![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
The program uses the BusInout Class to make a key_controlled counter from 0-9
Dependencies: mbed
Fork of BusInOut_HelloWorld by
main.cpp@2:e9a810015812, 2014-10-16 (annotated)
- Committer:
- shiyilei
- Date:
- Thu Oct 16 07:49:50 2014 +0000
- Revision:
- 2:e9a810015812
- Parent:
- 1:075e57eccf3a
learn the BusInOut Class to make a key-controlled program
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
shiyilei | 2:e9a810015812 | 1 | /************************************************* |
shiyilei | 2:e9a810015812 | 2 | *file name : switch point |
shiyilei | 2:e9a810015812 | 3 | *creator:Jacob Shi |
shiyilei | 2:e9a810015812 | 4 | *Time:2014/10/16 |
shiyilei | 2:e9a810015812 | 5 | *Description: uses to key to control the counter |
shiyilei | 2:e9a810015812 | 6 | *************************************************/ |
stevep | 1:075e57eccf3a | 7 | #include "mbed.h" |
shiyilei | 2:e9a810015812 | 8 | char data[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90}; |
shiyilei | 2:e9a810015812 | 9 | char i=0; |
shiyilei | 2:e9a810015812 | 10 | BusInOut key(p5); |
shiyilei | 2:e9a810015812 | 11 | BusInOut portnum(p21,p22,p23,p24,p25,p26,p27,p28); |
shiyilei | 2:e9a810015812 | 12 | int main() |
shiyilei | 2:e9a810015812 | 13 | { |
shiyilei | 2:e9a810015812 | 14 | key.input(); |
shiyilei | 2:e9a810015812 | 15 | portnum.output(); |
shiyilei | 2:e9a810015812 | 16 | while(1) |
shiyilei | 2:e9a810015812 | 17 | { |
shiyilei | 2:e9a810015812 | 18 | |
shiyilei | 2:e9a810015812 | 19 | portnum=0x00; |
shiyilei | 2:e9a810015812 | 20 | if(key==0) |
shiyilei | 2:e9a810015812 | 21 | { |
shiyilei | 2:e9a810015812 | 22 | wait_ms(10); |
shiyilei | 2:e9a810015812 | 23 | if(key==0) |
shiyilei | 2:e9a810015812 | 24 | { |
shiyilei | 2:e9a810015812 | 25 | while(!key); |
shiyilei | 2:e9a810015812 | 26 | portnum=data[i]; |
shiyilei | 2:e9a810015812 | 27 | (i++)%10; |
shiyilei | 2:e9a810015812 | 28 | } |
shiyilei | 2:e9a810015812 | 29 | |
shiyilei | 2:e9a810015812 | 30 | } |
shiyilei | 2:e9a810015812 | 31 | |
stevep | 1:075e57eccf3a | 32 | } |
shiyilei | 2:e9a810015812 | 33 | } |