update stm32f40x bsp

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1774 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
wuyangyong 2011-10-27 02:31:34 +00:00
parent 8e7398e010
commit a5f688d282
12 changed files with 1575 additions and 0 deletions

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Import('RTT_ROOT')
Import('rtconfig')
from building import *
cwd = os.path.join(str(Dir('#')), 'applications')
src = Glob('*.c')
CPPPATH = [cwd, str(Dir('#'))]
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
Return('group')

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/*
* 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
* 2009-01-05 Bernard the first version
*/
/**
* @addtogroup STM32
*/
/*@{*/
#include "stm32f4xx.h"
#include <board.h>
#include <rtthread.h>
#ifdef RT_USING_LWIP
#include <lwip/sys.h>
#include <lwip/api.h>
#include <netif/ethernetif.h>
#include "stm32_eth.h"
#endif
void rt_init_thread_entry(void* parameter)
{
/* LwIP Initialization */
#ifdef RT_USING_LWIP
{
extern void lwip_sys_init(void);
/* register ethernetif device */
eth_system_device_init();
rt_hw_stm32_eth_init();
/* re-init device driver */
rt_device_init_all();
/* init lwip system */
lwip_sys_init();
rt_kprintf("TCP/IP initialized!\n");
}
{
extern void eth_to_can_init(void);
extern void can_to_eth_init(void);
extern void upnp_init(void);
extern void setting_init(void);
setting_init();
eth_to_can_init();
can_to_eth_init();
upnp_init();
}
#endif
}
ALIGN(RT_ALIGN_SIZE)
static char thread_led_stack[1024];
struct rt_thread thread_led;
static void rt_thread_entry_led(void* parameter)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* GPIOD Periph clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Configure PD12, PD13, PD14 and PD15 in output pushpull mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13| GPIO_Pin_14| GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOD, &GPIO_InitStructure);
while (1)
{
/* PD12 to be toggled */
GPIO_SetBits(GPIOD, GPIO_Pin_12);
/* Insert delay */
rt_thread_delay(RT_TICK_PER_SECOND/2);
/* PD13 to be toggled */
GPIO_SetBits(GPIOD, GPIO_Pin_13);
/* Insert delay */
rt_thread_delay(RT_TICK_PER_SECOND/2);
/* PD14 to be toggled */
GPIO_SetBits(GPIOD, GPIO_Pin_14);
/* Insert delay */
rt_thread_delay(RT_TICK_PER_SECOND/2);
/* PD15 to be toggled */
GPIO_SetBits(GPIOD, GPIO_Pin_15);
/* Insert delay */
rt_thread_delay(RT_TICK_PER_SECOND*2);
GPIO_ResetBits(GPIOD, GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15);
/* Insert delay */
rt_thread_delay(RT_TICK_PER_SECOND);
}
}
int rt_application_init()
{
// rt_thread_t init_thread;
//
//#if (RT_THREAD_PRIORITY_MAX == 32)
// init_thread = rt_thread_create("init",
// rt_init_thread_entry, RT_NULL,
// 2048, 8, 20);
//#else
// init_thread = rt_thread_create("init",
// rt_init_thread_entry, RT_NULL,
// 2048, 80, 20);
//#endif
//
// if (init_thread != RT_NULL)
// rt_thread_startup(init_thread);
//------- init led1 thread
rt_thread_init(&thread_led,
"led",
rt_thread_entry_led,
RT_NULL,
&thread_led_stack[0],
1024,11,5);
// sizeof(thread_led_stack),11,5);
rt_thread_startup(&thread_led);
return 0;
}
/*@}*/

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/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Develop 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
*
* Change Logs:
* Date Author Notes
* 2006-08-31 Bernard first implementation
* 2011-06-05 Bernard modify for STM32F107 version
*/
#include <rthw.h>
#include <rtthread.h>
#include "stm32f4xx.h"
#include "board.h"
/**
* @addtogroup STM32
*/
/*@{*/
extern int rt_application_init(void);
#ifdef RT_USING_FINSH
extern void finsh_system_init(void);
extern void finsh_set_device(const char* device);
#endif
#ifdef __CC_ARM
//extern int Image$$RW_IRAM1$$ZI$$Limit;
extern int Image$$ER_ZI$$ZI$$Limit;
#elif __ICCARM__
#pragma section="HEAP"
#else
extern int __bss_end;
#endif
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert error has occurred.
* Input : - file: pointer to the source file name
* - line: assert error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{
rt_kprintf("\n\r Wrong parameter value detected on\r\n");
rt_kprintf(" file %s\r\n", file);
rt_kprintf(" line %d\r\n", line);
while (1) ;
}
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* init board */
rt_hw_board_init();
/* show version */
rt_show_version();
/* init tick */
rt_system_tick_init();
/* init kernel object */
rt_system_object_init();
/* init timer system */
rt_system_timer_init();
#ifdef RT_USING_HEAP
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$ER_ZI$$ZI$$Limit, (void*)STM32_SRAM_END);
#elif __ICCARM__
rt_system_heap_init(__segment_end("HEAP"), (void*)STM32_SRAM_END);
#else
/* init memory system */
rt_system_heap_init((void*)&__bss_end, (void*)STM32_SRAM_END);
#endif
#endif
/* init scheduler system */
rt_system_scheduler_init();
/* init all device */
rt_device_init_all();
/* init application */
rt_application_init();
#ifdef RT_USING_FINSH
/* init finsh */
finsh_system_init();
finsh_set_device( FINSH_DEVICE_NAME );
#endif
/* init timer thread */
rt_system_timer_thread_init();
/* init idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
int main(void)
{
/* disable interrupt first */
rt_hw_interrupt_disable();
/* startup RT-Thread RTOS */
rtthread_startup();
return 0;
}
/*@}*/

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Import('RTT_ROOT')
Import('rtconfig')
from building import *
cwd = os.path.join(str(Dir('#')), 'drivers')
src = Glob('*.c')
CPPPATH = [cwd]
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
Return('group')

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/*
* File : board.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 RT-Thread Develop 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 Bernard first implementation
*/
#include <rthw.h>
#include <rtthread.h>
#include "stm32f4xx.h"
#include "board.h"
/**
* @addtogroup STM32
*/
/*@{*/
/*******************************************************************************
* Function Name : NVIC_Configuration
* Description : Configures Vector Table base location.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void NVIC_Configuration(void)
{
#ifdef VECT_TAB_RAM
/* Set the Vector Table base location at 0x20000000 */
NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else /* VECT_TAB_FLASH */
/* Set the Vector Table base location at 0x08000000 */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
}
/*******************************************************************************
* Function Name : SysTick_Configuration
* Description : Configures the SysTick for OS tick.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void SysTick_Configuration(void)
{
RCC_ClocksTypeDef rcc_clocks;
rt_uint32_t cnts;
RCC_GetClocksFreq(&rcc_clocks);
cnts = (rt_uint32_t)rcc_clocks.HCLK_Frequency / RT_TICK_PER_SECOND;
cnts = cnts / 8;
SysTick_Config(cnts);
SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK_Div8);
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This function will initial STM32 board.
*/
void rt_hw_board_init()
{
/* NVIC Configuration */
NVIC_Configuration();
/* Configure the SysTick */
SysTick_Configuration();
rt_hw_usart_init();
#ifdef RT_USING_CONSOLE
rt_console_set_device(CONSOLE_DEVICE);
#endif
}
/*@}*/

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/*
* File : board.h
* 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
* 2009-09-22 Bernard add board.h to this bsp
*/
// <<< Use Configuration Wizard in Context Menu >>>
#ifndef __BOARD_H__
#define __BOARD_H__
/* board configuration */
// <o> SDCard Driver <1=>SDIO sdcard <0=>SPI MMC card
// <i>Default: 1
#define STM32_USE_SDIO 0
/* whether use board external SRAM memory */
// <e>Use external SRAM memory on the board
// <i>Enable External SRAM memory
#define STM32_EXT_SRAM 0
// <o>Begin Address of External SRAM
// <i>Default: 0x68000000
#define STM32_EXT_SRAM_BEGIN 0x68000000 /* the begining address of external SRAM */
// <o>End Address of External SRAM
// <i>Default: 0x68080000
#define STM32_EXT_SRAM_END 0x68080000 /* the end address of external SRAM */
// </e>
// <o> Internal SRAM memory size[Kbytes] <8-64>
// <i>Default: 64
#define STM32_SRAM_SIZE 64
#define STM32_SRAM_END (0x20000000 + STM32_SRAM_SIZE * 1024)
#define RT_USING_UART2
// <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3
// <i>Default: 1
#define STM32_CONSOLE_USART 2
void rt_hw_board_init(void);
#if STM32_CONSOLE_USART == 0
#define CONSOLE_DEVICE "no"
#elif STM32_CONSOLE_USART == 1
#define CONSOLE_DEVICE "uart1"
#elif STM32_CONSOLE_USART == 2
#define CONSOLE_DEVICE "uart2"
#elif STM32_CONSOLE_USART == 3
#define CONSOLE_DEVICE "uart3"
#endif
#define FINSH_DEVICE_NAME CONSOLE_DEVICE
void rt_hw_usart_init(void);
/* SD Card init function */
void rt_hw_msd_init(void);
#endif
// <<< Use Configuration Wizard in Context Menu >>>

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/*
* File : serial.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
* 2009-02-05 Bernard first version
* 2009-10-25 Bernard fix rt_serial_read bug when there is no data
* in the buffer.
* 2010-03-29 Bernard cleanup code.
*/
#include "serial.h"
#include "stm32f4xx.h"
//#include <stm32f10x_dma.h>
//#include <stm32f10x_usart.h>
static void rt_serial_enable_dma(DMA_Stream_TypeDef* dma_channel,
rt_uint32_t address, rt_uint32_t size);
/**
* @addtogroup STM32
*/
/*@{*/
/* RT-Thread Device Interface */
static rt_err_t rt_serial_init (rt_device_t dev)
{
struct stm32_serial_device* uart = (struct stm32_serial_device*) dev->user_data;
if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
{
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
{
rt_memset(uart->int_rx->rx_buffer, 0,
sizeof(uart->int_rx->rx_buffer));
uart->int_rx->read_index = 0;
uart->int_rx->save_index = 0;
}
if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
{
RT_ASSERT(uart->dma_tx->dma_channel != RT_NULL);
uart->dma_tx->list_head = uart->dma_tx->list_tail = RT_NULL;
/* init data node memory pool */
rt_mp_init(&(uart->dma_tx->data_node_mp), "dn",
uart->dma_tx->data_node_mem_pool,
sizeof(uart->dma_tx->data_node_mem_pool),
sizeof(struct stm32_serial_data_node));
}
/* Enable USART */
USART_Cmd(uart->uart_device, ENABLE);
dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
}
return RT_EOK;
}
static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
{
return RT_EOK;
}
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, rt_size_t size)
{
rt_uint8_t* ptr;
rt_err_t err_code;
struct stm32_serial_device* uart;
ptr = buffer;
err_code = RT_EOK;
uart = (struct stm32_serial_device*)dev->user_data;
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
{
/* interrupt mode Rx */
while (size)
{
rt_base_t level;
/* disable interrupt */
level = rt_hw_interrupt_disable();
if (uart->int_rx->read_index != uart->int_rx->save_index)
{
/* read a character */
*ptr++ = uart->int_rx->rx_buffer[uart->int_rx->read_index];
size--;
/* move to next position */
uart->int_rx->read_index ++;
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->read_index = 0;
}
else
{
/* set error code */
err_code = -RT_EEMPTY;
/* enable interrupt */
rt_hw_interrupt_enable(level);
break;
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
}
else
{
/* polling mode */
while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size)
{
while (uart->uart_device->SR & USART_FLAG_RXNE)
{
*ptr = uart->uart_device->DR & 0xff;
ptr ++;
}
}
}
/* set error code */
rt_set_errno(err_code);
return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
}
static void rt_serial_enable_dma(DMA_Stream_TypeDef* dma_channel,
rt_uint32_t address, rt_uint32_t size)
{
RT_ASSERT(dma_channel != RT_NULL);
/* disable DMA */
DMA_Cmd(dma_channel, DISABLE);
/* set buffer address */
// dma_channel->CMAR = address;
/* set size */
// dma_channel->CNDTR = size;
/* enable DMA */
DMA_Cmd(dma_channel, ENABLE);
}
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_err_t err_code;
struct stm32_serial_device* uart;
err_code = RT_EOK;
ptr = (rt_uint8_t*)buffer;
uart = (struct stm32_serial_device*)dev->user_data;
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
{
/* interrupt mode Tx, does not support */
RT_ASSERT(0);
}
else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
{
/* DMA mode Tx */
/* allocate a data node */
struct stm32_serial_data_node* data_node = (struct stm32_serial_data_node*)
rt_mp_alloc (&(uart->dma_tx->data_node_mp), RT_WAITING_FOREVER);
if (data_node == RT_NULL)
{
/* set error code */
err_code = -RT_ENOMEM;
}
else
{
rt_uint32_t level;
/* fill data node */
data_node->data_ptr = ptr;
data_node->data_size = size;
/* insert to data link */
data_node->next = RT_NULL;
/* disable interrupt */
level = rt_hw_interrupt_disable();
data_node->prev = uart->dma_tx->list_tail;
if (uart->dma_tx->list_tail != RT_NULL)
uart->dma_tx->list_tail->next = data_node;
uart->dma_tx->list_tail = data_node;
if (uart->dma_tx->list_head == RT_NULL)
{
/* start DMA to transmit data */
uart->dma_tx->list_head = data_node;
/* Enable DMA Channel */
rt_serial_enable_dma(uart->dma_tx->dma_channel,
(rt_uint32_t)uart->dma_tx->list_head->data_ptr,
uart->dma_tx->list_head->data_size);
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
}
else
{
/* polling mode */
if (dev->flag & RT_DEVICE_FLAG_STREAM)
{
/* stream mode */
while (size)
{
if (*ptr == '\n')
{
while (!(uart->uart_device->SR & USART_FLAG_TXE));
uart->uart_device->DR = '\r';
}
while (!(uart->uart_device->SR & USART_FLAG_TXE));
uart->uart_device->DR = (*ptr & 0x1FF);
++ptr; --size;
}
}
else
{
/* write data directly */
while (size)
{
while (!(uart->uart_device->SR & USART_FLAG_TXE));
uart->uart_device->DR = (*ptr & 0x1FF);
++ptr; --size;
}
}
}
/* set error code */
rt_set_errno(err_code);
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)
{
struct stm32_serial_device* uart;
RT_ASSERT(dev != RT_NULL);
uart = (struct stm32_serial_device*)dev->user_data;
switch (cmd)
{
case RT_DEVICE_CTRL_SUSPEND:
/* suspend device */
dev->flag |= RT_DEVICE_FLAG_SUSPENDED;
USART_Cmd(uart->uart_device, DISABLE);
break;
case RT_DEVICE_CTRL_RESUME:
/* resume device */
dev->flag &= ~RT_DEVICE_FLAG_SUSPENDED;
USART_Cmd(uart->uart_device, ENABLE);
break;
}
return RT_EOK;
}
/*
* serial register for STM32
* support STM32F103VB and STM32F103ZE
*/
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct stm32_serial_device *serial)
{
RT_ASSERT(device != RT_NULL);
if ((flag & RT_DEVICE_FLAG_DMA_RX) ||
(flag & RT_DEVICE_FLAG_INT_TX))
{
RT_ASSERT(0);
}
device->type = RT_Device_Class_Char;
device->rx_indicate = RT_NULL;
device->tx_complete = RT_NULL;
device->init = rt_serial_init;
device->open = rt_serial_open;
device->close = rt_serial_close;
device->read = rt_serial_read;
device->write = rt_serial_write;
device->control = rt_serial_control;
device->user_data = serial;
/* register a character device */
return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
}
/* ISR for serial interrupt */
void rt_hw_serial_isr(rt_device_t device)
{
struct stm32_serial_device* uart = (struct stm32_serial_device*) device->user_data;
if(USART_GetITStatus(uart->uart_device, USART_IT_RXNE) != RESET)
{
/* interrupt mode receive */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);
/* save on rx buffer */
while (uart->uart_device->SR & USART_FLAG_RXNE)
{
rt_base_t level;
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* save character */
uart->int_rx->rx_buffer[uart->int_rx->save_index] = uart->uart_device->DR & 0xff;
uart->int_rx->save_index ++;
if (uart->int_rx->save_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->save_index = 0;
/* if the next position is read index, discard this 'read char' */
if (uart->int_rx->save_index == uart->int_rx->read_index)
{
uart->int_rx->read_index ++;
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->read_index = 0;
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
/* invoke callback */
if (device->rx_indicate != RT_NULL)
{
rt_size_t rx_length;
/* get rx length */
rx_length = uart->int_rx->read_index > uart->int_rx->save_index ?
UART_RX_BUFFER_SIZE - uart->int_rx->read_index + uart->int_rx->save_index :
uart->int_rx->save_index - uart->int_rx->read_index;
device->rx_indicate(device, rx_length);
}
}
if (USART_GetITStatus(uart->uart_device, USART_IT_TC) != RESET)
{
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_TC);
}
}
/*
* ISR for DMA mode Tx
*/
void rt_hw_serial_dma_tx_isr(rt_device_t device)
{
rt_uint32_t level;
struct stm32_serial_data_node* data_node;
struct stm32_serial_device* uart = (struct stm32_serial_device*) device->user_data;
/* DMA mode receive */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_DMA_TX);
/* get the first data node */
data_node = uart->dma_tx->list_head;
RT_ASSERT(data_node != RT_NULL);
/* invoke call to notify tx complete */
if (device->tx_complete != RT_NULL)
device->tx_complete(device, data_node->data_ptr);
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* remove list head */
uart->dma_tx->list_head = data_node->next;
if (uart->dma_tx->list_head == RT_NULL) /* data link empty */
uart->dma_tx->list_tail = RT_NULL;
/* enable interrupt */
rt_hw_interrupt_enable(level);
/* release data node memory */
rt_mp_free(data_node);
if (uart->dma_tx->list_head != RT_NULL)
{
/* transmit next data node */
rt_serial_enable_dma(uart->dma_tx->dma_channel,
(rt_uint32_t)uart->dma_tx->list_head->data_ptr,
uart->dma_tx->list_head->data_size);
}
else
{
/* no data to be transmitted, disable DMA */
DMA_Cmd(uart->dma_tx->dma_channel, DISABLE);
}
}
/*@}*/

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/*
* File : serial.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 - 2010, 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 Bernard first version
* 2010-03-29 Bernard remove interrupt tx and DMA rx mode.
*/
#ifndef __RT_HW_SERIAL_H__
#define __RT_HW_SERIAL_H__
#include <rthw.h>
#include <rtthread.h>
/* STM32F10x library definitions */
#include "stm32f4xx.h"
//#include <stm32f10x.h>
#define UART_RX_BUFFER_SIZE 128
#define UART_TX_DMA_NODE_SIZE 4
/* data node for Tx Mode */
struct stm32_serial_data_node
{
rt_uint8_t *data_ptr;
rt_size_t data_size;
struct stm32_serial_data_node *next, *prev;
};
struct stm32_serial_dma_tx
{
/* DMA Channel */
// DMA_Channel_TypeDef* dma_channel;
DMA_Stream_TypeDef* dma_channel;
/* data list head and tail */
struct stm32_serial_data_node *list_head, *list_tail;
/* data node memory pool */
struct rt_mempool data_node_mp;
rt_uint8_t data_node_mem_pool[UART_TX_DMA_NODE_SIZE *
(sizeof(struct stm32_serial_data_node) + sizeof(void*))];
};
struct stm32_serial_int_rx
{
rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
rt_uint32_t read_index, save_index;
};
struct stm32_serial_device
{
USART_TypeDef* uart_device;
/* rx structure */
struct stm32_serial_int_rx* int_rx;
/* tx structure */
struct stm32_serial_dma_tx* dma_tx;
};
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct stm32_serial_device *serial);
void rt_hw_serial_isr(rt_device_t device);
void rt_hw_serial_dma_tx_isr(rt_device_t device);
#endif

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/**
******************************************************************************
* @file IO_Toggle/stm32f4xx_conf.h
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief Library configuration file.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_CONF_H
#define __STM32F4xx_CONF_H
#if defined (HSE_VALUE)
/* Redefine the HSE value; it's equal to 8 MHz on the STM32F4-DISCOVERY Kit */
#undef HSE_VALUE
#define HSE_VALUE ((uint32_t)8000000)
#endif /* HSE_VALUE */
/* Includes ------------------------------------------------------------------*/
/* Uncomment the line below to enable peripheral header file inclusion */
#include "stm32f4xx_adc.h"
#include "stm32f4xx_can.h"
#include "stm32f4xx_crc.h"
#include "stm32f4xx_cryp.h"
#include "stm32f4xx_dac.h"
#include "stm32f4xx_dbgmcu.h"
#include "stm32f4xx_dcmi.h"
#include "stm32f4xx_dma.h"
#include "stm32f4xx_exti.h"
#include "stm32f4xx_flash.h"
#include "stm32f4xx_fsmc.h"
#include "stm32f4xx_hash.h"
#include "stm32f4xx_gpio.h"
#include "stm32f4xx_i2c.h"
#include "stm32f4xx_iwdg.h"
#include "stm32f4xx_pwr.h"
#include "stm32f4xx_rcc.h"
#include "stm32f4xx_rng.h"
#include "stm32f4xx_rtc.h"
#include "stm32f4xx_sdio.h"
#include "stm32f4xx_spi.h"
#include "stm32f4xx_syscfg.h"
#include "stm32f4xx_tim.h"
#include "stm32f4xx_usart.h"
#include "stm32f4xx_wwdg.h"
#include "misc.h" /* High level functions for NVIC and SysTick (add-on to CMSIS functions) */
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* If an external clock source is used, then the value of the following define
should be set to the value of the external clock source, else, if no external
clock is used, keep this define commented */
/*#define I2S_EXTERNAL_CLOCK_VAL 12288000 */ /* Value of the external clock in Hz */
/* Uncomment the line below to expanse the "assert_param" macro in the
Standard Peripheral Library drivers code */
#define USE_FULL_ASSERT 1
/* Exported macro ------------------------------------------------------------*/
#ifdef USE_FULL_ASSERT
/**
* @brief The assert_param macro is used for function's parameters check.
* @param expr: If expr is false, it calls assert_failed function
* which reports the name of the source file and the source
* line number of the call that failed.
* If expr is true, it returns no value.
* @retval None
*/
#define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(uint8_t* file, uint32_t line);
#else
#define assert_param(expr) ((void)0)
#endif /* USE_FULL_ASSERT */
#endif /* __STM32F4xx_CONF_H */
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file IO_Toggle/stm32f4xx_it.c
* @author MCD Application Team
* @version V1.0.0
* @date 19-September-2011
* @brief Main Interrupt Service Routines.
* This file provides template for all exceptions handler and
* peripherals interrupt service routine.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
#include <rtthread.h>
#include "board.h"
/** @addtogroup STM32F4_Discovery_Peripheral_Examples
* @{
*/
/** @addtogroup IO_Toggle
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/******************************************************************************/
/* Cortex-M4 Processor Exceptions Handlers */
/******************************************************************************/
/**
* @brief This function handles NMI exception.
* @param None
* @retval None
*/
void NMI_Handler(void)
{
}
/**
* @brief This function handles Hard Fault exception.
* @param None
* @retval None
*/
//void HardFault_Handler(void)
//{
// // definition in libcpu/arm/cortex-m4/context_*.S
//}
/**
* @brief This function handles Memory Manage exception.
* @param None
* @retval None
*/
void MemManage_Handler(void)
{
/* Go to infinite loop when Memory Manage exception occurs */
while (1)
{
}
}
/**
* @brief This function handles Bus Fault exception.
* @param None
* @retval None
*/
void BusFault_Handler(void)
{
/* Go to infinite loop when Bus Fault exception occurs */
while (1)
{
}
}
/**
* @brief This function handles Usage Fault exception.
* @param None
* @retval None
*/
void UsageFault_Handler(void)
{
/* Go to infinite loop when Usage Fault exception occurs */
while (1)
{
}
}
/**
* @brief This function handles SVCall exception.
* @param None
* @retval None
*/
void SVC_Handler(void)
{
}
/**
* @brief This function handles Debug Monitor exception.
* @param None
* @retval None
*/
void DebugMon_Handler(void)
{
}
/**
* @brief This function handles PendSVC exception.
* @param None
* @retval None
*/
//void PendSV_Handler(void)
//{
// // definition in libcpu/arm/cortex-m4/context_*.S
//}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
//void SysTick_Handler(void)
//{
// // definition in boarc.c
//}
/******************************************************************************/
/* STM32F4xx Peripherals Interrupt Handlers */
/* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
/* available peripheral interrupt handler's name please refer to the startup */
/* file (startup_stm32f4xx.s). */
/******************************************************************************/
/**
* @brief This function handles PPP interrupt request.
* @param None
* @retval None
*/
/*void PPP_IRQHandler(void)
{
}*/
void USART2_IRQHandler(void)
{
#ifdef RT_USING_UART2
extern struct rt_device uart2_device;
extern void rt_hw_serial_isr(struct rt_device *device);
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&uart2_device);
/* leave interrupt */
rt_interrupt_leave();
#endif
}
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/*
* 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 Bernard the first version
* 2010-03-29 Bernard remove interrupt Tx and DMA Rx mode
*/
#include "stm32f4xx.h"
#include "usart.h"
#include "board.h"
#include <serial.h>
/*
* Use UART1 as console output and finsh input
* interrupt Rx and poll Tx (stream mode)
*
* Use UART2 with interrupt Rx and poll Tx
* Use UART3 with DMA Tx and interrupt Rx -- DMA channel 2
*
* USART DMA setting on STM32
* USART1 Tx --> DMA Channel 4
* USART1 Rx --> DMA Channel 5
* USART2 Tx --> DMA Channel 7
* USART2 Rx --> DMA Channel 6
* USART3 Tx --> DMA Channel 2
* USART3 Rx --> DMA Channel 3
*/
#ifdef RT_USING_UART1
struct stm32_serial_int_rx uart1_int_rx;
struct stm32_serial_device uart1 =
{
USART1,
&uart1_int_rx,
RT_NULL
};
struct rt_device uart1_device;
#endif
#ifdef RT_USING_UART2
struct stm32_serial_int_rx uart2_int_rx;
struct stm32_serial_device uart2 =
{
USART2,
&uart2_int_rx,
RT_NULL
};
struct rt_device uart2_device;
#endif
#ifdef RT_USING_UART3
struct stm32_serial_int_rx uart3_int_rx;
struct stm32_serial_dma_tx uart3_dma_tx;
struct stm32_serial_device uart3 =
{
USART3,
&uart3_int_rx,
&uart3_dma_tx
};
struct rt_device uart3_device;
#endif
#define USART1_DR_Base 0x40013804
#define USART2_DR_Base 0x40004404
#define USART3_DR_Base 0x40004804
/* USART1_REMAP = 0 */
#define UART1_GPIO_TX GPIO_Pin_9
#define UART1_GPIO_RX GPIO_Pin_10
#define UART1_GPIO GPIOA
#define RCC_APBPeriph_UART1 RCC_APB2Periph_USART1
#define UART1_TX_DMA DMA1_Channel4
#define UART1_RX_DMA DMA1_Channel5
#define UART2_GPIO_TX GPIO_Pin_2
#define UART2_GPIO_RX GPIO_Pin_3
#define UART2_GPIO GPIOA
#define RCC_APBPeriph_UART2 RCC_APB1Periph_USART2
/* USART3_REMAP[1:0] = 00 */
#define UART3_GPIO_RX GPIO_Pin_11
#define UART3_GPIO_TX GPIO_Pin_10
#define UART3_GPIO GPIOB
#define RCC_APBPeriph_UART3 RCC_APB1Periph_USART3
#define UART3_TX_DMA DMA1_Channel2
#define UART3_RX_DMA DMA1_Channel3
static void RCC_Configuration(void)
{
#ifdef RT_USING_UART1
/* Enable USART1 and GPIOA clocks */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
#endif
#ifdef RT_USING_UART2
/* Enable USART2 and GPIOA clocks */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
/* Enable USART2 clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
#endif
#ifdef RT_USING_UART3
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
/* Enable USART3 clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
/* DMA clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
#endif
}
static void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
#ifdef RT_USING_UART1
/* Configure USART1 Rx (PA.10) as input floating */
GPIO_InitStructure.GPIO_Pin = UART1_GPIO_RX;
GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
/* Configure USART1 Tx (PA.09) as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = UART1_GPIO_TX;
GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
#endif
#ifdef RT_USING_UART2
GPIO_InitStructure.GPIO_Pin = UART2_GPIO_TX|UART2_GPIO_RX;
GPIO_Init(UART2_GPIO, &GPIO_InitStructure);
/* Connect alternate function */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_USART2);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource3, GPIO_AF_USART2);
#endif
#ifdef RT_USING_UART3
/* Configure USART3 Rx as input floating */
GPIO_InitStructure.GPIO_Pin = UART3_GPIO_RX;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
/* Configure USART3 Tx as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = UART3_GPIO_TX;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
#endif
}
static void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
#ifdef RT_USING_UART1
/* Enable the USART1 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
#endif
#ifdef RT_USING_UART2
/* Enable the USART2 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
#endif
#ifdef RT_USING_UART3
/* Enable the USART3 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the DMA1 Channel2 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
#endif
}
static void DMA_Configuration(void)
{
#if defined (RT_USING_UART3)
DMA_InitTypeDef DMA_InitStructure;
/* fill init structure */
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
/* DMA1 Channel5 (triggered by USART3 Tx event) Config */
DMA_DeInit(UART3_TX_DMA);
DMA_InitStructure.DMA_PeripheralBaseAddr = USART3_DR_Base;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)0;
DMA_InitStructure.DMA_BufferSize = 0;
DMA_Init(UART3_TX_DMA, &DMA_InitStructure);
DMA_ITConfig(UART3_TX_DMA, DMA_IT_TC | DMA_IT_TE, ENABLE);
DMA_ClearFlag(DMA1_FLAG_TC5);
#endif
}
volatile USART_TypeDef * uart2_debug = USART2;
/*
* Init all related hardware in here
* rt_hw_serial_init() will register all supported USART device
*/
void rt_hw_usart_init()
{
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;
RCC_Configuration();
GPIO_Configuration();
NVIC_Configuration();
DMA_Configuration();
/* uart init */
#ifdef RT_USING_UART1
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
USART_Init(USART1, &USART_InitStructure);
USART_ClockInit(USART1, &USART_ClockInitStructure);
/* register uart1 */
rt_hw_serial_register(&uart1_device, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
&uart1);
/* enable interrupt */
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
#endif
#ifdef RT_USING_UART2
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
USART_Init(USART2, &USART_InitStructure);
USART_ClockInit(USART2, &USART_ClockInitStructure);
/* register uart2 */
rt_hw_serial_register(&uart2_device, "uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
&uart2);
/* Enable USART2 DMA Rx request */
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
#endif
#ifdef RT_USING_UART3
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
USART_Init(USART3, &USART_InitStructure);
USART_ClockInit(USART3, &USART_ClockInitStructure);
uart3_dma_tx.dma_channel= UART3_TX_DMA;
/* register uart3 */
rt_hw_serial_register(&uart3_device, "uart3",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_DMA_TX,
&uart3);
/* Enable USART3 DMA Tx request */
USART_DMACmd(USART3, USART_DMAReq_Tx , ENABLE);
/* enable interrupt */
USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);
#endif
}

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/*
* File : usart.h
* 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 Bernard the first version
*/
#ifndef __USART_H__
#define __USART_H__
#include <rthw.h>
#include <rtthread.h>
void rt_hw_usart_init(void);
#endif