Rob Toulson
/
PE_09-09_TickerDemo
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main.cpp@0:19ed0e555d8e, 2013-05-24 (annotated)
- Committer:
- robt
- Date:
- Fri May 24 21:49:20 2013 +0000
- Revision:
- 0:19ed0e555d8e
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| robt | 0:19ed0e555d8e | 1 | /* Program Example 9.9: Simple demo of "Ticker". Replicates behaviour of first |
| robt | 0:19ed0e555d8e | 2 | led flashing program. |
| robt | 0:19ed0e555d8e | 3 | */ |
| robt | 0:19ed0e555d8e | 4 | #include "mbed.h" |
| robt | 0:19ed0e555d8e | 5 | void led_switch(void); |
| robt | 0:19ed0e555d8e | 6 | Ticker time_up; //define a Ticker, with name “time_up” |
| robt | 0:19ed0e555d8e | 7 | DigitalOut myled(LED1); |
| robt | 0:19ed0e555d8e | 8 | |
| robt | 0:19ed0e555d8e | 9 | void led_switch(){ //the function that Ticker will call |
| robt | 0:19ed0e555d8e | 10 | myled=!myled; |
| robt | 0:19ed0e555d8e | 11 | } |
| robt | 0:19ed0e555d8e | 12 | |
| robt | 0:19ed0e555d8e | 13 | int main(){ |
| robt | 0:19ed0e555d8e | 14 | time_up.attach(&led_switch, 0.2); //initialises the ticker |
| robt | 0:19ed0e555d8e | 15 | while(1){ //sit in a loop doing nothing, waiting for Ticker interrupt |
| robt | 0:19ed0e555d8e | 16 | } |
| robt | 0:19ed0e555d8e | 17 | } |
| robt | 0:19ed0e555d8e | 18 |