MCU serial communication subroutine-EEWORLD

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Description: Crystal oscillator 11.0592MHZ, baud rate 9600 generated by timer 1 (T1), serial port interrupt working mode 1

#include
#define uchar unsigned char
#define uint unsigned int
uchar ge;
sbit bin=P3^7;
uchar flag;

void init_com()
{
TMOD=0x20;      //T1 working mode 2
PCON=0x00;      //Baud rate is not doubled
SCON=0x50;     // Serial port working mode 1
TH1=0xfd;      //Assign initial value to timer 1
TL1=0xfd;
TR1=1;         //Start timer 1
TI=1;
}

void main()
{
init_com();
printf("ATD15873590872; ");
while(1);
}

Keywords：MCU Reference address：MCU serial communication subroutine

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