149 lines
3.8 KiB
C
149 lines
3.8 KiB
C
/*
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* Copyright (C) 2018 SoloKeys, Inc. <https://solokeys.com/>
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*
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* This file is part of Solo.
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*
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* Solo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Solo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Solo. If not, see <https://www.gnu.org/licenses/>
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*
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* This code is available under licenses for commercial use.
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* Please contact SoloKeys for more information.
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*/
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#include <SI_EFM8UB1_Register_Enums.h>
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#include <efm8_usb.h>
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#include <stdio.h>
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#include "printing.h"
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#include "descriptors.h"
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#include "app.h"
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#define UNUSED(expr) do { (void)(expr); } while (0)
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#define HID_INTERFACE_INDEX 0
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uint8_t tmpBuffer;
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void USBD_ResetCb(void) {
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// cprints("USBD_ResetCb\r\n");
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// u2f_print_ev("USBD_ResetCb\r\n");
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}
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void USBD_DeviceStateChangeCb(USBD_State_TypeDef oldState,
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USBD_State_TypeDef newState) {
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// cprints("USBD_DeviceStateChangeCb\r\n");
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UNUSED(oldState);
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UNUSED(newState);
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// u2f_print_ev("USBD_DeviceStateChangeCb\r\n");
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}
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bool USBD_IsSelfPoweredCb(void) {
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// cprints("USBD_IsSelfPoweredCb\r\n");
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return false;
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}
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// Necessary routine for USB HID
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USB_Status_TypeDef USBD_SetupCmdCb(
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SI_VARIABLE_SEGMENT_POINTER(setup, USB_Setup_TypeDef, MEM_MODEL_SEG)) {
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USB_Status_TypeDef retVal = USB_STATUS_REQ_UNHANDLED;
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if ((setup->bmRequestType.Type == USB_SETUP_TYPE_STANDARD)
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&& (setup->bmRequestType.Direction == USB_SETUP_DIR_IN)
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&& (setup->bmRequestType.Recipient == USB_SETUP_RECIPIENT_INTERFACE)) {
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// A HID device must extend the standard GET_DESCRIPTOR command
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// with support for HID descriptors.
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switch (setup->bRequest) {
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case GET_DESCRIPTOR:
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if (setup->wIndex == 0)
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{
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if ((setup->wValue >> 8) == USB_HID_REPORT_DESCRIPTOR) {
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USBD_Write(EP0, ReportDescriptor0,
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EFM8_MIN(sizeof(ReportDescriptor0), setup->wLength),
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false);
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retVal = USB_STATUS_OK;
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} else if ((setup->wValue >> 8) == USB_HID_DESCRIPTOR) {
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USBD_Write(EP0, (&configDesc[18]),
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EFM8_MIN(USB_HID_DESCSIZE, setup->wLength), false);
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retVal = USB_STATUS_OK;
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}
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}
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break;
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}
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}
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else if ((setup->bmRequestType.Type == USB_SETUP_TYPE_CLASS)
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&& (setup->bmRequestType.Recipient == USB_SETUP_RECIPIENT_INTERFACE)
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&& (setup->wIndex == HID_INTERFACE_INDEX))
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{
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// Implement the necessary HID class specific commands.
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switch (setup->bRequest)
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{
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case USB_HID_SET_IDLE:
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if (((setup->wValue & 0xFF) == 0) // Report ID
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&& (setup->wLength == 0)
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&& (setup->bmRequestType.Direction != USB_SETUP_DIR_IN))
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{
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retVal = USB_STATUS_OK;
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}
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break;
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case USB_HID_GET_IDLE:
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if ((setup->wValue == 0) // Report ID
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&& (setup->wLength == 1)
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&& (setup->bmRequestType.Direction == USB_SETUP_DIR_IN))
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{
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tmpBuffer = 24;
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USBD_Write(EP0, &tmpBuffer, 1, false);
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retVal = USB_STATUS_OK;
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}
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break;
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default:
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break;
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}
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}
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return retVal;
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}
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uint16_t USBD_XferCompleteCb(uint8_t epAddr, USB_Status_TypeDef status,
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uint16_t xferred, uint16_t remaining ) {
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UNUSED(status);
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UNUSED(xferred);
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UNUSED(remaining);
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if (epAddr == INPUT_ENDPOINT)
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{
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usb_transfer_complete();
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}
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else if (epAddr == OUTPUT_ENDPOINT)
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{
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usb_writeback_complete();
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}
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return 0;
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}
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