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LED Matrix 的代码
led.c
//串行驱动led显示，
//一个74hc595位移寄存器驱动三极管驱动led位，
//两个74hc595驱动led段，方式位5位x8段x2=10个数码管
//5分频，每次扫描时间位1.25ms
//定义特殊符号
#define nul 0xf
#define qc 0xc
#define qb 0xb
#define q_ 0xa
#define q__ 0xd
led.c
//****************************************************************************
//** File Name : Code_of_SMC_DTC.c **
//** Project : Sparse Matrix
led.c
//该程序实现2407的led显示
// RS BIT PA.0 ;控制线定义
// RW BIT PA.1
// E BIT PA.2
// CS1 BIT PA.3
// CS2 BIT PA.4
// BUSY BIT PA.5
// INT BIT PA.6
// RST BIT PA.7
// 数据线PB
#include
led.c
#define IN_TGPIO
#include "config.h"
#define LEDS8 16 // P2[23:16] controle LED8~LED1
int main(void)
{
int fd;
uint8 i, val;
fd = open("/dev/P2", O_RDONLY);
if(fd == -1)
{
led.lst
A51 MACRO ASSEMBLER LED 05/20/2008 20:36:35 PAGE 1
MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN .\LED.OBJ
ASSEMBLER IN
led.lnp
"LED.obj"
TO "LED"
RAMSIZE(256)
led.hex
:00000001FF
led.opt
### uVision2 Project, (C) Keil Software
### Do not modify !
cExt (*.c)
aExt (*.a*; *.src)
oExt (*.obj)
lExt (*.lib)
tExt (*.txt)
pExt (*.plm)
DaveTm { 0,0,0,0,0,0,0,0 }
Target (Tar