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- /**
- ******************************************************************************
- * @file : main.c
- * @brief : Main program body
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "stm32f1xx_hal.h"
- /* USER CODE BEGIN Includes */
- /* USER CODE END Includes */
- /* Private variables ---------------------------------------------------------*/
- ADC_HandleTypeDef hadc1;
- __IO uint32_t ADC_val = 1;
- /* USER CODE BEGIN PV */
- /* Private variables ---------------------------------------------------------*/
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void MX_GPIO_Init(void);
- static void MX_ADC1_Init(void);
- static void MX_NVIC_Init(void);
- /* USER CODE BEGIN PFP */
- /* Private function prototypes -----------------------------------------------*/
- /* USER CODE END PFP */
- /* USER CODE BEGIN 0 */
- /* USER CODE END 0 */
- /**
- * @brief The application entry point.
- *
- * @retval None
- */
- int main(void)
- {
- HAL_Init();
- SystemClock_Config();
- MX_GPIO_Init();
- MX_ADC1_Init();
- MX_NVIC_Init();
- HAL_ADC_Start_IT(&hadc1);
- while (1)
- {
- /*
- if (HAL_ADC_PollForConversion(&hadc1, 10000) == HAL_OK)
- {
- ADC_val = HAL_ADC_GetValue(&hadc1);
- }
- */
- HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
- HAL_Delay(ADC_val/10);
- /*
- if (HAL_GPIO_ReadPin(BTN1_GPIO_Port, BTN1_Pin)) {
- HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
- HAL_Delay(ADC_val/10);
- }
- else {
- HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);
- }
- */
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
- RCC_PeriphCLKInitTypeDef PeriphClkInit;
- /**Initializes the CPU, AHB and APB busses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = 16;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- _Error_Handler(__FILE__, __LINE__);
- }
- /**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_HSI;
- 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_0) != HAL_OK)
- {
- _Error_Handler(__FILE__, __LINE__);
- }
- PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
- PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
- if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
- {
- _Error_Handler(__FILE__, __LINE__);
- }
- /**Configure the Systick interrupt time
- */
- HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
- /**Configure the Systick
- */
- HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
- /* SysTick_IRQn interrupt configuration */
- HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
- }
- /**
- * @brief NVIC Configuration.
- * @retval None
- */
- static void MX_NVIC_Init(void)
- {
- /* ADC1_2_IRQn interrupt configuration */
- HAL_NVIC_SetPriority(ADC1_2_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(ADC1_2_IRQn);
- }
- /* ADC1 init function */
- static void MX_ADC1_Init(void)
- {
- ADC_ChannelConfTypeDef sConfig;
- /**Common config
- */
- hadc1.Instance = ADC1;
- hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
- hadc1.Init.ContinuousConvMode = DISABLE;
- hadc1.Init.DiscontinuousConvMode = DISABLE;
- hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
- hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
- hadc1.Init.NbrOfConversion = 1;
- if (HAL_ADC_Init(&hadc1) != HAL_OK)
- {
- _Error_Handler(__FILE__, __LINE__);
- }
- /**Configure Regular Channel
- */
- sConfig.Channel = ADC_CHANNEL_3;
- sConfig.Rank = ADC_REGULAR_RANK_1;
- sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
- if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
- {
- _Error_Handler(__FILE__, __LINE__);
- }
- }
- /** Configure pins as
- * Analog
- * Input
- * Output
- * EVENT_OUT
- * EXTI
- */
- static void MX_GPIO_Init(void)
- {
- GPIO_InitTypeDef GPIO_InitStruct;
- /* GPIO Ports Clock Enable */
- __HAL_RCC_GPIOA_CLK_ENABLE();
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);
- /*Configure GPIO pin : BTN1_Pin */
- GPIO_InitStruct.Pin = BTN1_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- HAL_GPIO_Init(BTN1_GPIO_Port, &GPIO_InitStruct);
- /*Configure GPIO pin : LED1_Pin */
- GPIO_InitStruct.Pin = LED1_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(LED1_GPIO_Port, &GPIO_InitStruct);
- }
- /* USER CODE BEGIN 4 */
- void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
- {
- ADC_val = HAL_ADC_GetValue(hadc);
- }
- void ADC_IRQHandler()
- {
- HAL_ADC_IRQHandler(&hadc1);
- }
- /* USER CODE END 4 */
- /**
- * @brief This function is executed in case of error occurrence.
- * @param file: The file name as string.
- * @param line: The line in file as a number.
- * @retval None
- */
- void _Error_Handler(char *file, int line)
- {
- /* USER CODE BEGIN Error_Handler_Debug */
- /* User can add his own implementation to report the HAL error return state */
- 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,
- 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****/
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