Timer STM32F103定时器中断在基本启动时停止
我创建了一个小项目,希望每40毫秒触发一次中断 我使用的是STM32F103C8T6 问题:当我运行调试器时,我被卡住了:Timer STM32F103定时器中断在基本启动时停止,timer,stm32,interrupt,Timer,Stm32,Interrupt,我创建了一个小项目,希望每40毫秒触发一次中断 我使用的是STM32F103C8T6 问题:当我运行调试器时,我被卡住了: HAL\u TIM\u Base\u Start\u IT(&htim1) 我无法前进,我不知道原因 一切都编译正确 /* USER CODE BEGIN Header */ /** ****************************************************************************** * @file
HAL\u TIM\u Base\u Start\u IT(&htim1)代码>
我无法前进,我不知道原因
一切都编译正确
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "ssd1306.h"
#include "ssd1306_fonts.h"
#include "stdio.h"
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c1;
TIM_HandleTypeDef htim1;
/* USER CODE BEGIN PV */
char rawdata[14];
bool units;
double cur_value;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void MX_TIM1_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
double fetch(void);
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_I2C1_Init();
MX_TIM1_Init();
/* USER CODE BEGIN 2 */
ssd1306_Init();
HAL_TIM_Base_Start_IT(&htim1);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
/*
HAL_GPIO_TogglePin(led_GPIO_Port, led_Pin);
ssd1306_Fill(Black);
ssd1306_SetCursor(1, 1);
ssd1306_WriteString("test", Font_11x18, White);
ssd1306_SetCursor(1, 20);
ssd1306_WriteString("test2", Font_11x18, White);
ssd1306_UpdateScreen();
HAL_Delay(500);
*/
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
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 buses 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();
}
}
/**
* @brief I2C1 Initialization Function
* @param None
* @retval None
*/
static void MX_I2C1_Init(void)
{
/* USER CODE BEGIN I2C1_Init 0 */
/* USER CODE END I2C1_Init 0 */
/* USER CODE BEGIN I2C1_Init 1 */
/* USER CODE END I2C1_Init 1 */
hi2c1.Instance = I2C1;
hi2c1.Init.ClockSpeed = 400000;
hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
hi2c1.Init.OwnAddress1 = 0;
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c1.Init.OwnAddress2 = 0;
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN I2C1_Init 2 */
/* USER CODE END I2C1_Init 2 */
}
/**
* @brief TIM1 Initialization Function
* @param None
* @retval None
*/
static void MX_TIM1_Init(void)
{
/* USER CODE BEGIN TIM1_Init 0 */
/* USER CODE END TIM1_Init 0 */
TIM_ClockConfigTypeDef sClockSourceConfig = {0};
TIM_MasterConfigTypeDef sMasterConfig = {0};
/* USER CODE BEGIN TIM1_Init 1 */
/* USER CODE END TIM1_Init 1 */
htim1.Instance = TIM1;
htim1.Init.Prescaler = 287;
htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
htim1.Init.Period = 999;
htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim1.Init.RepetitionCounter = 0;
htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
{
Error_Handler();
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
{
Error_Handler();
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN TIM1_Init 2 */
/* USER CODE END TIM1_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(led_GPIO_Port, led_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(req_GPIO_Port, req_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin : led_Pin */
GPIO_InitStruct.Pin = led_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(led_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : dat_Pin clk_Pin */
GPIO_InitStruct.Pin = dat_Pin|clk_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : req_Pin */
GPIO_InitStruct.Pin = req_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
HAL_GPIO_Init(req_GPIO_Port, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
fetch();
}
double fetch()
{
HAL_GPIO_WritePin(req_GPIO_Port, req_Pin, GPIO_PIN_RESET); //set req low
HAL_Delay(5);
HAL_GPIO_WritePin(req_GPIO_Port, req_Pin, GPIO_PIN_SET); //set req high
for(int i = 0; i < 13; i++ ) {
int k = 0;
for (int j = 0; j < 4; j++) {
while( HAL_GPIO_ReadPin(clk_GPIO_Port, clk_Pin) == 0 ) { } // hold until clock is high
while( HAL_GPIO_ReadPin(clk_GPIO_Port, clk_Pin) == 1) { } // hold until clock is low
k ^= (-HAL_GPIO_ReadPin(dat_GPIO_Port,dat_Pin) ^ k) & (1UL << j); //bitWrite(k, j, (digitalRead(data_pin) & 0x1)); // read data bits, and reverse order )
}
rawdata[i] = k;
}
char buf[7];
for(int lp=0;lp<6;lp++){
buf[lp]=rawdata[lp+5]+'0';
}
long cur_value_int =atol(buf); //assembled measurement, sans decimal point and sign
// convert to double w/decimal point
char buf_dec[2];
buf_dec[0] = rawdata[11]+'0';
char decimal = atol(buf_dec);
cur_value = (double)cur_value_int*(double)pow(10,-decimal);
// check sign
char buf_sign[2];
buf_sign[0] = rawdata[4]+'0';
int temp = atol(buf_sign);
if(temp==8)
cur_value = -cur_value;
// units
char buf_unit[2];
buf_unit[0] = rawdata[12]+'0';
temp = atol(buf_unit);
units = (bool)temp;
return cur_value;
}
/* 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****/
/*用户代码开始标题*/
/**
******************************************************************************
*@file:main.c
*@brief:Main program body
******************************************************************************
*@注意
*
*&复制;版权所有(c)2020意法半导体。
*版权所有。
*
*本软件组件由ST根据BSD 3条款许可证进行许可,
*“许可证”;除非符合以下要求,否则不得使用此文件:
*执照。您可以通过以下方式获得许可证副本:
*opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/*用户代码结束头*/
/*包括------------------------------------------------------------------*/
#包括“main.h”
/*私人包括----------------------------------------------------------*/
/*用户代码开始包括*/
#包括“ssd1306.h”
#包括“ssd1306_font.h”
#包括“stdio.h”
#包括
#包括
#包括
#包括
/*用户代码端包括*/
/*私有类型定义-----------------------------------------------------------*/
/*用户代码开始PTD*/
/*用户代码结束PTD*/
/*私有定义------------------------------------------------------------*/
/*用户代码BEGIN PD*/
/*用户代码结束PD*/
/*私有宏-------------------------------------------------------------*/
/*用户代码开始PM*/
/*用户代码结束PM*/
/*私有变量---------------------------------------------------------*/
I2C_手柄类型定义hi2c1;
TIM_HandleTypeDef htim1;
/*用户代码开始PV*/
char-rawdata[14];
布尔单位;
双cur_值;
/*用户代码结束PV*/
/*私有函数原型-----------------------------------------------*/
无效系统时钟配置(无效);
静态void MX_GPIO_Init(void);
静态void MX_I2C1_Init(void);
静态void MX_TIM1_Init(void);
/*用户代码开始PFP*/
/*用户代码端PFP*/
/*专用用户代码---------------------------------------------------------*/
/*用户代码从0开始*/
双重提取(无效);
/*用户代码结束0*/
/**
*@简要介绍应用程序入口点。
*@retval int
*/
内部主(空)
{
/*用户代码开始1*/
/*用户代码结束1*/
/*微控制器配置--------------------------------------------------------*/
/*重置所有外围设备,初始化闪存接口和Systick*/
HAL_Init();
/*用户代码开始初始化*/
/*用户代码结束初始化*/
/*配置系统时钟*/
SystemClock_Config();
/*用户代码BEGIN SysInit*/
/*用户代码结束SysInit*/
/*初始化所有配置的外围设备*/
MX_GPIO_Init();
MX_I2C1_Init();
MX_TIM1_Init();
/*用户代码开始2*/
ssd1306_Init();
HAL_TIM_Base_Start_IT(&htim1);
/*用户代码结束2*/
/*无限循环*/
/*用户代码在*/
而(1)
{
/*用户代码结束时*/
/*用户代码开始3*/
/*
HAL_GPIO_开关引脚(led_GPIO_端口,led_引脚);
ssd1306_填料(黑色);
ssd1306_设置光标(1,1);
ssd1306_WriteString(“测试”,字体11x18,白色);
ssd1306_设置光标(1,20);
ssd1306_WriteString(“test2”,字体11x18,白色);
ssd1306_UpdateScreen();
HAL_延迟(500);
*/
}
/*用户代码结束3*/
}
/**
*@简要系统时钟配置
*@retval无
*/
无效系统时钟配置(无效)
{
RCC_oscintypedef RCC_OscInitStruct={0};
RCC_ClkInitTypeDef RCC_ClkInitStruct={0};
/**根据指定参数初始化RCC振荡器
*在RCC_oscintypedef结构中。
*/
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;
如果(HAL_RCC_OscConfig(&RCC_OscInitStruct)!=HAL_OK)
{
错误处理程序();
}
/**初始化CPU、AHB和APB总线时钟
*/
RCC_ClkInitStruct.ClockType=RCC_ClockType_HCLK | RCC_ClockType_SYSCLK
|RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource=RCC_SYSCLKSource_PLLCLK;
RCC\u ClkInitStruct.AHBCLKDivider=RCC\u SYSCLK\u DIV1;
RCC_ClkInitStruct.APB1CLKDivider=RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider=RCC_HCLK_DIV1;
如果(HAL\u RCC\u时钟配置(&RCC\u时钟结构、闪存延迟2)!=HAL\u正常)
{
错误处理程序();
}
}
/**
*@brief I2C1初始化函数
*@param-None
*@retval无
*/
静态void MX_I2C1_Init(void)
{
/*用户代码开始I2C1\u初始化0*/
/*用户代码结束I2C1\u初始化0*/
/*用户代码begini2c1\u Init 1*/
/*用户代码END I2C1_Init 1*/
实例=I2C1;
hi2c1.Init.ClockSpeed=400000;
hi2c1.Init.DutyCycle=I2C_DutyCycle_2;
hi2c1.Init.OwnAddress1=0;
hi2c1.Init.AddressingMode=I2C_AddressingMode_7BIT;
hi2c1.Init.DualAddressMode=I2C\u DUALADDRESS\u禁用;
hi2c1.Init.OwnAddress2=0;
hi2c1.Init.GeneralCallMode=I2C\u GENERALCALL\u禁用;
hi2c1.Init.NoStretchMode=I2C\u NOSTRETCH\u DISABLE;
if(HAL_I2C_Init(&hi2c1)!=HAL_OK)
{
错误处理程序();
}
/*用户代码begini2c1\u Init 2*/
/*用户代码END I2C1_Init 2*/
}
/**
*@brief TIM1初始化函数
*@param-None
*@retval无
*/
静态void MX_TIM1_Init(void)
{
/*用户代码开始TIM1\u初始0*/
/*用户代码结束TIM1\u初始0*/
TIM_ClockConfigTypeDef sClockSourceConfig={0};
TIM_MasterConfigTypeDef sMasterConfig={0};
/*用户代码开始TIM1\u初始1*/
/*用户代码