Tatsuki Fukuda
/
eic_blinky_interrupt
fork 1
Fork of eic_blinky_interrupt by
main.cpp@0:866573259a54, 2014-05-14 (annotated)
- Committer:
- Naoto_111
- Date:
- Wed May 14 12:51:33 2014 +0000
- Revision:
- 0:866573259a54
- Child:
- 1:47e9b18377b9
LED brightness control by interrupt
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Naoto_111 | 0:866573259a54 | 1 | #include "mbed.h" |
Naoto_111 | 0:866573259a54 | 2 | |
Naoto_111 | 0:866573259a54 | 3 | Serial pc(USBTX,USBRX);//tx,rx |
Naoto_111 | 0:866573259a54 | 4 | AnalogOut led_y(p18); |
Naoto_111 | 0:866573259a54 | 5 | |
Naoto_111 | 0:866573259a54 | 6 | void pc_rx(); |
Naoto_111 | 0:866573259a54 | 7 | |
Naoto_111 | 0:866573259a54 | 8 | int main() |
Naoto_111 | 0:866573259a54 | 9 | { |
Naoto_111 | 0:866573259a54 | 10 | pc.attach(&pc_rx,Serial::RxIrq); |
Naoto_111 | 0:866573259a54 | 11 | while(1) { |
Naoto_111 | 0:866573259a54 | 12 | sleep(); |
Naoto_111 | 0:866573259a54 | 13 | } |
Naoto_111 | 0:866573259a54 | 14 | } |
Naoto_111 | 0:866573259a54 | 15 | |
Naoto_111 | 0:866573259a54 | 16 | void pc_rx () |
Naoto_111 | 0:866573259a54 | 17 | { |
Naoto_111 | 0:866573259a54 | 18 | char buff=pc.getc(); |
Naoto_111 | 0:866573259a54 | 19 | if('0'<=buff&&buff<='9') |
Naoto_111 | 0:866573259a54 | 20 | { |
Naoto_111 | 0:866573259a54 | 21 | float a=(buff-'0'+1)*0.1;//buff=='0'->a=0.1 buff=='9'->a=1.0 |
Naoto_111 | 0:866573259a54 | 22 | led_y=a; |
Naoto_111 | 0:866573259a54 | 23 | pc.printf("led_y=%f\r\n",a); |
Naoto_111 | 0:866573259a54 | 24 | } |
Naoto_111 | 0:866573259a54 | 25 | |
Naoto_111 | 0:866573259a54 | 26 | } |