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E 的代码
e-1330.c
//E-1330点阵液晶屏驱动程序
/*
线路图
89C51 E-1330
--------
| 8
P1.0-1.7|=========== D0-7
|
P3.0|----------- A0
P3.1|----------- R/W
P3.2|----------- E
calculate_e.m
function <mark>E</mark> = calculat<mark>e</mark>_<mark>E</mark>( l, R )
% calculat<mark>e</mark>s s<mark>e</mark>parat<mark>e</mark>ly <mark>E</mark> fi<mark>e</mark>ld compon<mark>e</mark>nts
% Copyright (C) 2007
%
% mag. David <mark>E</mark>rz<mark>e</mark>n
% Faculty of M<mark>e</mark>chanical <mark>E</mark>ngin<mark>e</mark><mark>e</mark>ring
% L<mark>E</mark>CAD Lab ...
485e.h
#include /*I2C通讯程序包，www.zlgmcu.com 网站下载*/
/*宏定义*/
#define uchar unsigned char
#define uint unsigned int
/*通讯变量定义*/
sbit CTRL485=P1^7; /*RS-485 切换控制信号*/
#define BRGR1_DATA 0x17