UserButton example for STM32F429 added
This commit is contained in:
parent
b7a187436d
commit
ab954f09ab
|
@ -0,0 +1,32 @@
|
||||||
|
// show user button state with blinking LEDs
|
||||||
|
// STM32F429 Discovery has one user button
|
||||||
|
//
|
||||||
|
// red LED: button pressed
|
||||||
|
// grenn LED: button not pressed
|
||||||
|
|
||||||
|
#define USERBUTTON PA0
|
||||||
|
|
||||||
|
|
||||||
|
#define GREENLED PG13
|
||||||
|
#define REDLED PG14
|
||||||
|
|
||||||
|
void setup()
|
||||||
|
{
|
||||||
|
pinMode(USERBUTTON, INPUT); // mandatory for STM MCUs, on Arduino Uno working without
|
||||||
|
pinMode(GREENLED, OUTPUT);
|
||||||
|
pinMode(REDLED, OUTPUT);
|
||||||
|
}
|
||||||
|
|
||||||
|
void loop()
|
||||||
|
{
|
||||||
|
if ( digitalRead(USERBUTTON) )digitalWrite(REDLED , HIGH);
|
||||||
|
else digitalWrite(GREENLED, HIGH);
|
||||||
|
|
||||||
|
delay(100);
|
||||||
|
|
||||||
|
// leds off
|
||||||
|
digitalWrite(GREENLED, LOW);
|
||||||
|
digitalWrite(REDLED , LOW);
|
||||||
|
|
||||||
|
delay(100);
|
||||||
|
}
|
Loading…
Reference in New Issue