### uVision2 Project, (C) Keil Software ### Do not modify ! Target (Target 1), 0x0000 // Tools: 'MCS-51' Group (Source Grou…
key+event 源代码
汇集 key+event 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。
ORG 00H START: MOV R0,#00H ;按键次数 MOV P1,#0FFH ;显示初值 K1: JB P3.7,$ ;判断是否有键按下 LCALL DELAY JB P3.7,K1 ;判断…
### uVision2 Project, (C) Keil Software ### Do not modify ! Target (Target 1), 0x0000 // Tools: 'MCS-51' Group (Source Grou…
ORG 00H START: MOV A,#0EEH ;显示码初值 MOV P1,#0FFH ;发光二极管全部熄灭 K1: JB P3.7,$ MOV R4,#1H ;延时10毫秒,去抖动 LCALL DELAY J…
### uVision2 Project, (C) Keil Software ### Do not modify ! Target (Target 1), 0x0000 // Tools: 'MCS-51' Group (Source Grou…
DIN EQU P3.0 CLK EQU P3.1 DBUF EQU 30H TEMP EQU 40H ORG 00H MOV 30H,#16 ;数码管显示初始化 MAIN: ACALL DISP ;显示 …
#include #include #define uchar unsigned char #define uint unsigned int uchar key_read() { uchar num,i; DDRA=0x…