#include
#include
#define DATAPORT P1
#define RS = P2^5
#define RW = P2^6
#define E = P2^7
unsigned char Busy_Check()
{
unsigned char LCD_Status;
RS = 0;
RW = 1;
E = 1;
delayMS(1);
LCD_Status = P1;
E = 0;
return LCD_status;
}
void Write_LCD_Command(unsigned char cmd)
{
while(Busy_Check()&0x80);
RS = 0;
RW = 0;
E = 0;
P1 = cmd;
E = 1;
delayMS(1);
E = 0;
}
viod Write_LCD_Data(unsigned char dat)
{
while(Busy_Check()&0x80 == 0x80);
RS = 1;
RW = 0;
E = 0;
P1 = dat;
E = 1;
delayMS(1);
E = 0;
}
viod Initialize_LCD()
{
Write_LCD_Command(0x38);
delayMS(1);
Write_LCD_Command(0x01);
delayMS(1)
Write_LCD_Command(0x06);
delayMS(1);
Write_LCD_Command(0x0c);
delayMS(1);
}
viod ShowString(unsigned char x, unsigned char y, unsigned char *str)
{
unsigned char i = 0;
if(y == 0)
Write_LCD_Command(0x80|x);
if(y == 1)
Write_LCD_Command(0xc0|x);
for(i = 0; i < 16; i++)
{
Write_LCD_Data(str);
}
}
main(viod)
{
unsigned char code Promt[]="HELLO WORLD! 2016-04-25";
Initalize_lcd();
ShowString(0,0,Prompt);
ShowString(0,1,Prompt+16);
while(1)
}
编译时keil4提示错误错误代码
compiling lesson1.c...
LESSON1.C(10): error C141: syntax error near '='
LESSON1.C(10): error C141: syntax error near '='
LESSON1.C(11): error C141: syntax error near '='
LESSON1.C(11): error C141: syntax error near '='
LESSON1.C(12): error C141: syntax error near '='
LESSON1.C(12): error C141: syntax error near '='
lesson1.c - 6 Error(s), 0 Warning(s).
请高手帮忙看是哪里错了 会不会是我keil软件有问题
#define RS = P2^5
这种定义是错误的，C51里要用sbit来定义
我看楼主您可能还是没搞明白，#define 的作用，然后51的话，如果将某个管脚定义要使用是sbit的哦
楼主没搞明白，define 不能用 “=”，要将51单片机某个管脚定义要使用是sbit.
1 define
2 main(viod) viod是什么意思；
3 while(1) 少了分号，
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