mbed_example
/
rtos_threading_with_callback
simple threading example with callback
main.cpp@1:5938bdb7b0bb, 2017-06-23 (annotated)
- Committer:
- sarahmarshy
- Date:
- Fri Jun 23 14:21:38 2017 -0500
- Revision:
- 1:5938bdb7b0bb
- Parent:
- 0:d4b2a035ffe3
"Update mbed-os"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mab5449 | 0:d4b2a035ffe3 | 1 | #include "mbed.h" |
mab5449 | 0:d4b2a035ffe3 | 2 | |
mab5449 | 0:d4b2a035ffe3 | 3 | Thread thread; |
mab5449 | 0:d4b2a035ffe3 | 4 | DigitalOut led1(LED1); |
mab5449 | 0:d4b2a035ffe3 | 5 | volatile bool running = true; |
mab5449 | 0:d4b2a035ffe3 | 6 | |
mab5449 | 0:d4b2a035ffe3 | 7 | // Blink function toggles the led in a long running loop |
mab5449 | 0:d4b2a035ffe3 | 8 | void blink(DigitalOut *led) { |
mab5449 | 0:d4b2a035ffe3 | 9 | while (running) { |
mab5449 | 0:d4b2a035ffe3 | 10 | *led = !*led; |
mab5449 | 0:d4b2a035ffe3 | 11 | wait(1); |
mab5449 | 0:d4b2a035ffe3 | 12 | } |
mab5449 | 0:d4b2a035ffe3 | 13 | } |
mab5449 | 0:d4b2a035ffe3 | 14 | |
mab5449 | 0:d4b2a035ffe3 | 15 | // Spawns a thread to run blink for 5 seconds |
mab5449 | 0:d4b2a035ffe3 | 16 | int main() { |
mab5449 | 0:d4b2a035ffe3 | 17 | thread.start(callback(blink, &led1)); |
mab5449 | 0:d4b2a035ffe3 | 18 | wait(5); |
mab5449 | 0:d4b2a035ffe3 | 19 | running = false; |
mab5449 | 0:d4b2a035ffe3 | 20 | thread.join(); |
mab5449 | 0:d4b2a035ffe3 | 21 | } |