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esp32-s2_dfu/tinyusb/class/hid.c

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/*
* hid.c
*
* Created on: Nov 27, 2012
* Author: hathach
*/
/*
* Software License Agreement (BSD License)
* Copyright (c) 2013, hathach (tinyusb.net)
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the tinyUSB stack.
*/
#include "hid.h"
#if defined DEVICE_CLASS_HID && defined TUSB_CFG_DEVICE
#ifdef TUSB_CFG_DEVICE_HID_KEYBOARD
tusb_keyboard_report_t hid_keyboard_report;
static volatile bool bKeyChanged = false;
#endif
#ifdef TUSB_CFG_DEVICE_HID_MOUSE
tusb_mouse_report_t hid_mouse_report;
static volatile bool bMouseChanged = false;
#endif
/**************************************************************************/
/*!
@brief Handler for HID_GetReport in the USB ROM driver
*/
/**************************************************************************/
ErrorCode_t HID_GetReport( USBD_HANDLE_T hHid, USB_SETUP_PACKET* pSetup, uint8_t** pBuffer, uint16_t* plength)
{
USB_HID_CTRL_T* pHidCtrl = (USB_HID_CTRL_T*) hHid;
/* ReportID = SetupPacket.wValue.WB.L; */
if (pSetup->wValue.WB.H == HID_REPORT_INPUT)
return (ERR_USBD_STALL); /* Not Supported */
switch (pHidCtrl->protocol)
{
#ifdef TUSB_CFG_DEVICE_HID_KEYBOARD
case HID_PROTOCOL_KEYBOARD:
*pBuffer = (uint8_t*) &hid_keyboard_report;
*plength = sizeof(tusb_keyboard_report_t);
if (!bKeyChanged)
{
memset(pBuffer, 0, *plength);
}
bKeyChanged = false;
break;
#endif
#ifdef TUSB_CFG_DEVICE_HID_MOUSE
case HID_PROTOCOL_MOUSE:
*pBuffer = (uint8_t*) &hid_mouse_report;
*plength = sizeof(tusb_mouse_report_t);
if (!bMouseChanged)
{
memset(pBuffer, 0, *plength);
}
bMouseChanged = false;
break;
#endif
default:
break;
}
return (LPC_OK);
}
/**************************************************************************/
/*!
@brief Handler for HIS_SetReport in the USB ROM driver
*/
/**************************************************************************/
ErrorCode_t HID_SetReport( USBD_HANDLE_T hHid, USB_SETUP_PACKET* pSetup, uint8_t** pBuffer, uint16_t length)
{
/* we will reuse standard EP0Buf */
if (length == 0)
return LPC_OK;
/* ReportID = SetupPacket.wValue.WB.L; */
if (pSetup->wValue.WB.H != HID_REPORT_OUTPUT)
return (ERR_USBD_STALL); /* Not Supported */
return (LPC_OK);
}
/**************************************************************************/
/*!
@brief HID endpoint in handler for the USB ROM driver
*/
/**************************************************************************/
ErrorCode_t HID_EpIn_Hdlr (USBD_HANDLE_T hUsb, void* data, uint32_t event)
{
if (USB_EVT_IN == event)
{
USB_HID_CTRL_T* pHidCtrl = (USB_HID_CTRL_T*)data;
switch(pHidCtrl->protocol)
{
#ifdef TUSB_CFG_DEVICE_HID_KEYBOARD
case HID_PROTOCOL_KEYBOARD:
if (!bKeyChanged)
{
memset(&hid_keyboard_report, 0, sizeof(tusb_keyboard_report_t));
}
USBD_API->hw->WriteEP(hUsb, pHidCtrl->epin_adr, (uint8_t*) &hid_keyboard_report, sizeof(tusb_keyboard_report_t));
bKeyChanged = false;
break;
#endif
#ifdef TUSB_CFG_DEVICE_HID_MOUSE
case HID_PROTOCOL_MOUSE:
if (!bMouseChanged)
{
memset(&hid_mouse_report, 0, sizeof(tusb_mouse_report_t));
}
USBD_API->hw->WriteEP(hUsb, pHidCtrl->epin_adr, (uint8_t*) &hid_mouse_report, sizeof(tusb_mouse_report_t));
bMouseChanged = false;
break;
#endif
default:
break;
}
}
return LPC_OK;
}
/**************************************************************************/
/*!
@brief HID endpoint out handler for the USB ROM driver
*/
/**************************************************************************/
ErrorCode_t HID_EpOut_Hdlr (USBD_HANDLE_T hUsb, void* data, uint32_t event)
{
if (USB_EVT_OUT == event)
{
// not used yet
// uint8_t outreport[8];
// USB_HID_CTRL_T* pHidCtrl = (USB_HID_CTRL_T*)data;
// USBD_API->hw->ReadEP(hUsb, pHidCtrl->epout_adr, outreport);
}
return LPC_OK;
}
/**************************************************************************/
/*!
@brief Initialises USB HID using the ROM based drivers
*/
/**************************************************************************/
tusb_error_t tusb_hid_init(USBD_HANDLE_T hUsb, USB_INTERFACE_DESCRIPTOR const *const pIntfDesc, uint8_t const * const pHIDReportDesc, uint32_t ReportDescLength, uint32_t* mem_base, uint32_t* mem_size)
{
USB_HID_REPORT_T reports_data =
{
.desc = (uint8_t*) pHIDReportDesc,
.len = ReportDescLength,
.idle_time = 0,
};
USBD_HID_INIT_PARAM_T hid_param =
{
.mem_base = *mem_base,
.mem_size = *mem_size,
.intf_desc = (uint8_t*)pIntfDesc,
.report_data = &reports_data,
.max_reports = 1,
/* user defined functions */
.HID_GetReport = HID_GetReport,
.HID_SetReport = HID_SetReport,
.HID_EpIn_Hdlr = HID_EpIn_Hdlr,
.HID_EpOut_Hdlr = HID_EpOut_Hdlr
};
ASSERT( (pIntfDesc != NULL) && (pIntfDesc->bInterfaceClass == USB_DEVICE_CLASS_HUMAN_INTERFACE), ERR_FAILED);
ASSERT( LPC_OK == USBD_API->hid->init(hUsb, &hid_param), TUSB_ERROR_FAILED );
/* update memory variables */
*mem_base += (*mem_size - hid_param.mem_size);
*mem_size = hid_param.mem_size;
return TUSB_ERROR_NONE;
}
/**************************************************************************/
/*!
*/
/**************************************************************************/
tusb_error_t tusb_hid_configured(USBD_HANDLE_T hUsb)
{
#ifdef TUSB_CFG_DEVICE_HID_KEYBOARD
USBD_API->hw->WriteEP(hUsb , HID_KEYBOARD_EP_IN , (uint8_t* ) &hid_keyboard_report , sizeof(tusb_keyboard_report_t) ); // initial packet for IN endpoint , will not work if omitted
#endif
#ifdef TUSB_CFG_DEVICE_HID_MOUSE
USBD_API->hw->WriteEP(hUsb , HID_MOUSE_EP_IN , (uint8_t* ) &hid_mouse_report , sizeof(tusb_mouse_report_t) ); // initial packet for IN endpoint, will not work if omitted
#endif
return TUSB_ERROR_NONE;
}
#ifdef TUSB_CFG_DEVICE_HID_KEYBOARD
/**************************************************************************/
/*!
@brief Send the supplied key codes out via HID USB keyboard emulation
@param[in] modifier
KB modifier code bits (see USB_HID_KB_KEYMODIFIER_CODE)
@param[in] keycodes
A buffer containing up to six keycodes
@param[in] numkey
The number of keys to send (max 6)
@note Note that for HID KBs, letter codes are not case sensitive. To
create an upper-case letter, you need to include the correct
KB modifier code(s), for ex: (1 << HID_KEYMODIFIER_LEFTSHIFT)
@section EXAMPLE
@code
// Send an unmodified 'a' character
if (usb_isConfigured())
{
uint8_t keys[6] = {HID_USAGE_KEYBOARD_aA};
tusb_hid_keyboard_sendKeys(0x00, keys, 1);
}
// Send Windows + 'e' (shortcut for 'explorer.exe')
if (usb_isConfigured())
{
uint8_t keys[6] = {HID_USAGE_KEYBOARD_aA + 'e' - 'a'};
tusb_hid_keyboard_sendKeys((1<<HID_KEYMODIFIER_LEFTGUI), keys, 1);
}
@endcode
*/
/**************************************************************************/
tusb_error_t tusb_hid_keyboard_sendKeys(uint8_t modifier, uint8_t keycodes[], uint8_t numkey)
{
// uint32_t start_time = systickGetSecondsActive();
// while (bKeyChanged) // TODO blocking while previous key has yet sent - can use fifo to improve this
// {
// ASSERT_MESSAGE(systickGetSecondsActive() - start_time < 5, ERR_FAILED, "HID Keyboard Timeout");
// }
if (bKeyChanged)
{
return TUSB_ERROR_FAILED;
}
ASSERT(keycodes && numkey && numkey <=6, ERR_FAILED);
hid_keyboard_report.modifier = modifier;
memset(hid_keyboard_report.keycode, 0, 6);
memcpy(hid_keyboard_report.keycode, keycodes, numkey);
bKeyChanged = true;
return TUSB_ERROR_NONE;
}
#endif
#ifdef TUSB_CFG_DEVICE_HID_MOUSE
/**************************************************************************/
/*!
@brief Send the supplied mouse event out via HID USB mouse emulation
@param[in] buttons
Indicate which button(s) are being pressed (see
USB_HID_MOUSE_BUTTON_CODE)
@param[in] x
Position adjustment on the x scale
@param[in] y
Position adjustment on the y scale
@section EXAMPLE
@code
if (usb_isConfigured())
{
// Move the mouse +10 in the x direction and + 10 in the y direction
tusb_hid_mouse_send(0x00, 10, 10);
}
@endcode
*/
/**************************************************************************/
tusb_error_t tusb_hid_mouse_send(uint8_t buttons, int8_t x, int8_t y)
{
// uint32_t start_time = systickGetSecondsActive();
// while (bMouseChanged) // TODO Block while previous key hasn't been sent - can use fifo to improve this
// {
// ASSERT_MESSAGE(systickGetSecondsActive() - start_time < 5, ERR_FAILED, "HID Mouse Timeout");
// }
if (bMouseChanged)
{
return TUSB_ERROR_FAILED;
}
hid_mouse_report.buttons = buttons;
hid_mouse_report.x = x;
hid_mouse_report.y = y;
bMouseChanged = true;
return TUSB_ERROR_NONE;
}
#endif
#endif
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