150 lines
4 KiB
C++
150 lines
4 KiB
C++
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/* Copyright (c) 2011, Peter Barrett
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**
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** Permission to use, copy, modify, and/or distribute this software for
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** any purpose with or without fee is hereby granted, provided that the
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** above copyright notice and this permission notice appear in all copies.
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**
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** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
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** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
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** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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** SOFTWARE.
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*/
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#include "HID.h"
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#define WEAK __attribute__ ((weak))
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#if defined(USBCON)
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#ifdef HID_ENABLED
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//================================================================================
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//================================================================================
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extern const u8 _hidReportDescriptor[] PROGMEM;
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const u8 _hidReportDescriptor[] = {
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// by default use the standard HID APIs
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#ifndef EXTERN_HID_REPORT
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#ifdef HID_KEYBOARD_LEDS_ENABLED
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HID_REPORT_KEYBOARD_LEDS(HID_REPORTID_KEYBOARD),
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#else
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HID_REPORT_KEYBOARD_KEYS(HID_REPORTID_KEYBOARD),
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#endif
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HID_REPORT_MOUSE(HID_REPORTID_MOUSE),
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HID_REPORT_MOUSE_ABSOLUTE(HID_REPORTID_MOUSE_ABSOLUTE),
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//HID_REPORT_RAWHID(HID_REPORTID_RAWHID),
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HID_REPORT_CONSUMERCONTROL(HID_REPORTID_CONSUMERCONTROL),
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HID_REPORT_SYSTEMCONTROL(HID_REPORTID_SYSTEMCONTROL),
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//TODO get Gamepad working with the other devices
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//HID_REPORT_GAMEPAD(HID_REPORTID_GAMEPAD),
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#else
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EXTERN_HID_REPORT
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#endif
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};
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extern const HIDDescriptor _hidInterface PROGMEM;
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const HIDDescriptor _hidInterface =
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{
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D_INTERFACE(HID_INTERFACE, 1, 3, 0, 0),
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D_HIDREPORT(sizeof(_hidReportDescriptor)),
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// edit by NicoHood
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D_ENDPOINT(USB_ENDPOINT_IN(HID_ENDPOINT_INT), USB_ENDPOINT_TYPE_INTERRUPT, USB_EP_SIZE, 0x01)
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};
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//================================================================================
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//================================================================================
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// Driver
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u8 _hid_protocol = 1;
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u8 _hid_idle = 1;
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int WEAK HID_GetInterface(u8* interfaceNum)
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{
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interfaceNum[0] += 1; // uses 1
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return USB_SendControl(TRANSFER_PGM, &_hidInterface, sizeof(_hidInterface));
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}
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int WEAK HID_GetDescriptor(int /* i */)
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{
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return USB_SendControl(TRANSFER_PGM, _hidReportDescriptor, sizeof(_hidReportDescriptor));
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}
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void WEAK HID_SendReport(u8 id, const void* data, int len)
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{
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USB_Send(HID_TX, &id, 1);
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USB_Send(HID_TX | TRANSFER_RELEASE, data, len);
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}
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bool WEAK HID_Setup(Setup& setup)
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{
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u8 r = setup.bRequest;
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u8 requestType = setup.bmRequestType;
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if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType)
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{
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if (HID_GET_REPORT == r)
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{
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//HID_GetReport();
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return true;
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}
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if (HID_GET_PROTOCOL == r)
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{
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//Send8(_hid_protocol); // TODO
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return true;
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}
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}
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if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
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{
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if (HID_SET_PROTOCOL == r)
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{
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_hid_protocol = setup.wValueL;
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return true;
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}
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if (HID_SET_IDLE == r)
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{
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_hid_idle = setup.wValueL;
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return true;
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}
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#if defined(HID_KEYBOARD_LEDS_ENABLED)
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if (HID_SET_REPORT == r)
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{
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//TODO check correct report ID (not needed for now, no other device has an out report)
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// maybe make this a general weak implementation to use it for RAW HID later?
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if (setup.wLength == 2)
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{
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// write led out report data
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uint8_t data[2];
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if (2 == USB_RecvControl(data, 2))
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HID_SetKeyboardLedReport(data[1]);
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}
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// else TODO check for other devices like RAW HID, not needed for now
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}
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#endif
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}
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return false;
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}
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#if defined(HID_KEYBOARD_LEDS_ENABLED)
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void WEAK HID_SetKeyboardLedReport(uint8_t leds){
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// weak function implemented by the Keyboard API
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// to not always create the Keyboard object, if it isn't used
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}
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#endif
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#endif
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#else /* if defined(USBCON) */
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void WEAK HID_SendReport(u8 id, const void* data, int len)
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{
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// empty to let the user use the HIDAPI for different use
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}
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#endif /* if defined(USBCON) */
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