Update HIDGamepad.ino

Author: adamdeter

libraries/USB/examples/HIDGamepad/HIDGamepad.ino

@@ -183,6 +183,7 @@ uint8_t readHat() {
 int8_t readAxis(uint8_t pin) {
  uint16_t raw = analogRead(pin); // 0-4096 from microcontroller
  int mapped = map(raw, 0, 4095, -127, 127); // maps 12 bit analog from esp32 to 8 bit signed integer for packaging
+ mapped = max(-127, min(127, mapped));
  return (int8_t)mapped;
 };
 
@@ -191,19 +192,19 @@ void setup() {
  Serial.setDebugOutput(true);
 
  // BUTTON PIN SETUP
- for (int i = 0; i < sizeof(buttonPins) / buttonPins[0]; i++) {
+ for (int i = 0; i < sizeof(buttonPins) / sizeof(buttonPins[0]); i++) {
  if (buttonPins[i] == 255) {
  continue;
  } else {
  pinMode(buttonPins[i], INPUT_PULLUP); // Active LOW buttons
  }
  }
  // HAT PIN SETUP
- for (int i = 0; i < sizeof(hatPins) / hatPins[0]; i++) {
+ for (int i = 0; i < sizeof(hatPins) / sizeof(hatPins[0]); i++) {
  pinMode(hatPins[i], INPUT_PULLUP); // Active LOW buttons
  }
  // AXIS PIN SETUP
- for (int i = 0; i < sizeof(axisPins) / axisPins[0]; i++) {
+ for (int i = 0; i < sizeof(axisPins) / sizeof(axisPins[0]); i++) {
  pinMode(axisPins[i], INPUT); // Active LOW buttons
  }
  memset(&report, 0, sizeof(report));
@@ -216,9 +217,9 @@ void setup() {
 // ---------------- LOOP ----------------
 void loop() {
  // Read buttons
- for (int i = 0; i < sizeof(buttonPins) / buttonPins[0]; i++) {
+ for (int i = 0; i < sizeof(buttonPins) / sizeof(buttonPins[0]); i++) {
  if (buttonPins[i] == 255) {
- continue
+ continue;
  } else { 
  bool state = digitalRead(buttonPins[i]);
  if (state == LOW) {
@@ -229,7 +230,7 @@ void loop() {
  }
  }
  // Fill report
- for (int i = 0; i < sizeof(axisPins) / axisPins[0]; i++) {report.axis[i] = readAxis(axisPins[i])}
+ for (int i = 0; i < sizeof(axisPins) / sizeof(axisPins[0]); i++) {report.axis[i] = readAxis(axisPins[i]);}
  report.hat = readHat(); // neutral hat
  report.padding = 0;
  memcpy(report.buttons, buttons, 3);