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work1
Dependencies: mbed MAX44009 mbed-os Si7021
main.cpp@0:d3e390d62607, 2020-05-27 (annotated)
- Committer:
- danaeb
- Date:
- Wed May 27 11:37:29 2020 +0000
- Revision:
- 0:d3e390d62607
create
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
danaeb | 0:d3e390d62607 | 1 | #include "mbed.h" |
danaeb | 0:d3e390d62607 | 2 | |
danaeb | 0:d3e390d62607 | 3 | DigitalOut myled1(LED1); |
danaeb | 0:d3e390d62607 | 4 | DigitalOut myled2(LED2); |
danaeb | 0:d3e390d62607 | 5 | DigitalOut myled3(LED3); |
danaeb | 0:d3e390d62607 | 6 | DigitalOut myled4(LED4); |
danaeb | 0:d3e390d62607 | 7 | |
danaeb | 0:d3e390d62607 | 8 | InterruptIn mybutton(USER_BUTTON); |
danaeb | 0:d3e390d62607 | 9 | |
danaeb | 0:d3e390d62607 | 10 | double tempo = 0.3; // LED blinking delay |
danaeb | 0:d3e390d62607 | 11 | |
danaeb | 0:d3e390d62607 | 12 | // Change LEDs blinking frequency |
danaeb | 0:d3e390d62607 | 13 | void change_blinking_frequency() { |
danaeb | 0:d3e390d62607 | 14 | if (tempo == 0.3) // If leds have low frequency |
danaeb | 0:d3e390d62607 | 15 | tempo = 0.1; // Set the fast frequency |
danaeb | 0:d3e390d62607 | 16 | else // If leds have fast frequency |
danaeb | 0:d3e390d62607 | 17 | tempo = 0.3; // Set the low frequency |
danaeb | 0:d3e390d62607 | 18 | } |
danaeb | 0:d3e390d62607 | 19 | |
danaeb | 0:d3e390d62607 | 20 | int main() { |
danaeb | 0:d3e390d62607 | 21 | // All LEDs are OFF |
danaeb | 0:d3e390d62607 | 22 | myled1 = 0; |
danaeb | 0:d3e390d62607 | 23 | myled2 = 0; |
danaeb | 0:d3e390d62607 | 24 | myled3 = 0; |
danaeb | 0:d3e390d62607 | 25 | myled4 = 0; |
danaeb | 0:d3e390d62607 | 26 | |
danaeb | 0:d3e390d62607 | 27 | // Change LEDs blinking frequency when button is pressed |
danaeb | 0:d3e390d62607 | 28 | mybutton.fall(&change_blinking_frequency); |
danaeb | 0:d3e390d62607 | 29 | |
danaeb | 0:d3e390d62607 | 30 | while(1) { |
danaeb | 0:d3e390d62607 | 31 | myled2 = 1; // LED2 is ON |
danaeb | 0:d3e390d62607 | 32 | wait(tempo); // wait tempo |
danaeb | 0:d3e390d62607 | 33 | myled2 = 0; // LED2 is OFF |
danaeb | 0:d3e390d62607 | 34 | myled1 = 1; // LED1 is ON |
danaeb | 0:d3e390d62607 | 35 | wait(tempo); // wait tempo |
danaeb | 0:d3e390d62607 | 36 | myled1 = 0; // LED1 is OFF |
danaeb | 0:d3e390d62607 | 37 | myled3 = 1; // LED3 is ON |
danaeb | 0:d3e390d62607 | 38 | wait(tempo); // wait tempo |
danaeb | 0:d3e390d62607 | 39 | myled3 = 0; // LED3 is OFF |
danaeb | 0:d3e390d62607 | 40 | myled4 = 1; // LED4 is ON |
danaeb | 0:d3e390d62607 | 41 | wait(tempo); // wait tempo |
danaeb | 0:d3e390d62607 | 42 | myled4 = 0; // LED4 is OFF |
danaeb | 0:d3e390d62607 | 43 | } |
danaeb | 0:d3e390d62607 | 44 | } |