Diff: main.c

Revision:

0:7b78e040f288

diff -r 000000000000 -r 7b78e040f288 main.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.c	Wed Oct 05 10:24:06 2016 +0000
@@ -0,0 +1,131 @@
+/**
+  ******************************************************************************
+  * @file    main.c
+  * @author  Ac6
+  * @version V1.0
+  * @date    01-December-2013
+  * @brief   Default main function.
+  ******************************************************************************
+*/
+
+
+#include "stm32l4xx.h"
+#include "stm32l476g_discovery.h"
+#include "main.h"
+
+void Error_Handler(void);
+void SystemClock_Config(void);
+
+UART_HandleTypeDef UartHandle;
+uint8_t buf[2];
+
+int main(void)
+{
+	uint8_t sbuf[] = "abcd";
+
+	HAL_Init();
+	SystemClock_Config();
+	//BSP_LED_Init(LED4);
+	//BSP_LED_Init(LED5);
+
+	//UartHandle.Instance = USART1;
+	UartHandle.Instance        = USARTx;
+
+	  UartHandle.Init.BaudRate   = 9600;
+	  UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
+	  UartHandle.Init.StopBits   = UART_STOPBITS_1;
+	  UartHandle.Init.Parity     = UART_PARITY_NONE;
+	  UartHandle.Init.HwFlowCtl  = UART_HWCONTROL_NONE;
+	  UartHandle.Init.Mode       = UART_MODE_TX_RX;
+
+	  if (HAL_UART_Init(&UartHandle) != HAL_OK)
+	  {
+	    /* Initialization Error */
+	    Error_Handler();
+	  }
+
+	//if (HAL_UART_DeInit(&usart_init) != HAL_OK) {
+	//	Error_Handler();
+	//}
+	//if (HAL_UART_Init(&usart_init) != HAL_OK) {
+	//	Error_Handler();
+	//}
+
+	//if (HAL_UART_Transmit(&UartHandle, (uint8_t*)sbuf, 4, 5000) != HAL_OK) {
+	//	Error_Handler();
+	//}z
+	//if (HAL_UART_Receive(&UartHandle, (uint8_t*)buf, 1, 0x1fffffff) != HAL_OK) {
+	//	Error_Handler();
+	//}
+	if (HAL_UART_Transmit_DMA(&UartHandle, (uint8_t*)sbuf, 4) != HAL_OK) {
+		Error_Handler();
+	}
+	if (HAL_UART_Receive_IT(&UartHandle, (uint8_t*)buf, 2) != HAL_OK) {
+			Error_Handler();
+	}
+
+	while(1);
+}
+
+void SystemClock_Config(void) {
+	  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+	  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+
+	  /* MSI is enabled after System reset, activate PLL with MSI as source */
+	  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
+	  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
+	  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
+	  RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
+	  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+	  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
+	  RCC_OscInitStruct.PLL.PLLM = 1;
+	  RCC_OscInitStruct.PLL.PLLN = 40;
+	  RCC_OscInitStruct.PLL.PLLR = 2;
+	  RCC_OscInitStruct.PLL.PLLP = 7;
+	  RCC_OscInitStruct.PLL.PLLQ = 4;
+	  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+	  {
+	    /* Initialization Error */
+	    while(1);
+	  }
+
+	  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
+	     clocks dividers */
+	  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+	  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+	  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_4) != HAL_OK)
+	  {
+	    /* Initialization Error */
+	    while(1);
+	  }
+}
+
+void Error_Handler(void)
+{
+  /* Turn LED1 on */
+  //BSP_LED_On(LED4);
+  while(1)
+  {
+    /* Error if LED1 is slowly blinking (1 sec. period) */
+    //BSP_LED_Toggle(LED4);
+    HAL_Delay(1000);
+  }
+}
+
+void HAL_UART_RxCpltCallback(UART_HandleTypeDef * huart) {
+	//BSP_LED_On(LED4);
+}
+
+void HAL_UART_TxCpltCallback(UART_HandleTypeDef * huart) {
+	//BSP_LED_On(LED5);
+}
+
+void HAL_UART_ErrorCallback(UART_HandleTypeDef * huart) {
+	while(1) {
+
+	}
+}
+