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.
296 lines
10 KiB
296 lines
10 KiB
/*
|
|
* this file is based on LUFA, however, modified.
|
|
*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2011.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2011 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 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"
|
|
|
|
|
|
|
|
|
|
|
|
/** Endpoint address for the CDC control interface event notification endpoint. */
|
|
#define CDC_NOTIFICATION_EPADDR (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM)
|
|
|
|
/** Endpoint address for the CDC data interface TX (data IN) endpoint. */
|
|
#define CDC_TX_EPADDR (ENDPOINT_DIR_IN | CDC_TX_EPNUM)
|
|
|
|
/** Endpoint address for the CDC data interface RX (data OUT) endpoint. */
|
|
#define CDC_RX_EPADDR (ENDPOINT_DIR_OUT | CDC_RX_EPNUM)
|
|
|
|
/** LUFA CDC Class driver interface configuration and state information. This structure is
|
|
* passed to all CDC Class driver functions, so that multiple instances of the same class
|
|
* within a device can be differentiated from one another.
|
|
*/
|
|
USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = {
|
|
.Config = {
|
|
.ControlInterfaceNumber = INTERFACE_ID_CDC_CCI,
|
|
.DataINEndpoint =
|
|
{
|
|
.Address = CDC_TX_EPADDR,
|
|
.Size = CDC_TXRX_EPSIZE,
|
|
.Banks = 1,
|
|
},
|
|
.DataOUTEndpoint =
|
|
{
|
|
.Address = CDC_RX_EPADDR,
|
|
.Size = CDC_TXRX_EPSIZE,
|
|
.Banks = 1,
|
|
},
|
|
.NotificationEndpoint =
|
|
{
|
|
.Address = CDC_NOTIFICATION_EPADDR,
|
|
.Size = CDC_NOTIFICATION_EPSIZE,
|
|
.Banks = 1,
|
|
},
|
|
},
|
|
};
|
|
|
|
|
|
|
|
/** Device descriptor structure. This descriptor, located in SRAM 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 DeviceDescriptor =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
|
|
|
|
.USBSpecification = VERSION_BCD(1,1,0),
|
|
.Class = CDC_CSCP_CDCClass,
|
|
.SubClass = CDC_CSCP_NoSpecificSubclass,
|
|
.Protocol = CDC_CSCP_NoSpecificProtocol,
|
|
|
|
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
|
|
|
|
.VendorID = DEVICE_VID,
|
|
.ProductID = DEVICE_PID,
|
|
.ReleaseNumber = VERSION_BCD(0,0,1),
|
|
|
|
.ManufacturerStrIndex = 0x02,
|
|
.ProductStrIndex = 0x01,
|
|
.SerialNumStrIndex = NO_DESCRIPTOR,
|
|
|
|
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
|
|
};
|
|
|
|
/** Configuration descriptor structure. This descriptor, located in SRAM 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 ConfigurationDescriptor =
|
|
{
|
|
.Config =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
|
|
|
|
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
|
|
.TotalInterfaces = 2,
|
|
|
|
.ConfigurationNumber = 1,
|
|
.ConfigurationStrIndex = NO_DESCRIPTOR,
|
|
|
|
.ConfigAttributes = 0, // USB_CONFIG_ATTR_BUSPOWERED
|
|
|
|
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
|
|
},
|
|
|
|
.CDC_CCI_Interface =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
|
|
|
.InterfaceNumber = 0,
|
|
.AlternateSetting = 0,
|
|
|
|
.TotalEndpoints = 1,
|
|
|
|
.Class = CDC_CSCP_CDCClass,
|
|
.SubClass = CDC_CSCP_ACMSubclass,
|
|
.Protocol = CDC_CSCP_ATCommandProtocol,
|
|
|
|
.InterfaceStrIndex = NO_DESCRIPTOR
|
|
},
|
|
|
|
.CDC_Functional_Header =
|
|
{
|
|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = CDC_DTYPE_CSInterface},
|
|
.Subtype = 0x00,
|
|
|
|
.CDCSpecification = VERSION_BCD(1,1,0),
|
|
},
|
|
|
|
.CDC_Functional_ACM =
|
|
{
|
|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = CDC_DTYPE_CSInterface},
|
|
.Subtype = 0x02,
|
|
|
|
.Capabilities = 0x04,
|
|
},
|
|
|
|
.CDC_Functional_Union =
|
|
{
|
|
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = CDC_DTYPE_CSInterface},
|
|
.Subtype = 0x06,
|
|
|
|
.MasterInterfaceNumber = 0,
|
|
.SlaveInterfaceNumber = 1,
|
|
},
|
|
|
|
.CDC_NotificationEndpoint =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
|
|
|
.EndpointAddress = (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM),
|
|
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
|
.EndpointSize = CDC_NOTIFICATION_EPSIZE,
|
|
.PollingIntervalMS = 0xFF
|
|
},
|
|
|
|
.CDC_DCI_Interface =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
|
|
|
.InterfaceNumber = 1,
|
|
.AlternateSetting = 0,
|
|
|
|
.TotalEndpoints = 2,
|
|
|
|
.Class = CDC_CSCP_CDCDataClass,
|
|
.SubClass = CDC_CSCP_NoDataSubclass,
|
|
.Protocol = CDC_CSCP_NoDataProtocol,
|
|
|
|
.InterfaceStrIndex = NO_DESCRIPTOR
|
|
},
|
|
|
|
.CDC_DataOutEndpoint =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
|
|
|
.EndpointAddress = (ENDPOINT_DIR_OUT | CDC_RX_EPNUM),
|
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
|
.EndpointSize = CDC_TXRX_EPSIZE,
|
|
.PollingIntervalMS = 0x01
|
|
},
|
|
|
|
.CDC_DataInEndpoint =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
|
|
|
.EndpointAddress = (ENDPOINT_DIR_IN | CDC_TX_EPNUM),
|
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
|
.EndpointSize = CDC_TXRX_EPSIZE,
|
|
.PollingIntervalMS = 0x01
|
|
}
|
|
};
|
|
|
|
/** Language descriptor structure. This descriptor, located in SRAM 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 LanguageString =
|
|
{
|
|
.Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
|
|
|
|
.UnicodeString = {LANGUAGE_ID_ENG}
|
|
};
|
|
|
|
/** 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 ProductString =
|
|
{
|
|
.Header = {.Size = USB_STRING_LEN(5), .Type = DTYPE_String},
|
|
.UnicodeString = L"Relay"
|
|
};
|
|
|
|
const USB_Descriptor_String_t ManufNameString =
|
|
{
|
|
.Header = {.Size = USB_STRING_LEN(10), .Type = DTYPE_String},
|
|
.UnicodeString = L"MightyPork"
|
|
};
|
|
|
|
/** This function is called by the library when in device mode, and must be overridden (see LUFA 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:
|
|
if (!(DescriptorNumber))
|
|
{
|
|
Address = &LanguageString;
|
|
Size = LanguageString.Header.Size;
|
|
}
|
|
else if (DescriptorNumber == DeviceDescriptor.ProductStrIndex)
|
|
{
|
|
Address = &ProductString;
|
|
Size = ProductString.Header.Size;
|
|
} else if (DescriptorNumber == DeviceDescriptor.ManufacturerStrIndex)
|
|
{
|
|
Address = &ManufNameString;
|
|
Size = ManufNameString.Header.Size;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
*DescriptorAddress = Address;
|
|
return Size;
|
|
}
|
|
|