淘宝网站开发要多久装饰公司网页设计
目录
- 一、基于STM32CubeMX建立工程
 - 二、获取uC/OS-III源码
 - 三、代码移植
 - 1.复制uC/OS-III文件到工程文件夹
 - 2.工程组件和头文件路径的添加
 - 打开工程,添加一下六个组
 - 添加文件到分组
 - 添加头文件路径
 
- 3.文件内容的修改
 - 启动文件
 - app_cfg.h
 - includes.h
 - bsp.c和bsp.h
 - lib_cfg.h
 - app.c
 - main.c
 
- 总结
 
实验内容:学习嵌入式实时操作系统(RTOS),以uc/OS为例,将其移植到stm32F103上,构建至少3个任务(task):其中两个task分别以1s和3s周期对LED等进行点亮-熄灭的控制;另外一个task以2s周期通过串口发送“hello uc/OS! 欢迎来到RTOS多任务环境!”
一、基于STM32CubeMX建立工程
配置RCC

配置SYS

配置PA6和PB10为GPIO_Output`


配置USART1

生成代码


二、获取uC/OS-III源码
官网下载地址:https://www.silabs.com/developers/micrium
或者
链接:https://pan.baidu.com/s/1PnPjS9vrpwOgGgeXGtoZhw
 提取码:9962
 –来自百度网盘超级会员V1的分享
三、代码移植
1.复制uC/OS-III文件到工程文件夹
在项目中创建一个UCOSIII文件夹:

将下载的源文件下的uC-CPU、uC-LIB、uCOS-III复制到该文件夹:

在Src文件夹下新建一个OS文件夹

将下载的源码中\EvalBoards\Micrium\uC-Eval-STM32F107\uCOS-III下的文件app.c 、 app_cfg.h 、 cpu_cfg.h 、 includes.h 、 lib_cfg.h 、 os_app_hooks.c 、os_app_hook.h、os_cfg.h、os_cfg_app.h复制到该OS文件夹中:

新建三个空白文件: bsp.c、bsp.h、app.h:

2.工程组件和头文件路径的添加
打开工程,添加一下六个组

添加文件到分组
将Src/OS中的bsp.c 和 bsp.h文件添加至 bsp 组中,将 app.c 添加进 Application/User/Core 组中:

将UCOSIII/uC-CPU中的cpu_core.c、cpu_core.h、cpu_def.h添加进uCOSIII_CPU组中,同时将UCOSIII/uC-CPU/ARM-Cortex-M3/RealView中的三个文件添加到该组:


将UCOSIII/uC-LIB中的9个文件添加到uCOSIII-LIB组中,同时将UCOSIII/uC-LIB/Ports/ARM-Cortex-M3/Realview中的lib_mem_a.asm添加到该组中:

将UCOSIII/UcosIII/Ports/ARM-Cortex-M3/Generic/RealView中的3个文件添加的uCOSIII_Ports组中:

将UCOSIII/UcosIII/Source中的20个文件添加到uCOSIII_Source组中:

将Core/Src/OS中的以下图中的8个文件添加到OS_cfg组中


添加头文件路径
如图所示,添加头文件路径:

3.文件内容的修改
启动文件
将启动文件下图中的PendSV_Handler和Systick_Handler改为OS_CPU_PendSVHandler和OS_CPU_SysTickHandler:
修改前:

修改后:


app_cfg.h
修改前:


修改后:


includes.h
添加3个头文件:
#include "gpio.h"
#include "app_cfg.h"
#include "app.h" 

修改前:

修改后:
#include "stm32f1xx_hal.h"
 

bsp.c和bsp.h
bsp.c全部改为:
// bsp.c
#include "includes.h"#define  DWT_CR      *(CPU_REG32 *)0xE0001000
#define  DWT_CYCCNT  *(CPU_REG32 *)0xE0001004
#define  DEM_CR      *(CPU_REG32 *)0xE000EDFC
#define  DBGMCU_CR   *(CPU_REG32 *)0xE0042004#define  DEM_CR_TRCENA                   (1 << 24)
#define  DWT_CR_CYCCNTENA                (1 <<  0)CPU_INT32U  BSP_CPU_ClkFreq (void)
{return HAL_RCC_GetHCLKFreq();
}void BSP_Tick_Init(void)
{CPU_INT32U cpu_clk_freq;CPU_INT32U cnts;cpu_clk_freq = BSP_CPU_ClkFreq();#if(OS_VERSION>=3000u)cnts = cpu_clk_freq/(CPU_INT32U)OSCfg_TickRate_Hz;#elsecnts = cpu_clk_freq/(CPU_INT32U)OS_TICKS_PER_SEC;#endifOS_CPU_SysTickInit(cnts);
}void BSP_Init(void)
{BSP_Tick_Init();MX_GPIO_Init();
}#if (CPU_CFG_TS_TMR_EN == DEF_ENABLED)
void  CPU_TS_TmrInit (void)
{CPU_INT32U  cpu_clk_freq_hz;DEM_CR         |= (CPU_INT32U)DEM_CR_TRCENA;                /* Enable Cortex-M3's DWT CYCCNT reg.                   */DWT_CYCCNT      = (CPU_INT32U)0u;DWT_CR         |= (CPU_INT32U)DWT_CR_CYCCNTENA;cpu_clk_freq_hz = BSP_CPU_ClkFreq();CPU_TS_TmrFreqSet(cpu_clk_freq_hz);
}
#endif#if (CPU_CFG_TS_TMR_EN == DEF_ENABLED)
CPU_TS_TMR  CPU_TS_TmrRd (void)
{return ((CPU_TS_TMR)DWT_CYCCNT);
}
#endif#if (CPU_CFG_TS_32_EN == DEF_ENABLED)
CPU_INT64U  CPU_TS32_to_uSec (CPU_TS32  ts_cnts)
{CPU_INT64U  ts_us;CPU_INT64U  fclk_freq;fclk_freq = BSP_CPU_ClkFreq();ts_us     = ts_cnts / (fclk_freq / DEF_TIME_NBR_uS_PER_SEC);return (ts_us);
}
#endif#if (CPU_CFG_TS_64_EN == DEF_ENABLED)
CPU_INT64U  CPU_TS64_to_uSec (CPU_TS64  ts_cnts)
{CPU_INT64U  ts_us;CPU_INT64U  fclk_freq;fclk_freq = BSP_CPU_ClkFreq();ts_us     = ts_cnts / (fclk_freq / DEF_TIME_NBR_uS_PER_SEC);return (ts_us);
}
#endif 
bsp.h:
// bsp.h
#ifndef  __BSP_H__
#define  __BSP_H__#include "stm32f1xx_hal.h"void BSP_Init(void);#endif 
由于我们使用了printf函数,需要在usart.c文件中添加以下代码完成printf重定向
//添加头文件#include "stdio.h"
/* USER CODE BEGIN 1 */
int fputc(int ch,FILE *f){HAL_UART_Transmit(&huart1,(uint8_t *)&ch,1,0xffff);return ch;
}
/* USER CODE END 1 */ 
lib_cfg.h
加入宏定义:
#define  LIB_MEM_CFG_HEAP_SIZE          10u * 1024u
 

app.c
#include "includes.h"
 
main.c
构建三个任务:
- 本实验采用PA6口进行1s周期亮灭,PB10口3s周期亮灭,通过串口每两秒发送“hello uc/OS! 欢迎来到RTOS多任务环境!”
 
#include "main.h"
#include "usart.h"
#include "gpio.h"
#include <includes.h>/* 任务优先级 */
#define START_TASK_PRIO		2
#define LED0_TASK_PRIO		3
#define LED1_TASK_PRIO		3
#define MSG_TASK_PRIO		  4/* 任务堆栈大小	*/
#define START_STK_SIZE 		96
#define LED0_STK_SIZE 		64
#define LED1_STK_SIZE 		64
#define MSG_STK_SIZE 		  64/*定义任务控制块*/
static OS_TCB StartTaskTCB;
static OS_TCB Led0TaskTCB;
static OS_TCB Led1TaskTCB;
static OS_TCB MsgTaskTCB;/*定义任务堆栈*/
static CPU_STK START_TASK_STK[START_STK_SIZE];
static CPU_STK LED0_TASK_STK[LED0_STK_SIZE];
static CPU_STK LED1_TASK_STK[LED1_STK_SIZE];
static CPU_STK MSG_TASK_STK[MSG_STK_SIZE];
void SystemClock_Config(void);/*声明用户任务*/
void start_task(void *p_arg);
static  void  led_PA6(void *p_arg);
static  void  send_msg(void *p_arg);
static  void  led_PB10(void *p_arg);/*主函数*/int main(void)
{OS_ERR  err;OSInit(&err);HAL_Init();SystemClock_Config();//MX_GPIO_Init(); 这个在BSP的初始化里也会初始化MX_USART1_UART_Init();	/* 创建任务 */OSTaskCreate((OS_TCB     *)&StartTaskTCB,                /* Create the start task                                */(CPU_CHAR   *)"start task",(OS_TASK_PTR ) start_task,(void       *) 0,(OS_PRIO     ) START_TASK_PRIO,(CPU_STK    *)&START_TASK_STK[0],(CPU_STK_SIZE) START_STK_SIZE/10,(CPU_STK_SIZE) START_STK_SIZE,(OS_MSG_QTY  ) 0,(OS_TICK     ) 0,(void       *) 0,(OS_OPT      )(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),(OS_ERR     *)&err);/* 启动多任务系统,控制权交给uC/OS-III */OSStart(&err);            /* Start multitasking (i.e. give control to uC/OS-III). */              
}
void start_task(void *p_arg)
{OS_ERR err;CPU_SR_ALLOC();p_arg = p_arg;/* YangJie add 2021.05.20*/BSP_Init();                                                   /* Initialize BSP functions *///CPU_Init();//Mem_Init();                                                 /* Initialize Memory Management Module */#if OS_CFG_STAT_TASK_EN > 0uOSStatTaskCPUUsageInit(&err);  		//统计任务                
#endif#ifdef CPU_CFG_INT_DIS_MEAS_EN			//如果使能了测量中断关闭时间CPU_IntDisMeasMaxCurReset();	
#endif#if	OS_CFG_SCHED_ROUND_ROBIN_EN  		//当使用时间片轮转的时候//使能时间片轮转调度功能,时间片长度为1个系统时钟节拍,既1*5=5msOSSchedRoundRobinCfg(DEF_ENABLED,1,&err);  
#endif		OS_CRITICAL_ENTER();	//进入临界区/* 创建LED0任务 */OSTaskCreate((OS_TCB 	* )&Led0TaskTCB,		(CPU_CHAR	* )"led_PA6", 		(OS_TASK_PTR )led_PA6, 			(void		* )0,					(OS_PRIO	  )LED0_TASK_PRIO,     (CPU_STK   * )&LED0_TASK_STK[0],	(CPU_STK_SIZE)LED0_STK_SIZE/10,	(CPU_STK_SIZE)LED0_STK_SIZE,		(OS_MSG_QTY  )0,					(OS_TICK	  )0,					(void   	* )0,					(OS_OPT      )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR,(OS_ERR 	* )&err);		/* 创建LED1任务 */OSTaskCreate((OS_TCB 	* )&Led1TaskTCB,		(CPU_CHAR	* )"led_PB10", 		(OS_TASK_PTR )led_PB10, 			(void		* )0,					(OS_PRIO	  )LED1_TASK_PRIO,     (CPU_STK   * )&LED1_TASK_STK[0],	(CPU_STK_SIZE)LED1_STK_SIZE/10,	(CPU_STK_SIZE)LED1_STK_SIZE,		(OS_MSG_QTY  )0,					(OS_TICK	  )0,					(void   	* )0,					(OS_OPT      )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR,(OS_ERR 	* )&err);										 /* 创建MSG任务 */OSTaskCreate((OS_TCB 	* )&MsgTaskTCB,		(CPU_CHAR	* )"send_msg", 		(OS_TASK_PTR )send_msg, 			(void		* )0,					(OS_PRIO	  )MSG_TASK_PRIO,     	(CPU_STK   * )&MSG_TASK_STK[0],	(CPU_STK_SIZE)MSG_STK_SIZE/10,	(CPU_STK_SIZE)MSG_STK_SIZE,		(OS_MSG_QTY  )0,					(OS_TICK	  )0,					(void   	* )0,				(OS_OPT      )OS_OPT_TASK_STK_CHK|OS_OPT_TASK_STK_CLR, (OS_ERR 	* )&err);OS_TaskSuspend((OS_TCB*)&StartTaskTCB,&err);		//挂起开始任务			 OS_CRITICAL_EXIT();	//进入临界区
}static  void  led_PA6 (void *p_arg)
{OS_ERR      err;(void)p_arg;BSP_Init();                                                 /* Initialize BSP functions                             */CPU_Init();Mem_Init();                                                 /* Initialize Memory Management Module                  */#if OS_CFG_STAT_TASK_EN > 0uOSStatTaskCPUUsageInit(&err);                               /* Compute CPU capacity with no task running            */
#endifCPU_IntDisMeasMaxCurReset();/* Create Application Objects                           */while (DEF_TRUE){HAL_GPIO_WritePin(GPIOA,GPIO_PIN_6,GPIO_PIN_RESET);OSTimeDlyHMSM(0, 0, 1, 0,OS_OPT_TIME_HMSM_STRICT,&err);HAL_GPIO_WritePin(GPIOA,GPIO_PIN_6,GPIO_PIN_SET);OSTimeDlyHMSM(0, 0, 1, 0,OS_OPT_TIME_HMSM_STRICT,&err);/* USER CODE END WHILE *//* USER CODE BEGIN 3 */}/* USER CODE END 3 */
}
static  void  led_PB10 (void *p_arg)
{OS_ERR      err;(void)p_arg;BSP_Init();                                                 /* Initialize BSP functions                             */CPU_Init();Mem_Init();                                                 /* Initialize Memory Management Module                  */#if OS_CFG_STAT_TASK_EN > 0uOSStatTaskCPUUsageInit(&err);                               /* Compute CPU capacity with no task running            */
#endifCPU_IntDisMeasMaxCurReset();while (DEF_TRUE){HAL_GPIO_WritePin(GPIOB,GPIO_PIN_10,GPIO_PIN_RESET);OSTimeDlyHMSM(0, 0, 3, 0,OS_OPT_TIME_HMSM_STRICT,&err);HAL_GPIO_WritePin(GPIOB,GPIO_PIN_10,GPIO_PIN_SET);OSTimeDlyHMSM(0, 0, 3, 0,OS_OPT_TIME_HMSM_STRICT,&err);/* USER CODE END WHILE *//* USER CODE BEGIN 3 */}/* USER CODE END 3 */
}static  void  send_msg (void *p_arg)
{OS_ERR      err;(void)p_arg;BSP_Init();                                                 /* Initialize BSP functions                             */CPU_Init();Mem_Init();                                                 /* Initialize Memory Management Module                  */#if OS_CFG_STAT_TASK_EN > 0uOSStatTaskCPUUsageInit(&err);                               /* Compute CPU capacity with no task running            */
#endifCPU_IntDisMeasMaxCurReset();/* Create Application Objects                           */while (DEF_TRUE){printf("hello uc/OS! 欢迎来到RTOS多任务环境! \r\n");OSTimeDlyHMSM(0, 0, 2, 0,OS_OPT_TIME_HMSM_STRICT,&err);/* USER CODE END WHILE *//* USER CODE BEGIN 3 */}/* USER CODE END 3 */
}void SystemClock_Config(void)
{RCC_OscInitTypeDef RCC_OscInitStruct = {0};RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;RCC_OscInitStruct.HSIState = RCC_HSI_ON;RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL2;if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK){Error_Handler();}RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK){Error_Handler();}
}void Error_Handler(void)
{__disable_irq();while (1){}}#ifdef  USE_FULL_ASSERTvoid assert_failed(uint8_t *file, uint32_t line)
{}
#endif  
效果如下:

 
总结
本次实验主要学习了stm32f103c8t6移植uC/OS-III操作系统的具体流程,并完成了多任务创建实现的实验要求。
参考资料:
STM32F103基于HAL库移植uC/OS-III_ucos iii + hal移植到正点原子-CSDN博客
【STM32】Keil5在编译过程中出现.cannot open source input file “xxx.h“: No such file or directory的问题_keil no such file or directory-CSDN博客
