Desktop/Copy of GPS_TRACE/SRC/GSMParser.c

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#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <avr/interrupt.h>
#include <avr/signal.h>
#include "lcd.h"
#include "GSMParser.h"

int count;
int fora = 0;

void InitGSMParser()
{
        GSMstate=0;
        GSM_CMD_count=0;
        GSM_COMMAND_count=0;
        count=0;
}
void GSMFeedBuffer (char pdata)
{
        GSMdata=pdata;
        ProcessGSM();
}

int ProcessGSMCOM()
{
        if (GSM_CMD_count < 3)
        {
                GSM_CMD[GSM_CMD_count]=GSMdata;
                GSM_CMD_count++;
                return 0;
        }
        if (GSM_CMD_count == 3)
        {
                GSM_CMD[GSM_CMD_count]=GSMdata;
                GSM_CMD_count=0;
                return 1;
        }
        return -1;
}

int ProcessGSMLEX()
{
        if (GSM_COMMAND_count < 20)
        {
                GSM_COMMAND[GSM_COMMAND_count]=GSMdata;
                GSM_COMMAND_count++;
                return 0;
        }
        if (GSM_COMMAND_count == 20)
        {
                GSM_COMMAND[GSM_COMMAND_count]=GSMdata;
                GSM_COMMAND_count=0;
                return 1;
        }
        return -1;
}

void ProcessGSM()
{
        switch (GSMstate)
        {
                case 0: 
                        if (GSMdata=='+')
                        {
                                GSMstate=3;
                                //lcd_gotoxy(0,0);
                        }
                break;
                case 1:
                        if (ProcessGSMCOM()==1)
                        {
                                GSMstate=2;
                        }
                case 2:
                if (GSM_CMD[1]=='C'&&GSM_CMD[1]=='L'&&GSM_CMD[1]=='I'&&GSM_CMD[1]=='P'){
                        GSMstate=3;}
                break;
                case 3:
                        lcd_gotoxy(0,2);
                        lcd_puts("RING");
                        if (ProcessGSMLEX()==1)
                        {
                        cli();  
                                lcd_gotoxy(0,4);
                                        GSMstate=0;
                        sei();
                        if (GSM_COMMAND[7]=='+')
                        {
                                //phone number detected send SMS now !
                                ReportPosition();
                        }
                        }

                break;
                default: GSMstate=0;
        }
}

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