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Moved all source to the trunk directory.

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Dean Camera 2009-02-23 07:08:17 +00:00
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<AVRStudio><MANAGEMENT><ProjectName>AudioInput</ProjectName><Created>30-Sep-2008 14:03:00</Created><LastEdit>30-Sep-2008 14:03:28</LastEdit><ICON>241</ICON><ProjectType>0</ProjectType><Created>30-Sep-2008 14:03:00</Created><Version>4</Version><Build>4, 14, 0, 589</Build><ProjectTypeName>AVR GCC</ProjectTypeName></MANAGEMENT><CODE_CREATION><ObjectFile>AudioInput.elf</ObjectFile><EntryFile></EntryFile><SaveFolder>C:\Users\Dean\Documents\Electronics\Projects\WORK\MyUSBWORK\Demos\AudioInput\</SaveFolder></CODE_CREATION><DEBUG_TARGET><CURRENT_TARGET></CURRENT_TARGET><CURRENT_PART></CURRENT_PART><BREAKPOINTS></BREAKPOINTS><IO_EXPAND><HIDE>false</HIDE></IO_EXPAND><REGISTERNAMES><Register>R00</Register><Register>R01</Register><Register>R02</Register><Register>R03</Register><Register>R04</Register><Register>R05</Register><Register>R06</Register><Register>R07</Register><Register>R08</Register><Register>R09</Register><Register>R10</Register><Register>R11</Register><Register>R12</Register><Register>R13</Register><Register>R14</Register><Register>R15</Register><Register>R16</Register><Register>R17</Register><Register>R18</Register><Register>R19</Register><Register>R20</Register><Register>R21</Register><Register>R22</Register><Register>R23</Register><Register>R24</Register><Register>R25</Register><Register>R26</Register><Register>R27</Register><Register>R28</Register><Register>R29</Register><Register>R30</Register><Register>R31</Register></REGISTERNAMES><COM></COM><COMType>0</COMType><WATCHNUM>0</WATCHNUM><WATCHNAMES><Pane0></Pane0><Pane1></Pane1><Pane2></Pane2><Pane3></Pane3></WATCHNAMES><BreakOnTrcaeFull>0</BreakOnTrcaeFull></DEBUG_TARGET><Debugger><Triggers></Triggers></Debugger><AVRGCCPLUGIN><FILES><SOURCEFILE>AudioInput.c</SOURCEFILE><SOURCEFILE>Descriptors.c</SOURCEFILE><HEADERFILE>AudioInput.h</HEADERFILE><HEADERFILE>Descriptors.h</HEADERFILE><OTHERFILE>makefile</OTHERFILE></FILES><CONFIGS><CONFIG><NAME>default</NAME><USESEXTERNALMAKEFILE>YES</USESEXTERNALMAKEFILE><EXTERNALMAKEFILE>makefile</EXTERNALMAKEFILE><PART>atmega128</PART><HEX>1</HEX><LIST>1</LIST><MAP>1</MAP><OUTPUTFILENAME>AudioInput.elf</OUTPUTFILENAME><OUTPUTDIR>default\</OUTPUTDIR><ISDIRTY>1</ISDIRTY><OPTIONS/><INCDIRS/><LIBDIRS/><LIBS/><LINKOBJECTS/><OPTIONSFORALL>-Wall -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums</OPTIONSFORALL><LINKEROPTIONS></LINKEROPTIONS><SEGMENTS/></CONFIG></CONFIGS><LASTCONFIG>default</LASTCONFIG><USES_WINAVR>1</USES_WINAVR><GCC_LOC>C:\WinAVR-20080512\bin\avr-gcc.exe</GCC_LOC><MAKE_LOC>C:\WinAVR-20080512\utils\bin\make.exe</MAKE_LOC></AVRGCCPLUGIN><ProjectFiles><Files><Name>C:\Users\Dean\Documents\Electronics\Projects\WORK\MyUSBWORK\Demos\AudioInput\AudioInput.h</Name><Name>C:\Users\Dean\Documents\Electronics\Projects\WORK\MyUSBWORK\Demos\AudioInput\Descriptors.h</Name><Name>C:\Users\Dean\Documents\Electronics\Projects\WORK\MyUSBWORK\Demos\AudioInput\AudioInput.c</Name><Name>C:\Users\Dean\Documents\Electronics\Projects\WORK\MyUSBWORK\Demos\AudioInput\Descriptors.c</Name></Files></ProjectFiles><IOView><usergroups/><sort sorted="0" column="0" ordername="0" orderaddress="0" ordergroup="0"/></IOView><Files></Files><Events><Bookmarks></Bookmarks></Events><Trace><Filters></Filters></Trace></AVRStudio>

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/*
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
*
* Main source file for the Audio Input demo. This file contains the main tasks of the demo and
* is responsible for the initial application hardware configuration.
*/
/* --- Project Configuration --- */
//#define MICROPHONE_BIASED_TO_HALF_RAIL
/* --- --- --- --- --- --- --- --- */
#include "AudioInput.h"
/* Project Tags, for reading out using the ButtLoad project */
BUTTLOADTAG(ProjName, "LUFA AudioIn App");
BUTTLOADTAG(BuildTime, __TIME__);
BUTTLOADTAG(BuildDate, __DATE__);
BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);
/* Scheduler Task List */
TASK_LIST
{
{ Task: USB_USBTask , TaskStatus: TASK_STOP },
{ Task: USB_Audio_Task , TaskStatus: TASK_STOP },
};
/** Main program entry point. This routine configures the hardware required by the application, then
* starts the scheduler to run the application tasks.
*/
int main(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable Clock Division */
SetSystemClockPrescaler(0);
/* Hardware Initialization */
LEDs_Init();
ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
/* Start the ADC conversion in free running mode */
ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_CHANNEL);
/* Indicate USB not ready */
UpdateStatus(Status_USBNotReady);
/* Initialize Scheduler so that it can be used */
Scheduler_Init();
/* Initialize USB Subsystem */
USB_Init();
/* Scheduling - routine never returns, so put this last in the main function */
Scheduler_Start();
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs, and
* configures the sample update and PWM timers.
*/
EVENT_HANDLER(USB_Connect)
{
/* Start USB management task */
Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
/* Indicate USB enumerating */
UpdateStatus(Status_USBEnumerating);
/* Sample reload timer initialization */
OCR0A = (F_CPU / AUDIO_SAMPLE_FREQUENCY);
TCCR0A = (1 << WGM01); // CTC mode
TCCR0B = (1 << CS00); // Fcpu speed
}
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
* the status LEDs, disables the sample update and PWM output timers and stops the USB and Audio management tasks.
*/
EVENT_HANDLER(USB_Disconnect)
{
/* Stop the sample reload timer */
TCCR0B = 0;
/* Stop running audio and USB management tasks */
Scheduler_SetTaskMode(USB_Audio_Task, TASK_STOP);
Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
/* Indicate USB not ready */
UpdateStatus(Status_USBNotReady);
}
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
* of the USB device after enumeration - the device endpoints are configured.
*/
EVENT_HANDLER(USB_ConfigurationChanged)
{
/* Setup audio stream endpoint */
Endpoint_ConfigureEndpoint(AUDIO_STREAM_EPNUM, EP_TYPE_ISOCHRONOUS,
ENDPOINT_DIR_IN, AUDIO_STREAM_EPSIZE,
ENDPOINT_BANK_DOUBLE);
/* Indicate USB connected and ready */
UpdateStatus(Status_USBReady);
}
/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
* control requests that are not handled internally by the USB library (including the Audio class-specific
* requests) so that they can be handled appropriately for the application.
*/
EVENT_HANDLER(USB_UnhandledControlPacket)
{
/* Process General and Audio specific control requests */
switch (bRequest)
{
case REQ_SetInterface:
/* Set Interface is not handled by the library, as its function is application-specific */
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
{
uint16_t wValue = Endpoint_Read_Word_LE();
Endpoint_ClearSetupReceived();
/* Check if the host is enabling the audio interface (setting AlternateSetting to 1) */
if (wValue)
{
/* Start audio task */
Scheduler_SetTaskMode(USB_Audio_Task, TASK_RUN);
}
else
{
/* Stop audio task */
Scheduler_SetTaskMode(USB_Audio_Task, TASK_STOP);
}
/* Handshake the request */
Endpoint_ClearSetupIN();
}
break;
}
}
/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
* log to a serial port, or anything else that is suitable for status updates.
*
* \param CurrentStatus Current status of the system, from the AudioInput_StatusCodes_t enum
*/
void UpdateStatus(uint8_t CurrentStatus)
{
uint8_t LEDMask = LEDS_NO_LEDS;
/* Set the LED mask to the appropriate LED mask based on the given status code */
switch (CurrentStatus)
{
case Status_USBNotReady:
LEDMask = (LEDS_LED1);
break;
case Status_USBEnumerating:
LEDMask = (LEDS_LED1 | LEDS_LED2);
break;
case Status_USBReady:
LEDMask = (LEDS_LED2 | LEDS_LED4);
break;
}
/* Set the board LEDs to the new LED mask */
LEDs_SetAllLEDs(LEDMask);
}
/** Task to manage the Audio interface, reading in ADC samples from the microphone, and them to the host. */
TASK(USB_Audio_Task)
{
/* Select the audio stream endpoint */
Endpoint_SelectEndpoint(AUDIO_STREAM_EPNUM);
/* Check if the current endpoint can be read from (contains a packet) and that the next sample should be stored */
if (Endpoint_ReadWriteAllowed() && (TIFR0 & (1 << OCF0A)))
{
/* Clear the sample reload timer */
TIFR0 |= (1 << OCF0A);
/* Audio sample is ADC value scaled to fit the entire range */
int16_t AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
AudioSample -= (SAMPLE_MAX_RANGE / 2));
#endif
/* Write the sample to the buffer */
Endpoint_Write_Word_LE(AudioSample);
/* Check to see if the bank is now full */
if (!(Endpoint_ReadWriteAllowed()))
{
/* Send the full packet to the host */
Endpoint_ClearCurrentBank();
}
}
}

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/*
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
*
* Header file for AudioOutput.c.
*/
#ifndef _AUDIO_OUTPUT_H_
#define _AUDIO_OUTPUT_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include "Descriptors.h"
#include <LUFA/Version.h> // Library Version Information
#include <LUFA/Common/ButtLoadTag.h> // PROGMEM tags readable by the ButtLoad project
#include <LUFA/Drivers/USB/USB.h> // USB Functionality
#include <LUFA/Drivers/Board/LEDs.h> // LEDs driver
#include <LUFA/Drivers/AT90USBXXX/ADC.h> // ADC driver
#include <LUFA/Scheduler/Scheduler.h> // Simple scheduler for task management
/* Macros: */
/** ADC channel number for the microphone input. */
#define MIC_IN_ADC_CHANNEL 2
/** Maximum ADC sample value for the microphone input. */
#define SAMPLE_MAX_RANGE 0xFFFF
/** Maximum ADC range for the microphone input. */
#define ADC_MAX_RANGE 0x3FF
/* Enums: */
/** Enum for the possible status codes for passing to the UpdateStatus() function. */
enum AudioInput_StatusCodes_t
{
Status_USBNotReady = 0, /**< USB is not ready (disconnected from a USB host) */
Status_USBEnumerating = 1, /**< USB interface is enumerating */
Status_USBReady = 2, /**< USB interface is connected and ready */
};
/* Task Definitions: */
TASK(USB_Audio_Task);
/* Event Handlers: */
/** Indicates that this module will catch the USB_Connect event when thrown by the library. */
HANDLES_EVENT(USB_Connect);
/** Indicates that this module will catch the USB_Disconnect event when thrown by the library. */
HANDLES_EVENT(USB_Disconnect);
/** Indicates that this module will catch the USB_ConfigurationChanged event when thrown by the library. */
HANDLES_EVENT(USB_ConfigurationChanged);
/** Indicates that this module will catch the USB_UnhandledControlPacket event when thrown by the library. */
HANDLES_EVENT(USB_UnhandledControlPacket);
/* Function Prototypes: */
void UpdateStatus(uint8_t CurrentStatus);
#endif

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/** \file
*
* This file contains special DoxyGen information for the generation of the main page and other special
* documentation pages. It is not a project source file.
*/
/** \mainpage Audio Input Device Demo
*
* Audio demonstration application. This gives a simple reference
* application for implementing a USB Audio Input device using the
* basic USB Audio drivers in all modern OSes (i.e. no special drivers
* required).
*
* On startup the system will automatically enumerate and function
* as a USB microphone. Incomming audio from the ADC channel 1 will
* be sampled and sent to the host computer.
*
* To use, connect a microphone to the ADC channel 2.
*
* Under Windows, if a driver request dialogue pops up, select the option
* to automatically install the appropriate drivers.
*
*
* <table>
* <tr>
* <td><b>USB Mode:</b></td>
* <td>Device</td>
* </tr>
* <tr>
* <td><b>USB Class:</b></td>
* <td>Audio Class</td>
* </tr>
* <tr>
* <td><b>USB Subclass:</b></td>
* <td>Standard Audio Device</td>
* </tr>
* <tr>
* <td><b>Relevant Standards:</b></td>
* <td>USBIF Audio Class Specification</td>
* <td>USBIF Audio Class Terminal Types Specification</td>
* <td>USBIF Audio Data Formats Specification</td>
* </tr>
* <tr>
* <td><b>Usable Speeds:</b></td>
* <td>Full Speed Mode</td>
* </tr>
* </table>
*/

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/*
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"
/** 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(02.00),
Class: 0x00,
SubClass: 0x00,
Protocol: 0x00,
Endpoint0Size: 8,
VendorID: 0x03EB,
ProductID: 0x2047,
ReleaseNumber: 0x0000,
ManufacturerStrIndex: 0x01,
ProductStrIndex: 0x02,
SerialNumStrIndex: NO_DESCRIPTOR,
NumberOfConfigurations: 1
};
/** 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)
},
AudioControlInterface:
{
Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
InterfaceNumber: 0,
AlternateSetting: 0,
TotalEndpoints: 0,
Class: 0x01,
SubClass: 0x01,
Protocol: 0x00,
InterfaceStrIndex: NO_DESCRIPTOR
},
AudioControlInterface_SPC:
{
Header: {Size: sizeof(USB_AudioInterface_AC_t), Type: DTYPE_AudioInterface},
Subtype: DSUBTYPE_Header,
ACSpecification: VERSION_BCD(01.00),
TotalLength: (sizeof(USB_AudioInterface_AC_t) +
sizeof(USB_AudioInputTerminal_t) +
sizeof(USB_AudioOutputTerminal_t)),
InCollection: 1,
InterfaceNumbers: {1},
},
InputTerminal:
{
Header: {Size: sizeof(USB_AudioInputTerminal_t), Type: DTYPE_AudioInterface},
Subtype: DSUBTYPE_InputTerminal,
TerminalID: 0x01,
TerminalType: TERMINAL_IN_MIC,
AssociatedOutputTerminal: 0x00,
TotalChannels: 1,
ChannelConfig: 0,
ChannelStrIndex: NO_DESCRIPTOR,
TerminalStrIndex: NO_DESCRIPTOR
},
OutputTerminal:
{
Header: {Size: sizeof(USB_AudioOutputTerminal_t), Type: DTYPE_AudioInterface},
Subtype: DSUBTYPE_OutputTerminal,
TerminalID: 0x02,
TerminalType: TERMINAL_STREAMING,
AssociatedInputTerminal: 0x00,
SourceID: 0x01,
TerminalStrIndex: NO_DESCRIPTOR
},
AudioStreamInterface_Alt0:
{
Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
InterfaceNumber: 1,
AlternateSetting: 0,
TotalEndpoints: 0,
Class: 0x01,
SubClass: 0x02,
Protocol: 0x00,
InterfaceStrIndex: NO_DESCRIPTOR
},
AudioStreamInterface_Alt1:
{
Header: {Size: sizeof(USB_Descriptor_Interface_t), Type: DTYPE_Interface},
InterfaceNumber: 1,
AlternateSetting: 1,
TotalEndpoints: 1,
Class: 0x01,
SubClass: 0x02,
Protocol: 0x00,
InterfaceStrIndex: NO_DESCRIPTOR
},
AudioStreamInterface_SPC:
{
Header: {Size: sizeof(USB_AudioInterface_AS_t), Type: DTYPE_AudioInterface},
Subtype: DSUBTYPE_General,
TerminalLink: 0x02,
FrameDelay: 1,
AudioFormat: 0x0001
},
AudioFormat:
{
Header: {Size: sizeof(USB_AudioFormat_t), Type: DTYPE_AudioInterface},
Subtype: DSUBTYPE_Format,
FormatType: 0x01,
Channels: 0x01,
SubFrameSize: 0x02,
BitResolution: 16,
SampleFrequencyType: (sizeof(ConfigurationDescriptor.AudioFormat.SampleFrequencies) / sizeof(AudioSampleFreq_t)),
SampleFrequencies: {SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
},
AudioEndpoint:
{
Endpoint:
{
Header: {Size: sizeof(USB_AudioStreamEndpoint_Std_t), Type: DTYPE_Endpoint},
EndpointAddress: (ENDPOINT_DESCRIPTOR_DIR_IN | AUDIO_STREAM_EPNUM),
Attributes: (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA),
EndpointSize: AUDIO_STREAM_EPSIZE,
PollingIntervalMS: 1
},
Refresh: 0,
SyncEndpointNumber: 0
},
AudioEndpoint_SPC:
{
Header: {Size: sizeof(USB_AudioStreamEndpoint_Spc_t), Type: DTYPE_AudioEndpoint},
Subtype: DSUBTYPE_General,
Attributes: 0x00,
LockDelayUnits: 0x00,
LockDelay: 0x0000
}
};
/** 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(18), Type: DTYPE_String},
UnicodeString: L"LUFA Audio In Demo"
};
/** This function is called by the library when in device mode, and must be overridden (see StdDescriptors.h
* 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 recieves 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 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 = DESCRIPTOR_ADDRESS(DeviceDescriptor);
Size = sizeof(USB_Descriptor_Device_t);
break;
case DTYPE_Configuration:
Address = DESCRIPTOR_ADDRESS(ConfigurationDescriptor);
Size = sizeof(USB_Descriptor_Configuration_t);
break;
case DTYPE_String:
switch (DescriptorNumber)
{
case 0x00:
Address = DESCRIPTOR_ADDRESS(LanguageString);
Size = pgm_read_byte(&LanguageString.Header.Size);
break;
case 0x01:
Address = DESCRIPTOR_ADDRESS(ManufacturerString);
Size = pgm_read_byte(&ManufacturerString.Header.Size);
break;
case 0x02:
Address = DESCRIPTOR_ADDRESS(ProductString);
Size = pgm_read_byte(&ProductString.Header.Size);
break;
}
break;
}
*DescriptorAddress = Address;
return Size;
}

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/*
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
*
* Header file for Descriptors.c.
*/
#ifndef _DESCRIPTORS_H_
#define _DESCRIPTORS_H_
/* Includes: */
#include <LUFA/Drivers/USB/USB.h>
#include <avr/pgmspace.h>
/* Macros: */
/** Descriptor header constant to indicate a Audio class interface descriptor. */
#define DTYPE_AudioInterface 0x24
/** Descriptor header constant to indicate a Audio class endpoint descriptor. */
#define DTYPE_AudioEndpoint 0x25
/** Audio class descriptor subtype value for a Audio class specific header descriptor. */
#define DSUBTYPE_Header 0x01
/** Audio class descriptor subtype value for an Output Terminal Audio class specific descriptor. */
#define DSUBTYPE_InputTerminal 0x02
/** Audio class descriptor subtype value for an Input Terminal Audio class specific descriptor. */
#define DSUBTYPE_OutputTerminal 0x03
/** Audio class descriptor subtype value for a Feature Unit Audio class specific descriptor. */
#define DSUBTYPE_FeatureUnit 0x06
/** Audio class descriptor subtype value for a general Audio class specific descriptor. */
#define DSUBTYPE_General 0x01
/** Audio class descriptor subtype value for an Audio class specific descriptor indicating the format of an audio stream. */
#define DSUBTYPE_Format 0x02
//@{
/** Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details. */
#define CHANNEL_LEFT_FRONT (1 << 0)
#define CHANNEL_RIGHT_FRONT (1 << 1)
#define CHANNEL_CENTER_FRONT (1 << 2)
#define CHANNEL_LOW_FREQ_ENHANCE (1 << 3)
#define CHANNEL_LEFT_SURROUND (1 << 4)
#define CHANNEL_RIGHT_SURROUND (1 << 5)
#define CHANNEL_LEFT_OF_CENTER (1 << 6)
#define CHANNEL_RIGHT_OF_CENTER (1 << 7)
#define CHANNEL_SURROUND (1 << 8)
#define CHANNEL_SIDE_LEFT (1 << 9)
#define CHANNEL_SIDE_RIGHT (1 << 10)
#define CHANNEL_TOP (1 << 11)
//@}
//@{
/** Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details. */
#define FEATURE_MUTE (1 << 0)
#define FEATURE_VOLUME (1 << 1)
#define FEATURE_BASS (1 << 2)
#define FEATURE_MID (1 << 3)
#define FEATURE_TREBLE (1 << 4)
#define FEATURE_GRAPHIC_EQUALIZER (1 << 5)
#define FEATURE_AUTOMATIC_GAIN (1 << 6)
#define FEATURE_DELAY (1 << 7)
#define FEATURE_BASS_BOOST (1 << 8)
#define FEATURE_BASS_LOUDNESS (1 << 9)
//@}
//@{
/** Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details. */
#define TERMINAL_UNDEFINED 0x0100
#define TERMINAL_STREAMING 0x0101
#define TERMINAL_VENDOR 0x01FF
#define TERMINAL_IN_UNDEFINED 0x0200
#define TERMINAL_IN_MIC 0x0201
#define TERMINAL_IN_DESKTOP_MIC 0x0202
#define TERMINAL_IN_PERSONAL_MIC 0x0203
#define TERMINAL_IN_OMNIDIR_MIC 0x0204
#define TERMINAL_IN_MIC_ARRAY 0x0205
#define TERMINAL_IN_PROCESSING_MIC 0x0206
#define TERMINAL_IN_OUT_UNDEFINED 0x0300
#define TERMINAL_OUT_SPEAKER 0x0301
#define TERMINAL_OUT_HEADPHONES 0x0302
#define TERMINAL_OUT_HEAD_MOUNTED 0x0303
#define TERMINAL_OUT_DESKTOP 0x0304
#define TERMINAL_OUT_ROOM 0x0305
#define TERMINAL_OUT_COMMUNICATION 0x0306
#define TERMINAL_OUT_LOWFREQ 0x0307
//@}
/** Convenience macro, to fill a 24-bit AudioSampleFreq_t structure with the given sample rate as a 24-bit number.
*
* \param freq Required audio sampling frequency in HZ
*/
#define SAMPLE_FREQ(freq) {LowWord: ((uint32_t)freq & 0x00FFFF), HighByte: (((uint32_t)freq >> 16) & 0x0000FF)}
/** Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint
* accepts only filled endpoint packets of audio samples.
*/
#define EP_ACCEPTS_ONLY_FULL_PACKETS (1 << 7)
/** Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint
* will accept partially filled endpoint packets of audio samples.
*/
#define EP_ACCEPTS_SMALL_PACKETS (0 << 7)
#if defined(USB_FULL_CONTROLLER) || defined(__DOXYGEN__)
/** Endpoint number of the Audio isochronous streaming data endpoint. */
#define AUDIO_STREAM_EPNUM 1
#else
#define AUDIO_STREAM_EPNUM 3
#endif
/** Endpoint size in bytes of the Audio isochronous streaming data endpoint. The Windows audio stack requires
* at least 192 bytes for correct output, thus the smaller 128 byte maximum endpoint size on some of the smaller
* USB AVR models will result in unavoidable distorted output.
*/
#define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM)
/** Sample frequency of the data being transmitted through the streaming endpoint. */
#define AUDIO_SAMPLE_FREQUENCY 48000
/* Type Defines: */
/** Type define for an Audio class specific interface descriptor. This follows a regular interface descriptor to
* supply extra information about the audio device's layout to the host. See the USB Audio specification for more
* details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint16_t ACSpecification; /**< Binary coded decimal value, indicating the supported Audio Class specification version */
uint16_t TotalLength; /**< Total length of the Audio class specific descriptors, including this descriptor */
uint8_t InCollection; /**< Total number of audio class interfaces within this device */
uint8_t InterfaceNumbers[1]; /**< Interface numbers of each audio interface */
} USB_AudioInterface_AC_t;
/** Type define for an Audio class specific Feature Unit descriptor. This indicates to the host what features
* are present in the device's audio stream for basic control, such as per-channel volume. See the USB Audio
* specification for more details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint8_t UnitID; /**< ID value of this feature unit - must be a unique value within the device */
uint8_t SourceID; /**< Source ID value of the audio source input into this feature unit */
uint8_t ControlSize; /**< Size of each element in the ChanelControlls array */
uint8_t ChannelControls[3]; /**< Feature masks for the control channel, and each seperate audio channel */
uint8_t FeatureUnitStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
} USB_AudioFeatureUnit_t;
/** Type define for an Audio class specific input terminal descriptor. This indicates to the host that the device
* contains an input audio source, either from a physical terminal on the device, or a logical terminal (for example,
* a USB endpoint). See the USB Audio specification for more details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint8_t TerminalID; /**< ID value of this terminal unit - must be a unique value within the device */
uint16_t TerminalType; /**< Type of terminal, a TERMINAL_* mask */
uint8_t AssociatedOutputTerminal; /**< ID of associated output terminal, for physically grouped terminals
* such as the speaker and microphone of a phone handset
*/
uint8_t TotalChannels; /**< Total number of seperate audio channels within this interface (right, left, etc.) */
uint16_t ChannelConfig; /**< CHANNEL_* masks indicating what channel layout is supported by this terminal */
uint8_t ChannelStrIndex; /**< Index of a string descriptor describing this channel within the device */
uint8_t TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
} USB_AudioInputTerminal_t;
/** Type define for an Audio class specific output terminal descriptor. This indicates to the host that the device
* contains an output audio sink, either to a physical terminal on the device, or a logical terminal (for example,
* a USB endpoint). See the USB Audio specification for more details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint8_t TerminalID; /**< ID value of this terminal unit - must be a unique value within the device */
uint16_t TerminalType; /**< Type of terminal, a TERMINAL_* mask */
uint8_t AssociatedInputTerminal; /**< ID of associated input terminal, for physically grouped terminals
* such as the speaker and microphone of a phone handset
*/
uint8_t SourceID; /**< ID value of the unit this terminal's audio is sourced from */
uint8_t TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device */
} USB_AudioOutputTerminal_t;
/** Type define for an Audio class specific streaming interface descriptor. This indicates to the host
* how audio streams within the device are formatted. See the USB Audio specification for more details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint8_t TerminalLink; /**< ID value of the output terminal this descriptor is describing */
uint8_t FrameDelay; /**< Delay in frames resulting from the complete sample processing from input to output */
uint16_t AudioFormat; /**< Format of the audio stream, see Audio Device Formats specification */
} USB_AudioInterface_AS_t;
/** Type define for a 24bit audio sample frequency structure. GCC does not contain a built in 24bit datatype,
* this this structure is used to build up the value instead. Fill this structure with the SAMPLE_FREQ() macro.
*/
typedef struct
{
uint16_t LowWord; /**< Low 16 bits of the 24-bit value */
uint8_t HighByte; /**< Upper 8 bits of the 24-bit value */
} AudioSampleFreq_t;
/** Type define for an Audio class specific audio format descriptor. This is used to give the host full details
* about the number of channels, the sample resolution, acceptable sample frequencies and encoding method used
* in the device's audio streams. See the USB Audio specification for more details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint8_t FormatType; /**< Format of the audio stream, see Audio Device Formats specification */
uint8_t Channels; /**< Total number of discrete channels in the stream */
uint8_t SubFrameSize; /**< Size in bytes of each channel's sample data in the stream */
uint8_t BitResolution; /**< Bits of resolution of each channel's samples in the stream */
uint8_t SampleFrequencyType; /**< Total number of sample frequencies supported by the device */
AudioSampleFreq_t SampleFrequencies[1]; /**< Sample frequencies supported by the device */
} USB_AudioFormat_t;
/** Type define for an Audio class specific endpoint descriptor. This contains a regular endpoint
* descriptor with a few Audio-class specific extensions. See the USB Audio specification for more details.
*/
typedef struct
{
USB_Descriptor_Endpoint_t Endpoint; /**< Standard endpoint descriptor describing the audio endpoint */
uint8_t Refresh; /**< Always set to zero */
uint8_t SyncEndpointNumber; /**< Endpoint address to send synchronisation information to, if needed (zero otherwise) */
} USB_AudioStreamEndpoint_Std_t;
/** Type define for an Audio class specific extended endpoint descriptor. This contains extra information
* on the usage of endpoints used to stream audio in and out of the USB Audio device, and follows an Audio
* class specific extended endpoint descriptor. See the USB Audio specification for more details.
*/
typedef struct
{
USB_Descriptor_Header_t Header; /**< Regular descriptor header containing the descriptor's type and length */
uint8_t Subtype; /**< Sub type value used to distinguish between audio class specific descriptors */
uint8_t Attributes; /**< Audio class specific endpoint attributes, such as ACCEPTS_SMALL_PACKETS */
uint8_t LockDelayUnits; /**< Units used for the LockDelay field, see Audio class specification */
uint16_t LockDelay; /**< Time required to internally lock endpoint's internal clock recovery circuitry */
} USB_AudioStreamEndpoint_Spc_t;
/** Type define for the device configuration descriptor structure. This must be defined in the
* application code, as the configuration descriptor contains several sub-descriptors which
* vary between devices, and which describe the device's usage to the host.
*/
typedef struct
{
USB_Descriptor_Configuration_Header_t Config;
USB_Descriptor_Interface_t AudioControlInterface;
USB_AudioInterface_AC_t AudioControlInterface_SPC;
USB_AudioInputTerminal_t InputTerminal;
USB_AudioOutputTerminal_t OutputTerminal;
USB_Descriptor_Interface_t AudioStreamInterface_Alt0;
USB_Descriptor_Interface_t AudioStreamInterface_Alt1;
USB_AudioInterface_AS_t AudioStreamInterface_SPC;
USB_AudioFormat_t AudioFormat;
USB_AudioStreamEndpoint_Std_t AudioEndpoint;
USB_AudioStreamEndpoint_Spc_t AudioEndpoint_SPC;
} USB_Descriptor_Configuration_t;
/* Function Prototypes: */
uint16_t USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
#endif

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# Hey Emacs, this is a -*- makefile -*-
#----------------------------------------------------------------------------
# WinAVR Makefile Template written by Eric B. Weddington, Jörg Wunsch, et al.
# >> Modified for use with the LUFA project. <<
#
# Released to the Public Domain
#
# Additional material for this makefile was written by:
# Peter Fleury
# Tim Henigan
# Colin O'Flynn
# Reiner Patommel
# Markus Pfaff
# Sander Pool
# Frederik Rouleau
# Carlos Lamas
# Dean Camera
# Opendous Inc.
# Denver Gingerich
#
#----------------------------------------------------------------------------
# On command line:
#
# make all = Make software.
#
# make clean = Clean out built project files.
#
# make coff = Convert ELF to AVR COFF.
#
# make extcoff = Convert ELF to AVR Extended COFF.
#
# make program = Download the hex file to the device, using avrdude.
# Please customize the avrdude settings below first!
#
# make dfu = Download the hex file to the device, using dfu-programmer (must
# have dfu-programmer installed).
#
# make flip = Download the hex file to the device, using Atmel FLIP (must
# have Atmel FLIP installed).
#
# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
# (must have dfu-programmer installed).
#
# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
# (must have Atmel FLIP installed).
#
# make doxygen = Generate DoxyGen documentation for the project (must have
# DoxyGen installed)
#
# make debug = Start either simulavr or avarice as specified for debugging,
# with avr-gdb or avr-insight as the front end for debugging.
#
# make filename.s = Just compile filename.c into the assembler code only.
#
# make filename.i = Create a preprocessed source file for use in submitting
# bug reports to the GCC project.
#
# To rebuild project do "make clean" then "make all".
#----------------------------------------------------------------------------
# MCU name
MCU = at90usb1287
# Target board (see library BoardTypes.h documentation, USER or blank for projects not requiring
# LUFA board drivers). If USER is selected, put custom board drivers in a directory called
# "Board" inside the application directory.
BOARD = USBKEY
# Processor frequency.
# This will define a symbol, F_CPU, in all source code files equal to the
# processor frequency. You can then use this symbol in your source code to
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
# automatically to create a 32-bit value in your source code.
# Typical values are:
# F_CPU = 1000000
# F_CPU = 1843200
# F_CPU = 2000000
# F_CPU = 3686400
# F_CPU = 4000000
# F_CPU = 7372800
# F_CPU = 8000000
# F_CPU = 11059200
# F_CPU = 14745600
# F_CPU = 16000000
# F_CPU = 18432000
# F_CPU = 20000000
F_CPU = 8000000
# Output format. (can be srec, ihex, binary)
FORMAT = ihex
# Target file name (without extension).
TARGET = AudioInput
# Object files directory
# To put object files in current directory, use a dot (.), do NOT make
# this an empty or blank macro!
OBJDIR = .
# List C source files here. (C dependencies are automatically generated.)
SRC = $(TARGET).c \
Descriptors.c \
../../LUFA/Scheduler/Scheduler.c \
../../LUFA/Drivers/USB/LowLevel/LowLevel.c \
../../LUFA/Drivers/USB/LowLevel/Endpoint.c \
../../LUFA/Drivers/USB/LowLevel/DevChapter9.c \
../../LUFA/Drivers/USB/HighLevel/USBTask.c \
../../LUFA/Drivers/USB/HighLevel/USBInterrupt.c \
../../LUFA/Drivers/USB/HighLevel/Events.c \
../../LUFA/Drivers/USB/HighLevel/StdDescriptors.c \
# List C++ source files here. (C dependencies are automatically generated.)
CPPSRC =
# List Assembler source files here.
# Make them always end in a capital .S. Files ending in a lowercase .s
# will not be considered source files but generated files (assembler
# output from the compiler), and will be deleted upon "make clean"!
# Even though the DOS/Win* filesystem matches both .s and .S the same,
# it will preserve the spelling of the filenames, and gcc itself does
# care about how the name is spelled on its command-line.
ASRC =
# Optimization level, can be [0, 1, 2, 3, s].
# 0 = turn off optimization. s = optimize for size.
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
OPT = s
# Debugging format.
# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
# AVR Studio 4.10 requires dwarf-2.
# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
DEBUG = dwarf-2
# List any extra directories to look for include files here.
# Each directory must be seperated by a space.
# Use forward slashes for directory separators.
# For a directory that has spaces, enclose it in quotes.
EXTRAINCDIRS = ../../
# Compiler flag to set the C Standard level.
# c89 = "ANSI" C
# gnu89 = c89 plus GCC extensions
# c99 = ISO C99 standard (not yet fully implemented)
# gnu99 = c99 plus GCC extensions
CSTANDARD = -std=gnu99
# Place -D or -U options here for C sources
CDEFS = -DF_CPU=$(F_CPU)UL -DBOARD=BOARD_$(BOARD) -DUSE_NONSTANDARD_DESCRIPTOR_NAMES -DNO_STREAM_CALLBACKS
CDEFS += -DUSB_DEVICE_ONLY -DUSE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
# Place -D or -U options here for ASM sources
ADEFS = -DF_CPU=$(F_CPU)
# Place -D or -U options here for C++ sources
CPPDEFS = -DF_CPU=$(F_CPU)UL
#CPPDEFS += -D__STDC_LIMIT_MACROS
#CPPDEFS += -D__STDC_CONSTANT_MACROS
#---------------- Compiler Options C ----------------
# -g*: generate debugging information
# -O*: optimization level
# -f...: tuning, see GCC manual and avr-libc documentation
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns...: create assembler listing
CFLAGS = -g$(DEBUG)
CFLAGS += $(CDEFS)
CFLAGS += -O$(OPT)
CFLAGS += -funsigned-char
CFLAGS += -funsigned-bitfields
CFLAGS += -ffunction-sections
CFLAGS += -fpack-struct
CFLAGS += -fshort-enums
CFLAGS += -finline-limit=20
CFLAGS += -Wall
CFLAGS += -Wstrict-prototypes
CFLAGS += -Wundef
#CFLAGS += -fno-unit-at-a-time
#CFLAGS += -Wunreachable-code
#CFLAGS += -Wsign-compare
CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
CFLAGS += $(CSTANDARD)
#---------------- Compiler Options C++ ----------------
# -g*: generate debugging information
# -O*: optimization level
# -f...: tuning, see GCC manual and avr-libc documentation
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns...: create assembler listing
CPPFLAGS = -g$(DEBUG)
CPPFLAGS += $(CPPDEFS)
CPPFLAGS += -O$(OPT)
CPPFLAGS += -funsigned-char
CPPFLAGS += -funsigned-bitfields
CPPFLAGS += -fpack-struct
CPPFLAGS += -fshort-enums
CPPFLAGS += -fno-exceptions
CPPFLAGS += -Wall
CFLAGS += -Wundef
#CPPFLAGS += -mshort-calls
#CPPFLAGS += -fno-unit-at-a-time
#CPPFLAGS += -Wstrict-prototypes
#CPPFLAGS += -Wunreachable-code
#CPPFLAGS += -Wsign-compare
CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)
CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
#CPPFLAGS += $(CSTANDARD)
#---------------- Assembler Options ----------------
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns: create listing
# -gstabs: have the assembler create line number information; note that
# for use in COFF files, additional information about filenames
# and function names needs to be present in the assembler source
# files -- see avr-libc docs [FIXME: not yet described there]
# -listing-cont-lines: Sets the maximum number of continuation lines of hex
# dump that will be displayed for a given single line of source input.
ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100
#---------------- Library Options ----------------
# Minimalistic printf version
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
# Floating point printf version (requires MATH_LIB = -lm below)
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
# If this is left blank, then it will use the Standard printf version.
PRINTF_LIB =
#PRINTF_LIB = $(PRINTF_LIB_MIN)
#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
# Minimalistic scanf version
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
# If this is left blank, then it will use the Standard scanf version.
SCANF_LIB =
#SCANF_LIB = $(SCANF_LIB_MIN)
#SCANF_LIB = $(SCANF_LIB_FLOAT)
MATH_LIB = -lm
# List any extra directories to look for libraries here.
# Each directory must be seperated by a space.
# Use forward slashes for directory separators.
# For a directory that has spaces, enclose it in quotes.
EXTRALIBDIRS =
#---------------- External Memory Options ----------------
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
# used for variables (.data/.bss) and heap (malloc()).
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
# only used for heap (malloc()).
#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
EXTMEMOPTS =
#---------------- Linker Options ----------------
# -Wl,...: tell GCC to pass this to linker.
# -Map: create map file
# --cref: add cross reference to map file
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
LDFLAGS += -Wl,--relax
LDFLAGS += -Wl,--gc-sections
LDFLAGS += $(EXTMEMOPTS)
LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
#LDFLAGS += -T linker_script.x
#---------------- Programming Options (avrdude) ----------------
# Programming hardware: alf avr910 avrisp bascom bsd
# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
#
# Type: avrdude -c ?
# to get a full listing.
#
AVRDUDE_PROGRAMMER = jtagmkII
# com1 = serial port. Use lpt1 to connect to parallel port.
AVRDUDE_PORT = usb
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
# Uncomment the following if you want avrdude's erase cycle counter.
# Note that this counter needs to be initialized first using -Yn,
# see avrdude manual.
#AVRDUDE_ERASE_COUNTER = -y
# Uncomment the following if you do /not/ wish a verification to be
# performed after programming the device.
#AVRDUDE_NO_VERIFY = -V
# Increase verbosity level. Please use this when submitting bug
# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
# to submit bug reports.
#AVRDUDE_VERBOSE = -v -v
AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
#---------------- Debugging Options ----------------
# For simulavr only - target MCU frequency.
DEBUG_MFREQ = $(F_CPU)
# Set the DEBUG_UI to either gdb or insight.
# DEBUG_UI = gdb
DEBUG_UI = insight
# Set the debugging back-end to either avarice, simulavr.
DEBUG_BACKEND = avarice
#DEBUG_BACKEND = simulavr
# GDB Init Filename.
GDBINIT_FILE = __avr_gdbinit
# When using avarice settings for the JTAG
JTAG_DEV = /dev/com1
# Debugging port used to communicate between GDB / avarice / simulavr.
DEBUG_PORT = 4242
# Debugging host used to communicate between GDB / avarice / simulavr, normally
# just set to localhost unless doing some sort of crazy debugging when
# avarice is running on a different computer.
DEBUG_HOST = localhost
#============================================================================
# Define programs and commands.
SHELL = sh
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
AR = avr-ar rcs
NM = avr-nm
AVRDUDE = avrdude
REMOVE = rm -f
REMOVEDIR = rm -rf
COPY = cp
WINSHELL = cmd
# Define Messages
# English
MSG_ERRORS_NONE = Errors: none
MSG_BEGIN = -------- begin --------
MSG_END = -------- end --------
MSG_SIZE_BEFORE = Size before:
MSG_SIZE_AFTER = Size after:
MSG_COFF = Converting to AVR COFF:
MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
MSG_FLASH = Creating load file for Flash:
MSG_EEPROM = Creating load file for EEPROM:
MSG_EXTENDED_LISTING = Creating Extended Listing:
MSG_SYMBOL_TABLE = Creating Symbol Table:
MSG_LINKING = Linking:
MSG_COMPILING = Compiling C:
MSG_COMPILING_CPP = Compiling C++:
MSG_ASSEMBLING = Assembling:
MSG_CLEANING = Cleaning project:
MSG_CREATING_LIBRARY = Creating library:
# Define all object files.
OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
# Define all listing files.
LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
# Compiler flags to generate dependency files.
GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
# Default target.
all: begin gccversion sizebefore build checkhooks checklibmode sizeafter end
# Change the build target to build a HEX file or a library.
build: elf hex eep lss sym
#build: lib
elf: $(TARGET).elf
hex: $(TARGET).hex
eep: $(TARGET).eep
lss: $(TARGET).lss
sym: $(TARGET).sym
LIBNAME=lib$(TARGET).a
lib: $(LIBNAME)
# Eye candy.
# AVR Studio 3.x does not check make's exit code but relies on
# the following magic strings to be generated by the compile job.
begin:
@echo
@echo $(MSG_BEGIN)
end:
@echo $(MSG_END)
@echo
# Display size of file.
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
sizebefore:
@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
2>/dev/null; echo; fi
sizeafter:
@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
2>/dev/null; echo; fi
checkhooks: build
@echo
@echo ------- Unhooked LUFA Events -------
@$(shell) (grep -s '^Event.*LUFA/.*\\.o' $(TARGET).map | \
cut -d' ' -f1 | cut -d'_' -f2- | grep ".*") || \
echo "(None)"
@echo ----- End Unhooked LUFA Events -----
checklibmode:
@echo
@echo ----------- Library Mode -----------
@$(shell) ($(CC) $(ALL_CFLAGS) -E -dM - < /dev/null \
| grep 'USB_\(DEVICE\|HOST\)_ONLY' | cut -d' ' -f2 | grep ".*") \
|| echo "No specific mode (both device and host mode allowable)."
@echo ------------------------------------
# Display compiler version information.
gccversion :
@$(CC) --version
# Program the device.
program: $(TARGET).hex $(TARGET).eep
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
flip: $(TARGET).hex
batchisp -hardware usb -device $(MCU) -operation erase f
batchisp -hardware usb -device $(MCU) -operation loadbuffer $(TARGET).hex program
batchisp -hardware usb -device $(MCU) -operation start reset 0
dfu: $(TARGET).hex
dfu-programmer $(MCU) erase
dfu-programmer $(MCU) flash --debug 1 $(TARGET).hex
dfu-programmer $(MCU) reset
flip-ee: $(TARGET).hex $(TARGET).eep
copy $(TARGET).eep $(TARGET)eep.hex
batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase
batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(TARGET)eep.hex program
batchisp -hardware usb -device $(MCU) -operation start reset 0
dfu-ee: $(TARGET).hex $(TARGET).eep
dfu-programmer $(MCU) erase
dfu-programmer $(MCU) eeprom --debug 1 $(TARGET).eep
dfu-programmer $(MCU) reset
# Generate avr-gdb config/init file which does the following:
# define the reset signal, load the target file, connect to target, and set
# a breakpoint at main().
gdb-config:
@$(REMOVE) $(GDBINIT_FILE)
@echo define reset >> $(GDBINIT_FILE)
@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
@echo end >> $(GDBINIT_FILE)
@echo file $(TARGET).elf >> $(GDBINIT_FILE)
@echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
ifeq ($(DEBUG_BACKEND),simulavr)
@echo load >> $(GDBINIT_FILE)
endif
@echo break main >> $(GDBINIT_FILE)
debug: gdb-config $(TARGET).elf
ifeq ($(DEBUG_BACKEND), avarice)
@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
@$(WINSHELL) /c pause
else
@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
$(DEBUG_MFREQ) --port $(DEBUG_PORT)
endif
@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
COFFCONVERT = $(OBJCOPY) --debugging
COFFCONVERT += --change-section-address .data-0x800000
COFFCONVERT += --change-section-address .bss-0x800000
COFFCONVERT += --change-section-address .noinit-0x800000
COFFCONVERT += --change-section-address .eeprom-0x810000
coff: $(TARGET).elf
@echo
@echo $(MSG_COFF) $(TARGET).cof
$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
extcoff: $(TARGET).elf
@echo
@echo $(MSG_EXTENDED_COFF) $(TARGET).cof
$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
# Create final output files (.hex, .eep) from ELF output file.
%.hex: %.elf
@echo
@echo $(MSG_FLASH) $@
$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
%.eep: %.elf
@echo
@echo $(MSG_EEPROM) $@
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
# Create extended listing file from ELF output file.
%.lss: %.elf
@echo
@echo $(MSG_EXTENDED_LISTING) $@
$(OBJDUMP) -h -z -S $< > $@
# Create a symbol table from ELF output file.
%.sym: %.elf
@echo
@echo $(MSG_SYMBOL_TABLE) $@
$(NM) -n $< > $@
# Create library from object files.
.SECONDARY : $(TARGET).a
.PRECIOUS : $(OBJ)
%.a: $(OBJ)
@echo
@echo $(MSG_CREATING_LIBRARY) $@
$(AR) $@ $(OBJ)
# Link: create ELF output file from object files.
.SECONDARY : $(TARGET).elf
.PRECIOUS : $(OBJ)
%.elf: $(OBJ)
@echo
@echo $(MSG_LINKING) $@
$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
# Compile: create object files from C source files.
$(OBJDIR)/%.o : %.c
@echo
@echo $(MSG_COMPILING) $<
$(CC) -c $(ALL_CFLAGS) $< -o $@
# Compile: create object files from C++ source files.
$(OBJDIR)/%.o : %.cpp
@echo
@echo $(MSG_COMPILING_CPP) $<
$(CC) -c $(ALL_CPPFLAGS) $< -o $@
# Compile: create assembler files from C source files.
%.s : %.c
$(CC) -S $(ALL_CFLAGS) $< -o $@
# Compile: create assembler files from C++ source files.
%.s : %.cpp
$(CC) -S $(ALL_CPPFLAGS) $< -o $@
# Assemble: create object files from assembler source files.
$(OBJDIR)/%.o : %.S
@echo
@echo $(MSG_ASSEMBLING) $<
$(CC) -c $(ALL_ASFLAGS) $< -o $@
# Create preprocessed source for use in sending a bug report.
%.i : %.c
$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
# Target: clean project.
clean: begin clean_list clean_binary end
clean_binary:
$(REMOVE) $(TARGET).hex
clean_list:
@echo $(MSG_CLEANING)
$(REMOVE) $(TARGET).eep
$(REMOVE) $(TARGET).cof
$(REMOVE) $(TARGET).elf
$(REMOVE) $(TARGET).map
$(REMOVE) $(TARGET).sym
$(REMOVE) $(TARGET).lss
$(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o)
$(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst)
$(REMOVE) $(SRC:.c=.s)
$(REMOVE) $(SRC:.c=.d)
$(REMOVE) $(SRC:.c=.i)
$(REMOVEDIR) .dep
doxygen:
@echo Generating Project Documentation...
@doxygen Doxygen.conf
@echo Documentation Generation Complete.
clean_doxygen:
rm -rf Documentation
# Create object files directory
$(shell mkdir $(OBJDIR) 2>/dev/null)
# Include the dependency files.
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
# Listing of phony targets.
.PHONY : all checkhooks checklibmode begin \
finish end sizebefore sizeafter gccversion \
build elf hex eep lss sym coff extcoff \
clean clean_list clean_binary program debug \
gdb-config doxygen dfu flip