162 lines
4.2 KiB
C
162 lines
4.2 KiB
C
#include "mcu_init.h"
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int fputc(int ch, FILE *f)
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{
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if (ch == '\n') {
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HAL_UART_Transmit(&huart1, (void *)"\r", 1,30000);
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}
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HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF);
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return ch;
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}
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int _write(int fd, char *ptr, int len)
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{
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(void)HAL_UART_Transmit(&huart1, (uint8_t *)ptr, len, 0xFFFF);
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return len;
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}
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int fgetc(FILE *f)
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{
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/* Place your implementation of fgetc here */
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/* e.g. readwrite a character to the USART2 and Loop until the end of transmission */
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uint8_t ch = 0;
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HAL_UART_Receive(&huart1, &ch, 1,30000);
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return ch;
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}
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/*
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* mqtt connect to tencent cloud with sim800a demo
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*/
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void sim800a_power_on(void)
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{
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HAL_GPIO_WritePin(GPRS_PWR_GPIO_Port, GPRS_PWR_Pin, GPIO_PIN_RESET);
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HAL_Delay(2000);
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HAL_GPIO_WritePin(GPRS_PWR_GPIO_Port, GPRS_PWR_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(GPRS_P_EN_GPIO_Port, GPRS_P_EN_Pin, GPIO_PIN_SET);
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HAL_Delay(5000);
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}
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/**
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* @brief bsp hardware init
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* @retval None
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*/
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void board_init(void)
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{
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HAL_Init();
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SystemClock_Config();
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MX_GPIO_Init();
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MX_USART1_UART_Init();
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//MX_USART2_UART_Init();
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MX_USART3_UART_Init();
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hal_spi_flash_config();
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MX_USB_PCD_Init();
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MX_ADC1_Init();
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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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_PeriphCLKInitTypeDef PeriphClkInit;
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/**Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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_Error_Handler(__FILE__, __LINE__);
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}
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/**Initializes the CPU, AHB and APB busses clocks
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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_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
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{
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_Error_Handler(__FILE__, __LINE__);
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}
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC|RCC_PERIPHCLK_USB;
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PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
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PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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_Error_Handler(__FILE__, __LINE__);
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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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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @param file: The file name as string.
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* @param line: The line in file as a number.
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* @retval None
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*/
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void _Error_Handler(char *file, int line)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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while(1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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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 CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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