#define LCD_data P0 //数据口能这样定义吗,列：LCD_data =0x0f,即P0=0xf0?是这样吗,但是连接时显示LCD_data =0x0f这个语句12864A-3.C(268):error C213:left side of asn-op not an lvalue

#define LCD_data P0 //数据口能这样定义吗,列：LCD_data =0x0f,即P0=0xf0?是这样吗,但是连接时显示LCD_data =0x0f这个语句12864A-3.C(268):error C213:left side of asn-op not an lvalue P0 求解释帝,12864为什么不显字?硬件电路 绝对正确,程序如下：#include#define uchar unsigned char#define uint unsigned int#define LCD_Data P0sbit LCD_RS=P2^4;sbit LCD_RW=P2^5;sbit LCD_E=P2^6;sbit PSB=P2^1;sbit RST=P2^3;uchar code* di C(84):warning C209:'hextobcd':too few actual parameters,用keil编程序之后运行出现的错误,#includereg52.h#includeintrins.h#includemath.h#define uchar unsigned char#define uint unsigned int#define Lcd_Data P0uchar code dispbuf[33]={Te #define if(++Time_Count = 50) return;中的return怎么理解?//#include #define uint unsigned int#define uchar unsigned charsbit RED_A = P0^0;sbit YELLOW_A = P0^1;sbit GREEN_A = P0^2;sbit RED_B = P0^3;sbit YELLOW_B = P0^4;sbit GREEN_B = P0^5;uchar Time_Coun 单片机#define temp P0 这个P0代表的是p0^0到p0^7所有的口?那我如果有八个红外传感器,是不是只要每一个依次跟这八个口连接就可以得到temp的值了呢 #define GPIO_DIG P0 sbit LSA=P2^2; sbit LSB=P#define GPIO_DIG P0sbit LSA=P2^2;sbit LSB=P2^3;sbit LSC=P2^4;sbit是啥意思啊 求大神 能详细讲讲吗 P0=p0 c语言控制单片机p1口跟随p0口状态输出,po口是ad转换来的,p0口我也加上拉电阻了,但是p1口输出不跟随程序#include<reg52.h>#define uchar unsigned char#define uint unsigned intsbit wr=P3^6;sbit rd=P3^7;void delay(u 求大神看超声波HC-SR04的程序,我想用超声波测一定的距离通过单片机检测来控制一个p0.0口的LED灯的关灭,//Echo = P3^2#include #define uchar unsigned char /#define uint unsigned int#define ulong unsigned longsfr CLK_DIV define是什么意思 MATLAB %define the sequence of the program[A,B,U,Y,M]=define_matrix();[H,D,I,R1,C2,C1,R2,P,Cd,RO,Q0,X1,P0,G]=input_parameter();[X2,C,A1]=calculation_parameter(Q0,Cd,P,R2,D,RO,G);[M]=calculation_matrix(M,A,B,U,Y,I,R1,C2,C1,R2,P0,P,X2,X2,A1,Q0,H,C);gra 英语翻译define('UC_CONNECT','mysql');define('UC_DBHOST','localhost');define('UC_DBUSER','root');define('UC_DBPW','sohu');define('UC_DBNAME','****');define('UC_DBCHARSET','gbk');define('UC_DBTABLEPRE','`dz7`.uc_');define('UC_DBCONNECT','0');define P0=P0|0x80是什么意思 #define 比如说#define PI=3.4 P0=~(1 non-address/-constant initializer#ifndef XIANSHI_H#define XIANSHI_H#include c8051F000.h//#include intrins.h#include zifu.h sbit DCS=P1^0;sbit DSCL=P1^1;sbit DSI=P1^2;sbit DA0=P1^3;sbit DRES=P1^4;sbit DQ=P0^4;extern void Delay1ms(unsigned int t)