RP2040 クリック機

前回のサボテンダーのゲーム（？）、一昔まえのクリックゲーっぽいんだけどクリック数がえげつない。こんなんクリックしてられるかー

というわけで今回はマイコンの出番。便利だなこの知識

tomosoft.jp

#include "Adafruit_TinyUSB.h"

/* This sketch demonstrates USB HID mouse
 * Press button pin will move
 * - mouse toward bottom right of monitor
 *
 * Depending on the board, the button pin
 * and its active state (when pressed) are different
 */
#if defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS) || defined(ARDUINO_NRF52840_CIRCUITPLAY)
  const int pin = 4; // Left Button
  bool activeState = true;

#elif defined(ARDUINO_FUNHOUSE_ESP32S2)
  const int pin = BUTTON_DOWN;
  bool activeState = true;

#elif defined PIN_BUTTON1
  const int pin = PIN_BUTTON1;
  bool activeState = false;

#else
  const int pin = 12;
  bool activeState = false;
#endif


// HID report descriptor using TinyUSB's template
// Single Report (no ID) descriptor
uint8_t const desc_hid_report[] =
{
  TUD_HID_REPORT_DESC_MOUSE()
};

// USB HID object. For ESP32 these values cannot be changed after this declaration
// desc report, desc len, protocol, interval, use out endpoint
Adafruit_USBD_HID usb_hid(desc_hid_report, sizeof(desc_hid_report), HID_ITF_PROTOCOL_MOUSE, 2, false);

// the setup function runs once when you press reset or power the board
void setup()
{
#if defined(ARDUINO_ARCH_MBED) && defined(ARDUINO_ARCH_RP2040)
  // Manual begin() is required on core without built-in support for TinyUSB such as mbed rp2040
  TinyUSB_Device_Init(0);
#endif

  // Set up button, pullup opposite to active state
  pinMode(pin, activeState ? INPUT_PULLDOWN : INPUT_PULLUP);

  // Notes: following commented-out functions has no affect on ESP32
  // usb_hid.setBootProtocol(HID_ITF_PROTOCOL_MOUSE);
  // usb_hid.setPollInterval(2);
  // usb_hid.setReportDescriptor(desc_hid_report, sizeof(desc_hid_report));
  // usb_hid.setStringDescriptor("TinyUSB Mouse");

  usb_hid.begin();

  Serial.begin(115200);

  // wait until device mounted
  while( !TinyUSBDevice.mounted() ) delay(1);

  Serial.println("Adafruit TinyUSB HID Mouse example");
}

void loop()
{
  // poll gpio once each 10 ms
  delay(10);

  // Whether button is pressed
  bool btn_pressed = (digitalRead(pin) == activeState);

  // nothing to do if button is not pressed
  if (!btn_pressed) return;

  // Remote wakeup
  if ( TinyUSBDevice.suspended() )
  {
    // Wake up host if we are in suspend mode
    // and REMOTE_WAKEUP feature is enabled by host
    TinyUSBDevice.remoteWakeup();
  }

  if ( usb_hid.ready() )
  {
    usb_hid.mouseButtonPress(0, MOUSE_BUTTON_LEFT);
    delay(10);
    usb_hid.mouseButtonRelease(0);
    // uint8_t const report_id = 0; // no ID
    // int8_t const delta = 5;
    // usb_hid.mouseMove(report_id, delta, delta); // right + down
  }
}

（うわはてなクソめんどくさ）

ファームウェアとしてのArduino方面の知識がイマイチ足りてない気はする。それはともかく、コードは自動生成されたものがほとんどで、配線はごくごくシンプルに以下の通り。

10万クリックも辛くないね