FreeRTOS 移植到STM32F103VC
本文檔記錄在MDK編譯環境下移植 FreeRTOS 到 STM32F103VC設備上
1、下載鏈接
FreeRTOS: https://www.freertos.org/a00104.html
STM32F10x standard peripheral library :https://www.st.com/content/st_com/en/products/embedded-software/mcus-embedded-software/stm32-embedded-software/stm32-standard-peripheral-libraries/stsw-stm32054.html#getsoftware-scroll
STM32F10x_StdPeriph_Lib_V3.5.0 標准庫打開后如下,去掉除文件夾CMSIS、STM32F10x_StdPeriph_Driver以外的所有文件(主要是為了查看代碼干凈清晰)
FreeRTOSv10.1.1 文件打開后如下,同樣去掉無用文件和文件夾(紅色圈以外的文件)
2、新建工程
1)、新建工程過程略過,下面兩張圖記錄工程文件目錄及工程配置
2)、工程根目錄下文件描述
FreeRTOSConfig.h 復制於 FreeRTOSv10.1.1\FreeRTOS\Demo\CORTEX_STM32F103_Keil\FreeRTOSConfig.h
stm32f10x_config.h 復制於 STM32F10x_StdPeriph_Lib_V3.5.0\Project\STM32F10x_StdPeriph_Template\stm32f10x_config.h
main.c 修改如下,主要功能創建1個任務每間隔1s執行1次LED(PB9)亮滅切換
#include <stdio.h> #include "stm32f10x.h" #include "FreeRTOS.h" #include "task.h" #include "queue.h" #define TASK_DELAY (1000) TaskHandle_t led_toggle_task_handle; void LED_Init(void){ GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); } static void led_toggle_task_function(void *pvParameter){ unsigned char led_count = 0; while(1){ led_count++; GPIO_WriteBit(GPIOB, GPIO_Pin_9, (led_count & 0x01) ? Bit_SET : Bit_RESET); vTaskDelay(TASK_DELAY); } } int main(void){ LED_Init(); xTaskCreate(led_toggle_task_function, "LED0", 40, NULL, 2, &led_toggle_task_handle); vTaskStartScheduler(); while(1){ } }
startup_stm32f10x_hd.s 修改3個中斷函數接口名稱用於匹配port.c接口函數
3)、編譯、錄略過
End!!!