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/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @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 "main.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 */ /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ int main(void) { /* USER CODE BEGIN 1 */ void overflow_animation(int overflow_count){ HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_RESET); HAL_Delay(250); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14, GPIO_PIN_SET); HAL_Delay(250); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14, GPIO_PIN_RESET); HAL_Delay(500); for (int i = 0; i < abs(overflow_count); i++){ if (overflow_count > 0){ HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_SET); HAL_Delay(250); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_RESET); HAL_Delay(250); } else { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_SET); HAL_Delay(250); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_RESET); HAL_Delay(250); } } } /* 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(); /* USER CODE BEGIN 2 */ int count = 1; int overflow_count = 0; _Bool was_pressed = 0; _Bool is_long_press = 0; uint32_t wait = 500; /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { int start_time; int button_state = HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_15); was_pressed = 0; is_long_press = 0; if(!button_state){ start_time = HAL_GetTick(); } while (!button_state){ was_pressed = 1; if (HAL_GetTick() - start_time >= wait){ is_long_press = 1; } button_state = HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_15); } if (was_pressed){ !is_long_press ? count++ : count--; } if (count < 0){ count = 3; overflow_count--; overflow_animation(overflow_count); } if (count == 0 || count >= 4){ HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_RESET); if (count >= 4){ count = 0; overflow_count++; overflow_animation(overflow_count); } } if (count == 1){ HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_RESET); } if (count == 2){ HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_SET); } if (count == 3){ HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_SET); } /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ } /* USER CODE END 3 */ } /** * @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_RCC_PWR_CLK_ENABLE(); __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3); /** 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_NONE; 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_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(); } } /* 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 */