代码搜索：按键扫描
找到约 10,000 项符合「按键扫描」的源代码
代码结果 10,000
www.eeworm.com/read/289579/8541602
c 扫描码.c
www.eeworm.com/read/378609/9222444
txt 扫描 (2).txt
library altera;
use altera.maxplus2.all;
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
entity keyctrl is
port( clk,reset:in std_l
www.eeworm.com/read/180407/9309449
txt 键盘扫描.txt
这是站长初学者写的最简单、最详细、效率最高的矩阵键盘扫描程序，只用了四条常用命令（MOV/送数、JB/高电平转移、JMP/直接转移、RET/子程序返回），保证初学者一看就懂！本程序已经在本站电子实验板上验证通过，占用ＣＰＵ时间少，效率高，被选作单片机的测试程序！
矩阵<mark>按键扫描</mark>程序是一种节省IO口的方法,按键数目越多节省IO口就越可观，本程序的思路跟书上一样：先判断某一列（行）是否有按键按下， ...
www.eeworm.com/read/376627/9311518
c 扫描码.c
www.eeworm.com/read/371148/9564467
obj 动态扫描.obj
www.eeworm.com/read/371148/9564474
lst 动态扫描.lst
C51 COMPILER V6.12 ___琠_描 07/24/2007 18:04:44 PAGE 1
C51 COMPILER V6.12, COMPILATION OF MODULE ___琠_描
OBJECT MODULE PLACED IN E:
www.eeworm.com/read/371148/9564504
c 动态扫描.c
/****************************************
*动态扫描
*P0段码,P2位码,均为0有效
***************************************/
#include
#define uchar unsigned char
/*************动态扫描函数**************
*功能:将显
www.eeworm.com/read/363725/9938478
c 键盘扫描.c
#include
#define uchar unsigned char
#define uint unsigned int
uint key1 ,temp;
uint keyscan();
void display(uint i);
uchar code table []={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0