【添加】FreeRTOS Demo
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Maofeng
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/*
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*********************************************************************************************************
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*
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* BOARD SUPPORT PACKAGE
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*
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* ST Microelectronics STM32
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* with the
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* STM3210B-EVAL Evaluation Board
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*
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* Filename : bsp.c
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* Version : V1.00
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*********************************************************************************************************
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*/
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/*
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*********************************************************************************************************
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* INCLUDE FILES
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*********************************************************************************************************
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*/
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#define BSP_MODULE
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#include <FreeRTOS.h>
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#include <task.h>
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#include <bsp.h>
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#include <stdio.h>
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#include <cm_backtrace.h>
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/*
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*********************************************************************************************************
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* LOCAL TABLES
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*********************************************************************************************************
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*/
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#define DWT_CR *(CPU_REG32 *)0xE0001000
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#define DWT_CYCCNT *(CPU_REG32 *)0xE0001004
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#define DEM_CR *(CPU_REG32 *)0xE000EDFC
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#define DEM_CR_TRCENA (1 << 24)
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#define DWT_CR_CYCCNTENA (1 << 0)
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/*
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*********************************************************************************************************
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* LOCAL GLOBAL VARIABLES
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*********************************************************************************************************
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*/
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/*
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*********************************************************************************************************
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* LOCAL FUNCTION PROTOTYPES
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*********************************************************************************************************
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*/
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/**
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* RCC configuration
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*/
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static void RCC_Configuration(void)
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{
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//下面是给各模块开启时钟
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//启动GPIO
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | \
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RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD | \
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RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOG,
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ENABLE);
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//启动AFIO
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
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//启动USART1时钟
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
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//启动USART2时钟
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
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//启动DMA时钟
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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/* Enable ADC1 and GPIOC clock */
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
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/* Enable WWDG clock */
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE);
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}
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/**
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* NVIC Configuration
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*/
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static void NVIC_Configuration(void)
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{
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#if defined(VECT_TAB_RAM)
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// Set the Vector Table base location at 0x20000000
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NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x00);
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#elif defined(VECT_TAB_FLASH)
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// Set the Vector Table base location at 0x08000000
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NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x00);
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#elif defined(VECT_TAB_USER)
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// Set the Vector Table base location by user
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NVIC_SetVectorTable(NVIC_VectTab_FLASH, USER_VECTOR_TABLE);
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#endif
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}
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/**
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* GPIO Configuration
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*/
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static void GPIO_Configuration(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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GPIO_Init(GPIOD, &GPIO_InitStructure);
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GPIO_Init(GPIOE, &GPIO_InitStructure);
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GPIO_Init(GPIOF, &GPIO_InitStructure);
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GPIO_Init(GPIOG, &GPIO_InitStructure);
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/******************system run led*******************/
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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/* USART1_TX */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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/* USART1_RX */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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}
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/*******************************************************************************
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* Function Name : USART1_Configuration
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* Description : USART1 Configuration
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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void USART1_Configuration(void)
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{
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USART_InitTypeDef USART_InitStructure;
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USART_InitStructure.USART_BaudRate = 115200;
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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USART_InitStructure.USART_Parity = USART_Parity_No;
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USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
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USART_Init(USART1, &USART_InitStructure);
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USART_Cmd(USART1, ENABLE);
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while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
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}
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int fputc(int ch, FILE *f)
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{
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USART_SendData(USART1, (uint8_t) ch);
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/* Loop until the end of transmission */
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while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
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{}
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return ch;
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}
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int fgetc(FILE *f)
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{
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while(!(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == SET))
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{
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}
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return (USART_ReceiveData(USART1));
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}
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void assert_failed(u8* file, u32 line)
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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cm_backtrace_assert(cmb_get_sp());
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printf("assert failed at %s:%d \n", file, line);
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while (1) {
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}
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}
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void vApplicationStackOverflowHook(TaskHandle_t xTask, signed char *pcTaskName )
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{
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printf( "OverflowHook in %s \r\n", pcTaskName);
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while(1);
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}
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void delay(uint32_t nCount)
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{
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for(; nCount!= 0; nCount--);
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}
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/*
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*********************************************************************************************************
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* LOCAL CONFIGURATION ERRORS
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*********************************************************************************************************
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*/
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/*
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*********************************************************************************************************
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* BSP_Init()
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*
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* Description : Initialize the Board Support Package (BSP).
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*
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* Argument(s) : none.
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*
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* Return(s) : none.
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*
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* Caller(s) : Application.
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*
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* Note(s) : (1) This function SHOULD be called before any other BSP function is called.
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*********************************************************************************************************
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*/
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void BSP_Init (void)
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{
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RCC_Configuration();
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NVIC_Configuration();
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USART1_Configuration();
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GPIO_Configuration();
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}
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