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SITAEL_LED-Button_Polling
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Dependencies: mbed
Diff: LED-Button-Polling.cpp
- Revision:
- 1:832dfb4ba1af
- Child:
- 2:8cd95bea99dc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/LED-Button-Polling.cpp Mon May 07 07:11:49 2018 +0000
@@ -0,0 +1,37 @@
+// Tested: NUCLE-L476RG
+
+#include "mbed.h"
+
+// crea oggetti Button, LED e serialPC
+DigitalIn myButton(USER_BUTTON);
+DigitalOut myLed(LED1);
+Serial pc(USBTX, USBRX);
+
+
+/********/
+/* MAIN */
+/********/
+int main()
+{
+ // imposta velocità della comunicazione con il PC
+ pc.baud(921600);
+
+ //imposta il funzionamento del pulsante come "PullDown": Aperto = '0'. L'altra modalità di funzinamento è PullUp
+ myButton.mode(PullDown);
+
+ // POLLING: replica sul LED myLED lo stato del pulsante myButton
+ while(true)
+ {
+ if (myButton == 1)
+ {
+ // Button is pressed
+ myLed = 1; // Accendi LED
+ }
+ else
+ {
+ // Button i released
+ myLed = 0; // Spegni LED
+ }
+ }
+}
+
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