convert usart.c to cpp class

Core/Src/main.cpp

@@ -67,47 +67,27 @@ void SystemClock_Config(void);
   */
 int main(void) {
 
-    /* USER CODE BEGIN 1 */
-
-    /* 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();
 
     driver::usart::Usart usart2(USART2, 115200, UART_WORDLENGTH_8B, UART_STOPBITS_1,
                                 UART_PARITY_NONE, UART_MODE_TX_RX, UART_HWCONTROL_NONE,
                                 UART_OVERSAMPLING_16);
+
     usart2.init();
-    /* USER CODE BEGIN 2 */
+    usart2.println("\r\nWeight cell init.");
 
-    /* USER CODE END 2 */
-
-    /* Infinite loop */
-    /* USER CODE BEGIN WHILE */
     while (1) {
-        usart2.println("This is a pretty long string, exceeding TX bufsize. Hello, world!11!");
-        HAL_Delay(500);
-        /* USER CODE END WHILE */
+        usart2.println("\r\n Hello, world!  cell init.");
 
-        /* USER CODE BEGIN 3 */
+        HAL_Delay(500);
     }
-    /* USER CODE END 3 */
 }
 
 /**
@@ -139,8 +119,7 @@ void SystemClock_Config(void) {
         Error_Handler();
     }
 
-    /** Initializes the CPU, AHB and APB buses clocks
-  */
+    /** 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_PLLCLK;