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Merge pull request #4298 from gohai/io-updates-with-imgs

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IO: PR #4297, plus Fritzing drawings
This commit is contained in:
Ben Fry
2016-02-13 19:58:08 -05:00
parent 9df2019f55 8f252fc177
commit fc5fcd4c8c
3 changed files with 14 additions and 21 deletions
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java/libraries/io/examples/Interrupt/Interrupt.pde
+5 -6
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@@ -1,20 +1,19 @@
import processing.io.*;
color bgcolor = 0;
// RPI.PIN7 refers to the physical pin 7 on the Raspberry Pi's
// pin header, which is located on the fourth row, above one of
// the Ground pins
// GPIO numbers refer to different phyiscal pins on various boards
// On the Raspberry Pi GPIO 4 is physical pin 7 on the header
void setup() {
GPIO.pinMode(RPI.PIN7, GPIO.INPUT);
GPIO.attachInterrupt(RPI.PIN7, this, "pinEvent", GPIO.RISING);
GPIO.pinMode(4, GPIO.INPUT);
GPIO.attachInterrupt(4, this, "pinEvent", GPIO.RISING);
}
void draw() {
background(bgcolor);
}
// this function will be called whenever pin 7 is brought from LOW to HIGH
// this function will be called whenever GPIO 4 is brought from LOW to HIGH
void pinEvent(int pin) {
println("Received interrupt");
if (bgcolor == 0) {
java/libraries/io/examples/SimpleInput/SimpleInput.pde
+4 -7
View File
@@ -1,18 +1,15 @@
import processing.io.*;
// RPI.PIN7 refers to the physical pin 7 on the Raspberry Pi's
// pin header, which is located on the fourth row, above one of
// the Ground pins
// GPIO numbers refer to different phyiscal pins on various boards
// On the Raspberry Pi GPIO 4 is physical pin 7 on the header
void setup() {
GPIO.pinMode(RPI.PIN7, GPIO.INPUT);
// this is equivalent to addressing the pin with its GPIO number:
// GPIO.pinMode(4, GPIO.INPUT);
GPIO.pinMode(4, GPIO.INPUT);
}
void draw() {
// sense the input pin
if (GPIO.digitalRead(RPI.PIN7) == GPIO.HIGH) {
if (GPIO.digitalRead(4) == GPIO.HIGH) {
fill(255);
} else {
fill(204);
java/libraries/io/examples/SimpleOutput/SimpleOutput.pde
+5 -8
View File
@@ -1,14 +1,11 @@
import processing.io.*;
boolean ledOn = false;
// RPI.PIN7 refers to the physical pin 7 on the Raspberry Pi's
// pin header, which is located on the fourth row, above one of
// the Ground pins
// GPIO numbers refer to different phyiscal pins on various boards
// On the Raspberry Pi GPIO 4 is physical pin 7 on the header
void setup() {
GPIO.pinMode(RPI.PIN7, GPIO.OUTPUT);
// this is equivalent to addressing the pin with its GPIO number:
// GPIO.pinMode(4, GPIO.OUTPUT);
GPIO.pinMode(4, GPIO.OUTPUT);
frameRate(0.5);
}
@@ -16,10 +13,10 @@ void draw() {
// make the LED blink
ledOn = !ledOn;
if (ledOn) {
GPIO.digitalWrite(RPI.PIN7, GPIO.LOW);
GPIO.digitalWrite(4, GPIO.LOW);
fill(204);
} else {
GPIO.digitalWrite(RPI.PIN7, GPIO.HIGH);
GPIO.digitalWrite(4, GPIO.HIGH);
fill(255);
}
stroke(255);