stm32模拟iic从机程序
个人记录，保存在此处，逻辑能用，但是通讯速率只能小于5K，但是可以优化（改为用寄存器操作）
/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * <h2><center>© Copyright (c) 2021 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" #include "adc.h" #include "gpio.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* 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 ---------------------------------------------------------*/ /* USER CODE BEGIN PV */ /* 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 */ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) { /* Configure the SysTick to have interrupt in 100us time basis*/ if (HAL_SYSTICK_Config(SystemCoreClock / (10000U / uwTickFreq)) > 0U) { return HAL_ERROR; } /* Configure the SysTick IRQ priority */ if (TickPriority < (1UL << __NVIC_PRIO_BITS)) { HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U); uwTickPrio = TickPriority; } else { return HAL_ERROR; } /* Return function status */ return HAL_OK; } void HAL_Delay(uint32_t Delay) { uint32_t tickstart = HAL_GetTick(); uint32_t wait = Delay; if (wait == 0) { wait = 1; } while((HAL_GetTick() - tickstart) < wait) { } } void HAL_Delay_100us(uint32_t Delay) { HAL_Delay(Delay); } void HAL_Delay_100us_d(int j){ int i=27; int k=27; int m=27; int n=27; while(i--); while(k--); while(m--); while(n--); } /*********************** iic begin *****************************/ /*********************** iic end *******************************/ uint16_t get_adc(uint32_t channel) { ADC_ChannelConfTypeDef sConfig = {0}; sConfig.Channel = ADC_CHANNEL_MASK; //disabled all channel sConfig.Rank = ADC_RANK_NONE; HAL_ADC_ConfigChannel(&hadc, &sConfig); sConfig.Channel = channel; sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; HAL_ADC_ConfigChannel(&hadc, &sConfig); HAL_ADC_Start(&hadc); if(HAL_ADC_PollForConversion(&hadc, 10) == HAL_OK) { return HAL_ADC_GetValue(&hadc); } return 0; } uint16_t get_adc_av(uint32_t channel, uint8_t times) { uint32_t ad_sum=0; uint8_t i; for(i=0;i<times;i++) { ad_sum += get_adc(channel); } return ad_sum / times; } void get_map_x_y(float* x,float* y) { uint16_t x_adc; uint16_t y_adc; GPIO_InitTypeDef GPIO_InitStruct = {0}; #if 0 HAL_NVIC_DisableIRQ(EXTI4_15_IRQn); GPIO_InitStruct.Pin = TWI_SCK_Pin|TWI_SDA_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); while(1){ HAL_GPIO_WritePin(GPIOA, TWI_SCK_Pin, GPIO_PIN_SET); HAL_Delay_100us(3000); HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_SET); HAL_Delay_100us(3000); HAL_GPIO_WritePin(GPIOA, TWI_SCK_Pin, GPIO_PIN_RESET); HAL_Delay_100us(3000); HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_RESET); HAL_Delay_100us(3000); } #endif //X+ PP mode and set high, X- PP mode and set low GPIO_InitStruct.Pin = XL_Pin|XR_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_GPIO_WritePin(GPIOA, XL_Pin, GPIO_PIN_SET); //set X+ high HAL_GPIO_WritePin(GPIOA, XR_Pin, GPIO_PIN_RESET); //set X- low //Y+ adc mode,Y-float mode GPIO_InitStruct.Pin = YD_Pin; //Y+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); GPIO_InitStruct.Pin = YU_Pin; //Y- GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_Delay_100us(5); y_adc = get_adc_av(ADC_CHANNEL_4, 10); *y = 3.3 * y_adc / 4096; GPIO_InitStruct.Pin = XL_Pin|XR_Pin|YD_Pin|YU_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* 将四个脚都拉低，目的是把四个脚连接的电容的电放掉 */ HAL_GPIO_WritePin(GPIOA, XL_Pin, GPIO_PIN_RESET); //set X+ low HAL_GPIO_WritePin(GPIOA, XR_Pin, GPIO_PIN_RESET); //set X- low HAL_GPIO_WritePin(GPIOA, YD_Pin, GPIO_PIN_RESET); //set Y+ low HAL_GPIO_WritePin(GPIOA, YU_Pin, GPIO_PIN_RESET); //set Y- low //adc 采样后进行转换计算， 计算方法 点击四个角（现实坐标 ）然后几下对应的adc输出值，算出直线方程adc_out=kx+b，就可以化出x=(adc_out-b)/k,y同理 //*x=(x_orignal_data[1]-505)/240.4; //Y+ PP mode and set high, Y- PP mode and set low GPIO_InitStruct.Pin = YD_Pin|YU_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_GPIO_WritePin(GPIOA, YD_Pin, GPIO_PIN_SET); //set Y+ high HAL_GPIO_WritePin(GPIOA, YU_Pin, GPIO_PIN_RESET); //set Y- low //X+ adc mode,X-float mode GPIO_InitStruct.Pin = XL_Pin; //X+ GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); GPIO_InitStruct.Pin = XR_Pin; //X- GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_Delay_100us(5); x_adc = get_adc_av(ADC_CHANNEL_0, 10); *x = 3.3 * x_adc / 4096; GPIO_InitStruct.Pin = XL_Pin|XR_Pin|YD_Pin|YU_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* 将四个脚都拉低，目的是把四个脚连接的电容的电放掉 */ HAL_GPIO_WritePin(GPIOA, XL_Pin, GPIO_PIN_RESET); //set X+ low HAL_GPIO_WritePin(GPIOA, XR_Pin, GPIO_PIN_RESET); //set X- low HAL_GPIO_WritePin(GPIOA, YD_Pin, GPIO_PIN_RESET); //set Y+ low HAL_GPIO_WritePin(GPIOA, YU_Pin, GPIO_PIN_RESET); //set Y- low } #define RTP_IIC_ADDR 0x88 #define SCK_READ() HAL_GPIO_ReadPin(GPIOA, TWI_SCK_Pin) #define SDA_READ() HAL_GPIO_ReadPin(GPIOA, TWI_SDA_Pin) typedef enum{ STEP_IDLE = 0, STEP_START, STEP_DETECT_ADDR, STEP_READ_REG_NUM, STEP_SEND_DATA, STEP_READ_ACK, STEP_STOP, STEP_RESTART, STEP_READ_DATA, STEP_SEND_ACK, STEP_SEND_ACK_FINISHED, } iic_step_e; typedef enum{ SDA_INT, SDA_OUT, SDA_IN, } sda_mode; typedef struct{ uint8_t bit_cnt; uint8_t send_temp; uint8_t recv_temp; uint8_t reg_index; uint8_t iic_addr; uint8_t send_buffer[4]; uint8_t recv_buffer[4]; uint8_t buf0_chged; uint8_t buf1_chged; uint8_t buf2_chged; uint8_t buf3_chged; iic_step_e iic_send_or_read; iic_step_e iic_next_step; iic_step_e iic_step; } iic_s; iic_s iic = {0, 0, 0, STEP_IDLE}; void set_sda_mode(sda_mode mode) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(mode == SDA_INT){ GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING; }else if(mode == SDA_OUT){ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; }else if(mode == SDA_IN){ GPIO_InitStruct.Mode = GPIO_MODE_INPUT; } GPIO_InitStruct.Pin = TWI_SDA_Pin; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); } void iic_send_ack(void) { set_sda_mode(SDA_OUT); HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_RESET); } void iic_wait_ack(void) { set_sda_mode(SDA_INT); HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_SET); //release sda } void iic_set_sda_high(void) { HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_SET); } void iic_set_sda_low(void) { HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_RESET); } void iic_set_sck_high(void) { HAL_GPIO_WritePin(GPIOA, TWI_SCK_Pin, GPIO_PIN_SET); } void iic_set_sck_low(void) { HAL_GPIO_WritePin(GPIOA, TWI_SCK_Pin, GPIO_PIN_RESET); } void iic_set_pb1_high(void) { HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_SET); } void iic_set_pb1_low(void) { HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET); } void iic_init() { iic.iic_step = STEP_IDLE; iic.iic_send_or_read = STEP_IDLE; iic.send_temp = 0; iic.recv_temp = 0; iic.bit_cnt = 0; iic.iic_addr = 0; iic.reg_index = 0; set_sda_mode(SDA_INT); } void iic_sda_process(void) { if(SCK_READ() == 0) { return; } if(SDA_READ() == 0) //falling edge { iic_init(); iic.iic_step = STEP_START; } else //rising edge { iic.iic_step = STEP_STOP; set_sda_mode(SDA_INT); } } void iic_scl_falling_process(void) { switch(iic.iic_step) { case STEP_START: iic.iic_step = STEP_DETECT_ADDR; break; case STEP_SEND_ACK: set_sda_mode(SDA_OUT); HAL_GPIO_WritePin(GPIOA, TWI_SDA_Pin, GPIO_PIN_RESET); iic.iic_step = STEP_SEND_ACK; //next execute rising STEP_SEND_ACK break; case STEP_SEND_DATA: if(iic.bit_cnt >= 8){ iic.bit_cnt = 0; iic.iic_step = STEP_READ_ACK; set_sda_mode(SDA_INT); break; } set_sda_mode(SDA_OUT); iic.send_temp = iic.send_buffer[iic.reg_index]; if(iic.send_temp&(0x80>>iic.bit_cnt)){ iic_set_sda_high(); } else{ iic_set_sda_low(); } iic.bit_cnt++; break; case STEP_READ_REG_NUM: set_sda_mode(SDA_INT); break; case STEP_IDLE: iic_init(); break; } } void iic_scl_rising_process(void) { switch(iic.iic_step){ case STEP_DETECT_ADDR: iic_set_pb1_low(); iic.iic_addr <<= 1; iic.iic_addr += SDA_READ(); if(++iic.bit_cnt >= 8) { iic.bit_cnt = 0; if((iic.iic_addr & 0xfe) == (RTP_IIC_ADDR & 0xfe)){ iic.iic_step = STEP_SEND_ACK; iic.iic_next_step = STEP_READ_REG_NUM; if(iic.iic_addr & 0x01){ iic.iic_send_or_read = STEP_SEND_DATA; //master read,slave write } else{ iic.iic_send_or_read = STEP_READ_DATA; //master write,slave read } } else{ iic_init(); } } iic_set_pb1_high(); break; case STEP_READ_REG_NUM: iic.reg_index <<= 1; iic.reg_index += SDA_READ(); if(++iic.bit_cnt >= 8) { iic.bit_cnt = 0; iic.iic_step = STEP_SEND_ACK; iic.iic_next_step = iic.iic_send_or_read; } break; case STEP_READ_DATA: set_sda_mode(SDA_INT); iic.recv_temp <<= 1; iic.recv_temp += SDA_READ(); if(++iic.bit_cnt >= 8) { iic.recv_buffer[iic.reg_index] = iic.recv_temp; switch(iic.reg_index){ case 0:iic.buf0_chged=1;break; case 1:iic.buf1_chged=1;break; case 2:iic.buf2_chged=1;break; case 3:iic.buf3_chged=1;break; } iic.bit_cnt = 0; iic.iic_step = STEP_SEND_ACK; iic.iic_next_step = STEP_IDLE; } break; case STEP_SEND_ACK: iic.iic_step = iic.iic_next_step; set_sda_mode(SDA_INT); break; case STEP_READ_ACK: if(!SDA_READ()){ iic_init(); }else{ iic_init(); } break; case STEP_IDLE: iic_init(); break; } } void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { if(GPIO_Pin == TWI_SCK_Pin) { if(SCK_READ()){ iic_scl_rising_process(); }else{ iic_scl_falling_process(); } } else if(GPIO_Pin == TWI_SDA_Pin) { iic_sda_process(); } } /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ float x_v; float y_v; #if 1 void IIC_Start(void) { set_sda_mode(SDA_OUT); iic_set_sda_high(); iic_set_sck_high(); HAL_Delay_100us(1); iic_set_sda_low(); HAL_Delay_100us(1); iic_set_sck_low(); } void IIC_Stop(void) { set_sda_mode(SDA_OUT); iic_set_sck_low(); iic_set_sda_low(); HAL_Delay_100us(1); iic_set_sck_high(); iic_set_sda_high(); HAL_Delay_100us(1); set_sda_mode(SDA_IN); //jia } uint8_t IIC_Wait_Ack(void) { uint8_t ucErrTime=0; iic_set_sck_high(); HAL_Delay_100us(1); while(SDA_READ()) { ucErrTime++; if(ucErrTime>250) { IIC_Stop(); return 1; } } iic_set_sck_low(); return 0; } //产生ACK应答 void IIC_Ack(void) { set_sda_mode(SDA_OUT); iic_set_sck_low(); iic_set_sda_low(); HAL_Delay_100us(1); iic_set_sck_high(); HAL_Delay_100us(1); iic_set_sck_low(); set_sda_mode(SDA_IN); //jia } //不产生ACK应答 void IIC_NAck(void) { set_sda_mode(SDA_OUT); iic_set_sck_low(); iic_set_sda_high(); HAL_Delay_100us(1); iic_set_sck_high(); HAL_Delay_100us(1); iic_set_sck_low(); set_sda_mode(SDA_IN); //jia } void IIC_Send_Byte(uint8_t txd) { uint8_t t; set_sda_mode(SDA_OUT); for(t=0;t<8;t++) { iic_set_sck_low(); if((txd&0x80)>>7) iic_set_sda_high(); else iic_set_sda_low(); txd<<=1; HAL_Delay_100us(1); iic_set_sck_high(); HAL_Delay_100us(1); } iic_set_sck_low(); set_sda_mode(SDA_IN); HAL_Delay_100us(1); } //读1个字节，ack=1时，发送ACK，ack=0，发送nACK uint8_t IIC_Read_Byte(unsigned char ack) { unsigned char i,receive=0; set_sda_mode(SDA_IN); for(i=0;i<8;i++ ) { iic_set_sck_low(); HAL_Delay_100us(1); iic_set_sck_high(); receive<<=1; if(SDA_READ())receive++; HAL_Delay_100us(1); } if (!ack) IIC_NAck();//发送nACK else IIC_Ack(); //发送ACK return receive; } void iic_init_h() { GPIO_InitTypeDef GPIO_InitStruct = {0}; #if 1 GPIO_InitStruct.Pin = TWI_SCK_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif #if 1 GPIO_InitStruct.Pin = TWI_SDA_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif /* EXTI interrupt init*/ HAL_NVIC_DisableIRQ(EXTI4_15_IRQn); } #endif void delay_2p5us(){ int i=7; while(i--); } void delay_5us(){ int i=27; while(i--); } int main(void) { uint8_t rec_buf[5] = {0}; HAL_Init(); SystemClock_Config(); MX_GPIO_Init(); MX_ADC_Init(); iic.send_buffer[0] = 0xaa; iic.send_buffer[1] = 0xfe; iic.send_buffer[2] = 0x0e; iic.send_buffer[3] = 0x77; #if 0 iic_init_h(); set_sda_mode(SDA_OUT); while(1){ iic_set_sda_low(); HAL_Delay_100us(1); iic_set_sda_high(); HAL_Delay_100us(1); } #endif #if 0 iic_init_h(); while(1){ iic_set_sck_low(); delay_5us(); iic_set_sck_high(); delay_5us(); } #if 0 while(1){ IIC_Start(); IIC_Send_Byte(0x89); IIC_Wait_Ack(); IIC_Send_Byte(1); IIC_Wait_Ack(); rec_buf[0] = IIC_Read_Byte(1); IIC_Stop(); #if 0 IIC_Start(); IIC_Send_Byte(0x89); IIC_Wait_Ack(); IIC_Send_Byte(1); IIC_Wait_Ack(); rec_buf[1] = IIC_Read_Byte(1); IIC_Stop(); IIC_Start(); IIC_Send_Byte(0x89); IIC_Wait_Ack(); IIC_Send_Byte(2); IIC_Wait_Ack(); rec_buf[2] = IIC_Read_Byte(1); IIC_Stop(); IIC_Start(); IIC_Send_Byte(0x89); IIC_Wait_Ack(); IIC_Send_Byte(3); IIC_Wait_Ack(); rec_buf[3] = IIC_Read_Byte(1); IIC_Stop(); #endif //HAL_Delay_100us_d(2); /**********************************/ #if 0 IIC_Start(); IIC_Send_Byte(0x88); IIC_Wait_Ack(); IIC_Send_Byte(1); IIC_Wait_Ack(); IIC_Send_Byte(0xaa); IIC_Wait_Ack(); IIC_Stop(); IIC_Start(); IIC_Send_Byte(0x88); IIC_Wait_Ack(); IIC_Send_Byte(1); IIC_Wait_Ack(); IIC_Send_Byte(0xf0); IIC_Wait_Ack(); IIC_Stop(); IIC_Start(); IIC_Send_Byte(0x88); IIC_Wait_Ack(); IIC_Send_Byte(2); IIC_Wait_Ack(); IIC_Send_Byte(0xee); IIC_Wait_Ack(); IIC_Stop(); IIC_Start(); IIC_Send_Byte(0x88); IIC_Wait_Ack(); IIC_Send_Byte(3); IIC_Wait_Ack(); IIC_Send_Byte(0xbb); IIC_Wait_Ack(); IIC_Stop(); #endif rec_buf[4] = 0; HAL_Delay_100us_d(500); } #endif #endif #if 1 while (1) { get_map_x_y(&x_v, &y_v); } #endif } /** * @brief System Clock Configuration * @retval None */ void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /** Configure the main internal regulator output voltage */ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ 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; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4; RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2; 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_DIV1; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) { Error_Handler(); } } /* USER CODE BEGIN 4 */ /* 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 */ __disable_irq(); while (1) { } /* 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, ex: 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****/
