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/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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* @brief Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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ADC_HandleTypeDef AdcHandle;
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uint16_t aADCxConvertedData;
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TIM_HandleTypeDef TimHandle;
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TIM_MasterConfigTypeDef sMasterConfig;
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uint16_t T_VCC;
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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static void APP_SystemClockConfig(void);
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static void APP_AdcConfig(void);
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/**
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* @brief Main program.
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* @retval int
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*/
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int main(void)
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{
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/* Reset of all peripherals, Initializes the Systick. */
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HAL_Init();
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/* System clock configuration */
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APP_SystemClockConfig();
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/* Initialize LED */
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BSP_LED_Init(LED_GREEN);
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/* Initialize UART */
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BSP_USART_Config();
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/* Configure ADC */
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APP_AdcConfig();
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/* ADC Calibrate */
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if (HAL_ADCEx_Calibration_Start(&AdcHandle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* ADC Start */
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HAL_ADC_Start(&AdcHandle);
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while(1)
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{
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/* Poll For ADC Conversion */
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if(HAL_ADC_PollForConversion(&AdcHandle, 2000) == HAL_OK)
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{
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/* Get ADC Value */
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aADCxConvertedData = HAL_ADC_GetValue(&AdcHandle);
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T_VCC = 4095*1200/aADCxConvertedData;
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/* Printf VCC Data */
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printf("VCC : %umV",(unsigned int)T_VCC);
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}
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HAL_Delay(1000);
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}
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}
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/**
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* @brief ADC configure function
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* @param None
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* @retval None
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*/
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static void APP_AdcConfig(void)
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{
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ADC_ChannelConfTypeDef sConfig={0};
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RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInit={0};
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__HAL_RCC_ADC1_CLK_ENABLE(); /* Enable ADC Clock */
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RCC_PeriphCLKInit.PeriphClockSelection= RCC_PERIPHCLK_ADC;
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RCC_PeriphCLKInit.AdcClockSelection = RCC_ADCPCLK2_DIV8;
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HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInit);
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AdcHandle.Instance = ADC1;
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AdcHandle.Init.Resolution = ADC_RESOLUTION_12B; /* 12-bit resolution for converted data */
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AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT; /* Right-alignment for converted data */
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AdcHandle.Init.ScanConvMode = ADC_SCAN_DISABLE; /* Scan Mode Disable */
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AdcHandle.Init.ContinuousConvMode = ENABLE; /* Continuous Mode */
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AdcHandle.Init.NbrOfConversion = 1; /* Conversion Number 1 */
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AdcHandle.Init.DiscontinuousConvMode = DISABLE; /* Disable Discontinuous Mode */
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AdcHandle.Init.NbrOfDiscConversion = 1; /* Discontinuous Number 1 */
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AdcHandle.Init.ExternalTrigConv = ADC_SOFTWARE_START; /* Software Trigger */
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if (HAL_ADC_Init(&AdcHandle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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sConfig.Channel = ADC_CHANNEL_VREFINT;
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sConfig.Rank = ADC_REGULAR_RANK_1;
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sConfig.SamplingTime = ADC_SAMPLETIME_28CYCLES_5;
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/* ADC Channel Configure */
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if (HAL_ADC_ConfigChannel(&AdcHandle, &sConfig) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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/**
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* @brief System clock configuration function.
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* @param None
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* @retval None
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*/
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static void APP_SystemClockConfig(void)
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{
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RCC_OscInitTypeDef OscInitstruct = {0};
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RCC_ClkInitTypeDef ClkInitstruct = {0};
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OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE |
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RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M;
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OscInitstruct.HSEState = RCC_HSE_OFF; /* Disable HSE */
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/* OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; */ /* HSE frequency range 16~32M */
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OscInitstruct.HSI48MState = RCC_HSI48M_OFF; /* Disable HSI48M */
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OscInitstruct.HSIState = RCC_HSI_ON; /* Enable HSI */
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OscInitstruct.LSEState = RCC_LSE_OFF; /* Disable HSE */
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/* OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; */ /* LSEDrive ：High */
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OscInitstruct.LSIState = RCC_LSI_OFF; /* Disable LSI */
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OscInitstruct.PLL.PLLState = RCC_PLL_OFF; /* Disable PLL */
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/* OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; */ /* PLL clock source selection HSE */
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/* OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL6; */ /* PLL clock source 6-fold frequency */
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/* Configure oscillator */
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if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; /* Select HSI as system clock */
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ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* AHB clock 1 division */
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ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* APB1 clock 1 division */
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ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV1; /* APB2 clock 1 division */
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/* Configure clock source */
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if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_0) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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void APP_ErrorHandler(void)
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{
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while (1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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