#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
//#include <sys/signal.h>
#include "tty.h"#include"gprs.h"


void gprs_init()
{ 
	int i;
	for(i=0; i<5; i++) {
		tty_writecmd(cmd[i], strlen(cmd[i])); 
	}

	//下面選擇通道0，使用普通電話話柄
	/*
	  gprs_cmd("AT+CHFA=0\r"); //設置通話通道為0
	  usleep(1000);
	  gprs_cmd("AT+CLVL=100\r");//設置受話器音量最大
	  usleep(1000);
	  gprs_cmd("AT+CMIC=0,10\r");//設置通道0的話筒增益
	  usleep(1000);
	*/
}

void gprs_hold()
{
	tty_writecmd("at", strlen("at"));
	tty_writecmd("ath", strlen("ath"));//發送掛機命令ATH
}

void gprs_ans()
{ 
	tty_writecmd("at", strlen("at"));
	tty_writecmd("ata", strlen("ata"));//發送接聽命令ATA
}

//撥叫  
void gprs_call(char *number, int num)			
{ 

	tty_write("atd", strlen("atd")); //發送撥打命令ATD	
	tty_write(number, num);
	tty_write(";\r", strlen(";\r"));
	usleep(200000);
}

//發送短信
//void gprs_msg(char *number,char *text) 			//發送短信
void gprs_msg(char *number, int num)		
{ 
	char ctl[]={26,0};
	char text[]="Welcome to use up-tech embedded platform!";
	tty_writecmd("at", strlen("at"));
	tty_writecmd("at", strlen("at"));
	tty_writecmd("at+cmgf=1", strlen("at+cmgf=1"));		//發送修改字符集命令
	tty_write("at+cmgs=", strlen("at+cmgs="));	//發送發短信命令，具體格式見手冊
	tty_writecmd(number, strlen(number));
	tty_write(text, strlen(text));
	tty_write(ctl, 1);
	usleep(300000);
//	Uart_SendByte(1,26); //“CTRL+Z"的ASCII碼
}