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BleGamepad.cpp
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#include <NimBLEDevice.h>
#include <NimBLEUtils.h>
#include <NimBLEServer.h>
#include "NimBLEHIDDevice.h"
#include "HIDTypes.h"
#include "HIDKeyboardTypes.h"
#include "sdkconfig.h"
#include "BleConnectionStatus.h"
#include "BleGamepad.h"
#include "NimBLELog.h"
#include "BleGamepadConfiguration.h"
#include <stdexcept>
#if defined(CONFIG_ARDUHAL_ESP_LOG)
#include "esp32-hal-log.h"
#define LOG_TAG "BLEGamepad"
#else
#include "esp_log.h"
static const char *LOG_TAG = "BLEGamepad";
#endif
#define SERVICE_UUID_DEVICE_INFORMATION "180A" // Service - Device information
#define CHARACTERISTIC_UUID_MODEL_NUMBER "2A24" // Characteristic - Model Number String - 0x2A24
#define CHARACTERISTIC_UUID_SOFTWARE_REVISION "2A28" // Characteristic - Software Revision String - 0x2A28
#define CHARACTERISTIC_UUID_SERIAL_NUMBER "2A25" // Characteristic - Serial Number String - 0x2A25
#define CHARACTERISTIC_UUID_FIRMWARE_REVISION "2A26" // Characteristic - Firmware Revision String - 0x2A26
#define CHARACTERISTIC_UUID_HARDWARE_REVISION "2A27" // Characteristic - Hardware Revision String - 0x2A27
#define CHARACTERISTIC_UUID_BATTERY_POWER_STATE "2A1A" // Characteristic - Battery Power State - 0x2A1A
#define POWER_STATE_UNKNOWN 0 // 0b00
#define POWER_STATE_NOT_SUPPORTED 1 // 0b01
#define POWER_STATE_NOT_PRESENT 2 // 0b10
#define POWER_STATE_NOT_DISCHARGING 2 // 0b10
#define POWER_STATE_NOT_CHARGING 2 // 0b10
#define POWER_STATE_GOOD 2 // 0b10
#define POWER_STATE_PRESENT 3 // 0b11
#define POWER_STATE_DISCHARGING 3 // 0b11
#define POWER_STATE_CHARGING 3 // 0b11
#define POWER_STATE_CRITICAL 3 // 0b11
BleGamepad::BleGamepad(std::string deviceName, std::string deviceManufacturer, uint8_t batteryLevel, bool delayAdvertising) : _buttons(),
_specialButtons(0),
_x(0),
_y(0),
_z(0),
_rX(0),
_rY(0),
_rZ(0),
_slider1(0),
_slider2(0),
_rudder(0),
_throttle(0),
_accelerator(0),
_brake(0),
_steering(0),
_hat1(0),
_hat2(0),
_hat3(0),
_hat4(0),
_gX(0),
_gY(0),
_gZ(0),
_aX(0),
_aY(0),
_aZ(0),
_batteryPowerInformation(0),
_dischargingState(0),
_chargingState(0),
_powerLevel(0),
hid(0),
pCharacteristic_Power_State(0),
configuration(),
pServer(nullptr),
nus(nullptr)
{
this->resetButtons();
this->deviceName = deviceName;
this->deviceManufacturer = deviceManufacturer;
this->batteryLevel = batteryLevel;
this->delayAdvertising = delayAdvertising;
this->connectionStatus = new BleConnectionStatus();
hidReportDescriptorSize = 0;
hidReportSize = 0;
numOfButtonBytes = 0;
enableOutputReport = false;
outputReportLength = 64;
nusInitialized = false;
}
void BleGamepad::resetButtons()
{
memset(&_buttons, 0, sizeof(_buttons));
}
void BleGamepad::begin(BleGamepadConfiguration *config)
{
configuration = *config; // we make a copy, so the user can't change actual values midway through operation, without calling the begin function again
enableOutputReport = configuration.getEnableOutputReport();
outputReportLength = configuration.getOutputReportLength();
uint8_t buttonPaddingBits = 8 - (configuration.getButtonCount() % 8);
if (buttonPaddingBits == 8)
{
buttonPaddingBits = 0;
}
uint8_t specialButtonPaddingBits = 8 - (configuration.getTotalSpecialButtonCount() % 8);
if (specialButtonPaddingBits == 8)
{
specialButtonPaddingBits = 0;
}
uint8_t numOfAxisBytes = configuration.getAxisCount() * 2;
uint8_t numOfSimulationBytes = configuration.getSimulationCount() * 2;
numOfButtonBytes = configuration.getButtonCount() / 8;
if (buttonPaddingBits > 0)
{
numOfButtonBytes++;
}
uint8_t numOfSpecialButtonBytes = configuration.getTotalSpecialButtonCount() / 8;
if (specialButtonPaddingBits > 0)
{
numOfSpecialButtonBytes++;
}
uint8_t numOfMotionBytes = 0;
if (configuration.getIncludeAccelerometer())
{
numOfMotionBytes += 6;
}
if (configuration.getIncludeGyroscope())
{
numOfMotionBytes += 6;
}
hidReportSize = numOfButtonBytes + numOfSpecialButtonBytes + numOfAxisBytes + numOfSimulationBytes + numOfMotionBytes + configuration.getHatSwitchCount();
// USAGE_PAGE (Generic Desktop)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE (Joystick - 0x04; Gamepad - 0x05; Multi-axis Controller - 0x08)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getControllerType();
// COLLECTION (Application)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xa1;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// REPORT_ID (Default: 3)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x85;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getHidReportId();
if (configuration.getButtonCount() > 0)
{
// USAGE_PAGE (Button)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
// LOGICAL_MINIMUM (0)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x15;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// LOGICAL_MAXIMUM (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x25;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// REPORT_SIZE (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE_MINIMUM (Button 1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x19;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE_MAXIMUM (Up to 128 buttons possible)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x29;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getButtonCount();
// REPORT_COUNT (# of buttons)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getButtonCount();
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
if (buttonPaddingBits > 0)
{
// REPORT_SIZE (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// REPORT_COUNT (# of padding bits)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = buttonPaddingBits;
// INPUT (Const,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x03;
} // Padding Bits Needed
} // Buttons
if (configuration.getTotalSpecialButtonCount() > 0)
{
// LOGICAL_MINIMUM (0)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x15;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// LOGICAL_MAXIMUM (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x25;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// REPORT_SIZE (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
if (configuration.getDesktopSpecialButtonCount() > 0)
{
// USAGE_PAGE (Generic Desktop)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// REPORT_COUNT
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getDesktopSpecialButtonCount();
if (configuration.getIncludeStart())
{
// USAGE (Start)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x3D;
}
if (configuration.getIncludeSelect())
{
// USAGE (Select)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x3E;
}
if (configuration.getIncludeMenu())
{
// USAGE (App Menu)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x86;
}
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
}
if (configuration.getConsumerSpecialButtonCount() > 0)
{
// USAGE_PAGE (Consumer Page)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x0C;
// REPORT_COUNT
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getConsumerSpecialButtonCount();
if (configuration.getIncludeHome())
{
// USAGE (Home)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x0A;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x23;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
}
if (configuration.getIncludeBack())
{
// USAGE (Back)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x0A;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x24;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
}
if (configuration.getIncludeVolumeInc())
{
// USAGE (Volume Increment)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xE9;
}
if (configuration.getIncludeVolumeDec())
{
// USAGE (Volume Decrement)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xEA;
}
if (configuration.getIncludeVolumeMute())
{
// USAGE (Mute)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xE2;
}
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
}
if (specialButtonPaddingBits > 0)
{
// REPORT_SIZE (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// REPORT_COUNT (# of padding bits)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = specialButtonPaddingBits;
// INPUT (Const,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x03;
} // Padding Bits Needed
} // Special Buttons
if (configuration.getAxisCount() > 0)
{
// USAGE_PAGE (Generic Desktop)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE (Pointer)
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// LOGICAL_MINIMUM (-32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x16;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getAxesMin());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getAxesMin());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00; // Use these two lines for 0 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01; // Use these two lines for -32767 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x80;
// LOGICAL_MAXIMUM (+32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x26;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getAxesMax());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getAxesMax());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for 255 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for +32767 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x7F;
// REPORT_SIZE (16)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x10;
// REPORT_COUNT (configuration.getAxisCount())
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getAxisCount();
// COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xA1;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
if (configuration.getIncludeXAxis())
{
// USAGE (X)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x30;
}
if (configuration.getIncludeYAxis())
{
// USAGE (Y)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x31;
}
if (configuration.getIncludeZAxis())
{
// USAGE (Z)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x32;
}
if (configuration.getIncludeRzAxis())
{
// USAGE (Rz)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x35;
}
if (configuration.getIncludeRxAxis())
{
// USAGE (Rx)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x33;
}
if (configuration.getIncludeRyAxis())
{
// USAGE (Ry)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x34;
}
if (configuration.getIncludeSlider1())
{
// USAGE (Slider)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x36;
}
if (configuration.getIncludeSlider2())
{
// USAGE (Slider)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x36;
}
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
// END_COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xc0;
} // X, Y, Z, Rx, Ry, and Rz Axis
if (configuration.getSimulationCount() > 0)
{
// USAGE_PAGE (Simulation Controls)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
// LOGICAL_MINIMUM (-32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x16;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getSimulationMin());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getSimulationMin());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00; // Use these two lines for 0 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01; // Use these two lines for -32767 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x80;
// LOGICAL_MAXIMUM (+32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x26;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getSimulationMax());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getSimulationMax());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for 255 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for +32767 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x7F;
// REPORT_SIZE (16)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x10;
// REPORT_COUNT (configuration.getSimulationCount())
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getSimulationCount();
// COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xA1;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
if (configuration.getIncludeRudder())
{
// USAGE (Rudder)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xBA;
}
if (configuration.getIncludeThrottle())
{
// USAGE (Throttle)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xBB;
}
if (configuration.getIncludeAccelerator())
{
// USAGE (Accelerator)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xC4;
}
if (configuration.getIncludeBrake())
{
// USAGE (Brake)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xC5;
}
if (configuration.getIncludeSteering())
{
// USAGE (Steering)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xC8;
}
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
// END_COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xc0;
} // Simulation Controls
// Gyroscope
if (configuration.getIncludeGyroscope())
{
// COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xA1;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// USAGE_PAGE (Generic Desktop)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE (Gyroscope - Rotational X - Rx)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x33;
// USAGE (Rotational - Rotational Y - Ry)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x34;
// USAGE (Rotational - Rotational Z - Rz)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x35;
// LOGICAL_MINIMUM (-32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x16;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getMotionMin());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getMotionMin());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00; // Use these two lines for 0 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01; // Use these two lines for -32767 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x80;
// LOGICAL_MAXIMUM (+32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x26;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getMotionMax());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getMotionMax());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for 255 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for +32767 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x7F;
// REPORT_SIZE (16)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x10;
// REPORT_COUNT (3)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x03;
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
// END_COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xc0;
} //Gyroscope
// Accelerometer
if (configuration.getIncludeAccelerometer())
{
// COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xA1;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// USAGE_PAGE (Generic Desktop)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x05;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE (Accelerometer - Vector X - Vx)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x40;
// USAGE (Accelerometer - Vector Y - Vy)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x41;
// USAGE (Accelerometer - Vector Z - Vz)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x42;
// LOGICAL_MINIMUM (-32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x16;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getMotionMin());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getMotionMin());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00; // Use these two lines for 0 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01; // Use these two lines for -32767 min
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x80;
// LOGICAL_MAXIMUM (+32767)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x26;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getMotionMax());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getMotionMax());
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for 255 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF; // Use these two lines for +32767 max
//tempHidReportDescriptor[hidReportDescriptorSize++] = 0x7F;
// REPORT_SIZE (16)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x10;
// REPORT_COUNT (3)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x03;
// INPUT (Data,Var,Abs)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
// END_COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xc0;
} //Accelerometer
if (configuration.getHatSwitchCount() > 0)
{
// COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xA1;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// USAGE_PAGE (Generic Desktop)
tempHidReportDescriptor[hidReportDescriptorSize++] = USAGE_PAGE(1);
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// USAGE (Hat Switch)
for (int currentHatIndex = 0; currentHatIndex < configuration.getHatSwitchCount(); currentHatIndex++)
{
tempHidReportDescriptor[hidReportDescriptorSize++] = USAGE(1);
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x39;
}
// Logical Min (1)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x15;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// Logical Max (8)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x25;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x08;
// Physical Min (0)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x35;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// Physical Max (315)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x46;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x3B;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// Unit (SI Rot : Ang Pos)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x65;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x12;
// Report Size (8)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x08;
// Report Count (4)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getHatSwitchCount();
// Input (Data, Variable, Absolute)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x81;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x42;
// END_COLLECTION (Physical)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xc0;
} // Hat Switches
if (configuration.getEnableOutputReport())
{
// Usage Page (Vendor Defined 0xFF00)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x06;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF;
// Usage (Vendor Usage 0x01)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// Usage (0x01)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x09;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x01;
// Logical Minimum (0)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x15;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// Logical Maximum (255)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x26;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xFF;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x00;
// Report Size (8 bits)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x75;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x08;
if (configuration.getOutputReportLength() <= 0xFF)
{
// Report Count (0~255 bytes)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x95;
tempHidReportDescriptor[hidReportDescriptorSize++] = configuration.getOutputReportLength();
}
else
{
// Report Count (0~65535 bytes)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x96;
tempHidReportDescriptor[hidReportDescriptorSize++] = lowByte(configuration.getOutputReportLength());
tempHidReportDescriptor[hidReportDescriptorSize++] = highByte(configuration.getOutputReportLength());
}
// Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x91;
tempHidReportDescriptor[hidReportDescriptorSize++] = 0x02;
}
// END_COLLECTION (Application)
tempHidReportDescriptor[hidReportDescriptorSize++] = 0xc0;
// Set task priority from 5 to 1 in order to get ESP32-C3 working
xTaskCreate(this->taskServer, "server", 20000, (void *)this, 1, NULL);
}
void BleGamepad::end(void)
{
}
void BleGamepad::setAxes(int16_t x, int16_t y, int16_t z, int16_t rX, int16_t rY, int16_t rZ, int16_t slider1, int16_t slider2)
{
if (x == -32768)
{
x = -32767;
}
if (y == -32768)
{
y = -32767;
}
if (z == -32768)
{
z = -32767;
}
if (rZ == -32768)
{
rZ = -32767;
}
if (rX == -32768)
{
rX = -32767;
}
if (rY == -32768)
{
rY = -32767;
}
if (slider1 == -32768)
{
slider1 = -32767;
}
if (slider2 == -32768)
{
slider2 = -32767;
}
_x = x;
_y = y;
_z = z;
_rZ = rZ;
_rX = rX;
_rY = rY;
_slider1 = slider1;
_slider2 = slider2;
if (configuration.getAutoReport())
{
sendReport();
}
}
void BleGamepad::setHIDAxes(int16_t x, int16_t y, int16_t z, int16_t rZ, int16_t rX, int16_t rY, int16_t slider1, int16_t slider2)
{
if (x == -32768)
{
x = -32767;
}
if (y == -32768)
{
y = -32767;
}
if (z == -32768)
{
z = -32767;
}
if (rZ == -32768)
{
rZ = -32767;
}
if (rX == -32768)
{
rX = -32767;
}
if (rY == -32768)
{
rY = -32767;
}
if (slider1 == -32768)
{
slider1 = -32767;
}
if (slider2 == -32768)
{
slider2 = -32767;
}
_x = x;
_y = y;
_z = z;
_rZ = rZ;
_rX = rX;
_rY = rY;
_slider1 = slider1;
_slider2 = slider2;
if (configuration.getAutoReport())
{
sendReport();
}
}
void BleGamepad::setSimulationControls(int16_t rudder, int16_t throttle, int16_t accelerator, int16_t brake, int16_t steering)
{
if (rudder == -32768)
{
rudder = -32767;
}
if (throttle == -32768)
{
throttle = -32767;
}
if (accelerator == -32768)
{
accelerator = -32767;
}
if (brake == -32768)
{
brake = -32767;
}
if (steering == -32768)
{
steering = -32767;
}
_rudder = rudder;
_throttle = throttle;
_accelerator = accelerator;
_brake = brake;
_steering = steering;
if (configuration.getAutoReport())
{
sendReport();
}
}
void BleGamepad::setHats(signed char hat1, signed char hat2, signed char hat3, signed char hat4)
{
_hat1 = hat1;
_hat2 = hat2;
_hat3 = hat3;
_hat4 = hat4;
if (configuration.getAutoReport())
{
sendReport();
}
}
void BleGamepad::setSliders(int16_t slider1, int16_t slider2)
{
if (slider1 == -32768)
{
slider1 = -32767;
}
if (slider2 == -32768)
{
slider2 = -32767;
}
_slider1 = slider1;
_slider2 = slider2;
if (configuration.getAutoReport())
{
sendReport();
}
}
void BleGamepad::sendReport(void)
{
if (this->isConnected())
{
uint8_t currentReportIndex = 0;
uint8_t m[hidReportSize];
memset(&m, 0, sizeof(m));
memcpy(&m, &_buttons, sizeof(_buttons));
currentReportIndex += numOfButtonBytes;
if (configuration.getTotalSpecialButtonCount() > 0)
{
m[currentReportIndex++] = _specialButtons;
}
if (configuration.getIncludeXAxis())
{
m[currentReportIndex++] = _x;
m[currentReportIndex++] = (_x >> 8);
}
if (configuration.getIncludeYAxis())
{
m[currentReportIndex++] = _y;
m[currentReportIndex++] = (_y >> 8);
}
if (configuration.getIncludeZAxis())
{
m[currentReportIndex++] = _z;
m[currentReportIndex++] = (_z >> 8);
}
if (configuration.getIncludeRzAxis())
{
m[currentReportIndex++] = _rZ;
m[currentReportIndex++] = (_rZ >> 8);
}
if (configuration.getIncludeRxAxis())
{
m[currentReportIndex++] = _rX;
m[currentReportIndex++] = (_rX >> 8);
}
if (configuration.getIncludeRyAxis())
{
m[currentReportIndex++] = _rY;
m[currentReportIndex++] = (_rY >> 8);
}
if (configuration.getIncludeSlider1())
{
m[currentReportIndex++] = _slider1;
m[currentReportIndex++] = (_slider1 >> 8);
}
if (configuration.getIncludeSlider2())
{
m[currentReportIndex++] = _slider2;
m[currentReportIndex++] = (_slider2 >> 8);
}
if (configuration.getIncludeRudder())
{
m[currentReportIndex++] = _rudder;
m[currentReportIndex++] = (_rudder >> 8);
}
if (configuration.getIncludeThrottle())
{
m[currentReportIndex++] = _throttle;
m[currentReportIndex++] = (_throttle >> 8);
}
if (configuration.getIncludeAccelerator())
{
m[currentReportIndex++] = _accelerator;
m[currentReportIndex++] = (_accelerator >> 8);
}
if (configuration.getIncludeBrake())
{
m[currentReportIndex++] = _brake;
m[currentReportIndex++] = (_brake >> 8);
}
if (configuration.getIncludeSteering())