Tuesday - 31 July 2012

Continue task on sending SMS from GSM Modem. This is the simple program code to sending GSM modem. GSM doesn't response anything before because MAX232 IC was damaged. Today, i try the simple program code to ensure that the GSM modem is OK.


#include <pic.h>
#fuses hs, nowdt, noprotect, nobrownout
#use delay(clock=20000000)
#use rs232(baud=9600, parity=N, xmit=PIN_C6, rcv=PIN_C7, bits=8, stream=GSM)

#int_rda
void serial_isr()
{
   char c;
   c=fgetc(GSM);
}

void main()
{
    enable_interrupts(INT_RDA);
    enable_interrupts(GLOBAL);
   
    fprintf(GSM, "AT\n\r");
    delay_ms(15000);
    fprintf(GSM, "AT+CMGF=1\n\r");
    delay_ms(3000);
    fprintf(GSM, "AT+CMGS=\"+6**********\"\n\r");
    delay_ms(3000);
    fprintf(GSM, "hello FROM mcu");
    putc(26);
}