update FM3 MB9BF506R serial driver

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1997 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/mb9bf506r/board.c

 /*
  * File      : board.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 - 2011 RT-Thread Develop Team
+ * COPYRIGHT (C) 2009 - 2012 RT-Thread Develop Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
@@ -31,7 +31,6 @@ extern const uint32_t SystemFrequency;
 
 /**
  * This is the timer interrupt service routine.
- *
  */
 void SysTick_Handler(void)
 {
@@ -45,7 +44,7 @@ void SysTick_Handler(void)
 }
 
 /**
-* This function will initial FM3 Easy Kit board.
+ * This function will initial FM3 Easy Kit board.
  */
 void rt_hw_board_init(void)
 {
@@ -55,7 +54,7 @@ void rt_hw_board_init(void)
 	/* initialize UART device */
 	rt_hw_serial_init();
 	/* set console as UART device */
-	rt_console_set_device("uart2");
+	rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
 	
 	/* initialize nand flash device */
 	rt_hw_nand_init();

bsp/mb9bf506r/console.c

@@ -15,12 +15,12 @@
 
 #define RT_CONSOLE_FOREPIXEL	(0x001f)
 
-extern struct serial_device uart2;
+extern struct serial_device uart0;
 
 struct rt_console
 {
-	rt_uint8_t* video_ptr;
-	rt_uint8_t* font_ptr;
+	rt_uint8_t *video_ptr;
+	rt_uint8_t *font_ptr;
 
 	/* bpp and pixel of width */
 	rt_uint8_t bpp;
@@ -32,12 +32,12 @@ struct rt_console
 };
 struct rt_console console;
 
-void rt_hw_console_init(rt_uint8_t* video_ptr, rt_uint8_t* font_ptr, rt_uint8_t bpp);
+void rt_hw_console_init(rt_uint8_t *video_ptr, rt_uint8_t *font_ptr, rt_uint8_t bpp);
 void rt_hw_console_newline(void);
 void rt_hw_console_putc(char c);
 void rt_hw_console_clear(void);
 
-void rt_hw_console_init(rt_uint8_t* video_ptr, rt_uint8_t* font_ptr, rt_uint8_t bpp)
+void rt_hw_console_init(rt_uint8_t *video_ptr, rt_uint8_t *font_ptr, rt_uint8_t bpp)
 {
 	rt_memset(&console, 0, sizeof(struct rt_console));
 
@@ -53,74 +53,75 @@ void rt_hw_console_putc(char c)
 {
 	switch (c)
 	{
-        case 10:
-        case 11:
-        case 12:
-        case 13:
-			/* to next line */
-            rt_hw_console_newline();
-            console.current_col = 0;
-            break;
-
-        case 9:
-            console.current_col += RT_CONSOLE_TAB;
-            break;
-
-        default:
-			{
-				rt_uint8_t* font_ptr;
-				register rt_uint32_t cursor;
-				register rt_uint32_t i, j;
+    case 10:
+    case 11:
+    case 12:
+    case 13:
+		/* to next line */
+        rt_hw_console_newline();
+        console.current_col = 0;
+        break;
+
+    case 9:
+        console.current_col += RT_CONSOLE_TAB;
+        break;
+
+    default:
+		{
+			rt_uint8_t *font_ptr;
+			register rt_uint32_t cursor;
+			register rt_uint32_t i, j;
 
-				if (console.current_col == RT_CONSOLE_COL)
-				{
-					rt_hw_console_newline();
-					console.current_col = 0;
+			if (console.current_col == RT_CONSOLE_COL)
+			{
+				rt_hw_console_newline();
+				console.current_col = 0;
 
-					rt_hw_console_putc(c);
-					return;
-				}
+				rt_hw_console_putc(c);
+				
+				return;
+			}
 
-				font_ptr = console.font_ptr + c * RT_CONSOLE_FONT_HEIGHT;
-				cursor = (console.current_row * RT_CONSOLE_FONT_HEIGHT) * console.pitch
-					+ console.current_col * RT_CONSOLE_FONT_WIDTH * console.bpp;
+			font_ptr = console.font_ptr + c * RT_CONSOLE_FONT_HEIGHT;
+			cursor = (console.current_row * RT_CONSOLE_FONT_HEIGHT) * console.pitch
+				+ console.current_col * RT_CONSOLE_FONT_WIDTH * console.bpp;
 
-				for (i = 0; i < RT_CONSOLE_FONT_HEIGHT; i ++ )
+			for (i = 0; i < RT_CONSOLE_FONT_HEIGHT; i ++ )
+			{
+				for (j = 0; j < RT_CONSOLE_FONT_WIDTH; j ++)
 				{
-					for (j = 0; j < RT_CONSOLE_FONT_WIDTH; j ++)
+					if (((font_ptr[i] >> (7-j)) & 0x01) != 0)
 					{
-						if ( ((font_ptr[i] >> (7-j)) & 0x01) != 0 )
+						/* draw a pixel */
+						rt_uint8_t *ptr = &(console.video_ptr[cursor + i * console.pitch + j * console.bpp]);
+						switch (console.bpp)
 						{
-							/* draw a pixel */
-							rt_uint8_t *ptr = &(console.video_ptr[cursor + i * console.pitch + j * console.bpp]);
-							switch(console.bpp)
-							{
-							case 1:
-								*ptr = RT_CONSOLE_FOREPIXEL;
-								break;
-							case 2:
-								*(rt_uint16_t*)ptr = RT_CONSOLE_FOREPIXEL;
-								break;
-							case 3:
-								ptr[0] = RT_CONSOLE_FOREPIXEL & 0xff;
-								ptr[1] = (RT_CONSOLE_FOREPIXEL >> 8) & 0xff;
-								ptr[2] = (RT_CONSOLE_FOREPIXEL >> 16) & 0xff;
-								break;
-							case 4:
-								*(rt_uint32_t*)ptr = RT_CONSOLE_FOREPIXEL;
-								break;
-							}
+						case 1:
+							*ptr = RT_CONSOLE_FOREPIXEL;
+							break;
+						case 2:
+							*(rt_uint16_t*)ptr = RT_CONSOLE_FOREPIXEL;
+							break;
+						case 3:
+							ptr[0] = RT_CONSOLE_FOREPIXEL & 0xff;
+							ptr[1] = (RT_CONSOLE_FOREPIXEL >> 8) & 0xff;
+							ptr[2] = (RT_CONSOLE_FOREPIXEL >> 16) & 0xff;
+							break;
+						case 4:
+							*(rt_uint32_t*)ptr = RT_CONSOLE_FOREPIXEL;
+							break;
 						}
 					}
 				}
-
-				console.current_col ++;
 			}
-			break;
+
+			console.current_col ++;
+		}
+		break;
 	}
 }
 
-void rt_hw_console_newline()
+void rt_hw_console_newline(void)
 {
 	console.current_row ++;
 	if (console.current_row >= RT_CONSOLE_ROW)
@@ -144,7 +145,7 @@ void rt_hw_console_newline()
 	}
 }
 
-void rt_hw_console_clear()
+void rt_hw_console_clear(void)
 {
 	console.current_col = 0;
 	console.current_row = 0;
@@ -159,10 +160,12 @@ void rt_hw_serial_putc(const char c)
 		to be polite with serial console add a line feed
 		to the carriage return character
 	*/
-	if (c=='\n')rt_hw_serial_putc('\r');
+	if (c=='\n')
+		rt_hw_serial_putc('\r');
 
-	while (!(uart2.uart_device->SSR & SSR_TDRE));
-	uart2.uart_device->TDR = (c & 0x1FF);
+	while (!(uart0.uart_device->SSR & SSR_TDRE))
+		;
+	uart0.uart_device->TDR = (c & 0x1FF);
 }
 
 /**
@@ -170,7 +173,7 @@ void rt_hw_serial_putc(const char c)
  *
  * @param str the displayed string
  */
-void rt_hw_console_output(const char* str)
+void rt_hw_console_output(const char *str)
 {
 	while (*str)
 	{

bsp/mb9bf506r/fm3_rom.ld

@@ -2,7 +2,7 @@
 MEMORY
 {
     CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00080000
-    DATA (rw) : ORIGIN = 0x1FFFC000, LENGTH = 0x00010000
+    DATA (rw) : ORIGIN = 0x1FFF8000, LENGTH = 0x00010000
 }
 ENTRY(Reset_Handler)
 

bsp/mb9bf506r/rtconfig.h

@@ -2,17 +2,17 @@
 #ifndef __RTTHREAD_CFG_H__
 #define __RTTHREAD_CFG_H__
 
-/* RT_NAME_MAX*/
-#define RT_NAME_MAX		        8
+/* RT_NAME_MAX */
+#define RT_NAME_MAX				8
 
-/* RT_ALIGN_SIZE*/
-#define RT_ALIGN_SIZE	        8
+/* RT_ALIGN_SIZE */
+#define RT_ALIGN_SIZE			8
 
 /* PRIORITY_MAX */
 #define RT_THREAD_PRIORITY_MAX	32
 
 /* Tick per Second */
-#define RT_TICK_PER_SECOND	100
+#define RT_TICK_PER_SECOND		100
 
 /* SECTION: RT_DEBUG */
 /* Thread Debug */
@@ -52,14 +52,16 @@
 /* Using Device System */
 #define RT_USING_DEVICE
 /* RT_USING_UART */
-#define RT_USING_UART2
+#define RT_USING_UART0
 #define RT_UART_RX_BUFFER_SIZE	64
 
 /* SECTION: Console options */
 /* #define RT_TINY_SIZE */
 #define RT_USING_CONSOLE
 /* the buffer size of console */
-#define RT_CONSOLEBUF_SIZE	128
+#define RT_CONSOLEBUF_SIZE		128
+/* the device used by console */
+#define RT_CONSOLE_DEVICE_NAME	"uart0"
 
 /* SECTION: finsh, a C-Express shell */
 /* Using FinSH as Shell*/
@@ -67,23 +69,24 @@
 /* Using symbol table */
 #define FINSH_USING_SYMTAB
 #define FINSH_USING_DESCRIPTION
-#define FINSH_THREAD_STACK_SIZE 1024
+#define FINSH_THREAD_STACK_SIZE	1024
+#define FINSH_DEVICE_NAME		RT_CONSOLE_DEVICE_NAME
 
 /* SECTION: Device filesystem support */
 /* using DFS support */
 #define RT_USING_DFS
 #define RT_USING_DFS_ELMFAT
-/* use long file name feature 			*/
+/* use long file name feature */
 /* #define RT_DFS_ELM_USE_LFN */
-/* the max number of file length 		*/
-#define RT_DFS_ELM_MAX_LFN			32
+/* the max number of file length */
+#define RT_DFS_ELM_MAX_LFN		32
 /* #define RT_USING_DFS_UFFS */
 /* #define RT_USING_DFS_DEVFS */
 
 /* the max number of mounted filesystem */
-#define DFS_FILESYSTEMS_MAX			2
-/* the max number of opened files 		*/
-#define DFS_FD_MAX					8
+#define DFS_FILESYSTEMS_MAX		2
+/* the max number of opened files */
+#define DFS_FD_MAX				8
 /* using working directory */
 #define DFS_USING_WORKDIR
 

bsp/mb9bf506r/serial.c

@@ -20,15 +20,17 @@
 /**
  * @addtogroup FM3 MB9B500
  */
+ 
 /*@{*/
 
 /* RT-Thread Device Interface */
+
 /**
  * This function initializes serial
  */
-static rt_err_t rt_serial_init (rt_device_t dev)
+static rt_err_t rt_serial_init(rt_device_t dev)
 {
-	struct serial_device* uart = (struct serial_device*) dev->user_data;
+	struct serial_device *uart = (struct serial_device*)dev->user_data;
 
 	if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
 	{
@@ -53,7 +55,7 @@ static rt_err_t rt_serial_init (rt_device_t dev)
 }
 
 /* save a char to serial buffer */
-static void rt_serial_savechar(struct serial_device* uart, char ch)
+static void rt_serial_savechar(struct serial_device *uart, char ch)
 {
 	rt_base_t level;
 	
@@ -79,10 +81,10 @@ static void rt_serial_savechar(struct serial_device* uart, char ch)
 
 static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
 {
-	struct serial_device* uart;
+	struct serial_device *uart;
 	
 	RT_ASSERT(dev != RT_NULL);
-	uart = (struct serial_device*) dev->user_data;
+	uart = (struct serial_device*)dev->user_data;
 
 	if (dev->flag & RT_DEVICE_FLAG_INT_RX)
 	{
@@ -95,10 +97,10 @@ static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
 
 static rt_err_t rt_serial_close(rt_device_t dev)
 {	
-	struct serial_device* uart;
+	struct serial_device *uart;
 	
 	RT_ASSERT(dev != RT_NULL);
-	uart = (struct serial_device*) dev->user_data;
+	uart = (struct serial_device*)dev->user_data;
 
 	if (dev->flag & RT_DEVICE_FLAG_INT_RX)
 	{
@@ -109,12 +111,12 @@ static rt_err_t rt_serial_close(rt_device_t dev)
 	return RT_EOK;
 }
 
-static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, 
+static rt_size_t rt_serial_read(rt_device_t dev, rt_off_t pos, void *buffer, 
                                  rt_size_t size)
 {
-	rt_uint8_t* ptr;
+	rt_uint8_t *ptr;
 	rt_err_t err_code;
-	struct serial_device* uart;
+	struct serial_device *uart;
 	
 	ptr = buffer;
 	err_code = RT_EOK;
@@ -165,15 +167,16 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer,
 
 	/* set error code */
 	rt_set_errno(err_code);
+	
 	return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
 }
 
-static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, 
-                                  const void* buffer, rt_size_t size)
+static rt_size_t rt_serial_write(rt_device_t dev, rt_off_t pos, 
+                                 const void *buffer, rt_size_t size)
 {
-	rt_uint8_t* ptr;
+	rt_uint8_t *ptr;
 	rt_err_t err_code;
-	struct serial_device* uart;
+	struct serial_device *uart;
 	
 	err_code = RT_EOK;
 	ptr = (rt_uint8_t*)buffer;
@@ -219,7 +222,8 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos,
 			while (!(uart->uart_device->SSR & SSR_TDRE));
 			uart->uart_device->TDR = (*ptr & 0x1FF);
 
-			++ptr; --size;
+			++ptr;
+			--size;
 		}
 	}	
 
@@ -229,7 +233,7 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos,
 	return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
 }
 
-static rt_err_t rt_serial_control (rt_device_t dev, rt_uint8_t cmd, void *args)
+static rt_err_t rt_serial_control(rt_device_t dev, rt_uint8_t cmd, void *args)
 {
 	RT_ASSERT(dev != RT_NULL);
 
@@ -252,7 +256,7 @@ static rt_err_t rt_serial_control (rt_device_t dev, rt_uint8_t cmd, void *args)
 /*
  * serial register
  */
-rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, 
+rt_err_t rt_hw_serial_register(rt_device_t device, const char *name, 
                                rt_uint32_t flag, struct serial_device *serial)
 {
 	RT_ASSERT(device != RT_NULL);
@@ -275,7 +279,7 @@ rt_err_t rt_hw_serial_register(rt_device_t device, const char* name,
 /* ISR for serial interrupt */
 void rt_hw_serial_isr(rt_device_t device)
 {
-	struct serial_device* uart = (struct serial_device*) device->user_data;
+	struct serial_device *uart = (struct serial_device*)device->user_data;
 	
 	/* interrupt mode receive */	
 	RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);
@@ -300,6 +304,30 @@ void rt_hw_serial_isr(rt_device_t device)
 	}	
 }
 
+#ifdef RT_USING_UART0
+/* UART0 device driver structure */
+#define UART0	FM3_MFS0_UART
+struct serial_int_rx uart0_int_rx;
+struct serial_device uart0 =
+{
+	UART0,
+	MFS0RX_IRQn,
+	MFS0TX_IRQn,
+	&uart0_int_rx,
+	RT_NULL
+};
+struct rt_device uart0_device;
+
+void MFS0RX_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    rt_hw_serial_isr(&uart0_device);
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+#endif
+
 #ifdef RT_USING_UART2
 /* UART2 device driver structure */
 #define UART2	FM3_MFS2_UART
@@ -326,6 +354,24 @@ void MFS2RX_IRQHandler(void)
 
 void rt_hw_serial_init(void)
 {	
+#ifdef RT_USING_UART0
+	/* initialize UART0 */
+    /* Set Uart Ch0 Port, SIN0_0, SOT0_0 */
+    FM3_GPIO->PFR2 = FM3_GPIO->PFR2 | 0x0006;
+    FM3_GPIO->EPFR07 = FM3_GPIO->EPFR07 | 0x00000040;	
+
+	uart0.uart_device->SMR	= SMR_MD_UART | SMR_SOE;;
+	uart0.uart_device->BGR	= (40000000UL + (BPS/2))/BPS - 1;
+	uart0.uart_device->ESCR	= ESCR_DATABITS_8;
+	uart0.uart_device->SCR	= SCR_RXE | SCR_TXE | SCR_RIE;
+
+	/* register UART2 device */
+	rt_hw_serial_register(&uart0_device, 
+		"uart0", 
+		RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
+		&uart0);
+#endif
+
 #ifdef RT_USING_UART2
 	/* initialize UART2 */
     /* Set Uart Ch2 Port, SIN2_1, SOT2_1 */

bsp/mb9bf506r/startup.c

 /*
  * File      : startup.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 - 2011, RT-Thread Development Team
+ * COPYRIGHT (C) 2009 - 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
@@ -88,7 +88,7 @@ void rtthread_startup(void)
 	/* init finsh */
 	finsh_system_init();
 #ifdef RT_USING_DEVICE
-	finsh_set_device("uart2");
+	finsh_set_device(FINSH_DEVICE_NAME);
 #endif
 #endif