-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * USB Device Descriptors, for library use when in USB device mode. Descriptors are special \r
- * computer-readable structures which the host requests upon device enumeration, to determine\r
- * the device's capabilities and functions. \r
- */\r
-\r
-#include "Descriptors.h"\r
-\r
-/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall\r
- * device characteristics, including the supported USB version, control endpoint size and the\r
- * number of device configurations. The descriptor is read out by the USB host when the enumeration\r
- * process begins.\r
- */\r
-USB_Descriptor_Device_t DeviceDescriptor =\r
-{\r
- Header: {Size: sizeof(USB_Descriptor_Device_t), Type: DTYPE_Device},\r
- \r
- USBSpecification: VERSION_BCD(01.10),\r
- Class: 0x00,\r
- SubClass: 0x00,\r
- Protocol: 0x00,\r
- \r
- Endpoint0Size: FIXED_CONTROL_ENDPOINT_SIZE,\r
- \r
- VendorID: 0x03EB,\r
- ProductID: PRODUCT_ID_CODE,\r
- ReleaseNumber: 0x0000,\r
- \r
- ManufacturerStrIndex: NO_DESCRIPTOR,\r
- ProductStrIndex: 0x01,\r
- SerialNumStrIndex: NO_DESCRIPTOR,\r
- \r
- NumberOfConfigurations: 1\r
-};\r
-\r
-/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage\r
- * of the device in one of its supported configurations, including information about any device interfaces\r
- * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting\r
- * a configuration so that the host may correctly communicate with the USB device.\r
- */\r
-USB_Descriptor_Configuration_t ConfigurationDescriptor =\r
-{\r
- Config:\r
- {\r
- Header: {Size: sizeof(USB_Descriptor_Configuration_Header_t), Type: DTYPE_Configuration},\r
-\r
- TotalConfigurationSize: sizeof(USB_Descriptor_Configuration_t),\r
- TotalInterfaces: 1,\r
-\r
- ConfigurationNumber: 1,\r
- ConfigurationStrIndex: NO_DESCRIPTOR,\r
- \r
- ConfigAttributes: (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),\r
- \r
- MaxPowerConsumption: USB_CONFIG_POWER_MA(100)\r
- },\r
- \r
- DFUInterface:\r
- {\r
- Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},\r
-\r
- InterfaceNumber: 0,\r
- AlternateSetting: 0,\r
- \r
- TotalEndpoints: 0,\r
- \r
- Class: 0xFE,\r
- SubClass: 0x01,\r
- Protocol: 0x02,\r
-\r
- InterfaceStrIndex: NO_DESCRIPTOR\r
- },\r
- \r
- DFUFunctional:\r
- {\r
- Header: {Size: sizeof(USB_DFU_Functional_Descriptor_t), Type: DTYPE_DFUFunctional},\r
- \r
- Attributes: (ATTR_CAN_UPLOAD | ATTR_CAN_DOWNLOAD),\r
-\r
- DetatchTimeout: 0x0000,\r
- TransferSize: 0x0c00,\r
- \r
- DFUSpecification: VERSION_BCD(01.01)\r
- }\r
-};\r
-\r
-/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests\r
- * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate\r
- * via the language ID table available at USB.org what languages the device supports for its string descriptors.\r
- */ \r
-USB_Descriptor_String_t LanguageString =\r
-{\r
- Header: {Size: USB_STRING_LEN(1), Type: DTYPE_String},\r
- \r
- UnicodeString: {LANGUAGE_ID_ENG}\r
-};\r
-\r
-/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,\r
- * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device\r
- * Descriptor.\r
- */\r
-USB_Descriptor_String_t ProductString =\r
-{\r
- Header: {Size: USB_STRING_LEN(18), Type: DTYPE_String},\r
- \r
- UnicodeString: L"AVR DFU Bootloader"\r
-};\r
-\r
-/** This function is called by the library when in device mode, and must be overridden (see StdDescriptors.h\r
- * documentation) by the application code so that the address and size of a requested descriptor can be given\r
- * to the USB library. When the device recieves a Get Descriptor request on the control endpoint, this function\r
- * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the\r
- * USB host.\r
- */\r
-uint16_t USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)\r
-{\r
- const uint8_t DescriptorType = (wValue >> 8);\r
- const uint8_t DescriptorNumber = (wValue & 0xFF);\r
-\r
- void* Address = NULL;\r
- uint16_t Size = NO_DESCRIPTOR;\r
-\r
- switch (DescriptorType)\r
- {\r
- case DTYPE_Device:\r
- Address = DESCRIPTOR_ADDRESS(DeviceDescriptor);\r
- Size = sizeof(USB_Descriptor_Device_t);\r
- break;\r
- case DTYPE_Configuration:\r
- Address = DESCRIPTOR_ADDRESS(ConfigurationDescriptor);\r
- Size = sizeof(USB_Descriptor_Configuration_t);\r
- break;\r
- case DTYPE_String:\r
- if (!(DescriptorNumber))\r
- {\r
- Address = DESCRIPTOR_ADDRESS(LanguageString);\r
- Size = LanguageString.Header.Size;\r
- }\r
- else\r
- {\r
- Address = DESCRIPTOR_ADDRESS(ProductString);\r
- Size = ProductString.Header.Size;\r
- }\r
- \r
- break;\r
- }\r
- \r
- *DescriptorAddress = Address;\r
- return Size;\r
-}\r
+/*
+ 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"
+
+/** 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(01.10),
+ .Class = USB_CSCP_NoDeviceClass,
+ .SubClass = USB_CSCP_NoDeviceSubclass,
+ .Protocol = USB_CSCP_NoDeviceProtocol,
+
+ .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
+
+ .VendorID = 0x03EB,
+ .ProductID = PRODUCT_ID_CODE,
+ .ReleaseNumber = VERSION_BCD(00.00),
+
+ .ManufacturerStrIndex = NO_DESCRIPTOR,
+ .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 = 1,
+
+ .ConfigurationNumber = 1,
+ .ConfigurationStrIndex = NO_DESCRIPTOR,
+
+ .ConfigAttributes = USB_CONFIG_ATTR_BUSPOWERED,
+
+ .MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
+ },
+
+ .DFU_Interface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = 0,
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 0,
+
+ .Class = 0xFE,
+ .SubClass = 0x01,
+ .Protocol = 0x02,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .DFU_Functional =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_DFU_Functional_t), .Type = DTYPE_DFUFunctional},
+
+ .Attributes = (ATTR_CAN_UPLOAD | ATTR_CAN_DOWNLOAD),
+
+ .DetachTimeout = 0x0000,
+ .TransferSize = 0x0C00,
+
+ .DFUSpecification = VERSION_BCD(01.01)
+ }
+};
+
+/** 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(18), .Type = DTYPE_String},
+
+ .UnicodeString = L"AVR DFU Bootloader"
+};
+
+/** 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 uint8_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
+ {
+ Address = &ProductString;
+ Size = ProductString.Header.Size;
+ }
+
+ break;
+ }
+
+ *DescriptorAddress = Address;
+ return Size;
+}
+
projects / pub / USBasp.git / blobdiff