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https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter
synced 2024-11-25 02:22:21 -05:00
Delete RetroJoystickAdapter_Nunchuck.ino
This commit is contained in:
Jarno Lehtinen
GitHub
parent
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commit
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//Uno: SDA = A4, SCL = A5
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//Pro Micro: SDA = D2, SCL = D3
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//================================================================================
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//================================================================================
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// Joystick (Gamepad)
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#include "HID.h"
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#if ARDUINO < 10606
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#error The Joystick2 library requires Arduino IDE 1.6.6 or greater. Please update your IDE.
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#endif
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#if !defined(USBCON)
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#error The Joystick2 library can only be used with a USB MCU (e.g. Arduino Leonardo, Arduino Micro, etc.).
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#endif
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#if !defined(_USING_HID)
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#error "Using legacy HID core (non pluggable)"
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#endif
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#define JOYSTICK_REPORT_ID 0x04
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#define JOYSTICK_STATE_SIZE 6
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#define JOYSTICK_DATA_SIZE 6
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//#define DEBUG
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#define HIDDESC_MACRO(REPORT_ID) \
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/* Joystick # */ \
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0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ \
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0x09, 0x04, /* USAGE (Joystick) */ \
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0xa1, 0x01, /* COLLECTION (Application) */ \
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0x85, REPORT_ID, /* REPORT_ID */ \
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/* 2 Buttons */ \
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0x05, 0x09, /* USAGE_PAGE (Button) */ \
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0x19, 0x01, /* USAGE_MINIMUM (Button 1) */ \
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0x29, 0x02, /* USAGE_MAXIMUM (Button 2) */ \
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0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \
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0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ \
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0x75, 0x01, /* REPORT_SIZE (1) */ \
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0x95, 0x02, /* REPORT_COUNT (2) */ \
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0x81, 0x02, /* INPUT (Data,Var,Abs) */ \
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0x75, 0x06, /* REPORT_SIZE (6) */ \
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0x95, 0x01, /* REPORT_COUNT (1) */ \
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0x81, 0x03, /* INPUT (Cnst,Var,Abs) */ \
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/* X and Y Axis */ \
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0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ \
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0x09, 0x01, /* USAGE (Pointer) */ \
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0xA1, 0x00, /* COLLECTION (Physical) */ \
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0x09, 0x30, /* USAGE (x) */ \
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0x09, 0x31, /* USAGE (y) */ \
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0x09, 0x33, /* USAGE (Rx) */ \
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0x09, 0x34, /* USAGE (Ry) */ \
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0x09, 0x35, /* USAGE (Rz) */ \
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0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \
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0x26, 0xff, 0x00, /* LOGICAL_MAXIMUM (255) */ \
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0x75, 0x08, /* REPORT_SIZE (8) */ \
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0x95, 0x05, /* REPORT_COUNT (5) */ \
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0x81, 0x02, /* INPUT (Data,Var,Abs) */ \
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0xc0, /* END_COLLECTION */ \
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0xc0 /* END_COLLECTION */
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static const uint8_t hidReportDescriptor[] PROGMEM = {
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HIDDESC_MACRO(JOYSTICK_REPORT_ID)
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};
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class Joystick_ {
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private:
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uint8_t joystickId;
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uint8_t reportId;
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uint8_t olddata[JOYSTICK_DATA_SIZE];
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uint8_t state[JOYSTICK_STATE_SIZE];
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uint8_t flag;
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public:
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uint8_t data[JOYSTICK_DATA_SIZE];
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Joystick_(uint8_t initJoystickId, uint8_t initReportId) {
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// Setup HID report structure
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static bool usbSetup = false;
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if (!usbSetup) {
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static HIDSubDescriptor node(hidReportDescriptor, sizeof(hidReportDescriptor));
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HID().AppendDescriptor(&node);
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usbSetup = true;
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}
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// Initalize State
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joystickId = initJoystickId;
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reportId = initReportId;
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memcpy(olddata, data, JOYSTICK_DATA_SIZE);
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state[0] = 0;
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state[1] = 0;
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state[2] = 127;
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state[3] = 127;
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state[4] = 127;
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state[5] = 127;
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sendState(1);
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}
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void updateState() {
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if (memcmp(olddata, data, JOYSTICK_DATA_SIZE)) {
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memcpy(olddata, data, JOYSTICK_DATA_SIZE);
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flag = 1;
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}
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uint8_t SX = data[0];
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uint8_t SY = ~data[1];
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uint16_t AX = (data[2] << 2) | (data[5] >> 2 & B11);
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uint16_t AY = (data[3] << 2) | (data[5] >> 4 & B11);
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uint16_t AZ = (data[4] << 2) | (data[5] >> 6 & B11);
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uint8_t BC = (~data[5] >> 1 & 1);
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uint8_t BZ = (~data[5] & 1);
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// http://wiibrew.org/wiki/Wiimote/Extension_Controllers/Nunchuck
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state[0] = (BZ << 1) | BC;
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state[1] = SX;
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state[2] = SY;
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state[3] = AX >> 2;
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state[4] = AY >> 2;
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state[5] = AZ >> 2;
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}
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void sendState(uint8_t force = 0) {
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if (flag || force) {
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// HID().SendReport(Report number, array of values in same order as HID descriptor, length)
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HID().SendReport(reportId, state, JOYSTICK_STATE_SIZE);
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flag = 0;
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}
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}
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};
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Joystick_ Joystick[1] =
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{
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Joystick_(0, JOYSTICK_REPORT_ID)
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};
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//================================================================================
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//================================================================================
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#include <Wire.h>
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#define ADDRESS 0x52
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void sendByte(int data, int location) {
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Wire.beginTransmission(ADDRESS);
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Wire.write(location);
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Wire.write(data);
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Wire.endTransmission();
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}
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void sendZero() {
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Wire.beginTransmission(ADDRESS);
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Wire.write(0x00);
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Wire.endTransmission();
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}
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void setup() {
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Wire.begin();
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sendByte(0x55, 0xF0);
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sendByte(0x00, 0xFB);
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#ifdef DEBUG
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Serial.begin(115200);
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#endif
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}
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void loop() {
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#ifdef DEBUG
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unsigned long t = micros();
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#endif
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sendZero();
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delayMicroseconds(200);
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Wire.requestFrom(ADDRESS, 6); //request data from wii nunchuck
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uint8_t i = 0;
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while(Wire.available()) {
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Joystick[0].data[i] = Wire.read();
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i++;
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if (i >= JOYSTICK_DATA_SIZE) break;
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}
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//detect if init is needed
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if (i < 6) {
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delay(100);
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sendByte(0x55, 0xF0);
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sendByte(0x00, 0xFB);
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#ifdef DEBUG
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Serial.println("Init!");
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#endif
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delay(100);
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}
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#ifdef DEBUG
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Serial.println(micros()-t);
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#endif
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#ifdef DEBUG
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/*for (uint8_t i = 0; i < JOYSTICK_DATA_SIZE; i++) {
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Serial.print(data[i], HEX);
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Serial.print(" ");
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}
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Serial.println();*/
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uint8_t SX = Joystick[0].data[0];
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uint8_t SY = Joystick[0].data[1];
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uint16_t AX = (Joystick[0].data[2] << 2) | (Joystick[0].data[5] >> 2 & B11);
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uint16_t AY = (Joystick[0].data[3] << 2) | (Joystick[0].data[5] >> 4 & B11);
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uint16_t AZ = (Joystick[0].data[4] << 2) | (Joystick[0].data[5] >> 6 & B11);
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uint8_t BC = Joystick[0].data[5] >> 1 & 1;
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uint8_t BZ = Joystick[0].data[5] & 1;
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Serial.print(" SX:"); Serial.print(SX);
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Serial.print(" SY:"); Serial.print(SY);
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Serial.print(" AX:"); Serial.print(AX);
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Serial.print(" AY:"); Serial.print(AY);
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Serial.print(" AZ:"); Serial.print(AZ);
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Serial.print(" BC:"); Serial.print(BC);
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Serial.print(" BZ:"); Serial.print(BZ);
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Serial.println();
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#endif
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Joystick[0].updateState();
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Joystick[0].sendState();
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#ifdef DEBUG
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delay(100); // used to see changes in the serial monitor easier.
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#endif
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delayMicroseconds(1000);
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}
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