cathal deehy-power
/
Case_Study_rtos_signals
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rtos_signals
by 
mbed official
Revision 4:3925b40d3296, committed 2015-02-13
- Comitter:
- cathal66
- Date:
- Fri Feb 13 14:36:56 2015 +0000
- Parent:
- 3:c133402c77cb
- Commit message:
- comments added with 2 flags
Changed in this revision
diff -r c133402c77cb -r 3925b40d3296 main.cpp
--- a/main.cpp Tue Jun 04 15:54:12 2013 +0100
+++ b/main.cpp Fri Feb 13 14:36:56 2015 +0000
@@ -1,21 +1,25 @@
#include "mbed.h"
#include "rtos.h"
-DigitalOut led(LED1);
+PwmOut led(p25); //setup LED for PWM
void led_thread(void const *argument) {
while (true) {
// Signal flags that are reported as event are automatically cleared.
- Thread::signal_wait(0x1);
- led = !led;
+ Thread::signal_wait(0x2); //Wait for flag to be set after thread wait for 2000 msec
+ led = 0.5; //dim LED to half brightness
+ Thread::signal_wait(0x1); //Wait for flag to be set after thread wait for 100 msec
+ led = 1; //turn off LED
}
}
int main (void) {
- Thread thread(led_thread);
+ Thread thread(led_thread); //start thread
while (true) {
- Thread::wait(1000);
- thread.signal_set(0x1);
+ Thread::wait(1000); //thread wait for 1000 msec
+ thread.signal_set(0x1); //set the flag for "0x1"
+ Thread::wait(2000); //Thread wait for 2000 msec
+ thread.signal_set(0x2); //set the flag for "0x2
}
}
diff -r c133402c77cb -r 3925b40d3296 mbed-rtos.lib --- a/mbed-rtos.lib Tue Jun 04 15:54:12 2013 +0100 +++ b/mbed-rtos.lib Fri Feb 13 14:36:56 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/ \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed-rtos/#83e169389a69
diff -r c133402c77cb -r 3925b40d3296 mbed.bld --- a/mbed.bld Tue Jun 04 15:54:12 2013 +0100 +++ b/mbed.bld Fri Feb 13 14:36:56 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/ \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/e188a91d3eaa \ No newline at end of file