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/*
* This file is part of the pastilda project.
* hosted at http://github.com/thirdpin/pastilda
*
* Copyright (C) 2016 Third Pin LLC
*
* Written by:
* Anastasiia Lazareva <a.lazareva@thirdpin.ru>
* Dmitrii Lisin <mrlisdim@ya.ru>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef USB_COMPOSITE_DESCRIPTORS
#define USB_COMPOSITE_DESCRIPTORS
extern "C"
{
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/hid.h>
#include <libopencm3/usb/msc.h>
}
typedef enum {
I_KEYBOARD = 0,
I_MASS_STORAGE = 1
} Interface;
typedef enum : uint8_t {
E_KEYBOARD = 0x81,
E_MASS_STORAGE_IN = 0x83,
E_MASS_STORAGE_OUT = 0x03
} Endpoint;
typedef enum {
GET_REPORT = 1,
GET_IDLE = 2,
GET_PROTOCOL = 3,
SET_REPORT = 9,
SET_IDLE = 10,
SET_PROTOCOL = 11,
} HidRequest;
class UsbCompositeDescriptors
{
public:
static constexpr uint8_t keyboard_report_descriptor[] =
{
0x05, 0x01, 0x09, 0x06, 0xA1, 0x01, 0x05, 0x07, 0x19, 0xE0, 0x29, 0xE7, 0x15, 0x00, 0x25, 0x01,
0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08, 0x81, 0x01, 0x95, 0x03, 0x75, 0x01,
0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, 0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06,
0x75, 0x08, 0x15, 0x00, 0x26, 0xFF, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2A, 0xFF, 0x00, 0x81, 0x00,
0xC0
};
static constexpr char usb_strings[][30] =
{
"Third pin",
"Composite Device",
"Pastilda"
};
static constexpr struct usb_device_descriptor dev =
{
USB_DT_DEVICE_SIZE,
USB_DT_DEVICE,
0x0110,
0x0,
0x00, 0x00, 64,
0x0483, 0x5741, 0x0200,
1, 2, 3, 1
};
typedef struct __attribute__((packed))
{
struct usb_hid_descriptor hid_descriptor;
struct
{
uint8_t bReportDescriptorType;
uint16_t wDescriptorLength;
} __attribute__((packed)) hid_report;
} type_hid_function;
static constexpr type_hid_function keyboard_hid_function =
{
{
9,
USB_DT_HID,
0x0111, 0, 1
},
{
USB_DT_REPORT,
sizeof(keyboard_report_descriptor)
}
};
static constexpr struct usb_endpoint_descriptor hid_endpoint =
{
USB_DT_ENDPOINT_SIZE,
USB_DT_ENDPOINT, Endpoint::E_KEYBOARD,
USB_ENDPOINT_ATTR_INTERRUPT,
64, 0x10
};
static constexpr struct usb_endpoint_descriptor msc_endpoint[] =
{
{
USB_DT_ENDPOINT_SIZE,
USB_DT_ENDPOINT,
Endpoint::E_MASS_STORAGE_IN, USB_ENDPOINT_ATTR_BULK,
64, 0
},
{
USB_DT_ENDPOINT_SIZE,
USB_DT_ENDPOINT,
Endpoint::E_MASS_STORAGE_OUT, USB_ENDPOINT_ATTR_BULK,
64, 0
}
};
static constexpr struct usb_interface_descriptor iface[] =
{
{
USB_DT_INTERFACE_SIZE,
USB_DT_INTERFACE,
Interface::I_KEYBOARD, 0, 1,
USB_CLASS_HID,
1, 1, 0,
&hid_endpoint, &keyboard_hid_function,
sizeof(keyboard_hid_function)
},
{
USB_DT_INTERFACE_SIZE,
USB_DT_INTERFACE,
Interface::I_MASS_STORAGE, 0, 2,
USB_CLASS_MSC,
USB_MSC_SUBCLASS_SCSI, USB_MSC_PROTOCOL_BBB, 0x00,
msc_endpoint, 0, 0
},
};
//array
static constexpr struct usb_config_descriptor::usb_interface ifaces[]
{
{
(uint8_t *)0,
1,
(usb_iface_assoc_descriptor*)0,
&iface[Interface::I_KEYBOARD]
},
{
(uint8_t *)0,
1,
(usb_iface_assoc_descriptor*)0,
&iface[Interface::I_MASS_STORAGE]
},
};
static constexpr struct usb_config_descriptor config_descr =
{
USB_DT_CONFIGURATION_SIZE,
USB_DT_CONFIGURATION,
0,
2, 1, 0, 0x80, 0x50,
ifaces
};
UsbCompositeDescriptors() {}
};
#endif
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