145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2016, Conor Patrick
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
#include <SI_EFM8UB1_Register_Enums.h>
|
|
#include <efm8_usb.h>
|
|
#include <stdio.h>
|
|
#include "printing.h"
|
|
#include "descriptors.h"
|
|
|
|
#define UNUSED(expr) do { (void)(expr); } while (0)
|
|
|
|
#define HID_INTERFACE_INDEX 0
|
|
|
|
uint8_t tmpBuffer;
|
|
|
|
|
|
|
|
void USBD_ResetCb(void) {
|
|
// u2f_print_ev("USBD_ResetCb\r\n");
|
|
}
|
|
|
|
|
|
void USBD_DeviceStateChangeCb(USBD_State_TypeDef oldState,
|
|
USBD_State_TypeDef newState) {
|
|
|
|
UNUSED(oldState);
|
|
UNUSED(newState);
|
|
|
|
// u2f_print_ev("USBD_DeviceStateChangeCb\r\n");
|
|
}
|
|
|
|
bool USBD_IsSelfPoweredCb(void) {
|
|
return false;
|
|
}
|
|
|
|
// Necessary routine for USB HID
|
|
USB_Status_TypeDef USBD_SetupCmdCb(
|
|
SI_VARIABLE_SEGMENT_POINTER(setup, USB_Setup_TypeDef, MEM_MODEL_SEG)) {
|
|
|
|
USB_Status_TypeDef retVal = USB_STATUS_REQ_UNHANDLED;
|
|
|
|
|
|
if ((setup->bmRequestType.Type == USB_SETUP_TYPE_STANDARD)
|
|
&& (setup->bmRequestType.Direction == USB_SETUP_DIR_IN)
|
|
&& (setup->bmRequestType.Recipient == USB_SETUP_RECIPIENT_INTERFACE)) {
|
|
// A HID device must extend the standard GET_DESCRIPTOR command
|
|
// with support for HID descriptors.
|
|
|
|
switch (setup->bRequest) {
|
|
case GET_DESCRIPTOR:
|
|
if (setup->wIndex == 0)
|
|
{
|
|
if ((setup->wValue >> 8) == USB_HID_REPORT_DESCRIPTOR) {
|
|
|
|
USBD_Write(EP0, ReportDescriptor0,
|
|
EFM8_MIN(sizeof(ReportDescriptor0), setup->wLength),
|
|
false);
|
|
retVal = USB_STATUS_OK;
|
|
|
|
} else if ((setup->wValue >> 8) == USB_HID_DESCRIPTOR) {
|
|
|
|
USBD_Write(EP0, (&configDesc[18]),
|
|
EFM8_MIN(USB_HID_DESCSIZE, setup->wLength), false);
|
|
retVal = USB_STATUS_OK;
|
|
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else if ((setup->bmRequestType.Type == USB_SETUP_TYPE_CLASS)
|
|
&& (setup->bmRequestType.Recipient == USB_SETUP_RECIPIENT_INTERFACE)
|
|
&& (setup->wIndex == HID_INTERFACE_INDEX))
|
|
{
|
|
// Implement the necessary HID class specific commands.
|
|
switch (setup->bRequest)
|
|
{
|
|
case USB_HID_SET_IDLE:
|
|
if (((setup->wValue & 0xFF) == 0) // Report ID
|
|
&& (setup->wLength == 0)
|
|
&& (setup->bmRequestType.Direction != USB_SETUP_DIR_IN))
|
|
{
|
|
retVal = USB_STATUS_OK;
|
|
}
|
|
break;
|
|
|
|
case USB_HID_GET_IDLE:
|
|
if ((setup->wValue == 0) // Report ID
|
|
&& (setup->wLength == 1)
|
|
&& (setup->bmRequestType.Direction == USB_SETUP_DIR_IN))
|
|
{
|
|
tmpBuffer = 24;
|
|
USBD_Write(EP0, &tmpBuffer, 1, false);
|
|
retVal = USB_STATUS_OK;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return retVal;
|
|
}
|
|
|
|
|
|
|
|
|
|
uint16_t USBD_XferCompleteCb(uint8_t epAddr, USB_Status_TypeDef status,
|
|
uint16_t xferred, uint16_t remaining ) {
|
|
|
|
UNUSED(status);
|
|
UNUSED(xferred);
|
|
UNUSED(remaining);
|
|
|
|
if (epAddr == EP1OUT)
|
|
{
|
|
usb_transfer_complete();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|