/
multitasking.ino
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/
multitasking.ino
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// This example shows how two finite state machines can be used to simulate
// multitasking on an arduino. Two LED's are turned on and off at irregular
// intervals; the finite state machines take care of the transitions.
#include "Fsm.h"
#define LED1_PIN 10
#define LED2_PIN 11
void on_led1_on_enter() {
Serial.println("on_led1_on_enter");
digitalWrite(LED1_PIN, HIGH);
}
void on_led1_off_enter() {
Serial.println("on_led1_off_enter");
digitalWrite(LED1_PIN, LOW);
}
void on_led2_on_enter() {
Serial.println("on_led2_on_enter");
digitalWrite(LED2_PIN, HIGH);
}
void on_led2_off_enter() {
Serial.println("on_led2_off_enter");
digitalWrite(LED2_PIN, LOW);
}
State state_led1_on(&on_led1_on_enter, NULL, NULL);
State state_led1_off(&on_led1_off_enter, NULL, NULL);
State state_led2_on(&on_led2_on_enter, NULL, NULL);
State state_led2_off(&on_led2_off_enter, NULL, NULL);
Fsm fsm_led1(&state_led1_off);
Fsm fsm_led2(&state_led2_off);
void setup() {
Serial.begin(9600);
pinMode(LED1_PIN, OUTPUT);
pinMode(LED2_PIN, OUTPUT);
fsm_led1.add_timed_transition(&state_led1_off, &state_led1_on, 1000, NULL);
fsm_led1.add_timed_transition(&state_led1_on, &state_led1_off, 3000, NULL);
fsm_led2.add_timed_transition(&state_led2_off, &state_led2_on, 1000, NULL);
fsm_led2.add_timed_transition(&state_led2_on, &state_led2_off, 2000, NULL);
}
void loop() {
fsm_led1.run_machine();
fsm_led2.run_machine();
delay(200);
}