#include #include #include sfr port=0xB0; sbit rs = P2^2; sbit rw = P2^1; sbit e = P2^0; sbit D7 = P0^7; void void void void void char delay(unsigned int i); lcdcmd(unsigned char val); lcddata(unsigned char val); lcdinit(); checkbusy(); read_frm_gsm();

void lcdcmd(unsigned char val) { checkbusy(); P0=val; rs=0; rw=0; e=1; delay(1); e=0; return; } void delay(unsigned int i) { unsigned int k, l; for(k=0;k