mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-12-05 13:24:11 +01:00
172 lines
6.4 KiB
C
172 lines
6.4 KiB
C
/**
|
|
******************************************************************************
|
|
* @addtogroup PIOS PIOS Core hardware abstraction layer
|
|
* @{
|
|
* @addtogroup PIOS_USB_DESC USB Descriptor definitions
|
|
* @brief USB Descriptor definitions for HID only
|
|
* @{
|
|
*
|
|
* @file pios_usb_desc_hid_only.c
|
|
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
|
|
* @brief USB Descriptor definitions for HID only
|
|
* @see The GNU Public License (GPL) Version 3
|
|
*
|
|
*****************************************************************************/
|
|
/*
|
|
* 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, write to the Free Software Foundation, Inc.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "pios.h"
|
|
|
|
#ifdef PIOS_INCLUDE_USB
|
|
|
|
#include "pios_usb_desc_hid_only_priv.h" /* exported API */
|
|
#include "pios_usb_defs.h" /* struct usb_*, USB_* */
|
|
#include "pios_usb_board_data.h" /* PIOS_USB_BOARD_* */
|
|
#include "pios_usbhook.h" /* PIOS_USBHOOK_Register* */
|
|
#include "pios_usb_hid.h" /* PIOS_USB_HID_Register* */
|
|
|
|
static const struct usb_device_desc device_desc = {
|
|
.bLength = sizeof(struct usb_device_desc),
|
|
.bDescriptorType = USB_DESC_TYPE_DEVICE,
|
|
.bcdUSB = htousbs(0x0200),
|
|
.bDeviceClass = 0x00,
|
|
.bDeviceSubClass = 0x00,
|
|
.bDeviceProtocol = 0x00,
|
|
.bMaxPacketSize0 = 64, /* Must be 64 for high-speed devices */
|
|
.idVendor = htousbs(USB_VENDOR_ID_OPENPILOT),
|
|
.idProduct = htousbs(PIOS_USB_BOARD_PRODUCT_ID),
|
|
.bcdDevice = htousbs(PIOS_USB_BOARD_DEVICE_VER),
|
|
.iManufacturer = 1,
|
|
.iProduct = 2,
|
|
.iSerialNumber = 3,
|
|
.bNumConfigurations = 1,
|
|
};
|
|
|
|
static const uint8_t hid_report_desc[36] = {
|
|
HID_GLOBAL_ITEM_2 (HID_TAG_GLOBAL_USAGE_PAGE),
|
|
0x9C, 0xFF, /* Usage Page 0xFF9C (Vendor Defined) */
|
|
HID_LOCAL_ITEM_1 (HID_TAG_LOCAL_USAGE),
|
|
0x01, /* Usage ID 0x0001 (0x01-0x1F uaually for top-level collections) */
|
|
|
|
HID_MAIN_ITEM_1 (HID_TAG_MAIN_COLLECTION),
|
|
0x01, /* Application */
|
|
|
|
/* Device -> Host emulated serial channel */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_REPORT_ID),
|
|
0x01, /* OpenPilot emulated serial channel (Device -> Host) */
|
|
HID_LOCAL_ITEM_1 (HID_TAG_LOCAL_USAGE),
|
|
0x02,
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_LOGICAL_MIN),
|
|
0x00, /* Values range from min = 0x00 */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_LOGICAL_MAX),
|
|
0xFF, /* Values range to max = 0xFF */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_REPORT_SIZE),
|
|
0x08, /* 8 bits wide */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_REPORT_CNT),
|
|
PIOS_USB_BOARD_HID_DATA_LENGTH-1, /* Need to leave room for a report ID */
|
|
HID_MAIN_ITEM_1 (HID_TAG_MAIN_INPUT),
|
|
0x03, /* Variable, Constant (read-only) */
|
|
|
|
/* Host -> Device emulated serial channel */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_REPORT_ID),
|
|
0x02, /* OpenPilot emulated Serial Channel (Host -> Device) */
|
|
HID_LOCAL_ITEM_1 (HID_TAG_LOCAL_USAGE),
|
|
0x02,
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_LOGICAL_MIN),
|
|
0x00, /* Values range from min = 0x00 */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_LOGICAL_MAX),
|
|
0xFF, /* Values range to max = 0xFF */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_REPORT_SIZE),
|
|
0x08, /* 8 bits wide */
|
|
HID_GLOBAL_ITEM_1 (HID_TAG_GLOBAL_REPORT_CNT),
|
|
PIOS_USB_BOARD_HID_DATA_LENGTH-1, /* Need to leave room for a report ID */
|
|
HID_MAIN_ITEM_1 (HID_TAG_MAIN_OUTPUT),
|
|
0x82, /* Volatile, Variable */
|
|
|
|
HID_MAIN_ITEM_0 (HID_TAG_MAIN_ENDCOLLECTION),
|
|
};
|
|
|
|
struct usb_config_hid_only {
|
|
struct usb_configuration_desc config;
|
|
struct usb_interface_desc hid_if;
|
|
struct usb_hid_desc hid;
|
|
struct usb_endpoint_desc hid_in;
|
|
struct usb_endpoint_desc hid_out;
|
|
} __attribute__((packed));
|
|
|
|
const struct usb_config_hid_only config_hid_only = {
|
|
.config = {
|
|
.bLength = sizeof(struct usb_configuration_desc),
|
|
.bDescriptorType = USB_DESC_TYPE_CONFIGURATION,
|
|
.wTotalLength = htousbs(sizeof(struct usb_config_hid_only)),
|
|
.bNumInterfaces = 1,
|
|
.bConfigurationValue = 1,
|
|
.iConfiguration = 0,
|
|
.bmAttributes = 0xC0,
|
|
.bMaxPower = 250/2, /* in units of 2ma */
|
|
},
|
|
.hid_if = {
|
|
.bLength = sizeof(struct usb_interface_desc),
|
|
.bDescriptorType = USB_DESC_TYPE_INTERFACE,
|
|
.bInterfaceNumber = 0,
|
|
.bAlternateSetting = 0,
|
|
.bNumEndpoints = 2,
|
|
.bInterfaceClass = USB_INTERFACE_CLASS_HID,
|
|
.bInterfaceSubClass = 0, /* no boot */
|
|
.nInterfaceProtocol = 0, /* none */
|
|
.iInterface = 0,
|
|
},
|
|
.hid = {
|
|
.bLength = sizeof(struct usb_hid_desc),
|
|
.bDescriptorType = USB_DESC_TYPE_HID,
|
|
.bcdHID = htousbs(0x0110),
|
|
.bCountryCode = 0,
|
|
.bNumDescriptors = 1,
|
|
.bClassDescriptorType = USB_DESC_TYPE_REPORT,
|
|
.wItemLength = htousbs(sizeof(hid_report_desc)),
|
|
},
|
|
.hid_in = {
|
|
.bLength = sizeof(struct usb_endpoint_desc),
|
|
.bDescriptorType = USB_DESC_TYPE_ENDPOINT,
|
|
.bEndpointAddress = USB_EP_IN(1),
|
|
.bmAttributes = USB_EP_ATTR_TT_INTERRUPT,
|
|
.wMaxPacketSize = htousbs(PIOS_USB_BOARD_HID_DATA_LENGTH),
|
|
.bInterval = 4, /* ms */
|
|
},
|
|
.hid_out = {
|
|
.bLength = sizeof(struct usb_endpoint_desc),
|
|
.bDescriptorType = USB_DESC_TYPE_ENDPOINT,
|
|
.bEndpointAddress = USB_EP_OUT(1),
|
|
.bmAttributes = USB_EP_ATTR_TT_INTERRUPT,
|
|
.wMaxPacketSize = htousbs(PIOS_USB_BOARD_HID_DATA_LENGTH),
|
|
.bInterval = 4, /* ms */
|
|
},
|
|
};
|
|
|
|
int32_t PIOS_USB_DESC_HID_ONLY_Init(void)
|
|
{
|
|
PIOS_USBHOOK_RegisterConfig(1, (uint8_t *)&config_hid_only, sizeof(config_hid_only));
|
|
|
|
PIOS_USBHOOK_RegisterDevice((uint8_t *)&device_desc, sizeof(device_desc));
|
|
|
|
PIOS_USB_HID_RegisterHidDescriptor((uint8_t *)&(config_hid_only.hid), sizeof(config_hid_only.hid));
|
|
PIOS_USB_HID_RegisterHidReport((uint8_t *)hid_report_desc, sizeof(hid_report_desc));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* PIOS_INCLUDE_USB */
|