Add master device Host demo makefile.

Copy and convert incomplete Bluetooth Host demo to the library.
2009-06-05 08:13:19 +00:00 · 2009-06-05 08:13:19 +00:00 · 2793c88fc6
commit 2793c88fc6
parent d47df1cd3a
18 changed files with 2558 additions and 3 deletions
--- a/Demos/Host/Incomplete/BluetoothHost/ConfigDescriptor.c
+++ b/Demos/Host/Incomplete/BluetoothHost/ConfigDescriptor.c
@ -0,0 +1,139 @@
+/*
+             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.
+*/
+
+#include "ConfigDescriptor.h"
+
+uint8_t ProcessConfigurationDescriptor(void)
+{
+	uint8_t* ConfigDescriptorData;
+	uint16_t ConfigDescriptorSize;
+	uint8_t  FoundEndpoints = 0;
+	
+	/* Get Configuration Descriptor size from the device */
+	if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
+	  return ControlErrorDuringConfigRead;
+	
+	/* Ensure that the Configuration Descriptor isn't too large */
+	if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
+	  return DescriptorTooLarge;
+	  
+	/* Allocate enough memory for the entire config descriptor */
+	ConfigDescriptorData = alloca(ConfigDescriptorSize);
+
+	/* Retrieve the entire configuration descriptor into the allocated buffer */
+	USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
+	
+	/* Validate returned data - ensure first entry is a configuration header descriptor */
+	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
+	  return InvalidConfigDataReturned;
+
+	/* The bluetooth USB transport addendium mandates that the data (not streaming voice) endpoints
+	   be in the first interface descriptor (interface 0) */
+	USB_GetNextDescriptorOfType(&ConfigDescriptorSize, &ConfigDescriptorData, DTYPE_Interface);
+	
+	/* Ensure that an interface was found, and the end of the descriptor was not reached */
+	if (!(ConfigDescriptorSize))
+	  return NoInterfaceFound;
+
+	/* Get the data IN, data OUT and event notification endpoints for the bluetooth interface */
+	while (FoundEndpoints != ((1 << BLUETOOTH_DATA_IN_PIPE) | (1 << BLUETOOTH_DATA_OUT_PIPE) |
+	                          (1 << BLUETOOTH_EVENTS_PIPE)))
+	{
+		/* Fetch the next endpoint from the current bluetooth interface */
+		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+		                                   NextInterfaceBluetoothDataEndpoint))
+		{
+			/* Descriptor not found, error out */
+			return NoEndpointFound;
+		}
+		
+		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
+
+		/* Check if the endpoint is a bulk or interrupt type endpoint */
+		if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
+		{
+			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+			{
+				/* Configure the events IN pipe */
+				Pipe_ConfigurePipe(BLUETOOTH_EVENTS_PIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
+								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
+								   PIPE_BANK_SINGLE);
+
+				Pipe_SetInfiniteINRequests();
+				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
+				
+				/* Set the flag indicating that the events notification pipe has been found */
+				FoundEndpoints |= (1 << BLUETOOTH_EVENTS_PIPE);	
+			}
+		}
+		else
+		{
+			if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+			{
+				/* Configure the data IN pipe */
+				Pipe_ConfigurePipe(BLUETOOTH_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
+								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
+								   PIPE_BANK_SINGLE);
+
+				Pipe_SetInfiniteINRequests();
+
+				/* Set the flag indicating that the data IN pipe has been found */
+				FoundEndpoints |= (1 << BLUETOOTH_DATA_IN_PIPE);
+			}
+			else
+			{
+				/* Configure the data OUT pipe */
+				Pipe_ConfigurePipe(BLUETOOTH_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
+								   EndpointData->EndpointAddress, EndpointData->EndpointSize,
+								   PIPE_BANK_SINGLE);
+
+				/* Set the flag indicating that the data OUT pipe has been found */
+				FoundEndpoints |= (1 << BLUETOOTH_DATA_OUT_PIPE);
+			}		
+		}
+
+	}
+
+	/* Valid data found, return success */
+	return SuccessfulConfigRead;
+}
+
+uint8_t NextInterfaceBluetoothDataEndpoint(void* CurrentDescriptor)
+{
+	/* PURPOSE: Find next interface endpoint descriptor before next interface descriptor */
+
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+
+	return DESCRIPTOR_SEARCH_NotFound;
+}
+