IO: Clarify SimpleInput example

gohai · gohai · commit 2015448c438b · 2018-06-26T19:12:51.000-07:00
As suggested by @msurguy
diff --git a/java/libraries/io/examples/SimpleInput/SimpleInput.pde b/java/libraries/io/examples/SimpleInput/SimpleInput.pde
@@ -12,10 +12,11 @@ void setup() {
 }
 
 void draw() {
-  // sense the input pin
-  if (GPIO.digitalRead(4) == GPIO.HIGH) {
+  if (GPIO.digitalRead(4) == GPIO.LOW) {
+    // button is pressed
     fill(255);
   } else {
+    // button is not pressed
     fill(204);
   }
   stroke(255);

Original file line number	Diff line number	Diff line change
`@@ -12,10 +12,11 @@ void setup() {`
`12`	`12`	`}`
`13`	`13`
`14`	`14`	`void draw() {`
`15`		`- // sense the input pin`
`16`		`- if (GPIO.digitalRead(4) == GPIO.HIGH) {`
	`15`	`+ if (GPIO.digitalRead(4) == GPIO.LOW) {`
	`16`	`+ // button is pressed`
`17`	`17`	`fill(255);`
`18`	`18`	`} else {`
	`19`	`+ // button is not pressed`
`19`	`20`	`fill(204);`
`20`	`21`	`}`
`21`	`22`	`stroke(255);`