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+/**
+ ******************************************************************************
+ * File Name : main.c
+ * Description : Main program body
+ ******************************************************************************
+ *
+ * Copyright (c) 2017 STMicroelectronics International N.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted, provided that the following conditions are met:
+ *
+ * 1. Redistribution of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of other
+ * contributors to this software may be used to endorse or promote products
+ * derived from this software without specific written permission.
+ * 4. This software, including modifications and/or derivative works of this
+ * software, must execute solely and exclusively on microcontroller or
+ * microprocessor devices manufactured by or for STMicroelectronics.
+ * 5. Redistribution and use of this software other than as permitted under
+ * this license is void and will automatically terminate your rights under
+ * this license.
+ *
+ * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+ * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
+ * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#include "stm32f1xx_hal.h"
+#include "usb_device.h"
+
+/* USER CODE BEGIN Includes */
+#include "radio-controller.h"
+/* USER CODE END Includes */
+
+/* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef htim1;
+DMA_HandleTypeDef hdma_tim1_ch1;
+
+UART_HandleTypeDef huart2;
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+void Error_Handler(void);
+static void MX_GPIO_Init(void);
+static void MX_DMA_Init(void);
+static void MX_TIM1_Init(void);
+static void MX_USART2_UART_Init(void);
+
+/* USER CODE BEGIN PFP */
+/* Private function prototypes -----------------------------------------------*/
+
+/* USER CODE END PFP */
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+int main(void)
+{
+
+ /* USER CODE BEGIN 1 */
+ main_pre_init();
+ /* USER CODE END 1 */
+
+ /* MCU Configuration----------------------------------------------------------*/
+
+ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+ HAL_Init();
+
+ /* Configure the system clock */
+ SystemClock_Config();
+
+ /* Initialize all configured peripherals */
+ MX_GPIO_Init();
+ MX_DMA_Init();
+ MX_TIM1_Init();
+ MX_USB_DEVICE_Init();
+ MX_USART2_UART_Init();
+
+ /* USER CODE BEGIN 2 */
+ main_post_init();
+ /* USER CODE END 2 */
+
+ /* Infinite loop */
+ /* USER CODE BEGIN WHILE */
+ while (1)
+ {
+ /* USER CODE END WHILE */
+
+ /* USER CODE BEGIN 3 */
+ main_loop();
+ }
+ /* USER CODE END 3 */
+
+}
+
+/** System Clock Configuration
+*/
+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_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ /**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_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+ PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ /**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);
+}
+
+/* TIM1 init function */
+static void MX_TIM1_Init(void)
+{
+
+ TIM_MasterConfigTypeDef sMasterConfig;
+ TIM_IC_InitTypeDef sConfigIC;
+
+ htim1.Instance = TIM1;
+ htim1.Init.Prescaler = RX_TIMER_PRESCALER;
+ htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
+ htim1.Init.Period = 65535;
+ htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+ htim1.Init.RepetitionCounter = 0;
+ if (HAL_TIM_IC_Init(&htim1) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+ sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+ if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+ sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
+ sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
+ sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
+ sConfigIC.ICFilter = 0;
+ if (HAL_TIM_IC_ConfigChannel(&htim1, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+}
+
+/* USART2 init function */
+static void MX_USART2_UART_Init(void)
+{
+
+ huart2.Instance = USART2;
+ huart2.Init.BaudRate = 115200;
+ huart2.Init.WordLength = UART_WORDLENGTH_8B;
+ huart2.Init.StopBits = UART_STOPBITS_1;
+ huart2.Init.Parity = UART_PARITY_NONE;
+ huart2.Init.Mode = UART_MODE_TX_RX;
+ huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+ huart2.Init.OverSampling = UART_OVERSAMPLING_16;
+ if (HAL_UART_Init(&huart2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+}
+
+/**
+ * Enable DMA controller clock
+ */
+static void MX_DMA_Init(void)
+{
+ /* DMA controller clock enable */
+ __HAL_RCC_DMA1_CLK_ENABLE();
+
+ /* DMA interrupt init */
+ /* DMA1_Channel2_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 0, 0);
+ HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
+
+}
+
+/** Configure pins as
+ * Analog
+ * Input
+ * Output
+ * EVENT_OUT
+ * EXTI
+*/
+static void MX_GPIO_Init(void)
+{
+
+ /* GPIO Ports Clock Enable */
+ __HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOD_CLK_ENABLE();
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+
+}
+
+/* USER CODE BEGIN 4 */
+
+/* USER CODE END 4 */
+
+/**
+ * @brief This function is executed in case of error occurrence.
+ * @param None
+ * @retval None
+ */
+void Error_Handler(void)
+{
+ /* USER CODE BEGIN Error_Handler */
+ /* User can add his own implementation to report the HAL error return state */
+ while(1)
+ {
+ }
+ /* USER CODE END Error_Handler */
+}
+
+#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
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/