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#include "main.h" //Main Header File |
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#include "stm32f1xx_hal.h" //Hal drivers included for stm32f103c8t |
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void SystemClock_Config(void); //System clock Configuration |
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void Error_Handler(void); //Error HAndler |
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static void MX_GPIO_Init(void); //GPIO Initialization |
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int main(void) //Main function |
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{ |
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//MCU Configuration |
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//Reset of all peripherals, Initializes the Flash interface and the Systick |
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HAL_Init(); |
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//Configure the system clock |
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SystemClock_Config(); |
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//Initialize all configured peripherals |
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MX_GPIO_Init(); |
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while (1) |
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{ |
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if(HAL_GPIO_ReadPin(Ibutton_GPIO_Port, Ibutton_Pin)==GPIO_PIN_RESET) //Check if button pressed |
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HAL_GPIO_WritePin(Led_GPIO_Port, Led_Pin,GPIO_PIN_SET); //If pressed Led Switch On |
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else |
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HAL_GPIO_WritePin(Led_GPIO_Port, Led_Pin,GPIO_PIN_RESET); //Else Led Switch Off |
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} |
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} |
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void SystemClock_Config(void) // System Clock Configuration |
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{ |
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RCC_OscInitTypeDef RCC_OscInitStruct; |
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RCC_ClkInitTypeDef RCC_ClkInitStruct; |
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; //HSI oscillator used |
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RCC_OscInitStruct.HSIState = RCC_HSI_ON; |
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RCC_OscInitStruct.HSICalibrationValue = 16; |
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; |
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) |
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{ |
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Error_Handler(); |
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} |
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; |
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; |
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; |
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; |
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) |
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{ |
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Error_Handler(); |
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} |
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/**Configure the Systick interrupt time |
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*/ |
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HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); |
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/**Configure the Systick |
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*/ |
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HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK); |
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/* SysTick_IRQn interrupt configuration */ |
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HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); |
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} |
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static void MX_GPIO_Init(void) //GPIO Initialization |
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{ |
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GPIO_InitTypeDef GPIO_InitStruct; |
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/* GPIO Ports Clock Enable */ |
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__HAL_RCC_GPIOC_CLK_ENABLE(); |
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__HAL_RCC_GPIOA_CLK_ENABLE(); |
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/*Configure GPIO pin Output Level */ |
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HAL_GPIO_WritePin(Led_GPIO_Port, Led_Pin, GPIO_PIN_SET); |
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/*Configure GPIO pin : Led_Pin */ |
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GPIO_InitStruct.Pin = Led_Pin; |
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; //Led as Output |
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM; |
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HAL_GPIO_Init(Led_GPIO_Port, &GPIO_InitStruct); |
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/*Configure GPIO pin : Ibutton_Pin */ |
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GPIO_InitStruct.Pin = Ibutton_Pin; |
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT; //Button as input |
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GPIO_InitStruct.Pull = GPIO_PULLUP; |
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HAL_GPIO_Init(Ibutton_GPIO_Port, &GPIO_InitStruct); |
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} |
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void Error_Handler(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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void assert_failed(uint8_t* file, uint32_t line) |
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{ |
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} |
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#endif |
