enhance gampepad report with dpad/hat support
add hid_gamepad_report_t along with GAMEPAD_BUTTON_ and GAMEPAD_HAT_ enum
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hathach
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bc80d686f5
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b2019e4d71
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@ -143,6 +143,97 @@ typedef enum
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/** @} */
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//--------------------------------------------------------------------+
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// GAMEPAD
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//--------------------------------------------------------------------+
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/** \addtogroup ClassDriver_HID_Gamepad Gamepad
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* @{ */
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/* From https://www.kernel.org/doc/html/latest/input/gamepad.html
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____________________________ __
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/ [__ZL__] [__ZR__] \ |
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/ [__ TL __] [__ TR __] \ | Front Triggers
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__/________________________________\__ __|
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/ _ \ |
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/ /\ __ (N) \ |
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/ || __ |MO| __ _ _ \ | Main Pad
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| <===DP===> |SE| |ST| (W) -|- (E) | |
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\ || ___ ___ _ / |
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/\ \/ / \ / \ (S) /\ __|
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/ \________ | LS | ____ | RS | ________/ \ |
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| / \ \___/ / \ \___/ / \ | | Control Sticks
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| / \_____/ \_____/ \ | __|
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| / \ |
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\_____/ \_____/
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|________|______| |______|___________|
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D-Pad Left Right Action Pad
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Stick Stick
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|_____________|
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Menu Pad
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Most gamepads have the following features:
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- Action-Pad 4 buttons in diamonds-shape (on the right side) NORTH, SOUTH, WEST and EAST.
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- D-Pad (Direction-pad) 4 buttons (on the left side) that point up, down, left and right.
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- Menu-Pad Different constellations, but most-times 2 buttons: SELECT - START.
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- Analog-Sticks provide freely moveable sticks to control directions, Analog-sticks may also
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provide a digital button if you press them.
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- Triggers are located on the upper-side of the pad in vertical direction. The upper buttons
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are normally named Left- and Right-Triggers, the lower buttons Z-Left and Z-Right.
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- Rumble Many devices provide force-feedback features. But are mostly just simple rumble motors.
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*/
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/// HID Gamepad Protocol Report.
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typedef struct TU_ATTR_PACKED
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{
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int8_t x; ///< Delta x movement of left analog-stick
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int8_t y; ///< Delta y movement of left analog-stick
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int8_t z; ///< Delta z movement of right analog-joystick
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int8_t rz; ///< Delta Rz movement of right analog-joystick
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int8_t rx; ///< Delta Rx movement of analog left trigger
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int8_t ry; ///< Delta Ry movement of analog right trigger
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uint8_t hat; ///< Buttons mask for currently pressed buttons in the DPad/hat
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uint16_t buttons; ///< Buttons mask for currently pressed buttons
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}hid_gamepad_report_t;
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/// Standard Gamepad Buttons Bitmap (from Linux input event codes)
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typedef enum
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{
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GAMEPAD_BUTTON_A = TU_BIT(0), ///< A/South button
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GAMEPAD_BUTTON_B = TU_BIT(1), ///< B/East button
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GAMEPAD_BUTTON_C = TU_BIT(2), ///< C button
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GAMEPAD_BUTTON_X = TU_BIT(3), ///< X/North button
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GAMEPAD_BUTTON_Y = TU_BIT(4), ///< Y/West button
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GAMEPAD_BUTTON_Z = TU_BIT(5), ///< Z button
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GAMEPAD_BUTTON_TL = TU_BIT(6), ///< L1 button
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GAMEPAD_BUTTON_TR = TU_BIT(7), ///< R1 button
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GAMEPAD_BUTTON_TL2 = TU_BIT(8), ///< L2 button
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GAMEPAD_BUTTON_TR2 = TU_BIT(9), ///< R2 button
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GAMEPAD_BUTTON_SELECT = TU_BIT(10), ///< Select button
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GAMEPAD_BUTTON_START = TU_BIT(11), ///< Start button
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GAMEPAD_BUTTON_MODE = TU_BIT(12), ///< Mode button
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GAMEPAD_BUTTON_THUMBL = TU_BIT(13), ///< L3 button
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GAMEPAD_BUTTON_THUMBR = TU_BIT(14), ///< R3 button
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//GAMEPAD_BUTTON_ = TU_BIT(15), ///< Undefined button
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}hid_gamepad_button_bm_t;
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/// Standard Gamepad HAT/DPAD Buttons Bitmap (from Linux input event codes)
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typedef enum
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{
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GAMEPAD_HAT_CENTERED = 0, ///< DPAD_CENTERED
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GAMEPAD_HAT_UP = 1, ///< DPAD_UP
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GAMEPAD_HAT_UP_RIGHT = 2, ///< DPAD_UP_RIGHT
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GAMEPAD_HAT_RIGHT = 3, ///< DPAD_RIGHT
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GAMEPAD_HAT_DOWN_RIGHT = 4, ///< DPAD_DOWN_RIGHT
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GAMEPAD_HAT_DOWN = 5, ///< DPAD_DOWN
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GAMEPAD_HAT_DOWN_LEFT = 6, ///< DPAD_DOWN_LEFT
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GAMEPAD_HAT_LEFT = 7, ///< DPAD_LEFT
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GAMEPAD_HAT_UP_LEFT = 8, ///< DPAD_UP_LEFT
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}hid_gamepad_hat_bm_t;
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/// @}
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//--------------------------------------------------------------------+
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// MOUSE
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//--------------------------------------------------------------------+
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@ -301,14 +301,37 @@ static inline bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8
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HID_COLLECTION_END \
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// Gamepad Report Descriptor Template
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// with 16 buttons and 2 joysticks with following layout
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// | Button Map (2 bytes) | X | Y | Z | Rz
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// with 16 buttons, 2 joysticks and 1 hat/dpad with following layout
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// | X | Y | Z | Rz | Rx | Ry (1 byte each) | hat/DPAD (1 byte) | Button Map (2 bytes) |
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#define TUD_HID_REPORT_DESC_GAMEPAD(...) \
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HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_GAMEPAD ) ,\
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HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
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HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_GAMEPAD ) ,\
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HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
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/* Report ID if any */\
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__VA_ARGS__ \
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/* 8 bit X, Y, Z, Rz, Rx, Ry (min -127, max 127 ) */ \
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HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_X ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_Y ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_Z ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_RZ ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_RX ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_RY ) ,\
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HID_LOGICAL_MIN ( 0x81 ) ,\
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HID_LOGICAL_MAX ( 0x7f ) ,\
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HID_REPORT_COUNT ( 6 ) ,\
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HID_REPORT_SIZE ( 8 ) ,\
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HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
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/* 8 bit DPad/Hat Button Map */ \
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HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_HAT_SWITCH ) ,\
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HID_LOGICAL_MIN ( 1 ) ,\
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HID_LOGICAL_MAX ( 8 ) ,\
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HID_PHYSICAL_MIN ( 0 ) ,\
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HID_PHYSICAL_MAX_N ( 315, 2 ) ,\
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HID_REPORT_COUNT ( 1 ) ,\
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HID_REPORT_SIZE ( 8 ) ,\
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HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
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/* 16 bit Button Map */ \
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HID_USAGE_PAGE ( HID_USAGE_PAGE_BUTTON ) ,\
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HID_USAGE_MIN ( 1 ) ,\
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@ -318,17 +341,6 @@ static inline bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8
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HID_REPORT_COUNT ( 16 ) ,\
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HID_REPORT_SIZE ( 1 ) ,\
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HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
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/* X, Y, Z, Rz (min -127, max 127 ) */ \
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HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
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HID_LOGICAL_MIN ( 0x81 ) ,\
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HID_LOGICAL_MAX ( 0x7f ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_X ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_Y ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_Z ) ,\
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HID_USAGE ( HID_USAGE_DESKTOP_RZ ) ,\
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HID_REPORT_COUNT ( 4 ) ,\
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HID_REPORT_SIZE ( 8 ) ,\
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HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
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HID_COLLECTION_END \
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// HID Generic Input & Output
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