#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(shè)置通話通道為0
	  usleep(1000);
	  gprs_cmd("AT+CLVL=100\r");//設(shè)置受話器音量最大
	  usleep(1000);
	  gprs_cmd("AT+CMIC=0,10\r");//設(shè)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(fā)送掛機(jī)命令A(yù)TH
}

void gprs_ans()
{
	tty_writecmd("at", strlen("at"));
	tty_writecmd("ata", strlen("ata"));//發(fā)送接聽命令A(yù)TA
}

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

	tty_write("atd", strlen("atd")); //發(fā)送撥打命令A(yù)TD	
	tty_write(number, num);
	tty_write(";\r", strlen(";\r"));
	usleep(200000);
}

//發(fā)送短信
//void gprs_msg(char *number,char *text) 			//發(fā)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(fā)送修改字符集命令
	tty_write("at+cmgs=", strlen("at+cmgs="));	//發(fā)送發(fā)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
}

void gprs_baud(char *baud,int num)
{
	tty_write("at+ipr=", strlen("at+ipr="));
	tty_writecmd(baud, strlen(baud) );
	usleep(200000);
}


// 讀短信
void gprs_read_msg()
{
	tty_writecmd("at", strlen("at"));
	tty_writecmd("at", strlen("at"));//AT+CNMI=1,1,0,0,1()；AT+CNMI=1,1,0,2,1    AT＋CNMI＝2,2,0,1,1
        tty_writecmd("at+cmgf=1", strlen("at+cmgf=1"));
	tty_writecmd("AT+CNMI=2,2,0,1,1", strlen("AT+CNMI=2,2,0,1,1"));
        tty_writecmd("at+cmgl=all",strlen("at+cmgl=all"));
}