From fa8d25ef29eb9e96f9089d17eeb64b3a5edb8e66 Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Tue, 29 Sep 2009 07:13:42 +0000 Subject: Remove old OTG demo directory with useless TestApp demo. Add new DualRole directory with new Class Driver powered Mouse dual role demonstration application showing a dual role device using the HID host/device Class drivers. --- .../ClassDriver/MouseHostDevice/Descriptors.c | 251 +++++++++++++++++++++ 1 file changed, 251 insertions(+) create mode 100644 Demos/DualRole/ClassDriver/MouseHostDevice/Descriptors.c (limited to 'Demos/DualRole/ClassDriver/MouseHostDevice/Descriptors.c') diff --git a/Demos/DualRole/ClassDriver/MouseHostDevice/Descriptors.c b/Demos/DualRole/ClassDriver/MouseHostDevice/Descriptors.c new file mode 100644 index 000000000..f6d6e8944 --- /dev/null +++ b/Demos/DualRole/ClassDriver/MouseHostDevice/Descriptors.c @@ -0,0 +1,251 @@ +/* + 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 MouseReport[] = +{ + 0x05, 0x01, /* Usage Page (Generic Desktop) */ + 0x09, 0x02, /* Usage (Mouse) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x09, 0x01, /* Usage (Pointer) */ + 0xA1, 0x00, /* Collection (Application) */ + 0x95, 0x03, /* Report Count (3) */ + 0x75, 0x01, /* Report Size (1) */ + 0x05, 0x09, /* Usage Page (Button) */ + 0x19, 0x01, /* Usage Minimum (Button 1) */ + 0x29, 0x03, /* Usage Maximum (Button 3) */ + 0x15, 0x00, /* Logical Minimum (0) */ + 0x25, 0x01, /* Logical Maximum (1) */ + 0x81, 0x02, /* Input (Data, Variable, Absolute) */ + 0x95, 0x01, /* Report Count (1) */ + 0x75, 0x05, /* Report Size (5) */ + 0x81, 0x01, /* Input (Constant) */ + 0x75, 0x08, /* Report Size (8) */ + 0x95, 0x02, /* Report Count (2) */ + 0x05, 0x01, /* Usage Page (Generic Desktop Control) */ + 0x09, 0x30, /* Usage X */ + 0x09, 0x31, /* Usage Y */ + 0x15, 0x81, /* Logical Minimum (-127) */ + 0x25, 0x7F, /* Logical Maximum (127) */ + 0x81, 0x06, /* Input (Data, Variable, Relative) */ + 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 = FIXED_CONTROL_ENDPOINT_SIZE, + + .VendorID = 0x03EB, + .ProductID = 0x2041, + .ReleaseNumber = 0x0000, + + .ManufacturerStrIndex = 0x01, + .ProductStrIndex = 0x02, + .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. + */ +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 = 0x01, + .Protocol = HID_BOOT_MOUSE_PROTOCOL, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .MouseHID = + { + .Header = {.Size = sizeof(USB_HID_Descriptor_t), .Type = DTYPE_HID}, + + .HIDSpec = VERSION_BCD(01.11), + .CountryCode = 0x00, + .TotalReportDescriptors = 1, + .HIDReportType = DTYPE_Report, + .HIDReportLength = sizeof(MouseReport) + }, + + .MouseEndpoint = + { + .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | MOUSE_EPNUM), + .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = MOUSE_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. + */ +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(15), .Type = DTYPE_String}, + + .UnicodeString = 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 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 = (void*)&DeviceDescriptor; + Size = sizeof(USB_Descriptor_Device_t); + break; + case DTYPE_Configuration: + Address = (void*)&ConfigurationDescriptor; + Size = sizeof(USB_Descriptor_Configuration_t); + break; + case DTYPE_String: + switch (DescriptorNumber) + { + case 0x00: + Address = (void*)&LanguageString; + Size = pgm_read_byte(&LanguageString.Header.Size); + break; + case 0x01: + Address = (void*)&ManufacturerString; + Size = pgm_read_byte(&ManufacturerString.Header.Size); + break; + case 0x02: + Address = (void*)&ProductString; + Size = pgm_read_byte(&ProductString.Header.Size); + break; + } + + break; + case DTYPE_HID: + Address = (void*)&ConfigurationDescriptor.MouseHID; + Size = sizeof(USB_HID_Descriptor_t); + break; + case DTYPE_Report: + Address = (void*)&MouseReport; + Size = sizeof(MouseReport); + break; + } + + *DescriptorAddress = Address; + return Size; +} + -- cgit v1.2.3