88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
#ifndef ARDUINO_USB_MODE
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#error This ESP32 SoC has no Native USB interface
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#elif ARDUINO_USB_MODE == 1
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#warning This sketch should be used when USB is in OTG mode
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void setup() {}
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void loop() {}
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#else
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#include "USB.h"
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#include "USBHID.h"
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USBHID HID;
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static const uint8_t report_descriptor[] = {
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// 8 axis
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0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
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0x09, 0x04, // Usage (Joystick)
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0xa1, 0x01, // Collection (Application)
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0xa1, 0x00, // Collection (Physical)
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0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
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0x09, 0x30, // Usage (X)
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0x09, 0x31, // Usage (Y)
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0x09, 0x32, // Usage (Z)
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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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0x09, 0x36, // Usage (Slider)
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0x09, 0x36, // Usage (Slider)
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0x15, 0x81, // Logical Minimum (-127)
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0x25, 0x7f, // Logical Maximum (127)
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0x75, 0x08, // Report Size (8)
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0x95, 0x08, // Report Count (8)
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0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
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0xC0, // End Collection
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0xC0, // End Collection
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};
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class CustomHIDDevice : public USBHIDDevice {
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public:
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CustomHIDDevice(void) {
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static bool initialized = false;
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if (!initialized) {
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initialized = true;
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HID.addDevice(this, sizeof(report_descriptor));
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}
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}
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void begin(void) {
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HID.begin();
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}
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uint16_t _onGetDescriptor(uint8_t *buffer) {
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memcpy(buffer, report_descriptor, sizeof(report_descriptor));
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return sizeof(report_descriptor);
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}
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bool send(uint8_t *value) {
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return HID.SendReport(0, value, 8);
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}
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};
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CustomHIDDevice Device;
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const int buttonPin = 0;
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int previousButtonState = HIGH;
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uint8_t axis[8];
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void setup() {
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Serial.begin(115200);
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Serial.setDebugOutput(true);
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pinMode(buttonPin, INPUT_PULLUP);
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Device.begin();
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USB.begin();
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}
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void loop() {
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int buttonState = digitalRead(buttonPin);
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if (HID.ready() && buttonState != previousButtonState) {
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previousButtonState = buttonState;
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if (buttonState == LOW) {
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Serial.println("Button Pressed");
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axis[0] = random() & 0xFF;
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Device.send(axis);
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} else {
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Serial.println("Button Released");
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}
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delay(100);
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}
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}
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#endif /* ARDUINO_USB_MODE */
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