HFS Play

#include "iivx_leo.h"
iivxReport_t report;

#define REPORT_DELAY 2000
// Number of microseconds between HID reports
// 2000 = 500hz

#define ENC_L_A 0
#define ENC_L_B 1
#define ENC_L_B_ADDR 3
#define ENC_R_A 2
#define ENC_R_B 3
#define ENC_R_B_ADDR 0
#define ENCODER_SENSITIVITY (double) 1.5625
#define ENCODER_PORT PIND
// encoder sensitivity = number of positions per rotation (400) / number of positions for HID report (256)
/*
connect encoders
VOL-L to pins 0 and 1
VOL-R to pins 2 and 3
*/

int tmp;
uint8_t buttonCount = 7;
uint8_t lightMode = 1;
// 0 = reactive lighting, 1 = HID lighting
uint8_t ledPins[] = {6, 7, 8, 9, 10, 11, 12};
uint8_t buttonPins[] = {13, 18, 19, 20, 21, 22, 23};
uint8_t sysPin = 5;
uint8_t reactiveLightPin = 21;
uint8_t hidLightPin = 22;
uint8_t sysInputPins[] = {13, 18, 19, 20};
int32_t encL = 0, encR = 0;
/* current pin layout
pins 6 to 12 = LED 1 to 7
connect pin to + termnial of LED
connect ground to resistor and then - terminal of LED
pins 13, A0 to A5 = Button input 1 to 7
connect button pin to ground to trigger button press
pins 5 = system pin
connect system pin to ground with a small button
press together with other buttons to change lighting scheme
system button + button 1 = reactive lighting
system button + button 3 = HID lighting
*/


void doEncL() {
if ((ENCODER_PORT >> ENC_L_B_ADDR) & 1) {
encL++;
} else {
encL--;
}
}

void doEncR() {
if ((ENCODER_PORT >> ENC_R_B_ADDR) & 1) {
encR++;
} else {
encR--;
}
}

void lights(uint8_t lightDesc) {
for (int i = 0; i < buttonCount; i++) {
if ((lightDesc >> i) & 1) {
digitalWrite(ledPins, HIGH);
} else {
digitalWrite(ledPins, LOW);
}
}
}

void setup() {
delay(1000);
// Setup I/O for pins
for (int i = 0; i < buttonCount; i++) {
pinMode(buttonPins, INPUT_PULLUP);
pinMode(ledPins, OUTPUT);
}
pinMode(sysPin, INPUT_PULLUP);
//setup interrupts
pinMode(ENC_L_A, INPUT_PULLUP);
pinMode(ENC_L_B, INPUT_PULLUP);
pinMode(ENC_R_A, INPUT_PULLUP);
pinMode(ENC_R_B, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(ENC_L_A), doEncL, RISING);
attachInterrupt(digitalPinToInterrupt(ENC_R_A), doEncR, RISING);
}

void loop() {
// Read buttons
for (int i = 0; i < buttonCount; i++) {
if (digitalRead(buttonPins) != HIGH) {
report.buttons |= (uint16_t)1 << i;
} else {
report.buttons &= ~((uint16_t)1 << i);
}
}
// Read Encoders
report.xAxis = (uint8_t)((int32_t)(encL / ENCODER_SENSITIVITY) % 256);
report.yAxis = (uint8_t)((int32_t)(encR / ENCODER_SENSITIVITY) % 256);
// Light LEDs
if (lightMode == 0) {
lights(report.buttons);
} else {
lights(iivx_led);
}
// Detect Syspin Entries
if (digitalRead(sysPin) != HIGH) {
report.buttons = 0;
for (int i = 0; i < 4; i++) {
if (digitalRead(sysInputPins) != HIGH) {
report.buttons |= (uint16_t)1 << (i + buttonCount);
} else {
report.buttons &= ~((uint16_t)1 << (i + buttonCount));
}
}
if (digitalRead(reactiveLightPin) != HIGH) {
lightMode = 0;
} else if (digitalRead(hidLightPin) != HIGH) {
lightMode = 1;
}
}
// Send report and delay
iivx.setState(&report);
delayMicroseconds(REPORT_DELAY);
}