STM32F103C8T6 CUBE MX VE KEIL5 DERS4 USART

[skara1214]

5. ders hayırlı olsun

https://www.youtube.com/watch?v=zMsThjMpSoc

/**
  ******************************************************************************
  * File Name          : main.c
  * Description        : Main program body
  ******************************************************************************
  *
  * COPYRIGHT(c) 2017 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions 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 its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "stm32f1xx_hal.h"
#include "stdlib.h"
#include <string.h>
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/

#define  USART1_ENABLE    							USART1->CR1|=0X00000200//USART ENABLE
#define  USART1_DISABLE   							USART1->CR1&=0XFFFFFDFF//USART DISABLE

#define  USART1_8BIT                                               		USART1->CR1|=0x00001000 //DATA UZUNLUGU 8 BIT
#define  USART1_9BIT                                                    	USART1->CR1&=0xFFFFEFFF //DATA UZUNLUGU 9 BIT

#define  USART1_IDLE_WAKEUP                                           		USART1->CR1&=0xFFFFF7FF//IDLE WAKE UP
#define  USART1_ADRESS_WAKEUP                                    		USART1->CR1|=0x00000800//ADRESS WAKE UP				

#define  USART1_PARITY_CONTROL_ENABLE                                  		USART1->CR1|=0x00000400 //PARITY CHECK ENABLE 
#define  USART1_PARITY_CONTROL_DISABLE                                 		USART1->CR1&=0xFFFFFBFF //PARITY CHECH DISABLE

#define  USART1_ODD_PARITY                                              	USART1->CR1|=0x00000200 //ODD PARITY
#define  USART1_EVEN_PARITY                                                     USART1->CR1&=0xFDFF //EVEN PARITY

#define  USART1_PE_INTERRUPT_ENABLE                                     	USART1->CR1|=0x00000100//PARITY ERROR  INTERRUPT ENABLE
#define  USART1_PE_INTERRUPT_DISABLE                                    	USART1->CR1&=0xFDFF//PARITY ERROR  INTERRUPT DISABLE

#define  USART1_TXE_INTERRUPT_ENABLE                                                USART1->CR1|=0x00000080//TRANSMIT BUFFER NOT EMPTY INTERRUPT ENABLE
#define  USART1_TXE_INTERRUPT_DISABLE                                               USART1->CR1&=0xFF7F//TRANSMIT BUFFER NOT EMPTY INTERRUPT DISABLE

#define  USART1_TC_INTERRUPT_ENABLE                           			USART1->CR1|=0x00000040//TRANSMIT COMPLETE INTERRUPT ENABLE
#define  USART1_TC_INTERRUPT_DISABLE                        			USART1->CR1&=0xFFBF//TRANSMIT COMPLETE INTERRUPT DISABLE

#define  USART1_RXNE_INTERRUPT_ENABLE                                               USART1->CR1|=0x00000020//RECEIVE BUFFER NOT EMPTY INTERRUPT ENABLE
#define  USART1_RXNE_INTERRUPT_DISABLE                                              USART1->CR1&=0xFFDF//RECEIVE BUFFER NOT EMPTY INTERRUPT DISABLE

#define  USART1_IDLE_INTERRUPT_ENABLE                                               USART1->CR1|=0x00000010//IDLE DETECTION  INTERRUPT ENABLE
#define  USART1_IDLE_INTERRUPT_DISABLE                                              USART1->CR1&=0xFFEF//IDLE DETECTION  INTERRUPT DISABLE

#define  USART1_ERR_INTERRUPT_ENABLE                                         	USART1->CR3|=0x00000001 //ERROR INTERRUPT ENABLE
#define  USART1_ERR_INTERRUPT_DISABLE                                        	USART1->CR3&=0xFFFFFFFE //ERROR INTERRUPT DISABLE

#define  USART1_TX_ENA                                                           USART1->CR1|=0x00000008//TRANSMIT ENABLE
#define  USART1_TX_DIS                                                         	 USART1->CR1&=0xFFF7//TRANSMIT DISABLE

#define  USART1_RX_ENA                                                           USART1->CR1|=0x00000004 //RECEIVE ENABLE
#define  USART1_RX_DIS                                                           USART1->CR1&=0xFFFB //URECEIVE DISABLE

#define  USART1_ACTIVE_MODE_CHECK                                                 !(USART1->CR1&0x00000002)//ACTIVE MODE CHECK
#define  USART1_MUTE_MODE_CHECK                                                   USART1->CR1&0x00000002//MUTE MODE CHECK

#define  USART1_SEND_BREAK                                                        USART1->CR1|=0x00000001//SEND BREAK

#define  USART1_DATA                                                              USART1->DR //DATA REGISTER

#define  USART1_RWU_SET                                                          USART1->CR1|=0x00000002//USARTI MUTE MODA AL
#define  USART1_RWU_RESET                                                        USART1->CR1&=0xFFFFFFFD//USARTI ACTIVE MODA AL

#define  USART1_ADRESS																															USART1->CR2 //USART ADRESI AYARLA *** STOP BIT VE LIN BURADAN AYARLANIYOR DIKKAT

//USART1 TANIMLAMALARI
#define  USART1_ERR_FLAG                                                          (USART1->SR&0x0000000F)//HERHANGI BIR ERROR VARMI KONTROL ET
#define  USART1_TC_FLAG                                			          (USART1->SR&0x00000040)//TRANSFER COMPLETE BITIMI KONTROL ET
#define  USART1_RX_FLAG                                 			  (USART1->SR&0x00000020)//RECEIVE BUFFEINDA DATA VARMI KONTROL ET
#define  USART1_RX_FLAG_CLEAR                               			   USART1->SR&=0xFFFFFFDF //RECEIVE FLAGI TEMIZLE
#define  USART1_TC_FLAG_CLEAR                     			           USART1->SR&=0xFFFFFFBF//USART TRANSFER COMPLETE FLAGI TEMIZLE 
#define  USART1_TXE_FLG                                                           (USART1->SR&0x00000080)    //TRANSMIT BUFFER EMPTY FLAG
#define  USART1_IDLE_FLG                                                          (USART1->SR&0x00000010)    //IDLE LINE FLAG
#define  USART1_OVR_FLG                                                           (USART1->SR&0x00000008)    //OVERRUN ERROR FLAG
#define  USART1_NE_FLG                                                            (USART1->SR&0x00000004)    //NOISE ERROR FLAG
#define  USART1_FE_FLG                                                            (USART1->SR&0x00000002)    //FRAMING ERROR FLAG
#define  USART1_PE_FLG                                                            (USART1->SR&0x00000001)    //PARITY ERROR FLAG
/* USER CODE END Includes */
UART_HandleTypeDef huart1;

/* 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_USART1_UART_Init(void);

void USART_put(USART_TypeDef *USARTx , volatile char ch)
{
	USARTx->DR=ch;
	while(!USART1_TXE_FLG);
	while(!USART1_TC_FLAG);
} 
void USART_printf(USART_TypeDef *USARTx , volatile char *str)
{
	//pin high
while(*str)
{
	USARTx->DR=*str;
	while(!USART1_TXE_FLG);
	*str++;
}
while(!USART1_TC_FLAG);
//pin low
}

char cevap[100],dummy;
void USART1_IRQHandler(void)
{
char dummy_usart1=0;

if(USART1_ERR_FLAG)// herhangi bir error varmi kontrol et 
   {   
   USART1_RX_DIS;// uarti disable et
   dummy_usart1=USART1->SR; // uarti sifirlamak icin yapilmasi gereken adimlar
   dummy_usart1=USART1->DR; // uarti sifirlamak icin yapilmasi gereken adimlar
   dummy_usart1=USART1->SR; // uarti sifirlamak icin yapilmasi gereken adimlar
   USART1_RX_ENA;
		 
   }

else if(USART1_RX_FLAG)//RECEIVE REGISTERA DATA VARMI BAK
  {	
	dummy_usart1=USART1_DATA;//DATAYI AL
	sprintf(cevap,"OK %u\n\r",5);//degerleri cevap stringine at
  USART_printf(USART1,&cevap[0]);
  USART1_RX_FLAG_CLEAR;
	
  }
    HAL_UART_IRQHandler(&huart1);
}


/* 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 */

  /* 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_USART1_UART_Init();

  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
	//	sprintf(cevap,"OK\n\r");
  while (1)
  {
  /* USER CODE END WHILE */
  //USART_printf(USART1,&cevap[0]);
//		HAL_Delay(1000);
  /* USER CODE BEGIN 3 */

  }
  /* USER CODE END 3 */

}

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  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();
  }

  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();
  }

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

/* USART1 init function */
static void MX_USART1_UART_Init(void)
{

  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
	
  USART1_DISABLE;
  USART1_RXNE_INTERRUPT_ENABLE ;
  USART1_ERR_INTERRUPT_ENABLE ;
  USART1_TX_ENA;
  USART1_RX_ENA ;
  dummy=USART1_DATA;
  USART1_ENABLE;
}
/** Configure pins as 
        * Analog 
        * Input 
        * Output
        * EVENT_OUT
        * EXTI
*/
static void MX_GPIO_Init(void)
{

  /* GPIO Ports Clock 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****/

[skara1214]

bu arada printf i interruptin içinde kullandım   sırf oku yazma aynı örnekte olsun diye yoksa kendi bahsettiğim hatayı siz yapmayın(interrupt içinde beklemeyi)