嵌入式实时操作系统,将uc/OS-III移植到stm32F103上,构建3个任务。并使用Keil虚拟仿真逻辑仪抓取LED输出电平和串口通信的波形

目录

一.准备uC/OS-III源码

二.建立STM32F103C8T6HAL库

1.点击System Core,双击SYS,在Debug里选Serial Wire

 2.点击System Core,双击RCC,在High Speed Clock(HSE)里选Crystal/Ceramic Resonator

3.将Clock Configuration从HSI设为PLLOCK,选择时钟频率为72M,输入完成后按回车键。

​ 4.设置引脚

5. 设置串口USART1,进入DMA Settings,点击add,添加USART_RX和USART_TX 

​ 6.在Connectivity–USART1–NVIC Settings中打开中断

 7.建立项目,在Project Manager–Project下,输入项目名称和项目地址(不要有中文路径!!不然可能会出错),在Toolchain/IDE选择MDK-ARM。

 8.点击code generate,选择生成初始化.c/.h文件。

9.点击generate code生成代码并打开文件。 

 三.文件准备

1. 在刚创建的uC-BSP文件夹内创建bsp.c和bsp.h文件

2.导入源码

​ 3.导入文件和增加头函数路径

 4.打开keil,增加item

5.并在BSP,file下添加刚刚创建的空白文件bsp.c和bsp.h。  

6. 在CONFIG下添加file,8个

7.在SOURCE添加file,20个

 8.PORT下添加file,3个

 9.LIB下添加file,10个

10.CPU下添加file,6个

 11.加入文件编译路径

四.撰写代码 

1.修改startup文件

2.修改CONFIG/app_cfg.h 

​ 3 .修改CONFIG/includes.h  

4. 添加BSP/bsp.c,bsp.h

5.CONFIG/lib_cfg.h

6.usart.c 

7.main.c 

五.实验效果

六.使用Keil虚拟仿真逻辑仪

1.新建debug.ini文件

 2.设置参数

3.开始调试

4.运行程序 

5.波形效果 

参考文献: 


一.准备uC/OS-III源码

链接:百度网盘 请输入提取码
提取码:qwer

下载后打开目录如下,然后新创建文件夹uC-BSP和uC-CONFIG

二.建立STM32F103C8T6HAL库

1.点击System Core,双击SYS,在Debug里选Serial Wire

 2.点击System Core,双击RCC,在High Speed Clock(HSE)里选Crystal/Ceramic Resonator

3.将Clock Configuration从HSI设为PLLOCK,选择时钟频率为72M,输入完成后按回车键。

 4.设置引脚

5. 设置串口USART1,进入DMA Settings,点击add,添加USART_RX和USART_TX 

 6.在Connectivity–USART1–NVIC Settings中打开中断

 7.建立项目,在Project Manager–Project下,输入项目名称和项目地址(不要有中文路径!!不然可能会出错),在Toolchain/IDE选择MDK-ARM。

 8.点击code generate,选择生成初始化.c/.h文件。

9.点击generate code生成代码并打开文件。 

 三.文件准备

1. 在刚创建的uC-BSP文件夹内创建bsp.c和bsp.h文件

2.导入源码

将截图1文件夹里的红框文件复制到截图2的文件夹内

 3.导入文件和增加头函数路径

将创建的源码文件夹导入到刚创建的cubemx工程目录下

 4.打开keil,增加item

 添加六个groups

5.并在BSP,file下添加刚刚创建的空白文件bsp.c和bsp.h。  

6. 在CONFIG下添加file,8个

7.在SOURCE添加file,20个

 8.PORT下添加file,3个

 9.LIB下添加file,10个

包括uC-LIB中和realview下的

 

10.CPU下添加file,6个

包括uC-CPU下的3个和realview下的3个

 

 11.加入文件编译路径

四.撰写代码 

1.修改startup文件

PendSV_Handler    ----->      OS_CPU_PendSVHandler

SysTick_Handler     ----->      OS_CPU_SysTickHandler

2.修改CONFIG/app_cfg.h 

 #define APP_CFG_SERIAL_EN        DEF_ENABLED ------>    #define APP_CFG_SERIAL_EN        DEF_DISABLED

#define APP_TRACE BSP_Ser_Printf --------> #define APP_TRACE (void)

 3 .修改CONFIG/includes.h  

在#include<bsp.h>后加上
   #include <gpio.h>
   #include <app_cfg.h> 

将#include <stm32f10x_lib.h> 改为 #include <stm32f1xx_hal.h>

4. 添加BSP/bsp.c,bsp.h

bsp.c

// 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;
	#else
		cnts = cpu_clk_freq/(CPU_INT32U)OS_TICKS_PER_SEC;
	#endif
	OS_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

5.CONFIG/lib_cfg.h

lib_cfg.h里修改堆空间的宏定义,它原本是27K,但这块板子RAM一共才20k,修改为5k

6.usart.c 

 加入头文件

 加入重定向printf函数

/* 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 */

7.main.c 

/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "gpio.h"
#include "usart.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <includes.h>
#include "stm32f1xx_hal.h"
/* USER CODE END Includes */
 
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
 
/* USER CODE END PTD */
 
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* 任务优先级 */
#define START_TASK_PRIO		3
#define LED0_TASK_PRIO		4
#define MSG_TASK_PRIO		5
#define LED1_TASK_PRIO		6
 
/* 任务堆栈大小	*/
#define START_STK_SIZE 		96
#define LED0_STK_SIZE 		64
#define MSG_STK_SIZE 		64
#define LED1_STK_SIZE 		64
 
/* 任务栈 */	
CPU_STK START_TASK_STK[START_STK_SIZE];
CPU_STK LED0_TASK_STK[LED0_STK_SIZE];
CPU_STK MSG_TASK_STK[MSG_STK_SIZE];
CPU_STK LED1_TASK_STK[LED1_STK_SIZE];
 
/* 任务控制块 */
OS_TCB StartTaskTCB;
OS_TCB Led0TaskTCB;
OS_TCB MsgTaskTCB;
OS_TCB Led1TaskTCB;
 
/* USER CODE END PD */
 
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
 
/* USER CODE END PM */
 
/* Private variables ---------------------------------------------------------*/
 
/* USER CODE BEGIN PV */
 
/* 任务函数定义 */
void start_task(void *p_arg);
static  void  AppTaskCreate(void);
static  void  AppObjCreate(void);
static  void  led_pb0(void *p_arg);
static  void  send_msg(void *p_arg);
static  void  led_pb1(void *p_arg);
/* USER CODE END PV */
 
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
 
/* USER CODE END PFP */
 
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
 
  /**Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /**Initializes the CPU, AHB and APB busses clocks 
  */
  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_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
 
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}
 
/* USER CODE END 0 */
 
/**
  * @brief  The application entry point.
  * @retval int
  */
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 > 0u
   OSStatTaskCPUUsageInit(&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=5ms
	OSSchedRoundRobinCfg(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_pb0", 		
                 (OS_TASK_PTR )led_pb0, 			
                 (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_pb1", 		
                 (OS_TASK_PTR )led_pb1, 			
                 (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
}
/**
  * 函数功能: 启动任务函数体。
  * 输入参数: p_arg 是在创建该任务时传递的形参
  * 返 回 值: 无
  * 说    明:无
  */
static  void  led_pb0 (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 > 0u
  OSStatTaskCPUUsageInit(&err);                               /* Compute CPU capacity with no task running            */
#endif
 
  CPU_IntDisMeasMaxCurReset();
 
  AppTaskCreate();                                            /* Create Application Tasks                             */
 
  AppObjCreate();                                             /* Create Application Objects                           */
 
  while (DEF_TRUE)
  {
		HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_RESET);
		OSTimeDlyHMSM(0, 0, 1, 0,OS_OPT_TIME_HMSM_STRICT,&err);
		HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,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_pb1 (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 > 0u
  OSStatTaskCPUUsageInit(&err);                               /* Compute CPU capacity with no task running            */
#endif
 
  CPU_IntDisMeasMaxCurReset();
 
  AppTaskCreate();                                            /* Create Application Tasks                             */
 
  AppObjCreate();                                             /* Create Application Objects                           */
 
  while (DEF_TRUE)
  {
		HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
		OSTimeDlyHMSM(0, 0, 3, 0,OS_OPT_TIME_HMSM_STRICT,&err);
		HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,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 > 0u
  OSStatTaskCPUUsageInit(&err);                               /* Compute CPU capacity with no task running            */
#endif
 
  CPU_IntDisMeasMaxCurReset();
 
  AppTaskCreate();                                            /* Create Application Tasks                             */
 
  AppObjCreate();                                             /* Create Application Objects                           */
 
  while (DEF_TRUE)
  {
			printf("hello uc/OS \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 */
}
 
 
/* USER CODE BEGIN 4 */
/**
  * 函数功能: 创建应用任务
  * 输入参数: p_arg 是在创建该任务时传递的形参
  * 返 回 值: 无
  * 说    明:无
  */
static  void  AppTaskCreate (void)
{
  
}
 
 
/**
  * 函数功能: uCOSIII内核对象创建
  * 输入参数: 无
  * 返 回 值: 无
  * 说    明:无
  */
static  void  AppObjCreate (void)
{
 
}
 
/* USER CODE END 4 */
 
/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
 
  /* USER CODE END Error_Handler_Debug */
}
 
#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{ 
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

五.实验效果

 

六.使用Keil虚拟仿真逻辑仪

1.新建debug.ini文件

可以先在工程目录下新建一个文本文档TXT,输入以下debug配置:

map 0x40000000, 0x40007FFF read write // APB1
map 0x40010000, 0x400157FF read write // APB2
map 0x40020000, 0x4007FFFF read write // AHB1
map 0x50000000, 0x50060BFF read write // AHB2
map 0x60000000, 0x60000FFF read write // AHB3
map 0xE0000000, 0xE00FFFFF read write // CORTEX-M4 internal peripherals

然后另存为.ini文件,将保存类型改成所有文件!

 2.设置参数

打开options for target。 

3.开始调试

进入调试模式,打开逻辑分析功能。点击setup,创建引脚,设置引脚名称和展示数据类型为bit。 

 

4.运行程序 

5.波形效果 

结果分析:由仿真图可以看出每2s串口输出一次信号。PB0是1s为高电平,1s为低电平。PB1是一次高电平持续3s,一次低电平持续3s,交替出现。这些都与我们设置的工程和实际效果一致。

参考文献: 

STM32F103C8T6移植uCOS基于HAL库_机智的橙子的博客-CSDN博客

STM32F103C8T6移植uC/OS-III基于HAL库超完整详细过程_带火星的小木条的博客-CSDN博客

基于stm32cubemx移植uC/OS-III操作系统_Laul Ken-Yi的博客-CSDN博客

基于keil仿真波形分析以及逻辑分析仪真实波形抓取_Laul Ken-Yi的博客-CSDN博客

猜你喜欢

转载自blog.csdn.net/SS_SS_SSS_SSS/article/details/121679798