You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
251 lines
10 KiB
251 lines
10 KiB
16 years ago
|
/*
|
||
|
|
LUFA Library
|
||
|
|
Copyright (C) Dean Camera, 2009.
|
||
|
|
|
||
|
|
dean [at] fourwalledcubicle [dot] com
|
||
|
|
www.fourwalledcubicle.com
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
||
|
|
|
||
|
|
Permission to use, copy, modify, and distribute this software
|
||
|
|
and its documentation for any purpose and without fee is hereby
|
||
|
|
granted, 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 disclaim 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.
|
||
|
|
*/
|
||
|
|
USB_Descriptor_HIDReport_Datatype_t PROGMEM JoystickReport[] =
|
||
|
|
{
|
||
|
|
0x05, 0x01, /* Usage Page (Generic Desktop) */
|
||
|
|
0x09, 0x04, /* Usage (Joystick) */
|
||
|
|
0xa1, 0x01, /* Collection (Application) */
|
||
|
|
0x09, 0x01, /* Usage (Pointer) */
|
||
|
|
0xa1, 0x00, /* Collection (Physical) */
|
||
|
|
0x05, 0x01, /* Usage Page (Generic Desktop) */
|
||
|
|
0x09, 0x30, /* Usage (X) */
|
||
|
|
0x09, 0x31, /* Usage (Y) */
|
||
|
|
0x15, 0x9c, /* Logical Minimum (-100) */
|
||
|
|
0x25, 0x64, /* Logical Maximum (100) */
|
||
|
|
0x75, 0x08, /* Report Size (8) */
|
||
|
|
0x95, 0x02, /* Report Count (2) */
|
||
|
|
0x81, 0x82, /* Input (Data, Variable, Absolute, Volatile) */
|
||
|
|
0x05, 0x09, /* Usage Page (Button) */
|
||
|
|
0x09, 0x02, /* Usage (Button 2) */
|
||
|
|
0x09, 0x01, /* Usage (Button 1) */
|
||
|
|
0x15, 0x00, /* Logical Minimum (0) */
|
||
|
|
0x25, 0x01, /* Logical Maximum (1) */
|
||
|
|
0x75, 0x01, /* Report Size (1) */
|
||
|
|
0x95, 0x02, /* Report Count (2) */
|
||
|
|
0x81, 0x02, /* Input (Data, Variable, Absolute) */
|
||
|
|
0x75, 0x06, /* Report Size (6) */
|
||
|
|
0x95, 0x01, /* Report Count (1) */
|
||
|
|
0x81, 0x01, /* Input (Constant) */
|
||
|
|
0xc0, /* End Collection */
|
||
|
|
0xc0 /* End Collection */
|
||
|
|
};
|
||
|
|
|
||
|
|
/** 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.
|
||
|
|
*/
|
||
|
|
USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
|
||
|
|
{
|
||
|
|
Header: {Size: sizeof(USB_Descriptor_Device_t), Type: DTYPE_Device},
|
||
|
|
|
||
|
|
USBSpecification: VERSION_BCD(01.10),
|
||
|
|
Class: 0x00,
|
||
|
|
SubClass: 0x00,
|
||
|
|
Protocol: 0x00,
|
||
|
|
|
||
|
|
Endpoint0Size: 8,
|
||
|
|
|
||
|
|
VendorID: 0x03EB,
|
||
|
|
ProductID: 0x2043,
|
||
|
|
ReleaseNumber: 0x0000,
|
||
|
|
|
||
|
|
ManufacturerStrIndex: 0x01,
|
||
|
|
ProductStrIndex: 0x02,
|
||
|
|
SerialNumStrIndex: NO_DESCRIPTOR,
|
||
|
|
|
||
|
|
NumberOfConfigurations: 1
|
||
|
|
};
|
||
|
|
|
||
|
|
/** 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.
|
||
|
|
*/
|
||
|
|
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_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
|
||
|
|
|
||
|
|
MaxPowerConsumption: USB_CONFIG_POWER_MA(100)
|
||
|
|
},
|
||
|
|
|
||
|
|
Interface:
|
||
|
|
{
|
||
|
|
Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
|
||
|
|
|
||
|
|
InterfaceNumber: 0x00,
|
||
|
|
AlternateSetting: 0x00,
|
||
|
|
|
||
|
|
TotalEndpoints: 1,
|
||
|
|
|
||
|
|
Class: 0x03,
|
||
|
|
SubClass: 0x00,
|
||
|
|
Protocol: 0x00,
|
||
|
|
|
||
|
|
InterfaceStrIndex: NO_DESCRIPTOR
|
||
|
|
},
|
||
|
|
|
||
|
|
JoystickHID:
|
||
|
|
{
|
||
|
|
Header: {Size: sizeof(USB_Descriptor_HID_t), Type: DTYPE_HID},
|
||
|
|
|
||
|
|
HIDSpec: VERSION_BCD(01.11),
|
||
|
|
CountryCode: 0x00,
|
||
|
|
TotalHIDReports: 0x01,
|
||
|
|
HIDReportType: DTYPE_Report,
|
||
|
|
HIDReportLength: sizeof(JoystickReport)
|
||
|
|
},
|
||
|
|
|
||
|
|
JoystickEndpoint:
|
||
|
|
{
|
||
|
|
Header: {Size: sizeof(USB_Descriptor_Endpoint_t), Type: DTYPE_Endpoint},
|
||
|
|
|
||
|
|
EndpointAddress: (ENDPOINT_DESCRIPTOR_DIR_IN | JOYSTICK_EPNUM),
|
||
|
|
Attributes: EP_TYPE_INTERRUPT,
|
||
|
|
EndpointSize: JOYSTICK_EPSIZE,
|
||
|
|
PollingIntervalMS: 0x02
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/** 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.
|
||
|
|
*/
|
||
|
|
USB_Descriptor_String_t PROGMEM LanguageString =
|
||
|
|
{
|
||
|
|
Header: {Size: USB_STRING_LEN(1), Type: DTYPE_String},
|
||
|
|
|
||
|
|
UnicodeString: {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.
|
||
|
|
*/
|
||
|
|
USB_Descriptor_String_t PROGMEM ManufacturerString =
|
||
|
|
{
|
||
|
|
Header: {Size: USB_STRING_LEN(11), Type: DTYPE_String},
|
||
|
|
|
||
|
|
UnicodeString: L"Dean Camera"
|
||
|
|
};
|
||
|
|
|
||
|
|
/** 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.
|
||
|
|
*/
|
||
|
|
USB_Descriptor_String_t PROGMEM ProductString =
|
||
|
|
{
|
||
|
|
Header: {Size: USB_STRING_LEN(18), Type: DTYPE_String},
|
||
|
|
|
||
|
|
UnicodeString: L"LUFA Joystick Demo"
|
||
|
|
};
|
||
|
|
|
||
|
|
/** This function is called by the library when in device mode, and must be overridden (see StdDescriptors.h
|
||
|
|
* 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 recieves 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 USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
|
||
|
|
{
|
||
|
|
const uint8_t DescriptorType = (wValue >> 8);
|
||
|
|
const uint8_t DescriptorNumber = (wValue & 0xFF);
|
||
|
|
|
||
|
|
void* Address = NULL;
|
||
|
|
uint16_t Size = NO_DESCRIPTOR;
|
||
|
|
|
||
|
|
switch (DescriptorType)
|
||
|
|
{
|
||
|
|
case DTYPE_Device:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(DeviceDescriptor);
|
||
|
|
Size = sizeof(USB_Descriptor_Device_t);
|
||
|
|
break;
|
||
|
|
case DTYPE_Configuration:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(ConfigurationDescriptor);
|
||
|
|
Size = sizeof(USB_Descriptor_Configuration_t);
|
||
|
|
break;
|
||
|
|
case DTYPE_String:
|
||
|
|
switch (DescriptorNumber)
|
||
|
|
{
|
||
|
|
case 0x00:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(LanguageString);
|
||
|
|
Size = pgm_read_byte(&LanguageString.Header.Size);
|
||
|
|
break;
|
||
|
|
case 0x01:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(ManufacturerString);
|
||
|
|
Size = pgm_read_byte(&ManufacturerString.Header.Size);
|
||
|
|
break;
|
||
|
|
case 0x02:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(ProductString);
|
||
|
|
Size = pgm_read_byte(&ProductString.Header.Size);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
case DTYPE_HID:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(ConfigurationDescriptor.JoystickHID);
|
||
|
|
Size = sizeof(USB_Descriptor_HID_t);
|
||
|
|
break;
|
||
|
|
case DTYPE_Report:
|
||
|
|
Address = DESCRIPTOR_ADDRESS(JoystickReport);
|
||
|
|
Size = sizeof(JoystickReport);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
*DescriptorAddress = Address;
|
||
|
|
return Size;
|
||
|
|
}
|