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capture g27 shifter r input

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ref: d97f782315/pico_lgff_wheel_adapter/reports.h (L265-L310)
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Katharine Chui
2025-05-03 15:36:17 +02:00
committed by Sam Lantinga
parent 795d1ae1fb
commit 15c6acf74f
1 changed files with 14 additions and 1 deletions
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15
src/joystick/hidapi/SDL_hidapi_lg4ff.c
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@@ -75,7 +75,7 @@ static int HIDAPI_DriverLg4ff_GetNumberOfButtons(Uint32 device_id)
case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
return 25;
case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
return 22;
return 23;
case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
return 19;
case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
@@ -647,6 +647,19 @@ static bool HIDAPI_DriverLg4ff_HandleState(SDL_HIDAPI_Device *device,
SDL_assert(0);
}
if (device->product_id == USB_DEVICE_ID_LOGITECH_G27_WHEEL) {
// ref https://github.com/sonik-br/lgff_wheel_adapter/blob/d97f7823154818e1b3edff6d51498a122c302728/pico_lgff_wheel_adapter/reports.h#L265-L310
// shifter_r is outside of the main button bit field for this particular wheel
num_buttons--;
bool button_on = HIDAPI_DriverLg4ff_GetBit(report_buf, 80, report_size);
bool button_was_on = HIDAPI_DriverLg4ff_GetBit(ctx->last_report_buf, 80, report_size);
if (button_on != button_was_on) {
state_changed = true;
SDL_SendJoystickButton(timestamp, joystick, (Uint8)(SDL_GAMEPAD_BUTTON_SOUTH + num_buttons), button_on);
}
}
for (int i = 0;i < num_buttons;i++) {
int bit_num = bit_offset + i;
bool button_on = HIDAPI_DriverLg4ff_GetBit(report_buf, bit_num, report_size);