main.cpp

00001 /** 12_rtos_timer
00002  * LED blinking by four RTOS timer - a Handbook demo
00003  * Link: https://developer.mbed.org/users/mbed_official/code/rtos_timer/docs/9dd7d49be2c3/main_8cpp_source.html
00004  *
00005  * Hardware requirements:
00006  * - FRDM-KL25Z board
00007  * - 4 LEDs (with current limiting resistors) connected to the Arduino compatible D4,D5,D6,D7 pins
00008  */
00009 
00010 
00011 #include "mbed.h"
00012 #include "rtos.h"
00013 
00014 DigitalOut LEDs[4] = {DigitalOut(D4), DigitalOut(D5), DigitalOut(D6), DigitalOut(D7)};
00015  
00016 void blink(void const *n) {
00017     LEDs[(int)n] = !LEDs[(int)n];
00018 }
00019  
00020 int main(void) {            
00021     RtosTimer led_1_timer(blink, osTimerPeriodic, (void *)0);
00022     RtosTimer led_2_timer(blink, osTimerPeriodic, (void *)1);
00023     RtosTimer led_3_timer(blink, osTimerPeriodic, (void *)2);
00024     RtosTimer led_4_timer(blink, osTimerPeriodic, (void *)3);
00025     
00026     led_1_timer.start(2000);
00027     led_2_timer.start(1000);
00028     led_3_timer.start(500);
00029     led_4_timer.start(250);
00030     
00031     Thread::wait(osWaitForever);
00032 }