG_USING_WEBCLIENT is not set
+# CONFIG_PKG_USING_MONGOOSE is not set
+# CONFIG_PKG_USING_WEBTERMINAL is not set
+# CONFIG_PKG_USING_CJSON is not set
+# CONFIG_PKG_USING_EZXML is not set
+
+#
+# Marvell WiFi
+#
+# CONFIG_PKG_USING_MARVELLWIFI is not set
+
+#
+# security packages
+#
+# CONFIG_PKG_USING_MBEDTLS is not set
+
+#
+# language packages
+#
+# CONFIG_PKG_USING_JERRYSCRIPT is not set
+
+#
+# multimedia packages
+#
+# CONFIG_PKG_USING_FASTLZ is not set
+
+#
+# tools packages
+#
+# CONFIG_PKG_USING_CMBACKTRACE is not set
+# CONFIG_PKG_USING_EASYLOGGER is not set
+# CONFIG_PKG_USING_SYSTEMVIEW is not set
+
+#
+# miscellaneous packages
+#
+# CONFIG_PKG_USING_HELLO is not set
+CONFIG_RT_USING_UART2=y

bsp/stm32l476-nucleo/Kconfig

+mainmenu "RT-Thread Configuration"
+
+config $BSP_DIR
+    string
+    option env="BSP_ROOT"
+    default "."
+
+config $RTT_DIR
+    string
+    option env="RTT_ROOT"
+    default: "rt-thread"
+    
+# you can change the RTT_ROOT default: "rt-thread"
+# example : default "F:/git_repositories/rt-thread"
+
+config $PKGS_DIR
+    string
+    option env="PKGS_ROOT"
+    default "packages"
+
+source "$RTT_DIR/KConfig"
+source "$PKGS_DIR/KConfig"
+source "$BSP_DIR/drivers/Kconfig"

bsp/stm32l476-nucleo/SConstruct

@@ -15,7 +15,7 @@ except:
     print RTT_ROOT
     exit(-1)
 
-TARGET = 'rtthread-stm32f42x.' + rtconfig.TARGET_EXT
+TARGET = 'rtthread-stm32l476.' + rtconfig.TARGET_EXT
 
 env = Environment(tools = ['mingw'],
     AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,

bsp/stm32l476-nucleo/applications/application.c

 /*
  * File      : application.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
+ * COPYRIGHT (C) 2006 - 2017, 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
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Change Logs:
  * Date           Author       Notes
- * 2009-01-05     Bernard      the first version
- * 2014-04-27     Bernard      make code cleanup. 
+ * 2017-11-20     tanek        first implementation
  */
 
 #include <board.h>
@@ -44,8 +53,8 @@
 #include <rtgui/driver.h>
 #endif
 
-//rt_module_t module_ptr;
-#define DATA_PATH "/Data"
+extern void rt_hw_userled_init(void);
+
 void rt_init_thread_entry(void* parameter)
 {    
      /* initialization RT-Thread Components */
@@ -53,6 +62,8 @@ void rt_init_thread_entry(void* parameter)
     rt_components_init();
 #endif
     
+    rt_hw_userled_init();
+    
 }
 int rt_application_init()
 {
@@ -65,8 +76,6 @@ int rt_application_init()
 
     if (tid != RT_NULL)
         rt_thread_startup(tid);
-    
-
 
     return 0;
 }

bsp/stm32l476-nucleo/applications/startup.c

 /*
  * File      : startup.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * COPYRIGHT (C) 2006 - 2017, 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://openlab.rt-thread.com/license/LICENSE
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Change Logs:
  * Date           Author       Notes

bsp/stm32l476-nucleo/applications/userled.c

+/*
+ * File      : userled.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ * 2012-09-20     heyuanjie     first version
+ * 2012-09-29     lgnq          re-fromat the coding style
+ */
+
+#include <rtthread.h>
+#include "drv_led.h"
+
+#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
+#include <finsh.h>
+#endif
+
+static rt_thread_t tid;
+
+/**
+ * This function is the entry of the led thread
+ *
+ * @param param parameter of the led thread
+ */
+static void rt_userled_thread_init(void *param)
+{
+    led_init();
+	
+    led_set(1);
+
+    /* leds blink */
+    while (1)
+    {
+        led_set(0);  		
+        rt_thread_delay(RT_TICK_PER_SECOND / 100);
+        led_clear(0);
+        rt_thread_delay(RT_TICK_PER_SECOND);
+    }
+}
+
+/**
+ * This function will create and start a led thread
+ */
+void rt_hw_userled_init(void)
+{
+    tid = rt_thread_create("userled",
+                           rt_userled_thread_init,
+                           RT_NULL,
+                           512,
+                           8,
+                           1);
+    if (tid != RT_NULL)
+        rt_thread_startup(tid); 
+}
+
+void rt_hw_userled_cleanup(void)
+{
+    rt_enter_critical();
+    
+    led_clear(0);
+    
+    if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
+    {
+        rt_kprintf("delete led thread success\n");
+        rt_thread_delete(tid);
+    }
+    else
+    {
+        rt_kprintf("delete led thread faild\n");
+        if (tid == RT_NULL)
+            rt_kprintf("tid is null\n");
+        else
+            rt_kprintf("tid stat is %d\n", tid->stat);
+    }
+    
+    rt_exit_critical();
+}
+#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
+MSH_CMD_EXPORT_ALIAS(rt_hw_userled_cleanup, led_cleanup, delete led task);
+#endif
+
+
+void rt_hw_userled_input(void)
+{
+    led_deinit();
+}
+#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
+MSH_CMD_EXPORT_ALIAS(rt_hw_userled_input, led_as_input, delete led task);
+#endif

bsp/stm32l476-nucleo/drivers/Kconfig

+config RT_USING_UART2
+    bool "Enable UART2"
+    default y
+
+config RT_USING_PIN
+    bool "Enable PIN"
+    default y
\ No newline at end of file

bsp/stm32l476-nucleo/drivers/SConscript

@@ -8,6 +8,8 @@ cwd     = os.path.join(str(Dir('#')), 'drivers')
 src = Split("""
 board.c
 usart.c
+drv_led.c
+gpio.c
 """)
 
 CPPPATH = [cwd]

bsp/stm32l476-nucleo/drivers/board.c

 /*
  * File      : board.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 RT-Thread Develop Team
+ * COPYRIGHT (C) 2006 - 2017, 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
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Change Logs:
  * Date           Author       Notes
@@ -143,15 +153,13 @@ void rt_hw_board_init()
 
     SystemClock_Config();
     
-    stm32_hw_usart_init();
-#ifdef RT_USING_CONSOLE
-    rt_console_set_device(CONSOLE_DEVICE);
-#endif
-    
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_board_init();
 #endif
 
+#ifdef RT_USING_CONSOLE
+    rt_console_set_device(CONSOLE_DEVICE);
+#endif
 }
 
 /*@}*/

bsp/stm32l476-nucleo/drivers/board.h

 /*
  * File      : board.h
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * COPYRIGHT (C) 2006 - 2012, 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
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Change Logs:
  * Date           Author       Notes
@@ -56,6 +66,12 @@ void rt_hw_board_init(void);
 #define CONSOLE_DEVICE "uart2"
 #elif STM32_CONSOLE_USART == 3
 #define CONSOLE_DEVICE "uart3"
+#elif STM32_CONSOLE_USART == 4
+#define CONSOLE_DEVICE "uart4"
+#elif STM32_CONSOLE_USART == 5
+#define CONSOLE_DEVICE "uart5"
+#elif STM32_CONSOLE_USART == 6
+#define CONSOLE_DEVICE "lpuart1"
 #endif
 
 #define FINSH_DEVICE_NAME   CONSOLE_DEVICE

bsp/stm32l476-nucleo/drivers/drv_led.c

+/*
+ * File      : drv_led.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ */
+
+#include "board.h"
+#include "drv_led.h"
+#include <drivers/pin.h>
+
+//the pin number can be find in :goip.c pins[].
+//in nucleo-l476rg board,the green led is attached to PA5 which the number is 21.
+#define LED 21
+
+/**
+ * This function light up LED
+ *
+ * @param led LED number (6)
+ */
+void led_set(int led)
+{
+    if (led == 0)
+    {
+       rt_pin_write(LED, 1);
+    }
+}
+
+/**
+ * This function return LED status, on or off
+ *
+ * @param led LED number (0-1)
+ */
+int led_get(int led)
+{
+    int ret = 0;
+
+    if (led == 0)
+    {
+        ret = rt_pin_read(LED);
+    }
+
+    return ret;
+}
+
+/**
+ * This function turn off LED
+ *
+ * @param led LED number (0-1)
+ */
+void led_clear(int led)
+{
+    if (led == 0)
+    {
+        rt_pin_write(LED, 0);
+    }
+}
+
+/**
+ * This function toggle LED, switch from on to off or vice versa
+ *
+ * @param led LED number (0-1)
+ */
+void led_toggle(int led)
+{
+    int ret = 0;
+	
+    ret = rt_pin_read(LED);
+	
+    if(ret==1)
+    {
+        ret=0;
+    }
+    else if(ret==0)
+    {
+        ret=1;
+    }
+
+    if (led == 0)
+    {
+        rt_pin_write(LED, ret);
+    }
+}
+
+/**
+ * This function light up LEDs according value of 2 least significat bits
+ *
+ * @param value Bit pattern
+ */
+void led_value(int value)
+{
+	rt_pin_write(LED, value);
+}
+
+/**
+ * This function initialize LED interface
+ */
+void led_init(void)
+{
+	rt_pin_mode(LED, PIN_MODE_OUTPUT);
+}
+
+/**
+ * This function initialize LED interface
+ */
+void led_deinit(void)
+{
+	rt_pin_mode(LED, PIN_MODE_INPUT);
+}

bsp/stm32l476-nucleo/drivers/drv_led.h

+/*
+ * File      : drv_led.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ */
+
+#ifndef __DRV_LED_H__
+#define __DRV_LED_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void led_init(void);
+void led_set(int led);
+int  led_get(int led);
+void led_clear(int led);
+void led_toggle(int led);
+void led_value(int value);
+void led_deinit(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

bsp/stm32l476-nucleo/drivers/gpio.h

+/*
+ * File      : gpio.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2015, 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
+ * 2015-01-05     Bernard      the first version
+ */
+#ifndef GPIO_H__
+#define GPIO_H__
+
+
+struct stm32_hw_pin_userdata
+{
+    int pin;
+    uint32_t mode;
+};
+
+#define PIN_USERDATA_END {-1,0}
+
+extern struct stm32_hw_pin_userdata stm32_pins[];
+
+int rt_hw_pin_init(void);
+
+#endif

bsp/stm32l476-nucleo/drivers/usart.c

 /*
  * File      : usart.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * COPYRIGHT (C) 2006 - 2017, 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
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Change Logs:
  * Date           Author       Notes
  * 2009-01-05     Bernard      the first version
- * 2010-03-29     Bernard      remove interrupt Tx and DMA Rx mode
- * 2012-02-08     aozima       update for F4.
- * 2012-07-28     aozima       update for ART board.
- * 2016-05-28     armink       add DMA Rx mode
  */
 
 #include <stm32l4xx.h>
@@ -87,6 +93,19 @@
 #define USART5_RX_AF                     GPIO_AF7_USART5
 #endif
 
+#ifdef RT_USING_LPUART1
+#define LPUART1_RX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOC_CLK_ENABLE()
+#define LPUART1_TX_GPIO_CLK_ENABLE()      __HAL_RCC_GPIOC_CLK_ENABLE()
+
+/* Definition for LPUART1 Pins */
+#define LPUART1_TX_PIN                    GPIO_PIN_0
+#define LPUART1_TX_GPIO_PORT              GPIOC
+#define LPUART1_TX_AF                     GPIO_AF8_LPUART1
+#define LPUART1_RX_PIN                    GPIO_PIN_1
+#define LPUART1_RX_GPIO_PORT              GPIOC
+#define LPUART1_RX_AF                     GPIO_AF8_LPUART1
+#endif
+
 /* STM32 uart driver */
 struct stm32_uart
 {
@@ -96,90 +115,104 @@ struct stm32_uart
 
 static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
 {
-  struct stm32_uart *uart;
-
-  RT_ASSERT(serial != RT_NULL);
-  RT_ASSERT(cfg != RT_NULL);
-
-  uart = (struct stm32_uart *)serial->parent.user_data;
-
-  uart->UartHandle.Init.BaudRate   = cfg->baud_rate;
-  uart->UartHandle.Init.HwFlowCtl  = UART_HWCONTROL_NONE;
-  uart->UartHandle.Init.Mode       = UART_MODE_TX_RX;
-  uart->UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
-
-  switch (cfg->data_bits)
-  {
-  case DATA_BITS_8:
-      uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
-      break;
-  case DATA_BITS_9:
-      uart->UartHandle.Init.WordLength = UART_WORDLENGTH_9B;
-      break;
-  default:
-      uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
-      break;
-  }
-  switch (cfg->stop_bits)
-  {
-  case STOP_BITS_1:
-      uart->UartHandle.Init.StopBits   = UART_STOPBITS_1;
-      break;
-  case STOP_BITS_2:
-      uart->UartHandle.Init.StopBits   = UART_STOPBITS_2;
-      break;
-  default:
-      uart->UartHandle.Init.StopBits   = UART_STOPBITS_1;
-      break;
-  }
-  switch (cfg->parity)
-  {
-  case PARITY_NONE:
-      uart->UartHandle.Init.Parity     = UART_PARITY_NONE;
-      break;
-  case PARITY_ODD:
-      uart->UartHandle.Init.Parity     = UART_PARITY_ODD;
-      break;
-  case PARITY_EVEN:
-      uart->UartHandle.Init.Parity     = UART_PARITY_EVEN;
-      break;
-  default:
-      uart->UartHandle.Init.Parity     = UART_PARITY_NONE;
-      break;
-  }
-
-  if (HAL_UART_Init(&uart->UartHandle) != HAL_OK)
-  {
-      return RT_ERROR;
-  }
-
-  return RT_EOK;
+    struct stm32_uart *uart;
+
+    RT_ASSERT(serial != RT_NULL);
+    RT_ASSERT(cfg != RT_NULL);
+
+    uart = (struct stm32_uart *)serial->parent.user_data;
+
+    uart->UartHandle.Init.BaudRate   = cfg->baud_rate;
+    uart->UartHandle.Init.HwFlowCtl  = UART_HWCONTROL_NONE;
+    uart->UartHandle.Init.Mode       = UART_MODE_TX_RX;
+    uart->UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
+
+    switch (cfg->data_bits)
+    {
+    case DATA_BITS_8:
+        uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
+        break;
+    case DATA_BITS_9:
+        uart->UartHandle.Init.WordLength = UART_WORDLENGTH_9B;
+        break;
+    default:
+        uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
+        break;
+    }
+    
+    switch (cfg->stop_bits)
+    {
+    case STOP_BITS_1:
+        uart->UartHandle.Init.StopBits   = UART_STOPBITS_1;
+        break;
+    case STOP_BITS_2:
+        uart->UartHandle.Init.StopBits   = UART_STOPBITS_2;
+        break;
+    default:
+        uart->UartHandle.Init.StopBits   = UART_STOPBITS_1;
+        break;
+    }
+    
+    switch (cfg->parity)
+    {
+    case PARITY_NONE:
+        uart->UartHandle.Init.Parity     = UART_PARITY_NONE;
+        break;
+    case PARITY_ODD:
+        uart->UartHandle.Init.Parity     = UART_PARITY_ODD;
+        break;
+    case PARITY_EVEN:
+        uart->UartHandle.Init.Parity     = UART_PARITY_EVEN;
+        break;
+    default:
+        uart->UartHandle.Init.Parity     = UART_PARITY_NONE;
+        break;
+    }
+  
+    if (HAL_UART_Init(&uart->UartHandle) != HAL_OK)
+    {
+        return RT_ERROR;
+    }
+
+    if (uart->UartHandle.Instance == LPUART1)
+    {
+        static UART_WakeUpTypeDef WakeUpSelection; 
+        WakeUpSelection.WakeUpEvent = UART_WAKEUP_ON_READDATA_NONEMPTY;
+        
+        if (HAL_UARTEx_StopModeWakeUpSourceConfig(&uart->UartHandle, WakeUpSelection)!= HAL_OK)
+        {
+            return RT_ERROR; 
+        }
+        HAL_UARTEx_EnableStopMode(&uart->UartHandle);
+    }
+  
+    return RT_EOK;
 }
 
 static rt_err_t stm32_control(struct rt_serial_device *serial, int cmd, void *arg)
 {
-  struct stm32_uart *uart;
-
-  RT_ASSERT(serial != RT_NULL);
-  uart = (struct stm32_uart *)serial->parent.user_data;
-
-  switch (cmd)
-  {
-  case RT_DEVICE_CTRL_CLR_INT:
-      /* disable rx irq */
-      NVIC_DisableIRQ(uart->irq);
-      /* disable interrupt */
-      __HAL_UART_DISABLE_IT(&uart->UartHandle, UART_IT_RXNE);
-      break;
-  case RT_DEVICE_CTRL_SET_INT:
-      /* enable rx irq */
-      NVIC_EnableIRQ(uart->irq);
-      /* enable interrupt */
-      __HAL_UART_ENABLE_IT(&uart->UartHandle, UART_IT_RXNE);
-      break;
-  }
-
-  return RT_EOK;
+	struct stm32_uart *uart;
+
+	RT_ASSERT(serial != RT_NULL);
+	uart = (struct stm32_uart *)serial->parent.user_data;
+
+	switch (cmd)
+	{
+	case RT_DEVICE_CTRL_CLR_INT:
+	  /* disable rx irq */
+	  NVIC_DisableIRQ(uart->irq);
+	  /* disable interrupt */
+	  __HAL_UART_DISABLE_IT(&uart->UartHandle, UART_IT_RXNE);
+	  break;
+	case RT_DEVICE_CTRL_SET_INT:
+	  /* enable rx irq */
+	  NVIC_EnableIRQ(uart->irq);
+	  /* enable interrupt */
+	  __HAL_UART_ENABLE_IT(&uart->UartHandle, UART_IT_RXNE);
+	  break;
+	}
+
+  	return RT_EOK;
 }
 
 static int stm32_putc(struct rt_serial_device *serial, char c)
@@ -213,7 +246,8 @@ static int stm32_getc(struct rt_serial_device *serial)
  *
  * @param serial serial device
  */
-static void uart_isr(struct rt_serial_device *serial) {
+static void uart_isr(struct rt_serial_device *serial)
+{
     struct stm32_uart *uart = (struct stm32_uart *) serial->parent.user_data;
 
     RT_ASSERT(uart != RT_NULL);
@@ -400,6 +434,38 @@ void HAL_UART_MspInit(UART_HandleTypeDef *huart)
         HAL_NVIC_EnableIRQ(USART5_IRQn);
     }
 #endif
+
+#if defined(RT_USING_LPUART1)
+    if (huart->Instance == LPUART1)
+    {
+        /*##-1- Enable peripherals and GPIO Clocks #################################*/
+        /* Enable GPIO TX/RX clock */
+        LPUART1_TX_GPIO_CLK_ENABLE();
+        LPUART1_RX_GPIO_CLK_ENABLE();
+
+        /* Enable USARTx clock */
+        __HAL_RCC_LPUART1_CLK_ENABLE();
+
+        /*##-2- Configure peripheral GPIO ##########################################*/
+        /* UART TX GPIO pin configuration  */
+        GPIO_InitStruct.Pin       = LPUART1_TX_PIN;
+        GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
+        GPIO_InitStruct.Pull      = GPIO_PULLUP;
+        GPIO_InitStruct.Speed     = GPIO_SPEED_FAST;
+        GPIO_InitStruct.Alternate = LPUART1_TX_AF;
+
+        HAL_GPIO_Init(LPUART1_TX_GPIO_PORT, &GPIO_InitStruct);
+
+        /* UART RX GPIO pin configuration  */
+        GPIO_InitStruct.Pin = LPUART1_RX_PIN;
+        GPIO_InitStruct.Alternate = LPUART1_RX_AF;
+
+        HAL_GPIO_Init(LPUART1_RX_GPIO_PORT, &GPIO_InitStruct);
+
+        HAL_NVIC_SetPriority(LPUART1_IRQn, 0, 1);
+        HAL_NVIC_EnableIRQ(LPUART1_IRQn);
+    }
+#endif
 }
 
 /**
@@ -496,6 +562,23 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
         HAL_NVIC_DisableIRQ(USART5_IRQn);
     }
 #endif
+
+#if defined(RT_USING_LPUART1)
+    if (huart->Instance == LPUART1)
+    {
+        /*##-1- Reset peripherals ##################################################*/
+        __HAL_RCC_LPUART1_FORCE_RESET();
+        __HAL_RCC_LPUART1_RELEASE_RESET();
+
+        /*##-2- Disable peripherals and GPIO Clocks #################################*/
+        /* Configure UART Tx as alternate function  */
+        HAL_GPIO_DeInit(LPUART1_TX_GPIO_PORT, LPUART1_TX_PIN);
+        /* Configure UART Rx as alternate function  */
+        HAL_GPIO_DeInit(LPUART1_RX_GPIO_PORT, LPUART1_RX_PIN);
+
+        HAL_NVIC_DisableIRQ(LPUART1_IRQn);
+    }
+#endif
 }
 
 
@@ -608,7 +691,7 @@ void UART5_IRQHandler(void)
     /* enter interrupt */
     rt_interrupt_enter();
 
-    (&serial5);
+    uart_isr(&serial5);
 
     /* leave interrupt */
     rt_interrupt_leave();
@@ -616,6 +699,28 @@ void UART5_IRQHandler(void)
 
 #endif /* RT_USING_UART5 */
 
+#if defined(RT_USING_LPUART1)
+/* UART5 device driver structure */
+struct stm32_uart lpuart1 =
+{
+    {LPUART1},
+    LPUART1_IRQn,
+};
+struct rt_serial_device serial6;
+
+void LPUART1_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+
+    uart_isr(&serial6);
+
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+#endif /* RT_USING_LPUART1 */
+
 int stm32_hw_usart_init(void)
 {
     struct stm32_uart *uart;
@@ -690,6 +795,23 @@ int stm32_hw_usart_init(void)
                           RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
                           uart);
 #endif /* RT_USING_UART5 */
+
+#ifdef RT_USING_LPUART1
+    uart = &lpuart1;
+    uart->UartHandle.Instance = LPUART1;
+
+    
+    serial6.ops    = &stm32_uart_ops;
+    serial6.config = config;
+    
+    serial6.config.baud_rate = BAUD_RATE_4800;
+
+    /* register UART5 device */
+    rt_hw_serial_register(&serial6,
+                          "lpuart1",
+                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+                          uart);
+#endif /* RT_USING_LPUART1 */
     return 0;
 }
 INIT_BOARD_EXPORT(stm32_hw_usart_init);

bsp/stm32l476-nucleo/rtconfig.h

-/* RT-Thread config file */
-#ifndef __RTTHREAD_CFG_H__
-#define __RTTHREAD_CFG_H__
+#ifndef RT_CONFIG_H__
+#define RT_CONFIG_H__
 
-/* RT_NAME_MAX*/
-#define RT_NAME_MAX	   8
+/* Automatically generated file; DO NOT EDIT. */
+/* RT-Thread Configuration */
 
-/* RT_ALIGN_SIZE*/
-#define RT_ALIGN_SIZE	4
+/* RT-Thread Kernel */
 
-/* PRIORITY_MAX */
-#define RT_THREAD_PRIORITY_MAX	32
-
-/* Tick per Second */
-#define RT_TICK_PER_SECOND	100
-
-/* SECTION: RT_DEBUG */
-/* Thread Debug */
+#define RT_NAME_MAX 8
+#define RT_ALIGN_SIZE 4
+/* RT_THREAD_PRIORITY_8 is not set */
+#define RT_THREAD_PRIORITY_32
+/* RT_THREAD_PRIORITY_256 is not set */
+#define RT_THREAD_PRIORITY_MAX 32
+#define RT_TICK_PER_SECOND 100
 #define RT_DEBUG
 #define RT_USING_OVERFLOW_CHECK
-
-/* Using Hook */
+#define RT_DEBUG_INIT 0
+#define RT_DEBUG_THREAD 0
 #define RT_USING_HOOK
+#define IDLE_THREAD_STACK_SIZE 256
+/* RT_USING_TIMER_SOFT is not set */
 
-#define IDLE_THREAD_STACK_SIZE     1024
-
-/* Using Software Timer */
-/* #define RT_USING_TIMER_SOFT */
-#define RT_TIMER_THREAD_PRIO		4
-#define RT_TIMER_THREAD_STACK_SIZE	512
+/* Inter-Thread communication */
 
-/* SECTION: IPC */
-/* Using Semaphore*/
 #define RT_USING_SEMAPHORE
-
-/* Using Mutex */
 #define RT_USING_MUTEX
-
-/* Using Event */
 #define RT_USING_EVENT
-
-/* Using MailBox */
 #define RT_USING_MAILBOX
-
-/* Using Message Queue */
 #define RT_USING_MESSAGEQUEUE
+/* RT_USING_SIGNALS is not set */
 
-/* SECTION: Memory Management */
-/* Using Memory Pool Management*/
-#define RT_USING_MEMPOOL
+/* Memory Management */
 
-/* Using Dynamic Heap Management */
+#define RT_USING_MEMPOOL
+/* RT_USING_MEMHEAP is not set */
+/* RT_USING_NOHEAP is not set */
+#define RT_USING_SMALL_MEM
+/* RT_USING_SLAB is not set */
 #define RT_USING_HEAP
 
-/* Using Small MM */
-#define RT_USING_SMALL_MEM
+/* Kernel Device Object */
 
-/* SECTION: Device System */
-/* Using Device System */
 #define RT_USING_DEVICE
-#define RT_USING_DEVICE_IPC
-/* Using serial framework */
-#define RT_USING_SERIAL
+/* RT_USING_INTERRUPT_INFO is not set */
+#define RT_USING_CONSOLE
+#define RT_CONSOLEBUF_SIZE 128
+#define RT_CONSOLE_DEVICE_NAME "uart2"
+/* RT_USING_MODULE is not set */
 
-#define RT_USING_UART1
-#define RT_USING_UART2
-#define RT_USING_UART3
+/* RT-Thread Components */
 
-/* Using GPIO pin framework */
-#define RT_USING_PIN
+#define RT_USING_COMPONENTS_INIT
+/* RT_USING_USER_MAIN is not set */
 
-/* Using Hardware Timer framework */
-//#define RT_USING_HWTIMER
+/* C++ features */
 
-/* SECTION: Console options */
-#define RT_USING_CONSOLE
-/* the buffer size of console*/
-#define RT_CONSOLEBUF_SIZE	128
+/* RT_USING_CPLUSPLUS is not set */
+
+/* Command shell */
 
-/* SECTION: finsh, a C-Express shell */
 #define RT_USING_FINSH
-/* Using symbol table */
+#define FINSH_USING_HISTORY
 #define FINSH_USING_SYMTAB
 #define FINSH_USING_DESCRIPTION
+#define FINSH_THREAD_PRIORITY 20
+#define FINSH_THREAD_STACK_SIZE 4096
+#define FINSH_CMD_SIZE 80
+/* FINSH_USING_AUTH is not set */
+#define FINSH_USING_MSH
+#define FINSH_USING_MSH_DEFAULT
+/* FINSH_USING_MSH_ONLY is not set */
 
-#define RT_USING_COMPONENTS_INIT
+/* Device virtual file system */
+
+/* RT_USING_DFS is not set */
+
+/* Device Drivers */
+
+#define RT_USING_DEVICE_IPC
+#define RT_USING_SERIAL
+/* RT_USING_CAN is not set */
+/* RT_USING_HWTIMER is not set */
+/* RT_USING_I2C is not set */
+#define RT_USING_PIN
+/* RT_USING_MTD_NOR is not set */
+/* RT_USING_MTD_NAND is not set */
+/* RT_USING_RTC is not set */
+/* RT_USING_SDIO is not set */
+/* RT_USING_SPI is not set */
+/* RT_USING_WDT is not set */
+/* RT_USING_USB_HOST is not set */
+/* RT_USING_USB_DEVICE is not set */
+
+/* POSIX layer and C standard library */
+
+/* RT_USING_LIBC is not set */
+/* RT_USING_PTHREADS is not set */
+
+/* Network stack */
+
+/* light weight TCP/IP stack */
+
+/* RT_USING_LWIP is not set */
+
+/* Modbus master and slave stack */
+
+/* RT_USING_MODBUS is not set */
+
+/* RT-Thread UI Engine */
+
+/* RT_USING_GUIENGINE is not set */
+
+/* VBUS(Virtual Software BUS) */
+
+/* RT_USING_VBUS is not set */
+
+/* RT-Thread online packages */
+
+/* system packages */
+
+/* PKG_USING_PARTITION is not set */
+/* PKG_USING_SQLITE is not set */
+
+/* IoT - internet of things */
+
+/* PKG_USING_PAHOMQTT is not set */
+/* PKG_USING_WEBCLIENT is not set */
+/* PKG_USING_MONGOOSE is not set */
+/* PKG_USING_WEBTERMINAL is not set */
+/* PKG_USING_CJSON is not set */
+/* PKG_USING_EZXML is not set */
+
+/* Marvell WiFi */
+
+/* PKG_USING_MARVELLWIFI is not set */
+
+/* security packages */
+
+/* PKG_USING_MBEDTLS is not set */
+
+/* language packages */
+
+/* PKG_USING_JERRYSCRIPT is not set */
+
+/* multimedia packages */
+
+/* PKG_USING_FASTLZ is not set */
+
+/* tools packages */
+
+/* PKG_USING_CMBACKTRACE is not set */
+/* PKG_USING_EASYLOGGER is not set */
+/* PKG_USING_SYSTEMVIEW is not set */
+
+/* miscellaneous packages */
+
+/* PKG_USING_HELLO is not set */
+#define RT_USING_UART2
 
-/* SECTION: device filesystem */
-/* Using Device file system */
-/* #define RT_USING_DFS */
-/* the max number of mounted filesystem */
-#define DFS_FILESYSTEMS_MAX			2
-/* the max number of opened files 		*/
-#define DFS_FD_MAX					4
-
-/* Using ELM FATFS */
-//#define RT_USING_DFS_ELMFAT
-#define RT_DFS_ELM_WORD_ACCESS
-/* Reentrancy (thread safe) of the FatFs module.  */
-#define RT_DFS_ELM_REENTRANT
-/* Number of volumes (logical drives) to be used. */
-#define RT_DFS_ELM_DRIVES			2
-/* #define RT_DFS_ELM_USE_LFN			1 */
-#define RT_DFS_ELM_MAX_LFN			255
-/* Maximum sector size to be handled. */
-#define RT_DFS_ELM_MAX_SECTOR_SIZE  512
-
-/* Using ROM file system */
-// #define RT_USING_DFS_ROMFS
-
-/* SECTION: lwip, a lighwight TCP/IP protocol stack */
-/* #define RT_USING_LWIP */
-/* Enable ICMP protocol*/
-#define RT_LWIP_ICMP
-/* Enable UDP protocol*/
-#define RT_LWIP_UDP
-/* Enable TCP protocol*/
-#define RT_LWIP_TCP
-/* Enable DNS */
-#define RT_LWIP_DNS
-
-/* the number of simulatenously active TCP connections*/
-#define RT_LWIP_TCP_PCB_NUM	5
-
-/* ip address of target*/
-#define RT_LWIP_IPADDR0	192
-#define RT_LWIP_IPADDR1	168
-#define RT_LWIP_IPADDR2	1
-#define RT_LWIP_IPADDR3	201
-
-/* gateway address of target*/
-#define RT_LWIP_GWADDR0	192
-#define RT_LWIP_GWADDR1	168
-#define RT_LWIP_GWADDR2	1
-#define RT_LWIP_GWADDR3	1
-
-/* mask address of target*/
-#define RT_LWIP_MSKADDR0	255
-#define RT_LWIP_MSKADDR1	255
-#define RT_LWIP_MSKADDR2	255
-#define RT_LWIP_MSKADDR3	0
-
-/* tcp thread options */
-#define RT_LWIP_TCPTHREAD_PRIORITY		12
-#define RT_LWIP_TCPTHREAD_MBOX_SIZE		4
-#define RT_LWIP_TCPTHREAD_STACKSIZE		1024
-
-/* ethernet if thread options */
-#define RT_LWIP_ETHTHREAD_PRIORITY		15
-#define RT_LWIP_ETHTHREAD_MBOX_SIZE		4
-#define RT_LWIP_ETHTHREAD_STACKSIZE		512
-
-/* TCP sender buffer space */
-#define RT_LWIP_TCP_SND_BUF	8192
-/* TCP receive window. */
-#define RT_LWIP_TCP_WND		8192
-
-/* RT_GDB_STUB */
-//#define RT_USING_GDB
 
 #endif

bsp/stm32l476-nucleo/rtconfig.py

@@ -28,7 +28,7 @@ if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
 
 BUILD = 'debug'
-STM32_TYPE = 'STM32F429xx'
+STM32_TYPE = 'STM32L4x6'
 
 if PLATFORM == 'gcc':
     # toolchains