DocumentHdrVersion "1.1" Header (DocumentHdr packageRefs [ (PackageRef library "ieee" unitName "std_logic_1164" itemName "al…
Keypad+Interface 源代码
汇集 Keypad+Interface 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~// //~ To test PIC16F877 io ports A,B,C,D,E; using RE2 as switch…
#include /*键盘扫描函数,没有键按下返回0x7f*/ /*如果shift按下,返回值最高位为1*/ extern void delay_ms(unsigned int time); unsigned char scan_key(void) …
"keypad.asm" SET (SMALL) DEBUG EP
"keypad.c" BROWSE DEBUG OBJECTEXTEND
#include /*键盘扫描函数,没有键按下返回0x7f*/ /*如果shift按下,返回值最高位为1*/ extern void delay_ms(unsigned int time); unsigned char scan_key(void) …