/*
 * esp8266.c
 *
 *  Created on: Jul 9, 2019
 *      Author: parkyj
 */

#include <string.h>
#include <stdlib.h>
#include "esp8266.h"


void ESP8266_Initialize(void){
	  volatile static bool init = false;
	  volatile static uint8_t seq = 0;
    uint8_t str[100] = {0,};
	  if(init == false ||  seq < 4){
		  init = true;
	  }else{
	  /* * * * *DATA SEND COMMADN * * * * * */
#if 0 // PYJ.2019.08.06_BEGIN --
    Uart2_Data_Send("AT+CIPSEND=0,4\r\n",ESP8266_Strindex("AT+CIPSEND=0,4\r\n"));
    HAL_Delay(1000);
    sprintf(str,"%d", ADC_Value_RetFunc());
    Uart2_Data_Send(str,ESP8266_Strindex(str));
    printf("%s\r\n INDEX : %d",str,ESP8266_Strindex(str));
    HAL_Delay(500);
//          Uart2_Data_Send("be\r\n",ESP8266_Strindex("123456789\r\n"));
          
#endif // PYJ.2019.08.06_END -- 
//          Uart2_Data_Send("AT+CIPSEND=1,1\r\n",ESP8266_Strindex("AT+CIPSEND=1,1\r\n"));
//          HAL_Delay(5); 
//          Uart2_Data_Send("1\r\n",ESP8266_Strindex("1\r\n"));              
        return;
	  }
#if 1 // PYJ.2019.12.13_BEGIN -- 
	  switch(seq){
    	  case 0:
              Uart2_Data_Send("AT+CWMODE=3\r\n",ESP8266_StrLength("AT+CWMODE=3\r\n"));
    		  seq++;
    		  break;
    	  case 1:
              Uart2_Data_Send("AT+CIPMUX=1\r\n",ESP8266_StrLength("AT+CIPMUX=1\r\n"));
    		  seq++;
    		  break;
    	  case 2:
              Uart2_Data_Send("AT+CWSAP=\"BLUE_TEST\",\"\",5,0\r\n",ESP8266_StrLength("AT+CWSAP=\"BLUE_TEST\",\"\",5,0\r\n"));
    		  seq++;
    		  break;
    	  case 3:
              Uart2_Data_Send("AT+CIPSERVER=1,4000\r\n",ESP8266_StrLength("AT+CIPSERVER=1,4000\r\n"));
              HAL_Delay(5);
              Uart2_Data_Send("AT+CIFSR\r\n",ESP8266_StrLength("AT+CIFSR\r\n"));
    		  printf("ESP Setting Complete \r\n");
    		  seq++;
    		  break;
    	  default:
    		  break;
	  }
#endif // PYJ.2019.12.13_END -- 

}
uint8_t ESP8266_StrLength(uint8_t* str){
    return strlen(str);
}
uint8_t ESP8266_StrIndexSearch(uint8_t* str,uint8_t* searchstr){
    for(int i = 0; i < ESP8266_StrLength(str); i++){
        if(*(str + i) == *searchstr){
//            printf("\"%s \" index : %d \r\n",*searchstr, i);
            return i;
        }
    }
    return 0;
}
uint8_t ESP8266_StrFilter(uint8_t* str){
    uint8_t *ptr = strstr(str, "+IPD,0,");      // den으로 시작하는 문자열 검색, 포인터 반환
    uint8_t temp_index;
    uint8_t temp_length;
    uint8_t temp_str[5] = {NULL,};
    //printf("first : %s\n", ptr);    // den Diary
    if(strstr(ptr, "+IPD,0,") != NULL){
        temp_index= ESP8266_StrIndexSearch(ptr,":"); 
        temp_str[0] = ptr[temp_index - 2];
        temp_str[1] = ptr[temp_index - 1];
    
        temp_length = atoi(temp_str);
//        temp_length += atoi(ptr[temp_index - 1]);
//        printf("(+IPD,0,)Length%d \r\n",ESP8266_StrLength("+IPD,0,"));
//        printf("Length Result : %d \r\n",temp_length);
        if(ptr != NULL){
            printf("\r\n %d Result : ",ESP8266_StrLength(ptr));
            for(int i = (temp_index + 1); i < temp_length + (temp_index + 1) + 9; i++)
                printf("%d ", *(ptr + i));    // den Diary
            printf("\r\n");
        }
    }


}