241 lines
9 KiB
C
241 lines
9 KiB
C
|
/*
|
||
|
|
LUFA Library
|
||
|
|
Copyright (C) Dean Camera, 2019.
|
||
|
|
|
||
|
|
dean [at] fourwalledcubicle [dot] com
|
||
|
|
www.lufa-lib.org
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright 2019 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||
|
|
|
||
|
|
Permission to use, copy, modify, distribute, and sell this
|
||
|
|
software and its documentation for any purpose is hereby granted
|
||
|
|
without fee, provided that the above copyright notice appear in
|
||
|
|
all copies and that both that the copyright notice and this
|
||
|
|
permission notice and warranty disclaimer appear in supporting
|
||
|
|
documentation, and that the name of the author not be used in
|
||
|
|
advertising or publicity pertaining to distribution of the
|
||
|
|
software without specific, written prior permission.
|
||
|
|
|
||
|
|
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, 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \file
|
||
|
|
*
|
||
|
|
* USB Device Descriptors, for library use when in USB device mode. Descriptors are special
|
||
|
|
* computer-readable structures which the host requests upon device enumeration, to determine
|
||
|
|
* the device's capabilities and functions.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "Descriptors.h"
|
||
|
|
|
||
|
|
/** HID class report descriptor. This is a special descriptor constructed with values from the
|
||
|
|
* USBIF HID class specification to describe the reports and capabilities of the HID device. This
|
||
|
|
* descriptor is parsed by the host and its contents used to determine what data (and in what encoding)
|
||
|
|
* the device will send, and what it may be sent back from the host. Refer to the HID specification for
|
||
|
|
* more details on HID report descriptors.
|
||
|
|
*/
|
||
|
|
const USB_Descriptor_HIDReport_Datatype_t PROGMEM MouseReport[] =
|
||
|
|
{
|
||
|
|
HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
|
||
|
|
HID_RI_USAGE(8, 0x02), /* Mouse */
|
||
|
|
HID_RI_COLLECTION(8, 0x01), /* Application */
|
||
|
|
HID_RI_USAGE(8, 0x01), /* Pointer */
|
||
|
|
HID_RI_COLLECTION(8, 0x00), /* Physical */
|
||
|
|
HID_RI_USAGE_PAGE(8, 0x09), /* Button */
|
||
|
|
HID_RI_USAGE_MINIMUM(8, 0x01),
|
||
|
|
HID_RI_USAGE_MAXIMUM(8, 0x03),
|
||
|
|
HID_RI_LOGICAL_MINIMUM(8, 0x00),
|
||
|
|
HID_RI_LOGICAL_MAXIMUM(8, 0x01),
|
||
|
|
HID_RI_REPORT_COUNT(8, 0x03),
|
||
|
|
HID_RI_REPORT_SIZE(8, 0x01),
|
||
|
|
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
|
||
|
|
HID_RI_REPORT_COUNT(8, 0x01),
|
||
|
|
HID_RI_REPORT_SIZE(8, 0x05),
|
||
|
|
HID_RI_INPUT(8, HID_IOF_CONSTANT),
|
||
|
|
HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
|
||
|
|
HID_RI_USAGE(8, 0x30), /* Usage X */
|
||
|
|
HID_RI_USAGE(8, 0x31), /* Usage Y */
|
||
|
|
HID_RI_LOGICAL_MINIMUM(8, -1),
|
||
|
|
HID_RI_LOGICAL_MAXIMUM(8, 1),
|
||
|
|
HID_RI_PHYSICAL_MINIMUM(8, -1),
|
||
|
|
HID_RI_PHYSICAL_MAXIMUM(8, 1),
|
||
|
|
HID_RI_REPORT_COUNT(8, 0x02),
|
||
|
|
HID_RI_REPORT_SIZE(8, 0x08),
|
||
|
|
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_RELATIVE),
|
||
|
|
HID_RI_END_COLLECTION(0),
|
||
|
|
HID_RI_END_COLLECTION(0),
|
||
|
|
};
|
||
|
|
|
||
|
|
/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
|
||
|
|
* device characteristics, including the supported USB version, control endpoint size and the
|
||
|
|
* number of device configurations. The descriptor is read out by the USB host when the enumeration
|
||
|
|
* process begins.
|
||
|
|
*/
|
||
|
|
const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
|
||
|
|
{
|
||
|
|
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
|
||
|
|
|
||
|
|
.USBSpecification = VERSION_BCD(1,1,0),
|
||
|
|
.Class = USB_CSCP_NoDeviceClass,
|
||
|
|
.SubClass = USB_CSCP_NoDeviceSubclass,
|
||
|
|
.Protocol = USB_CSCP_NoDeviceProtocol,
|
||
|
|
|
||
|
|
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
|
||
|
|
|
||
|
|
.VendorID = 0x03EB,
|
||
|
|
.ProductID = 0x2041,
|
||
|
|
.ReleaseNumber = VERSION_BCD(0,0,1),
|
||
|
|
|
||
|
|
.ManufacturerStrIndex = STRING_ID_Manufacturer,
|
||
|
|
.ProductStrIndex = STRING_ID_Product,
|
||
|
|
.SerialNumStrIndex = NO_DESCRIPTOR,
|
||
|
|
|
||
|
|
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
|
||
|
|
};
|
||
|
|
|
||
|
|
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
|
||
|
|
* of the device in one of its supported configurations, including information about any device interfaces
|
||
|
|
* and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
|
||
|
|
* a configuration so that the host may correctly communicate with the USB device.
|
||
|
|
*/
|
||
|
|
const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
|
||
|
|
{
|
||
|
|
.Config =
|
||
|
|
{
|
||
|
|
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
|
||
|
|
|
||
|
|
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
|
||
|
|
.TotalInterfaces = 1,
|
||
|
|
|
||
|
|
.ConfigurationNumber = 1,
|
||
|
|
.ConfigurationStrIndex = NO_DESCRIPTOR,
|
||
|
|
|
||
|
|
.ConfigAttributes = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED),
|
||
|
|
|
||
|
|
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
|
||
|
|
},
|
||
|
|
|
||
|
|
.HID_Interface =
|
||
|
|
{
|
||
|
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||
|
|
|
||
|
|
.InterfaceNumber = INTERFACE_ID_Mouse,
|
||
|
|
.AlternateSetting = 0x00,
|
||
|
|
|
||
|
|
.TotalEndpoints = 1,
|
||
|
|
|
||
|
|
.Class = HID_CSCP_HIDClass,
|
||
|
|
.SubClass = HID_CSCP_BootSubclass,
|
||
|
|
.Protocol = HID_CSCP_MouseBootProtocol,
|
||
|
|
|
||
|
|
.InterfaceStrIndex = NO_DESCRIPTOR
|
||
|
|
},
|
||
|
|
|
||
|
|
.HID_MouseHID =
|
||
|
|
{
|
||
|
|
.Header = {.Size = sizeof(USB_HID_Descriptor_HID_t), .Type = HID_DTYPE_HID},
|
||
|
|
|
||
|
|
.HIDSpec = VERSION_BCD(1,1,1),
|
||
|
|
.CountryCode = 0x00,
|
||
|
|
.TotalReportDescriptors = 1,
|
||
|
|
.HIDReportType = HID_DTYPE_Report,
|
||
|
|
.HIDReportLength = sizeof(MouseReport)
|
||
|
|
},
|
||
|
|
|
||
|
|
.HID_ReportINEndpoint =
|
||
|
|
{
|
||
|
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
||
|
|
|
||
|
|
.EndpointAddress = MOUSE_EPADDR,
|
||
|
|
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
||
|
|
.EndpointSize = MOUSE_EPSIZE,
|
||
|
|
.PollingIntervalMS = 0x05
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
|
||
|
|
* the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
|
||
|
|
* via the language ID table available at USB.org what languages the device supports for its string descriptors.
|
||
|
|
*/
|
||
|
|
const USB_Descriptor_String_t PROGMEM LanguageString = USB_STRING_DESCRIPTOR_ARRAY(LANGUAGE_ID_ENG);
|
||
|
|
|
||
|
|
/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
|
||
|
|
* form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||
|
|
* Descriptor.
|
||
|
|
*/
|
||
|
|
const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"LUFA Library");
|
||
|
|
|
||
|
|
/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
|
||
|
|
* and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||
|
|
* Descriptor.
|
||
|
|
*/
|
||
|
|
const USB_Descriptor_String_t PROGMEM ProductString = USB_STRING_DESCRIPTOR(L"LUFA Mouse Demo");
|
||
|
|
|
||
|
|
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
|
||
|
|
* documentation) by the application code so that the address and size of a requested descriptor can be given
|
||
|
|
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
|
||
|
|
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
|
||
|
|
* USB host.
|
||
|
|
*/
|
||
|
|
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
|
||
|
|
const uint16_t wIndex,
|
||
|
|
const void** const DescriptorAddress)
|
||
|
|
{
|
||
|
|
const uint8_t DescriptorType = (wValue >> 8);
|
||
|
|
const uint8_t DescriptorNumber = (wValue & 0xFF);
|
||
|
|
|
||
|
|
const void* Address = NULL;
|
||
|
|
uint16_t Size = NO_DESCRIPTOR;
|
||
|
|
|
||
|
|
switch (DescriptorType)
|
||
|
|
{
|
||
|
|
case DTYPE_Device:
|
||
|
|
Address = &DeviceDescriptor;
|
||
|
|
Size = sizeof(USB_Descriptor_Device_t);
|
||
|
|
break;
|
||
|
|
case DTYPE_Configuration:
|
||
|
|
Address = &ConfigurationDescriptor;
|
||
|
|
Size = sizeof(USB_Descriptor_Configuration_t);
|
||
|
|
break;
|
||
|
|
case DTYPE_String:
|
||
|
|
switch (DescriptorNumber)
|
||
|
|
{
|
||
|
|
case STRING_ID_Language:
|
||
|
|
Address = &LanguageString;
|
||
|
|
Size = pgm_read_byte(&LanguageString.Header.Size);
|
||
|
|
break;
|
||
|
|
case STRING_ID_Manufacturer:
|
||
|
|
Address = &ManufacturerString;
|
||
|
|
Size = pgm_read_byte(&ManufacturerString.Header.Size);
|
||
|
|
break;
|
||
|
|
case STRING_ID_Product:
|
||
|
|
Address = &ProductString;
|
||
|
|
Size = pgm_read_byte(&ProductString.Header.Size);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
case HID_DTYPE_HID:
|
||
|
|
Address = &ConfigurationDescriptor.HID_MouseHID;
|
||
|
|
Size = sizeof(USB_HID_Descriptor_HID_t);
|
||
|
|
break;
|
||
|
|
case HID_DTYPE_Report:
|
||
|
|
Address = &MouseReport;
|
||
|
|
Size = sizeof(MouseReport);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
*DescriptorAddress = Address;
|
||
|
|
return Size;
|
||
|
|
}
|
||
|
|
|