ST / Mbed 2 deprecated DISCO-L072CZ-LRWAN1_blink_leds

LEDs/Button example.

Dependencies:   mbed

main.cpp@1:d343cf676574, 2017-05-17 (annotated)

Committer:
arostm
Date:
Wed May 17 09:17:45 2017 +0200
Revision:
1:d343cf676574
Parent:
0:2bd4c0051d9a
Child:
2:603a8ac68090
modify main.cpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:2bd4c0051d9a 1 #include "mbed.h"
bcostm 0:2bd4c0051d9a 2
arostm 1:d343cf676574 3 DigitalOut myled1(LED1);
arostm 1:d343cf676574 4 DigitalOut myled2(LED2);
arostm 1:d343cf676574 5 DigitalOut myled3(LED3);
arostm 1:d343cf676574 6 DigitalOut myled4(LED4);
arostm 1:d343cf676574 7
arostm 1:d343cf676574 8 InterruptIn mybutton(USER_BUTTON);
arostm 1:d343cf676574 9
arostm 1:d343cf676574 10 double tempo = 0.2; //time to wait
arostm 1:d343cf676574 11
arostm 1:d343cf676574 12 void changetempo() {
arostm 1:d343cf676574 13 if(tempo == 0.2) // If leds have low frequency
arostm 1:d343cf676574 14 tempo = 0.1; // Set the fast frequency
arostm 1:d343cf676574 15 else // If les have fast frequency
arostm 1:d343cf676574 16 tempo = 0.2; // Set the low frequency
bcostm 0:2bd4c0051d9a 17 }
arostm 1:d343cf676574 18
arostm 1:d343cf676574 19 int main() {
arostm 1:d343cf676574 20 myled1 = 0; //LED1 is OFF
arostm 1:d343cf676574 21 myled2 = 0; //LED2 is OFF
arostm 1:d343cf676574 22 myled3 = 0; //LED3 is OFF
arostm 1:d343cf676574 23 myled4 = 0; //LED4 is OFF
arostm 1:d343cf676574 24
arostm 1:d343cf676574 25 mybutton.fall(&changetempo); //Interrupt to change tempo
arostm 1:d343cf676574 26
arostm 1:d343cf676574 27 while(1) {
arostm 1:d343cf676574 28 myled2 = 1; // LED2 is ON
arostm 1:d343cf676574 29 wait(tempo); // wait tempo
arostm 1:d343cf676574 30 myled2 = 0; // LED2 is OFF
arostm 1:d343cf676574 31 myled1 = 1; // LED1 is ON
arostm 1:d343cf676574 32 wait(tempo); // wait tempo
arostm 1:d343cf676574 33 myled1 = 0; // LED1 is OFF
arostm 1:d343cf676574 34 myled3 = 1; // LED3 is ON
arostm 1:d343cf676574 35 wait(tempo); // wait tempo
arostm 1:d343cf676574 36 myled3 = 0; // LED3 is OFF
arostm 1:d343cf676574 37 myled4 = 1; // LED4 is ON
arostm 1:d343cf676574 38 wait(tempo); // wait tempo
arostm 1:d343cf676574 39 myled4 = 0; // LED4 is OFF
arostm 1:d343cf676574 40 }
arostm 1:d343cf676574 41 }