/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : freertos.c
* Description : Code for freertos applications
******************************************************************************
* @attention
*
* Copyright (c) 2022 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "FreeRTOS.h"
#include "task.h"
#include "main.h"
#include "cmsis_os.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "system.h"
#include "HX711.h"
#include "key.h"
#include "timeSet.h"
#include "ds1302.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
int fputc(int ch,FILE *f)
{
uint32_t temp = ch;
HAL_UART_Transmit(&huart1,(uint8_t *)&temp,1,0xFFFF);
HAL_UART_Transmit(&huart2,(uint8_t *)&temp,1,0xFFFF);
return ch;
}
void Printf_Data(void);
void follow_run(void);
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
bool blueState;
bool boxState;
bool medicalState;
float filteredVoltage = 0.0f;
static const float alpha = 0.910f;
uint8_t firstLinkBlue = 0;
uint8_t enableFollowRun = 0;
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */
/* USER CODE END Variables */
/* Definitions for defaultTask */
osThreadId_t defaultTaskHandle;
const osThreadAttr_t defaultTask_attributes = {
.name = "defaultTask",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityNormal,
};
/* Definitions for myTask02_led */
osThreadId_t myTask02_ledHandle;
const osThreadAttr_t myTask02_led_attributes = {
.name = "myTask02_led",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityBelowNormal7,
};
/* Definitions for myTask03_print */
osThreadId_t myTask03_printHandle;
const osThreadAttr_t myTask03_print_attributes = {
.name = "myTask03_print",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityBelowNormal6,
};
/* Definitions for myTask04 */
osThreadId_t myTask04Handle;
const osThreadAttr_t myTask04_attributes = {
.name = "myTask04",
.stack_size = 128 * 4,
.priority = (osPriority_t) osPriorityBelowNormal5,
};
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */
/* USER CODE END FunctionPrototypes */
void StartDefaultTask(void *argument);
void StartTask02(void *argument);
void StartTask03(void *argument);
void StartTask04(void *argument);
void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
/**
* @brief FreeRTOS initialization
* @param None
* @retval None
*/
void MX_FREERTOS_Init(void) {
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* USER CODE BEGIN RTOS_MUTEX */
/* add mutexes, ... */
/* USER CODE END RTOS_MUTEX */
/* USER CODE BEGIN RTOS_SEMAPHORES */
/* add semaphores, ... */
/* USER CODE END RTOS_SEMAPHORES */
/* USER CODE BEGIN RTOS_TIMERS */
/* start timers, add new ones, ... */
/* USER CODE END RTOS_TIMERS */
/* USER CODE BEGIN RTOS_QUEUES */
/* add queues, ... */
/* USER CODE END RTOS_QUEUES */
/* Create the thread(s) */
/* creation of defaultTask */
defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
/* creation of myTask02_led */
myTask02_ledHandle = osThreadNew(StartTask02, NULL, &myTask02_led_attributes);
/* creation of myTask03_print */
myTask03_printHandle = osThreadNew(StartTask03, NULL, &myTask03_print_attributes);
/* creation of myTask04 */
myTask04Handle = osThreadNew(StartTask04, NULL, &myTask04_attributes);
/* USER CODE BEGIN RTOS_THREADS */
/* add threads, ... */
/* USER CODE END RTOS_THREADS */
/* USER CODE BEGIN RTOS_EVENTS */
/* add events, ... */
/* USER CODE END RTOS_EVENTS */
}
/* USER CODE BEGIN Header_StartDefaultTask */
/**
* @brief Function implementing the defaultTask thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartDefaultTask */
void StartDefaultTask(void *argument)
{
/* USER CODE BEGIN StartDefaultTask */
Init_HX711pin();
Get_Maopi();//称毛皮重量
osDelay(1000);
osDelay(1000);
Get_Maopi();//重新获取毛皮重量
/*
only set one time of ds1302_init
or the time will not act
*/
// ds1032_init();
/* Infinite loop */
for(;;)
{
Get_Weight();
MYI2C_Handle(&SENx); //processing no1 sensor
ds1032_read_realTime();
timeSet();
osDelay(50);
}
/* USER CODE END StartDefaultTask */
}
/* USER CODE BEGIN Header_StartTask02 */
/**
* @brief Function implementing the myTask02_led thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask02 */
void StartTask02(void *argument)
{
/* USER CODE BEGIN StartTask02 */
/* Infinite loop */
for(;;)
{
usart2_data_transition(); //send to blue data
filteredVoltage = alpha * Weight_Shiwu + (1 - alpha) * filteredVoltage;
Voltage_Percent = filteredVoltage; // 使用滤波后的值
osDelay(1000);
}
/* USER CODE END StartTask02 */
}
/* USER CODE BEGIN Header_StartTask03 */
/**
* @brief Function implementing the myTask03_print thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask03 */
void StartTask03(void *argument)
{
/* USER CODE BEGIN StartTask03 */
/* Infinite loop */
for(;;)
{
// Printf_Data();
if(Weight_Shiwu > 100)
{
medicalState = 1;
}
else
{
medicalState = 0;
}
if(PBin(14) == 0) //boxState box close
{
printf("boxState box close\r\n");
boxState = 0;
}
else
{
printf("boxState box open\r\n");
boxState = 1;
}
printf("boxState:%d\r\n",boxState);
osDelay(100);
printf("medicalState:%d\r\n",medicalState);
osDelay(100);
printf("WEIGHT:%d\r\n",Weight_Shiwu);
osDelay(100);
printf("temp:%.2f,hum:%.2f\r\n",SENx.T,SENx.RH);
osDelay(1000);
}
/* USER CODE END StartTask03 */
}
/* USER CODE BEGIN Header_StartTask04 */
/**
* @brief Function implementing the myTask04 thread.
* @param argument: Not used
* @retval None
*/
/* USER CODE END Header_StartTask04 */
void StartTask04(void *argument)
{
/* USER CODE BEGIN StartTask04 */
/* Infinite loop */
for(;;)
{
OLED_ShowString(0,6,"TEMP:",8);
OLED_ShowNum(40,6,SENx.T,2,8);
OLED_ShowString(60,6,"HUMI:",8);
OLED_ShowNum(100,6,SENx.RH,2,8);
OLED_ShowString(0,7,"WEIGHT:",8);
OLED_ShowNum(60,7,Weight_Shiwu,3,8);
if(SENx.RH > 75)
{
PAout(4) = !PAout(4);
}
else
{
PAout(4) = 0;
}
osDelay(100);
}
/* USER CODE END StartTask04 */
}
/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
/* USER CODE BEGIN 4 */
void Printf_Data(void)
{
}
/* USER CODE END 4 */
/* USER CODE END Application */
解释代码
本文介绍了函数指针的概念及其使用方式，特别关注如何定义指向不同类型的函数指针，并通过实例展示了如何将函数入口地址赋给函数指针，实现通过函数指针调用函数的功能。
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