Moved USBtoSerial demo the Projects directory, as it is simply an expanded CDC demo. Added const qualifier to Endpoint/Pipe stream write routines.

1 files changed, 275 insertions, 0 deletions

diff --git a/Projects/USBtoSerial/Descriptors.c b/Projects/USBtoSerial/Descriptors.c
new file mode 100644
index 000000000..c7330a3c6
--- /dev/null
+++ b/Projects/USBtoSerial/Descriptors.c
@@ -0,0 +1,275 @@
+/*

+             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"

+

+/* On some devices, there is a factory set internal serial number which can be automatically sent to the host as

+ * the device's serial number when the Device Descriptor's .SerialNumStrIndex entry is set to USE_INTERNAL_SERIAL.

+ * This allows the host to track a device across insertions on different ports, allowing them to retain allocated

+ * resources like COM port numbers and drivers. On demos using this feature, give a warning on unsupported devices

+ * so that the user can supply their own serial number descriptor instead or remove the USE_INTERNAL_SERIAL value

+ * from the Device Descriptor (forcing the host to generate a serial number for each device from the VID, PID and

+ * port location).

+ */

+#if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR)

+	#warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.

+#endif

+

+/** 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                  = 0x02,

+	.SubClass               = 0x00,

+	.Protocol               = 0x00,

+				

+	.Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,

+		

+	.VendorID               = 0x03EB,

+	.ProductID              = 0x204B,

+	.ReleaseNumber          = 0x0000,

+		

+	.ManufacturerStrIndex   = 0x01,

+	.ProductStrIndex        = 0x02,

+	.SerialNumStrIndex      = USE_INTERNAL_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.

+ */

+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        = 2,

+				

+			.ConfigurationNumber    = 1,

+			.ConfigurationStrIndex  = NO_DESCRIPTOR,

+				

+			.ConfigAttributes       = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),

+			

+			.MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)

+		},

+		

+	.CCI_Interface = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},

+

+			.InterfaceNumber        = 0,

+			.AlternateSetting       = 0,

+			

+			.TotalEndpoints         = 1,

+				

+			.Class                  = 0x02,

+			.SubClass               = 0x02,

+			.Protocol               = 0x01,

+				

+			.InterfaceStrIndex      = NO_DESCRIPTOR

+		},

+

+	.CDC_Functional_IntHeader = 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},

+			.SubType                = 0x00,

+			

+			.Data                   = {0x01, 0x10}

+		},

+

+	.CDC_Functional_CallManagement = 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},

+			.SubType                = 0x01,

+			

+			.Data                   = {0x03, 0x01}

+		},

+

+	.CDC_Functional_AbstractControlManagement = 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(1)), .Type = 0x24},

+			.SubType                = 0x02,

+			

+			.Data                   = {0x06}

+		},

+		

+	.CDC_Functional_Union= 

+		{

+			.Header                 = {.Size = sizeof(CDC_FUNCTIONAL_DESCRIPTOR(2)), .Type = 0x24},

+			.SubType                = 0x06,

+			

+			.Data                   = {0x00, 0x01}

+		},

+

+	.ManagementEndpoint = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

+			

+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_NOTIFICATION_EPNUM),

+			.Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),

+			.EndpointSize           = CDC_NOTIFICATION_EPSIZE,

+			.PollingIntervalMS      = 0xFF

+		},

+

+	.DCI_Interface = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},

+

+			.InterfaceNumber        = 1,

+			.AlternateSetting       = 0,

+			

+			.TotalEndpoints         = 2,

+				

+			.Class                  = 0x0A,

+			.SubClass               = 0x00,

+			.Protocol               = 0x00,

+				

+			.InterfaceStrIndex      = NO_DESCRIPTOR

+		},

+

+	.DataOutEndpoint = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

+			

+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_OUT | CDC_RX_EPNUM),

+			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),

+			.EndpointSize           = CDC_TXRX_EPSIZE,

+			.PollingIntervalMS      = 0x00

+		},

+		

+	.DataInEndpoint = 

+		{

+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

+			

+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_TX_EPNUM),

+			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),

+			.EndpointSize           = CDC_TXRX_EPSIZE,

+			.PollingIntervalMS      = 0x00

+		}

+};

+

+/** 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(23), .Type = DTYPE_String},

+		

+	.UnicodeString          = L"LUFA USB-RS232 Adapter"

+};

+

+/** 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;

+	}

+	

+	*DescriptorAddress = Address;

+	return Size;

+}