20.74HC164串转并通信.zip

#include "reg52.h" typedef unsigned char u8; typedef unsigned int u16; sbit dat=P2^1; sbit sck=P2^0; u8 smg[16]={0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F, 0x77, 0x7C, 0x39, 0x5E, 0x79, 0x71}; void delay(u16 i) { while(i--); } void send_dat(u8 ser) { u8 i; for(i=0;i<8;i++) { sck=0; dat=ser&0x01; delay(10); sck=1; delay(10); ser>>=1; } } void main() { u8 i; while(1) { for(i=0;i<16;i++) { send_dat(smg[i]); delay(50000); } } }