Digitizer HID interface : absolute coordinates for mouse cursor (#12851)
* Add digitizer HID interface for setting the mouse cursor position at absolute screen coordinates. Tested on Pro Micro, Proton C and Blackpill. * Update docs/feature_digitizer.md Co-authored-by: Ryan <fauxpark@gmail.com> * Update tmk_core/protocol/usb_descriptor.c Co-authored-by: Ryan <fauxpark@gmail.com> * Add missing copyrights Add V-USB support * Add support for digitizer dedicated endpoint for lufa and chibios. Fix formatting issues Move digitizer_task definition to the feature's base implementation file * Run cformat on modified files * Change digitizer report usage to Digitizer instead of Pen to avoid pointer disappearing on Windows. * Update tmk_core/protocol/vusb/vusb.c Co-authored-by: Ryan <fauxpark@gmail.com> * Run cformat from docker image * Remove send_digitizer from host_driver_t and instead rely on the declaration being the interface to the implementation in each HW-specific usb implementation. * Fix build : send_digitizer shouldn't be static in vusb and add weak-linkage implementation for tests without usb implementation * Change digitizer user interface to match pointing device's * Update documentation with new API Co-authored-by: a-chol <nothing@none.com> Co-authored-by: Ryan <fauxpark@gmail.com>
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18 changed files with 435 additions and 6 deletions
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@ -142,9 +142,7 @@ static void send_keyboard(report_keyboard_t *report);
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static void send_mouse(report_mouse_t *report);
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static void send_system(uint16_t data);
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static void send_consumer(uint16_t data);
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host_driver_t lufa_driver = {
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keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer,
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};
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host_driver_t lufa_driver = {keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer};
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#ifdef VIRTSER_ENABLE
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// clang-format off
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@ -525,6 +523,11 @@ void EVENT_USB_Device_ConfigurationChanged(void) {
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/* Setup joystick endpoint */
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ConfigSuccess &= Endpoint_ConfigureEndpoint((JOYSTICK_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, JOYSTICK_EPSIZE, 1);
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#endif
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#if defined(DIGITIZER_ENABLE) && !defined(DIGITIZER_SHARED_EP)
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/* Setup digitizer endpoint */
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ConfigSuccess &= Endpoint_ConfigureEndpoint((DIGITIZER_IN_EPNUM | ENDPOINT_DIR_IN), EP_TYPE_INTERRUPT, DIGITIZER_EPSIZE, 1);
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#endif
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}
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/* FIXME: Expose this table in the docs somehow
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@ -983,6 +986,23 @@ void virtser_send(const uint8_t byte) {
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}
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#endif
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void send_digitizer(report_digitizer_t *report) {
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#ifdef DIGITIZER_ENABLE
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uint8_t timeout = 255;
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if (USB_DeviceState != DEVICE_STATE_Configured) return;
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Endpoint_SelectEndpoint(DIGITIZER_IN_EPNUM);
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/* Check if write ready for a polling interval around 10ms */
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while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
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if (!Endpoint_IsReadWriteAllowed()) return;
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Endpoint_Write_Stream_LE(report, sizeof(report_digitizer_t), NULL);
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Endpoint_ClearIN();
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#endif
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}
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/*******************************************************************************
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* main
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******************************************************************************/
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