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LCD 的代码
lcd_lcd._c
void clear_lcd()
{
wait_lcd();
*command_lcd = 1;
delay(4000);
}
void delay(int i)
{
while(i--);
}
void is_busy()
{
unsigned char temp;
temp = *command_lcd;
if((temp & 0
lcd_lcd.c
void clear_lcd()
{
wait_lcd();
*command_lcd = 1;
delay(4000);
}
void delay(int i)
{
while(i--);
}
void is_busy()
{
unsigned char temp;
temp = *command_lcd;
if((temp & 0
lcd_lcd.dep
Dependencies for Project 'LCD', Target 'LCD': (DO NOT MODIFY !)
F (.\Startup.s)(0x46822022)(--device DARMP -g --apcs=interwork -I "I:\Keil\ARM\INC\Philips" --list "Startup.lst" --xref -o "Startup.o")
lcd.a
RS EQU P1.0
RW EQU P1.1
E EQU P1.2
ORG 0000H
AJMP START
ORG 0033H
START: MOV SP,#60H
MAIN: LCALL DELAY ;延时一段时间
MOV P2,#01H ;写指令01H,清屏
LCALL ENABLE
MOV P2,#38H ;写指令38H,设定LCD为16*
10.3.4 lcd
1 LCD点阵字符型液晶显示器C51编程实例
#define IOWR XBYTE[OXF800]
#define IORD XBYTE[OXF801]
#define IORS XBYTE[OXF802]
# include< stdio. h>
#include
#include
#define IOWR XBYTE