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| -rw-r--r-- | libraries/HID/HID.cpp | 145 | ||||
| -rw-r--r-- | libraries/HID/HID.h | 83 |
2 files changed, 228 insertions, 0 deletions
diff --git a/libraries/HID/HID.cpp b/libraries/HID/HID.cpp new file mode 100644 index 0000000..bd7d25c --- /dev/null +++ b/libraries/HID/HID.cpp @@ -0,0 +1,145 @@ +/* Copyright (c) 2015, Arduino LLC +** +** Original code (pre-library): Copyright (c) 2011, Peter Barrett +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#include "PluggableUSB.h" +#include "HID.h" + +#if defined(USBCON) + +//#define RAWHID_ENABLED + +HID_ HID; + +static u8 HID_ENDPOINT_INT; + +//================================================================================ +//================================================================================ + +// HID report descriptor + +#define LSB(_x) ((_x) & 0xFF) +#define MSB(_x) ((_x) >> 8) + +#define RAWHID_USAGE_PAGE 0xFFC0 +#define RAWHID_USAGE 0x0C00 +#define RAWHID_TX_SIZE 64 +#define RAWHID_RX_SIZE 64 + +static u8 HID_INTERFACE; + +HIDDescriptor _hidInterface; + +//================================================================================ +//================================================================================ +// Driver + +u8 _hid_protocol = 1; +u8 _hid_idle = 1; + +int8_t WEAK HID_GetInterface(u8* interfaceNum) +{ + interfaceNum[0] += 1; // uses 1 + return USB_SendControl(0,&_hidInterface,sizeof(_hidInterface)); +} + +int8_t WEAK HID_GetDescriptor(int8_t t) +{ + if (HID_REPORT_DESCRIPTOR_TYPE == t) { + return USB_SendControl(TRANSFER_PGM,_hidReportDescriptor,getsizeof_hidReportDescriptor()); + } else { + return 0; + } +} + +void WEAK HID_SendReport(u8 id, const void* data, int len) +{ + USB_Send(HID_TX, &id, 1); + USB_Send(HID_TX | TRANSFER_RELEASE,data,len); +} + +bool WEAK HID_Setup(Setup& setup, u8 i) +{ + if (HID_INTERFACE != i) { + return false; + } else { + u8 r = setup.bRequest; + u8 requestType = setup.bmRequestType; + if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType) + { + if (HID_GET_REPORT == r) + { + //HID_GetReport(); + return true; + } + if (HID_GET_PROTOCOL == r) + { + //Send8(_hid_protocol); // TODO + return true; + } + } + + if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType) + { + if (HID_SET_PROTOCOL == r) + { + _hid_protocol = setup.wValueL; + return true; + } + + if (HID_SET_IDLE == r) + { + _hid_idle = setup.wValueL; + return true; + } + } + return false; + } +} + +HID_::HID_(void) +{ + static uint8_t endpointType[1]; + + endpointType[0] = EP_TYPE_INTERRUPT_IN; + + static PUSBCallbacks cb = { + .setup = &HID_Setup, + .getInterface = &HID_GetInterface, + .getDescriptor = &HID_GetDescriptor, + .numEndpoints = 1, + .numInterfaces = 1, + .endpointType = endpointType, + }; + + static PUSBListNode node(&cb); + + HID_ENDPOINT_INT = PUSB_AddFunction(&node, &HID_INTERFACE); + + _hidInterface = + { + D_INTERFACE(HID_INTERFACE,1,3,0,0), + D_HIDREPORT(getsizeof_hidReportDescriptor()), + D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,0x40,0x01) + }; +} + +int HID_::begin(void) +{ +} + +#endif /* if defined(USBCON) */ diff --git a/libraries/HID/HID.h b/libraries/HID/HID.h new file mode 100644 index 0000000..a75774f --- /dev/null +++ b/libraries/HID/HID.h @@ -0,0 +1,83 @@ +/* + HID.h + + Copyright (c) 2015, Arduino LLC + Original code (pre-library): Copyright (c) 2011, Peter Barrett + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef HID_h +#define HID_h + +#include <stdint.h> +#include <Arduino.h> + +#if defined(USBCON) + +//================================================================================ +//================================================================================ +// HID 'Driver' + +class HID_ +{ +public: + HID_(void); + int begin(void); +}; + +int8_t HID_Plug(void); +int8_t HID_GetInterface(u8* interfaceNum); +int8_t HID_GetDescriptor(int8_t t); +bool HID_Setup(Setup& setup, u8 i); +void HID_SendReport(uint8_t id, const void* data, int len); + +extern HID_ HID; + +typedef struct +{ + u8 len; // 9 + u8 dtype; // 0x21 + u8 addr; + u8 versionL; // 0x101 + u8 versionH; // 0x101 + u8 country; + u8 desctype; // 0x22 report + u8 descLenL; + u8 descLenH; +} HIDDescDescriptor; + +typedef struct +{ + InterfaceDescriptor hid; + HIDDescDescriptor desc; + EndpointDescriptor in; +} HIDDescriptor; + +#define HID_TX HID_ENDPOINT_INT + +#define D_HIDREPORT(_descriptorLength) \ + { 9, 0x21, 0x1, 0x1, 0, 1, 0x22, _descriptorLength, 0 } + +extern const u8 _hidReportDescriptor[] PROGMEM; + +// MUST be declared by the module +size_t getsizeof_hidReportDescriptor(); + +#define WEAK __attribute__ ((weak)) + +#endif + +#endif
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