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#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEServer.h>
#include "BLE2902.h"
#include "BLEHIDDevice.h"
#include "HIDTypes.h"
#include "HIDKeyboardTypes.h"
#include <driver/adc.h>
#include "sdkconfig.h"
#include "Arduino.h"
#include "JRGamepad.h"
static const char _gamepadName [][16] =
{
"JR Gamepad 8", // 8-bit compatibility mode
"JR Gamepad 16", // 16-bit high-resolution mode
"JR Gamepad 2x8", // Dual 8-bit gamepads, for more than 6 (up to 12) channels
"JR Gamepad 2x16", // Dual 16-bit gamepads, for more than 6 (up to 12) channels
"JR Gamepad 7", // Same as the above, but with positive axis values only (Unity/Windows bug workaround)
"JR Gamepad 15", // ...this results in 1-bit resolution loss, hence the 7/15 naming
"JR Gamepad 2x7",
"JR Gamepad 2x15"
};
// HID reports:
//
// For maximum compatibility with generic gamepad drivers, a maximum of 6 PPM channels per gamepad
// are mapped as follows:
//
// - The first 4 channels are mapped to the analog stick axes X, Y, Z and rZ
// - The last 2 channels are mapped to the rX and rY axes, which are typically used for the left
// and right analog triggers
//
// The "dual" modes with more than 6 channels are mapped as two gamepads in a composite HID report.
static const uint8_t _single8bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x 8-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
LOGICAL_MINIMUM(1), 0x81, // LOGICAL_MINIMUM (-127)
LOGICAL_MAXIMUM(1), 0x7F, // LOGICAL_MAXIMUM (127)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION (Application)
};
static const uint8_t _single16bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x16-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
0x16, 0x01, 0x80, // LOGICAL_MINIMUM (-32767)
0x26, 0xFF, 0x7F, // LOGICAL_MAXIMUM (32767)
REPORT_SIZE(1), 0x10, // REPORT_SIZE (16)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION
};
static const uint8_t _dual8bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1 / 2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x 8-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
LOGICAL_MINIMUM(1), 0x81, // LOGICAL_MINIMUM (-127)
LOGICAL_MAXIMUM(1), 0x7F, // LOGICAL_MAXIMUM (127)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0), // END_COLLECTION
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x02, // Gamepad 2 / 2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x 8-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
LOGICAL_MINIMUM(1), 0x81, // LOGICAL_MINIMUM (-127)
LOGICAL_MAXIMUM(1), 0x7F, // LOGICAL_MAXIMUM (127)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION
};
static const uint8_t _dual16bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1/2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x16-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
0x16, 0x01, 0x80, // LOGICAL_MINIMUM (-32767)
0x26, 0xFF, 0x7F, // LOGICAL_MAXIMUM (32767)
REPORT_SIZE(1), 0x10, // REPORT_SIZE (16)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0), // END_COLLECTION
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x02, // Gamepad 2/2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x16-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
0x16, 0x01, 0x80, // LOGICAL_MINIMUM (-32767)
0x26, 0xFF, 0x7F, // LOGICAL_MAXIMUM (32767)
REPORT_SIZE(1), 0x10, // REPORT_SIZE (16)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION
};
// Unity under Windows bug workaround: same HID reports as above, but with positive axis values only...
static const uint8_t _single7bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x 8-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x7F, // LOGICAL_MAXIMUM (127)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION (Application)
};
static const uint8_t _single15bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x16-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
0x16, 0x00, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x7F, // LOGICAL_MAXIMUM (32767)
REPORT_SIZE(1), 0x10, // REPORT_SIZE (16)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION
};
static const uint8_t _dual7bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1 / 2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x 8-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x7F, // LOGICAL_MAXIMUM (127)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0), // END_COLLECTION
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x02, // Gamepad 2 / 2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x 8-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x7F, // LOGICAL_MAXIMUM (127)
REPORT_SIZE(1), 0x08, // REPORT_SIZE (8)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION
};
static const uint8_t _dual15bitHIDreport[] = {
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x01, // Gamepad 1/2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x16-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
0x16, 0x00, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x7F, // LOGICAL_MAXIMUM (32767)
REPORT_SIZE(1), 0x10, // REPORT_SIZE (16)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0), // END_COLLECTION
USAGE(1), 0x05, // USAGE (Gamepad)
COLLECTION(1), 0x01, // COLLECTION (Application)
REPORT_ID(1), 0x02, // Gamepad 2/2
// ------------------------------------------------- Buttons 1 to 8 - unused, but necessary
USAGE_PAGE(1), 0x09, // USAGE_PAGE (Button)
USAGE_MINIMUM(1), 0x01, // USAGE_MINIMUM (Button 1)
USAGE_MAXIMUM(1), 0x08, // USAGE_MAXIMUM (Button 8)
LOGICAL_MINIMUM(1), 0x00, // LOGICAL_MINIMUM (0)
LOGICAL_MAXIMUM(1), 0x01, // LOGICAL_MAXIMUM (1)
REPORT_SIZE(1), 0x01, // REPORT_SIZE (1)
REPORT_COUNT(1), 0x08, // REPORT_COUNT (8)
HIDINPUT(1), 0x02, // INPUT (Data, Variable, Absolute)
// ------------------------------------------------- 6x16-bit resolution gamepad axes
USAGE_PAGE(1), 0x01, // USAGE_PAGE (Generic Desktop)
USAGE(1), 0x30, // USAGE (X)
USAGE(1), 0x31, // USAGE (Y)
USAGE(1), 0x32, // USAGE (Z)
USAGE(1), 0x33, // USAGE (rX)
USAGE(1), 0x34, // USAGE (rY)
USAGE(1), 0x35, // USAGE (rZ)
0x16, 0x00, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x7F, // LOGICAL_MAXIMUM (32767)
REPORT_SIZE(1), 0x10, // REPORT_SIZE (16)
REPORT_COUNT(1), 0x06, // REPORT_COUNT (6)
HIDINPUT(1), 0x02, // INPUT (Data,Var,Abs)
END_COLLECTION(0) // END_COLLECTION
};
// BLEDevice server callbacks for handling Bluetooth connection / disconnection
class MyCallbacks : public BLEServerCallbacks {
public :
JRGamepad* JRGamepadInstance;
MyCallbacks (JRGamepad* o_JRGamepad) {
this->JRGamepadInstance = o_JRGamepad;
};
void onConnect (BLEServer* pServer) {
this->JRGamepadInstance->connected = true;
for (uint32_t g = 0; g < this->JRGamepadInstance->gamepads; g++) {
BLE2902* desc = (BLE2902*)this->JRGamepadInstance->inputGamepad[g]->getDescriptorByUUID(BLEUUID((uint16_t)0x2902));
desc->setNotifications(true);
}
}
void onDisconnect (BLEServer* pServer) {
this->JRGamepadInstance->connected = false;
for (int g = 0; g < this->JRGamepadInstance->gamepads; g++) {
BLE2902* desc = (BLE2902*)this->JRGamepadInstance->inputGamepad[g]->getDescriptorByUUID(BLEUUID((uint16_t)0x2902));
desc->setNotifications(false);
}
}
};
// Constructor
JRGamepad::JRGamepad (std::string deviceName, std::string deviceManufacturer, uint8_t batteryLevel) : hid(0)
{
this->connected = false;
this->deviceName = deviceName;
this->deviceManufacturer = deviceManufacturer;
this->batteryLevel = batteryLevel;
}
// Begin Bluetooth advertising
void JRGamepad::begin (uint8_t gamepadMode)
{
this->gamepadMode = gamepadMode;
this->gamepads = (gamepadMode >> 1) > 1 ? 2 : 1;
this->compatibilityMode = ! (gamepadMode & 0x01);
this->unityBugWorkaround = gamepadMode > 3;
this->deviceName = _gamepadName[gamepadMode];
// Initialize BLEDevice with a matching HID report, and start advertising
//Serial.println (micros());
BLEDevice::init (this->deviceName); // ...interferes with RMT, causing the error: "RMT[0] ERR / status: 0x04000000"
//Serial.println (micros());
BLEServer *pServer = BLEDevice::createServer();
pServer->setCallbacks (new MyCallbacks(this));
this->hid = new BLEHIDDevice (pServer);
for (uint32_t g = 0; g < this->gamepads; g++)
this->inputGamepad[g] = this->hid->inputReport(g + 1); // REPORT ID from report map
this->hid->manufacturer()->setValue (this->deviceManufacturer);
this->hid->pnp(0x01, 0x02e5, 0xabcd, 0x0110);
this->hid->hidInfo(0x00, 0x01);
BLESecurity *pSecurity = new BLESecurity();
pSecurity->setAuthenticationMode(ESP_LE_AUTH_BOND);
// select the HID report matching the gamepad mode
if (this->gamepadMode == SINGLE_8BIT)
this->hid->reportMap ((uint8_t*) _single8bitHIDreport, sizeof (_single8bitHIDreport));
else if (this->gamepadMode == SINGLE_16BIT)
this->hid->reportMap ((uint8_t*) _single16bitHIDreport, sizeof (_single16bitHIDreport));
else if (this->gamepadMode == DUAL_8BIT)
this->hid->reportMap ((uint8_t*) _dual8bitHIDreport, sizeof (_dual8bitHIDreport));
else if (this->gamepadMode == DUAL_16BIT)
this->hid->reportMap ((uint8_t*) _dual16bitHIDreport, sizeof (_dual16bitHIDreport));
else if (this->gamepadMode == SINGLE_7BIT)
this->hid->reportMap ((uint8_t*) _single7bitHIDreport, sizeof (_single7bitHIDreport));
else if (this->gamepadMode == SINGLE_15BIT)
this->hid->reportMap ((uint8_t*) _single15bitHIDreport, sizeof (_single15bitHIDreport));
else if (this->gamepadMode == DUAL_7BIT)
this->hid->reportMap ((uint8_t*) _dual7bitHIDreport, sizeof (_dual7bitHIDreport));
else if (this->gamepadMode == DUAL_15BIT)
this->hid->reportMap ((uint8_t*) _dual15bitHIDreport, sizeof (_dual15bitHIDreport));
this->hid->startServices();
BLEAdvertising *pAdvertising = pServer->getAdvertising();
pAdvertising->setAppearance (HID_GAMEPAD);
pAdvertising->addServiceUUID (this->hid->hidService()->getUUID());
pAdvertising->start();
this->hid->setBatteryLevel (this->batteryLevel);
}
// End Bluetooth advertising / unimplemented ...never reached
void JRGamepad::end(void)
{
}
// Set gamepad axis values
//
// Note: The axes array must be sized to hold 12 channels. Unused channels
// have to be set to zero before passing the array as parameter.
void JRGamepad::setAxes (int16_t axes[])
{
if (! this->connected)
return;
uint8_t report[13];
int16_t val;
for (uint32_t g = 0; g < this->gamepads; g++) {
uint32_t i = 0;
report[i++] = 0; // 8 buttons (1 byte)
for (uint32_t a = 0; a < 6; a++) { // 6 axes
if (this->compatibilityMode) {
val = axes[g * 6 + a] >> 8;
report[i++] = (val); // 1 byte for each 8-bit axis (high byte of 16-bit axis value)
}
else {
val = axes[g * 6 + a];
report[i++] = val; // 2 bytes for each 16-bit axis
report[i++] = (val >> 8);
}
}
this->inputGamepad[g]->setValue (report, this->compatibilityMode ? 7 : 13);
this->inputGamepad[g]->notify();
}
}