立体声音频功率放大电路论文(9)

void Delay5Ms(void) {

unsigned int TempCyc = 5552; while(TempCyc--); }

//读状态

unsigned char ReadStatusLCD(void) {

LCD_Data = 0xFF; LCD_RS = 0; LCD_RW = 1; LCD_E = 0;

LCD_E = 0; LCD_E = 1;

while (LCD_Data & Busy); //检测忙信号 return(LCD_Data); }

//********* LCD1602驱动程序 *************** //写数据

void WriteDataLCD(unsigned char WDLCD) {

ReadStatusLCD(); //检测忙 LCD_Data = WDLCD; LCD_RS = 1;

LCD_RW = 0;

LCD_E = 0; //若晶振速度太高可以在这后加小的延时 LCD_E = 0; //延时

LCD_E = 1; }

//写指令

void WriteCommandLCD(unsigned char WCLCD,BuysC) //BuysC为0时忽略忙检测 {

if (BuysC)

ReadStatusLCD(); //根据需要检测忙 LCD_Data = WCLCD; LCD_RS = 0; LCD_RW = 0; LCD_E = 0; LCD_E = 0; LCD_E = 1; }