204 lines
7.8 KiB
C
204 lines
7.8 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2017.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2017 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 "AVRISPDescriptors.h"
|
|
|
|
/** 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 AVRISP_DeviceDescriptor =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
|
|
|
|
.USBSpecification = VERSION_BCD(1,1,0),
|
|
.Class = USB_CSCP_VendorSpecificClass,
|
|
.SubClass = USB_CSCP_NoDeviceSubclass,
|
|
.Protocol = USB_CSCP_NoDeviceProtocol,
|
|
|
|
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
|
|
|
|
.VendorID = 0x03EB,
|
|
.ProductID = 0x2104,
|
|
.ReleaseNumber = VERSION_BCD(2,0,0),
|
|
|
|
.ManufacturerStrIndex = AVRISP_STRING_ID_Manufacturer,
|
|
.ProductStrIndex = AVRISP_STRING_ID_Product,
|
|
.SerialNumStrIndex = AVRISP_STRING_ID_Serial,
|
|
|
|
.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 AVRISP_USB_Descriptor_Configuration_t PROGMEM AVRISP_ConfigurationDescriptor =
|
|
{
|
|
.Config =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
|
|
|
|
.TotalConfigurationSize = sizeof(AVRISP_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)
|
|
},
|
|
|
|
.AVRISP_Interface =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
|
|
|
.InterfaceNumber = INTERFACE_ID_AVRISP,
|
|
.AlternateSetting = 0,
|
|
|
|
.TotalEndpoints = 2,
|
|
|
|
.Class = USB_CSCP_VendorSpecificClass,
|
|
.SubClass = USB_CSCP_NoDeviceSubclass,
|
|
.Protocol = USB_CSCP_NoDeviceProtocol,
|
|
|
|
.InterfaceStrIndex = NO_DESCRIPTOR
|
|
},
|
|
|
|
.AVRISP_DataInEndpoint =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
|
|
|
.EndpointAddress = AVRISP_DATA_IN_EPADDR,
|
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
|
.EndpointSize = AVRISP_DATA_EPSIZE,
|
|
.PollingIntervalMS = 0x0A
|
|
},
|
|
|
|
.AVRISP_DataOutEndpoint =
|
|
{
|
|
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
|
|
|
|
.EndpointAddress = AVRISP_DATA_OUT_EPADDR,
|
|
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
|
|
.EndpointSize = AVRISP_DATA_EPSIZE,
|
|
.PollingIntervalMS = 0x0A
|
|
},
|
|
};
|
|
|
|
/** 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 AVRISP_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 AVRISP_ManufacturerString = USB_STRING_DESCRIPTOR(L"ATMEL");
|
|
|
|
/** 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 AVRISP_ProductString = USB_STRING_DESCRIPTOR(L"AVRISP mkII");
|
|
|
|
/** Serial number string. This is a Unicode string containing the device's unique serial number, expressed as a
|
|
* series of uppercase hexadecimal digits.
|
|
*/
|
|
const USB_Descriptor_String_t PROGMEM AVRISP_SerialString = USB_STRING_DESCRIPTOR(L"000200012345\0"
|
|
// Note: Real AVRISP-MKII has the embedded NUL byte, bug in firmware?
|
|
);
|
|
|
|
/** 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 AVRISP_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 = &AVRISP_DeviceDescriptor;
|
|
Size = sizeof(USB_Descriptor_Device_t);
|
|
break;
|
|
case DTYPE_Configuration:
|
|
Address = &AVRISP_ConfigurationDescriptor;
|
|
Size = sizeof(AVRISP_USB_Descriptor_Configuration_t);
|
|
break;
|
|
case DTYPE_String:
|
|
switch (DescriptorNumber)
|
|
{
|
|
case AVRISP_STRING_ID_Language:
|
|
Address = &AVRISP_LanguageString;
|
|
Size = pgm_read_byte(&AVRISP_LanguageString.Header.Size);
|
|
break;
|
|
case AVRISP_STRING_ID_Manufacturer:
|
|
Address = &AVRISP_ManufacturerString;
|
|
Size = pgm_read_byte(&AVRISP_ManufacturerString.Header.Size);
|
|
break;
|
|
case AVRISP_STRING_ID_Product:
|
|
Address = &AVRISP_ProductString;
|
|
Size = pgm_read_byte(&AVRISP_ProductString.Header.Size);
|
|
break;
|
|
case AVRISP_STRING_ID_Serial:
|
|
Address = &AVRISP_SerialString;
|
|
Size = AVRISP_SerialString.Header.Size;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
*DescriptorAddress = Address;
|
|
return Size;
|
|
}
|