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Dependencies:   mbed

Fork of 1_blinky by MakingMusicWorkshop

main.cpp@1:641d32f7b4ec, 2016-05-10 (annotated)

Committer:
maclobski
Date:
Tue May 10 03:31:21 2016 +0000
Revision:
1:641d32f7b4ec
Parent:
0:232d11a32e07 
for testing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:232d11a32e07 1 #include "mbed.h" // this tells us to load mbed related functions
maclobdell 0:232d11a32e07 2
maclobdell 0:232d11a32e07 3 DigitalOut red(LED_RED); // we create a variable 'red', use it as an out port
maclobdell 0:232d11a32e07 4 Ticker flipper; //Ticker = recurring interrupt to repeatedly call a function at a specified rate
maclobdell 0:232d11a32e07 5
maclobski 1:641d32f7b4ec 6 // YOUR CODE HERE
maclobski 1:641d32f7b4ec 7
maclobski 1:641d32f7b4ec 8 //REMOVE
maclobski 1:641d32f7b4ec 9 static void blinky() {
maclobski 1:641d32f7b4ec 10 // the LED is either on or off (a 1 or a 0). We can inverse the value with the `!` (inverse operator).
maclobski 1:641d32f7b4ec 11 // the flipped value is what we write back to the LED, thus toggling the LED.
maclobdell 0:232d11a32e07 12 red = !red;
maclobdell 0:232d11a32e07 13 }
maclobski 1:641d32f7b4ec 14 //END_REMOVE
maclobdell 0:232d11a32e07 15
maclobdell 0:232d11a32e07 16 // this code runs when the microcontroller starts up
maclobdell 0:232d11a32e07 17 int main() {
maclobdell 0:232d11a32e07 18 red = 1; //turn the led off, (1=off, I know it's weird)
maclobdell 0:232d11a32e07 19
maclobdell 0:232d11a32e07 20 // we want to blink an led, every 500 ms.
maclobski 1:641d32f7b4ec 21 flipper.attach(&blinky, 0.5); // the address of the function to be attached (flip) and the interval (in seconds)
maclobdell 0:232d11a32e07 22
maclobdell 0:232d11a32e07 23 // spin in a main loop. flipper will interrupt it to call flip
maclobdell 0:232d11a32e07 24 while(1) {}
maclobdell 0:232d11a32e07 25 }