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package com.pi4j.io.gpio;
/*
* #%L
* **********************************************************************
ORGANIZATION : Pi4J
PROJECT : Pi4J :: Java Library (Core)
FILENAME : RaspiPin.java
This file is part of the Pi4J project. More information about
this project can be found here: http://www.pi4j.com/
**********************************************************************
* %%
* Copyright (C) 2012 - 2018 Pi4J
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import com.pi4j.system.SystemInfo;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
/**
* Raspberry Pi pin definitions for (default) WiringPi pin numbering scheme.
*
* @author Robert Savage (http://www.savagehomeautomation.com)
*/
public class RaspiPin extends PinProvider {
public static final Pin GPIO_00 = createDigitalPin(0, "GPIO 0");
public static final Pin GPIO_01 = createDigitalAndPwmPin(1, "GPIO 1"); // supports PWM0 [ALT5]
public static final Pin GPIO_02 = createDigitalPin(2, "GPIO 2");
public static final Pin GPIO_03 = createDigitalPin(3, "GPIO 3");
public static final Pin GPIO_04 = createDigitalPin(4, "GPIO 4");
public static final Pin GPIO_05 = createDigitalPin(5, "GPIO 5");
public static final Pin GPIO_06 = createDigitalPin(6, "GPIO 6");
public static final Pin GPIO_07 = createDigitalPin(7, "GPIO 7");
public static final Pin GPIO_08 = createDigitalPinNoPullDown(8, "GPIO 8"); // SDA.1 pin has a physical pull-up resistor
public static final Pin GPIO_09 = createDigitalPinNoPullDown(9, "GPIO 9"); // SDC.1 pin has a physical pull-up resistor
public static final Pin GPIO_10 = createDigitalPin(10, "GPIO 10");
public static final Pin GPIO_11 = createDigitalPin(11, "GPIO 11");
public static final Pin GPIO_12 = createDigitalPin(12, "GPIO 12");
public static final Pin GPIO_13 = createDigitalPin(13, "GPIO 13");
public static final Pin GPIO_14 = createDigitalPin(14, "GPIO 14");
public static final Pin GPIO_15 = createDigitalPin(15, "GPIO 15");
public static final Pin GPIO_16 = createDigitalPin(16, "GPIO 16");
// the following GPIO pins are only available on the Raspberry Pi Model A, B (revision 2.0)
public static final Pin GPIO_17 = createDigitalPin(17, "GPIO 17"); // requires B rev2 or newer model (P5 header)
public static final Pin GPIO_18 = createDigitalPin(18, "GPIO 18"); // requires B rev2 or newer model (P5 header)
public static final Pin GPIO_19 = createDigitalPin(19, "GPIO 19"); // requires B rev2 or newer model (P5 header)
public static final Pin GPIO_20 = createDigitalPin(20, "GPIO 20"); // requires B rev2 or newer model (P5 header)
// the following GPIO pins are only available on the Raspberry Pi Model A+, B+, Model 2B, Model 3B, Zero
public static final Pin GPIO_21 = createDigitalPin(21, "GPIO 21"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header)
public static final Pin GPIO_22 = createDigitalPin(22, "GPIO 22"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header)
public static final Pin GPIO_23 = createDigitalAndPwmPin(23, "GPIO 23"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header) : supports PWM1 [ALT0]
public static final Pin GPIO_24 = createDigitalAndPwmPin(24, "GPIO 24"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header) : supports PWM1 [ALT5]
public static final Pin GPIO_25 = createDigitalPin(25, "GPIO 25"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header)
public static final Pin GPIO_26 = createDigitalAndPwmPin(26, "GPIO 26"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header) : supports PWM0 [ALT0]
public static final Pin GPIO_27 = createDigitalPin(27, "GPIO 27"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header)
public static final Pin GPIO_28 = createDigitalPin(28, "GPIO 28"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header)
public static final Pin GPIO_29 = createDigitalPin(29, "GPIO 29"); // requires 3B, 2B, Zero, A+, B+ or newer model (40 pin header)
public static final Pin GPIO_30 = createDigitalPinNoPullDown(30, "GPIO 30"); // SDA.0 pin has a physical pull-up resistor
public static final Pin GPIO_31 = createDigitalPinNoPullDown(31, "GPIO 31"); // SDC.0 pin has a physical pull-up resistor
protected static Pin createDigitalPinNoPullDown(int address, String name) {
return createDigitalPin(RaspiGpioProvider.NAME, address, name,
EnumSet.of(PinPullResistance.OFF, PinPullResistance.PULL_UP),
PinEdge.all());
}
protected static Pin createDigitalPin(int address, String name) {
return createDigitalPin(RaspiGpioProvider.NAME, address, name);
}
protected static Pin createDigitalAndPwmPin(int address, String name) {
return createDigitalAndPwmPin(RaspiGpioProvider.NAME, address, name);
}
// *override* static method from subclass
// (overriding a static method is not supported in Java
// so this method definition will hide the subclass static method)
public static Pin getPinByName(String name) {
return PinProvider.getPinByName(name);
}
// *override* static method from subclass
// (overriding a static method is not supported in Java
// so this method definition will hide the subclass static method)
public static Pin getPinByAddress(int address) {
return PinProvider.getPinByAddress(address);
}
// *override* static method from subclass
// (overriding a static method is not supported in Java
// so this method definition will hide the subclass static method)
public static Pin[] allPins() { return PinProvider.allPins(); }
// *override* static method from subclass
// (overriding a static method is not supported in Java
// so this method definition will hide the subclass static method)
public static Pin[] allPins(PinMode ... mode) { return PinProvider.allPins(mode); }
// *override* static method from subclass
// (overriding a static method is not supported in Java
// so this method definition will hide the subclass static method)
public static Pin[] allPins(SystemInfo.BoardType board) {
List pins = new ArrayList<>();
// pins for all Raspberry Pi models
pins.add(RaspiPin.GPIO_00);
pins.add(RaspiPin.GPIO_01);
pins.add(RaspiPin.GPIO_02);
pins.add(RaspiPin.GPIO_03);
pins.add(RaspiPin.GPIO_04);
pins.add(RaspiPin.GPIO_05);
pins.add(RaspiPin.GPIO_06);
pins.add(RaspiPin.GPIO_07);
pins.add(RaspiPin.GPIO_08);
pins.add(RaspiPin.GPIO_09);
pins.add(RaspiPin.GPIO_10);
pins.add(RaspiPin.GPIO_11);
pins.add(RaspiPin.GPIO_12);
pins.add(RaspiPin.GPIO_13);
pins.add(RaspiPin.GPIO_14);
pins.add(RaspiPin.GPIO_15);
pins.add(RaspiPin.GPIO_16);
// no further pins to add for Model B Rev 1 boards
if(board == SystemInfo.BoardType.RaspberryPi_B_Rev1){
// return pins collection
return pins.toArray(new Pin[0]);
}
// add pins exclusive to Model A and Model B (Rev2)
if(board == SystemInfo.BoardType.RaspberryPi_A ||
board == SystemInfo.BoardType.RaspberryPi_B_Rev2){
pins.add(RaspiPin.GPIO_17);
pins.add(RaspiPin.GPIO_18);
pins.add(RaspiPin.GPIO_19);
pins.add(RaspiPin.GPIO_20);
}
// add pins exclusive to Models A+, B+, 2B, 3B, and Zero
else{
pins.add(RaspiPin.GPIO_21);
pins.add(RaspiPin.GPIO_22);
pins.add(RaspiPin.GPIO_23);
pins.add(RaspiPin.GPIO_24);
pins.add(RaspiPin.GPIO_25);
pins.add(RaspiPin.GPIO_26);
pins.add(RaspiPin.GPIO_27);
pins.add(RaspiPin.GPIO_28);
pins.add(RaspiPin.GPIO_29);
pins.add(RaspiPin.GPIO_30);
pins.add(RaspiPin.GPIO_31);
}
// return pins collection
return pins.toArray(new Pin[0]);
}
}
