/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
UART_HandleTypeDef huart3;

/* USER CODE BEGIN PV */
#define PREF_SMS_STORAGE "\"SM\""
uint8_t slot = 0;
//uint8_t rx_buffer[100] = {0};
uint8_t rx_index = 0;
uint8_t rx_data;

int8_t Tx_data[34];
int8_t Rx_data[31];
int8_t sms_data[14];

char veri[2];

uint8_t drm;
uint8_t baslangic_h;
uint8_t kanal;
uint8_t adres;
uint8_t baslangic_m;
uint8_t bitis_h;
uint8_t bitis_m;
uint8_t cikis_;
  char destination[25];
  int start = 1;
  int len = 2;


char mobileNumber[] = "+905432259912";  // Enter the Mobile Number you want to send to
char msj[50];  // Enter the Mobile Number you want to send to
char ATcommand[80];
  uint8_t buffer[100] = {0};
  uint8_t ATisOK = 0;
  uint8_t msjDrm=0;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART2_UART_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_USART3_UART_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */




void sms_gonder(char mesaj[])
{

	if(ATisOK==0){
		  		sprintf(ATcommand,"AT\r\n");
		  		HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
		  		HAL_UART_Receive (&huart1, buffer, 30, 100);
		  		HAL_Delay(1000);
		  		if(strstr((char *)buffer,"OK")){
		  			ATisOK = 1;
		  		}
		  		HAL_Delay(1000);
		  		memset(buffer,0,sizeof(buffer));
	}

	 sprintf(ATcommand,"at+cmgda=\"del all\"\n\r");
	  HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
	  HAL_UART_Receive (&huart1, buffer, 30, 100);
	  HAL_Delay(1000);
	  if(strstr((char *)buffer,"OK")){
	  	  	ATisOK = 1;
	  }
	  HAL_Delay(1000);
	  memset(buffer,0,sizeof(buffer));



	 /* sprintf(ATcommand,"AT+CMGF=1\r\n");
	  HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
	  HAL_UART_Receive (&huart1, buffer, 30, 100);
	  HAL_Delay(100);
	  memset(buffer,0,sizeof(buffer));*/

	 // Send AT+CNMI=2,1 to enable notification when SMS arrives
	    sprintf(ATcommand,"AT+CNMI=0,0\r\n");
	    HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
	    // Enabling interrupt receive
	    HAL_Delay(100);

	  sprintf(ATcommand,"AT+CMGS=\"%s\"\r\n",mobileNumber);
	  HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
	  HAL_Delay(100);
	  sprintf(ATcommand,"%s%c",mesaj,0x1a);
	  HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
	  HAL_UART_Receive (&huart1, buffer, 30, 100);
	  memset(buffer,0,sizeof(buffer));
	  HAL_Delay(100);

	  // Send AT+CNMI=2,1 to enable notification when SMS arrives
	     sprintf(ATcommand,"AT+CNMI=2,1\r\n");
	     HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
	     // Enabling interrupt receive

}




// Function to implement substring function in C
char* substring(char *destination, const char *source, int beg, int n)
{
    // extracts `n` characters from the source string starting from `beg` index
    // and copy them into the destination string
    while (n > 0)
    {
        *destination = *(source + beg);

        destination++;
        source++;
        n--;
    }

    // null terminate destination string
    *destination = '\0';

    // return the destination string
    return destination;
}


/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
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();
  MX_USART2_UART_Init();
  MX_USART1_UART_Init();
  MX_USART3_UART_Init();
  /* USER CODE BEGIN 2 */

  sprintf(ATcommand,"at+cmgda=\"del all\"\n\r");
  HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
  HAL_UART_Receive (&huart1, buffer, 30, 100);
  HAL_Delay(1000);
  if(strstr((char *)buffer,"OK")){
  	  	ATisOK = 1;
  }
  HAL_Delay(1000);
  memset(buffer,0,sizeof(buffer));


	if(ATisOK==0){
		  		sprintf(ATcommand,"AT\r\n");
		  		HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
		  		HAL_UART_Receive (&huart1, buffer, 30, 100);
		  		HAL_Delay(1000);
		  		if(strstr((char *)buffer,"OK")){
		  			ATisOK = 1;
		  		}
		  		HAL_Delay(1000);
		  		memset(buffer,0,sizeof(buffer));
	}
  // Wait until getting response OK to AT

    // Send AT+CMGF=1
    sprintf(ATcommand,"AT+CMGF=1\r\n");
    HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
    HAL_UART_Receive (&huart1, buffer, 100, 100);
    HAL_Delay(1000);
    memset(buffer,0,sizeof(buffer));

   // Send AT+CNMI=2,1 to enable notification when SMS arrives
    sprintf(ATcommand,"AT+CNMI=2,1\r\n");
    HAL_UART_Transmit(&huart1,(uint8_t *)ATcommand,strlen(ATcommand),1000);
    // Enabling interrupt receive



    HAL_UART_Receive_IT(&huart1,&rx_data,1);// receive data (one character only)





  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
	   // HAL_UART_Receive_IT(&huart1,&rx_data,1);// receive data (one character only)
if (msjDrm==1) {
    sms_gonder(msj);

	msjDrm=0;
}


  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** 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;
  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_USART1;
  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief USART1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 9600;
  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;
  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/**
  * @brief USART2 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART2_UART_Init(void)
{

  /* USER CODE BEGIN USART2_Init 0 */

  /* USER CODE END USART2_Init 0 */

  /* USER CODE BEGIN USART2_Init 1 */

  /* USER CODE END USART2_Init 1 */
  huart2.Instance = USART2;
  huart2.Init.BaudRate = 38400;
  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;
  huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart2) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART2_Init 2 */

  /* USER CODE END USART2_Init 2 */

}

/**
  * @brief USART3 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART3_UART_Init(void)
{

  /* USER CODE BEGIN USART3_Init 0 */

  /* USER CODE END USART3_Init 0 */

  /* USER CODE BEGIN USART3_Init 1 */

  /* USER CODE END USART3_Init 1 */
  huart3.Instance = USART3;
  huart3.Init.BaudRate = 9600;
  huart3.Init.WordLength = UART_WORDLENGTH_8B;
  huart3.Init.StopBits = UART_STOPBITS_1;
  huart3.Init.Parity = UART_PARITY_NONE;
  huart3.Init.Mode = UART_MODE_TX_RX;
  huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart3.Init.OverSampling = UART_OVERSAMPLING_16;
  huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart3) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART3_Init 2 */

  /* USER CODE END USART3_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOF_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : B1_Pin */
  GPIO_InitStruct.Pin = B1_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : LD2_Pin */
  GPIO_InitStruct.Pin = LD2_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
	 if(huart->Instance==USART1)
	  {
	    // if the character received is other than 'enter' ascii13, save the data in buffer
	    if(rx_data!=13)//
	    {
	    	buffer[rx_index++]=rx_data;
	    }
	    else
	    {


			  // if new message arrived, read the message
		  if(sscanf((char*)buffer, "\n+CMTI: " PREF_SMS_STORAGE ",%hhd", &slot)==1)
	      {
	        sprintf(ATcommand,"AT+CMGR=%d\r\n",slot);
	        HAL_UART_Transmit_IT(&huart1,(uint8_t *)ATcommand,strlen(ATcommand));
	      }
	      // if message read contains "ledon", switch the LED ON
	      else if (strstr((char *)buffer,"ledon"))
	      {
	        HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, 1);
	        sprintf(msj,"Led acildi");
msjDrm=1;

	      }
	      // if message read contains "ledoff", switch the LED OFF
	      else if (strstr((char *)buffer,"ledoff"))
	      {
	        HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, 0);

	        sprintf(msj,"Led kapandi");
msjDrm=1;
	      }
	      // This will delete all messages in the SIM card. (Is it ok for you?)
	      else if (strstr((char *)buffer,"READ"))
	      {
	          sprintf(ATcommand,"AT+CMGD=,4\r\n");
	          HAL_UART_Transmit_IT(&huart1,(uint8_t *)ATcommand,strlen(ATcommand));
	      }
	      else
	      {

	    	  /*************      ayarlamLAR *************/


	    	  	   substring(destination, (char *)buffer, start, len);

	    	  if (strstr((char *)destination,"ch"))
	    	 	      {

	    		  /***********kanal************/
	    		  	veri[0]=buffer[3];
	    		  	veri[1]=buffer[4];
	    		   kanal = (uint8_t)atoi(veri);


	    		  /***********adres************/
	    		  	veri[0]=buffer[5];
	    		  	veri[1]=buffer[6];
	    		  	adres = (uint8_t)atoi(veri);

	    		  	/*****hangı cıkıs?******/
	    		  	veri[0]=buffer[7];
	    		  	veri[1]=buffer[8];
	    		  	cikis_ = (uint8_t)atoi(veri);


	    	  	 if (cikis_== 1)
	    	  	 {


	    	  		veri[0]=buffer[9];
	    	  		veri[1]=buffer[10];
	    	  		drm = (uint8_t)atoi(veri);

	    	  		veri[0]=buffer[11];
	    	  		veri[1]=buffer[12];
	    	  		baslangic_h = (uint8_t)atoi(veri);


	    	  		veri[0]=buffer[13];
	    	  		veri[1]=buffer[14];
	    	  		baslangic_m = (uint8_t)atoi(veri);

	    	  		veri[0]=buffer[15];
	    	  		veri[1]=buffer[16];
	    	  		bitis_h = (uint8_t)atoi(veri);


	    	  		veri[0]=buffer[17];
	    	  		veri[1]=buffer[18];
	    	  		bitis_m = (uint8_t)atoi(veri);

	    	  	 }


	    	  	 	 	 	 	 	 	    Tx_data[0]=0x00;//başlangıc biti
	    	  		 	  	 				Tx_data[1]=adres;//adress
	    	  		 	  	 				Tx_data[2]=kanal;// kanal
	    	  		 	  	 				Tx_data[3]=drm;//0
	    	  		 	  	 				Tx_data[4]=baslangic_h;
	    	  		 	  	 				Tx_data[5]=baslangic_m;
	    	  		 	  	 				Tx_data[6]=bitis_h;
	    	  		 	  	 				Tx_data[7]=bitis_m;//0
	    	  		 	  	 				Tx_data[8]=8;
	    	  		 	  	 				Tx_data[9]=9;
	    	  		 	  	 				Tx_data[10]=9;
	    	  		 	  	 				Tx_data[11]=9;//0
	    	  		 	  	 				Tx_data[12]=9;
	    	  		 	  	 				Tx_data[13]=9;
	    	  		 	  	 				Tx_data[14]=9;
	    	  		 	  	 				Tx_data[15]=8;//0
	    	  		 	  	 				Tx_data[16]=8;
	    	  		 	  	 				Tx_data[17]=8;
	    	  		 	  	 				Tx_data[18]=8;
	    	  		 	  	 				Tx_data[19]=7;//0
	    	  		 	  	 				Tx_data[20]=7;
	    	  		 	  	 				Tx_data[21]=7;
	    	  		 	  	 				Tx_data[22]=7;
	    	  		 	  	 				Tx_data[23]=7;//0
	    	  		 	  	 				Tx_data[24]=7;
	    	  		 	  	 				Tx_data[25]=7;
	    	  		 	  	 				Tx_data[26]=7;
	    	  		 	  	 				Tx_data[27]=7;//0
	    	  		 	  	 				Tx_data[28]=7;
	    	  		 	  	 				Tx_data[29]=7;
	    	  		 	  	 				Tx_data[30]=7;
	    	  		 	  	 				Tx_data[31]=7;//0
	    	  		 	  	 				Tx_data[32]=7;
	    	  		 	  	 				Tx_data[33]=7;
	    	  		 	  	 			 //   HAL_UART_Transmit(&huart3, Tx_data, sizeof(Tx_data), 100);
	    		  sprintf(msj,"YAZDIRILDI");
	    	 	    	     msjDrm=1;

	    	 	    	    sprintf(ATcommand,"AT\r\n",slot);
	    	 	    	   	        HAL_UART_Transmit_IT(&huart1,(uint8_t *)ATcommand,strlen(ATcommand));

	    	 	 }


	      }

	      rx_index=0;
	      memset(buffer,0,sizeof(buffer));

	    }

	  }

	 // Enabling interrupt receive again
			 		    HAL_UART_Receive_IT(&huart1,&rx_data,1); // receive data (one character only)


}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#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 /* USE_FULL_ASSERT */