diff options
| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-12-03 03:51:46 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-12-03 03:51:46 +0000 |
| commit | 8a7351c760b30077f562795500d88908e4da1932 (patch) | |
| tree | ee52523bd56d6b188b1b2c94f1b9a87d1d649821 /Projects/MIDIToneGenerator | |
| parent | b20d25854d7134ed5c73bfcd852a6e3e4febdc0b (diff) | |
| download | lufa-8a7351c760b30077f562795500d88908e4da1932.tar.gz lufa-8a7351c760b30077f562795500d88908e4da1932.tar.bz2 lufa-8a7351c760b30077f562795500d88908e4da1932.zip | |
Added new completed MIDIToneGenerator project.
Diffstat (limited to 'Projects/MIDIToneGenerator')
| -rw-r--r-- | Projects/MIDIToneGenerator/Descriptors.c | 329 | ||||
| -rw-r--r-- | Projects/MIDIToneGenerator/Descriptors.h | 83 | ||||
| -rw-r--r-- | Projects/MIDIToneGenerator/MIDIToneGenerator.c | 244 | ||||
| -rw-r--r-- | Projects/MIDIToneGenerator/MIDIToneGenerator.h | 108 | ||||
| -rw-r--r-- | Projects/MIDIToneGenerator/MIDIToneGenerator.txt | 73 | ||||
| -rw-r--r-- | Projects/MIDIToneGenerator/makefile | 713 |
6 files changed, 1550 insertions, 0 deletions
diff --git a/Projects/MIDIToneGenerator/Descriptors.c b/Projects/MIDIToneGenerator/Descriptors.c new file mode 100644 index 000000000..505ea4aef --- /dev/null +++ b/Projects/MIDIToneGenerator/Descriptors.c @@ -0,0 +1,329 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2010 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 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 = USB_CSCP_NoDeviceClass,
+ .SubClass = USB_CSCP_NoDeviceSubclass,
+ .Protocol = USB_CSCP_NoDeviceProtocol,
+
+ .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
+
+ .VendorID = 0x03EB,
+ .ProductID = 0x2048,
+ .ReleaseNumber = VERSION_BCD(00.01),
+
+ .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 = 2,
+
+ .ConfigurationNumber = 1,
+ .ConfigurationStrIndex = NO_DESCRIPTOR,
+
+ .ConfigAttributes = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
+
+ .MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
+ },
+
+ .Audio_ControlInterface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = 0,
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 0,
+
+ .Class = AUDIO_CSCP_AudioClass,
+ .SubClass = AUDIO_CSCP_ControlSubclass,
+ .Protocol = AUDIO_CSCP_ControlProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .Audio_ControlInterface_SPC =
+ {
+ .Header = {.Size = sizeof(USB_Audio_Descriptor_Interface_AC_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_Header,
+
+ .ACSpecification = VERSION_BCD(01.00),
+ .TotalLength = sizeof(USB_Audio_Descriptor_Interface_AC_t),
+
+ .InCollection = 1,
+ .InterfaceNumber = 1,
+ },
+
+ .Audio_StreamInterface =
+ {
+ .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+ .InterfaceNumber = 1,
+ .AlternateSetting = 0,
+
+ .TotalEndpoints = 2,
+
+ .Class = AUDIO_CSCP_AudioClass,
+ .SubClass = AUDIO_CSCP_MIDIStreamingSubclass,
+ .Protocol = AUDIO_CSCP_StreamingProtocol,
+
+ .InterfaceStrIndex = NO_DESCRIPTOR
+ },
+
+ .Audio_StreamInterface_SPC =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_AudioInterface_AS_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_General,
+
+ .AudioSpecification = VERSION_BCD(01.00),
+
+ .TotalLength = (sizeof(USB_Descriptor_Configuration_t) -
+ offsetof(USB_Descriptor_Configuration_t, Audio_StreamInterface_SPC))
+ },
+
+ .MIDI_In_Jack_Emb =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
+
+ .JackType = MIDI_JACKTYPE_Embedded,
+ .JackID = 0x01,
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_In_Jack_Ext =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
+
+ .JackType = MIDI_JACKTYPE_External,
+ .JackID = 0x02,
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_Out_Jack_Emb =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
+
+ .JackType = MIDI_JACKTYPE_Embedded,
+ .JackID = 0x03,
+
+ .NumberOfPins = 1,
+ .SourceJackID = {0x02},
+ .SourcePinID = {0x01},
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_Out_Jack_Ext =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface},
+ .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
+
+ .JackType = MIDI_JACKTYPE_External,
+ .JackID = 0x04,
+
+ .NumberOfPins = 1,
+ .SourceJackID = {0x01},
+ .SourcePinID = {0x01},
+
+ .JackStrIndex = NO_DESCRIPTOR
+ },
+
+ .MIDI_In_Jack_Endpoint =
+ {
+ .Endpoint =
+ {
+ .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_OUT | MIDI_STREAM_OUT_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = MIDI_STREAM_EPSIZE,
+ .PollingIntervalMS = 0x01
+ },
+
+ .Refresh = 0,
+ .SyncEndpointNumber = 0
+ },
+
+ .MIDI_In_Jack_Endpoint_SPC =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint},
+ .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
+
+ .TotalEmbeddedJacks = 0x01,
+ .AssociatedJackID = {0x01}
+ },
+
+ .MIDI_Out_Jack_Endpoint =
+ {
+ .Endpoint =
+ {
+ .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
+
+ .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | MIDI_STREAM_IN_EPNUM),
+ .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+ .EndpointSize = MIDI_STREAM_EPSIZE,
+ .PollingIntervalMS = 0x01
+ },
+
+ .Refresh = 0,
+ .SyncEndpointNumber = 0
+ },
+
+ .MIDI_Out_Jack_Endpoint_SPC =
+ {
+ .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint},
+ .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
+
+ .TotalEmbeddedJacks = 0x01,
+ .AssociatedJackID = {0x03}
+ }
+};
+
+/** 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(14), .Type = DTYPE_String},
+
+ .UnicodeString = L"LUFA MIDI 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,
+ 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:
+ switch (DescriptorNumber)
+ {
+ case 0x00:
+ Address = &LanguageString;
+ Size = pgm_read_byte(&LanguageString.Header.Size);
+ break;
+ case 0x01:
+ Address = &ManufacturerString;
+ Size = pgm_read_byte(&ManufacturerString.Header.Size);
+ break;
+ case 0x02:
+ Address = &ProductString;
+ Size = pgm_read_byte(&ProductString.Header.Size);
+ break;
+ }
+
+ break;
+ }
+
+ *DescriptorAddress = Address;
+ return Size;
+}
+
diff --git a/Projects/MIDIToneGenerator/Descriptors.h b/Projects/MIDIToneGenerator/Descriptors.h new file mode 100644 index 000000000..b56fb6ff6 --- /dev/null +++ b/Projects/MIDIToneGenerator/Descriptors.h @@ -0,0 +1,83 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2010 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
+ *
+ * Header file for Descriptors.c.
+ */
+
+#ifndef _DESCRIPTORS_H_
+#define _DESCRIPTORS_H_
+
+ /* Includes: */
+ #include <LUFA/Drivers/USB/USB.h>
+
+ #include <avr/pgmspace.h>
+
+ /* Macros: */
+ /** Endpoint number of the MIDI streaming data IN endpoint, for device-to-host data transfers. */
+ #define MIDI_STREAM_IN_EPNUM 2
+
+ /** Endpoint number of the MIDI streaming data OUT endpoint, for host-to-device data transfers. */
+ #define MIDI_STREAM_OUT_EPNUM 1
+
+ /** Endpoint size in bytes of the Audio isochronous streaming data IN and OUT endpoints. */
+ #define MIDI_STREAM_EPSIZE 64
+
+ /* Type Defines: */
+ /** 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 Audio_ControlInterface;
+ USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
+ USB_Descriptor_Interface_t Audio_StreamInterface;
+ USB_MIDI_Descriptor_AudioInterface_AS_t Audio_StreamInterface_SPC;
+ USB_MIDI_Descriptor_InputJack_t MIDI_In_Jack_Emb;
+ USB_MIDI_Descriptor_InputJack_t MIDI_In_Jack_Ext;
+ USB_MIDI_Descriptor_OutputJack_t MIDI_Out_Jack_Emb;
+ USB_MIDI_Descriptor_OutputJack_t MIDI_Out_Jack_Ext;
+ USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_In_Jack_Endpoint;
+ USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_In_Jack_Endpoint_SPC;
+ USB_Audio_Descriptor_StreamEndpoint_Std_t MIDI_Out_Jack_Endpoint;
+ USB_MIDI_Descriptor_Jack_Endpoint_t MIDI_Out_Jack_Endpoint_SPC;
+ } USB_Descriptor_Configuration_t;
+
+ /* Function Prototypes: */
+ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
+ const uint8_t wIndex,
+ const void** const DescriptorAddress)
+ ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
+
+#endif
+
diff --git a/Projects/MIDIToneGenerator/MIDIToneGenerator.c b/Projects/MIDIToneGenerator/MIDIToneGenerator.c new file mode 100644 index 000000000..d55838494 --- /dev/null +++ b/Projects/MIDIToneGenerator/MIDIToneGenerator.c @@ -0,0 +1,244 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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
+ *
+ * Main source file for the MIDI demo. This file contains the main tasks of
+ * the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MIDIToneGenerator.h"
+
+/** LUFA MIDI Class driver interface configuration and state information. This structure is
+ * passed to all MIDI Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_MIDI_Device_t Keyboard_MIDI_Interface =
+ {
+ .Config =
+ {
+ .StreamingInterfaceNumber = 1,
+
+ .DataINEndpointNumber = MIDI_STREAM_IN_EPNUM,
+ .DataINEndpointSize = MIDI_STREAM_EPSIZE,
+ .DataINEndpointDoubleBank = false,
+
+ .DataOUTEndpointNumber = MIDI_STREAM_OUT_EPNUM,
+ .DataOUTEndpointSize = MIDI_STREAM_EPSIZE,
+ .DataOUTEndpointDoubleBank = false,
+ },
+ };
+
+/** 8-bit 256 entry Sine Wave lookup table */
+const uint8_t SineTable[256] =
+{
+ 128, 131, 134, 137, 140, 143, 146, 149, 152, 156, 159, 162, 165, 168, 171, 174,
+ 176, 179, 182, 185, 188, 191, 193, 196, 199, 201, 204, 206, 209, 211, 213, 216,
+ 218, 220, 222, 224, 226, 228, 230, 232, 234, 236, 237, 239, 240, 242, 243, 245,
+ 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 254, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 254, 254, 253, 252, 252, 251, 250, 249, 248, 247,
+ 246, 245, 243, 242, 240, 239, 237, 236, 234, 232, 230, 228, 226, 224, 222, 220,
+ 218, 216, 213, 211, 209, 206, 204, 201, 199, 196, 193, 191, 188, 185, 182, 179,
+ 176, 174, 171, 168, 165, 162, 159, 156, 152, 149, 146, 143, 140, 137, 134, 131,
+ 128, 124, 121, 118, 115, 112, 109, 106, 103, 99, 96, 93, 90, 87, 84, 81,
+ 79, 76, 73, 70, 67, 64, 62, 59, 56, 54, 51, 49, 46, 44, 42, 39,
+ 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 18, 16, 15, 13, 12, 10,
+ 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 1, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 8,
+ 9, 10, 12, 13, 15, 16, 18, 19, 21, 23, 25, 27, 29, 31, 33, 35,
+ 37, 39, 42, 44, 46, 49, 51, 54, 56, 59, 62, 64, 67, 70, 73, 76,
+ 79, 81, 84, 87, 90, 93, 96, 99, 103, 106, 109, 112, 115, 118, 121, 124,
+};
+
+/** Array of structures describing each note being generated */
+DDSNoteData NoteData[MAX_SIMULTANEOUS_NOTES];
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ sei();
+
+ for (;;)
+ {
+ MIDI_EventPacket_t ReceivedMIDIEvent;
+ if (MIDI_Device_ReceiveEventPacket(&Keyboard_MIDI_Interface, &ReceivedMIDIEvent))
+ {
+ if ((ReceivedMIDIEvent.Command == (MIDI_COMMAND_NOTE_ON >> 4)) && ((ReceivedMIDIEvent.Data1 & 0x0F) == 0))
+ {
+ DDSNoteData* LRUNoteStruct = &NoteData[0];
+
+ /* Find a free entry in the note table to use for the note being turned on */
+ for (uint8_t i = 0; i < MAX_SIMULTANEOUS_NOTES; i++)
+ {
+ /* Check if the note is unused */
+ if (!(NoteData[i].Pitch))
+ {
+ /* If a note is unused, it's age is essentially infinite - always prefer unused not entries */
+ LRUNoteStruct = &NoteData[i];
+ break;
+ }
+ else if (NoteData[i].LRUAge >= LRUNoteStruct->LRUAge)
+ {
+ /* If an older entry that the current entry has been found, prefer overwriting that one */
+ LRUNoteStruct = &NoteData[i];
+ }
+
+ NoteData[i].LRUAge++;
+ }
+
+ /* Update the oldest note entry with the new note data and reset its age */
+ LRUNoteStruct->Pitch = ReceivedMIDIEvent.Data2;
+ LRUNoteStruct->TableIncrement = (uint32_t)(BASE_INCREMENT * SCALE_FACTOR) +
+ ((uint32_t)(BASE_INCREMENT * NOTE_OCTIVE_RATIO * SCALE_FACTOR) *
+ (ReceivedMIDIEvent.Data2 - BASE_PITCH_INDEX));
+ LRUNoteStruct->TablePosition = 0;
+ LRUNoteStruct->LRUAge = 0;
+
+ /* Turn on indicator LED to indicate note generation activity */
+ LEDs_SetAllLEDs(LEDS_LED1);
+ }
+ else if ((ReceivedMIDIEvent.Command == (MIDI_COMMAND_NOTE_OFF >> 4)) && ((ReceivedMIDIEvent.Data1 & 0x0F) == 0))
+ {
+ bool FoundActiveNote = false;
+
+ /* Find the note in the note table to turn off */
+ for (uint8_t i = 0; i < MAX_SIMULTANEOUS_NOTES; i++)
+ {
+ if (NoteData[i].Pitch == ReceivedMIDIEvent.Data2)
+ NoteData[i].Pitch = 0;
+ else if (NoteData[i].Pitch)
+ FoundActiveNote = true;
+ }
+
+ /* If all notes off, turn off the indicator LED */
+ if (!(FoundActiveNote))
+ LEDs_SetAllLEDs(LEDS_NO_LEDS);
+ }
+ }
+
+ MIDI_Device_USBTask(&Keyboard_MIDI_Interface);
+ USB_USBTask();
+ }
+}
+
+/** ISR to handle the reloading of the PWM timer with the next sample. */
+ISR(TIMER0_COMPA_vect, ISR_BLOCK)
+{
+ uint16_t MixedSample = 0;
+
+ /* Sum together all the active notes to form a single sample */
+ for (uint8_t i = 0; i < MAX_SIMULTANEOUS_NOTES; i++)
+ {
+ /* A non-zero pitch indicates the note is active */
+ if (NoteData[i].Pitch)
+ {
+ /* Use the top 8 bits of the table position as the sample table index */
+ uint8_t TableIndex = ((uint8_t*)&NoteData[i].TablePosition)[3];
+
+ /* Add the new tone sample to the accumulator and increment the table position */
+ MixedSample += SineTable[TableIndex];
+ NoteData[i].TablePosition += NoteData[i].TableIncrement;
+ }
+ }
+
+ /* Output clamped mixed sample value to the PWM */
+ OCR3A = (MixedSample <= 0xFF) ? MixedSample : 0xFF;
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* Hardware Initialization */
+ LEDs_Init();
+ USB_Init();
+
+ /* Sample reload timer initialization */
+ TIMSK0 = (1 << OCIE0A);
+ OCR0A = (VIRTUAL_SAMPLE_TABLE_SIZE / 8);
+ TCCR0A = (1 << WGM01); // CTC mode
+ TCCR0B = (1 << CS01); // Fcpu/8 speed
+
+ /* Set speaker as output */
+ DDRC |= (1 << 6);
+
+ /* PWM speaker timer initialization */
+ TCCR3A = ((1 << WGM31) | (1 << COM3A1) | (1 << COM3A0)); // Set on match, clear on TOP
+ TCCR3B = ((1 << WGM32) | (1 << CS30)); // Fast 8-Bit PWM, Fcpu speed
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+ /* Set speaker as output */
+ DDRC |= (1 << 6);
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+
+ /* Disable any notes currently being played */
+ for (uint8_t i = 0; i < MAX_SIMULTANEOUS_NOTES; i++)
+ NoteData[i].Pitch = 0;
+
+ /* Set speaker as input to reduce current draw */
+ DDRC &= ~(1 << 6);
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ bool ConfigSuccess = true;
+
+ ConfigSuccess &= MIDI_Device_ConfigureEndpoints(&Keyboard_MIDI_Interface);
+
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Control Request event. */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);
+}
diff --git a/Projects/MIDIToneGenerator/MIDIToneGenerator.h b/Projects/MIDIToneGenerator/MIDIToneGenerator.h new file mode 100644 index 000000000..97f907755 --- /dev/null +++ b/Projects/MIDIToneGenerator/MIDIToneGenerator.h @@ -0,0 +1,108 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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
+ *
+ * Header file for AudioOutput.c.
+ */
+
+#ifndef _AUDIO_OUTPUT_H_
+#define _AUDIO_OUTPUT_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/wdt.h>
+ #include <avr/power.h>
+ #include <avr/pgmspace.h>
+ #include <avr/interrupt.h>
+ #include <stdbool.h>
+
+ #include "Descriptors.h"
+
+ #include <LUFA/Version.h>
+ #include <LUFA/Drivers/Board/LEDs.h>
+ #include <LUFA/Drivers/Peripheral/ADC.h>
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/USB/Class/MIDI.h>
+
+ /* Macros: */
+ /** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
+ #define LEDMASK_USB_NOTREADY LEDS_LED1
+
+ /** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
+ #define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
+
+ /** LED mask for the library LED driver, to indicate that the USB interface is ready. */
+ #define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
+
+ /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
+ #define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
+
+ /** Scale factor used to convert the floating point frequencies and ratios into a fixed point number */
+ #define SCALE_FACTOR 65536
+
+ /** Base (lowest) allowable MIDI note frequency */
+ #define BASE_FREQUENCY 27.5
+
+ /** Ratio between each note in an octave */
+ #define NOTE_OCTIVE_RATIO 1.05946
+
+ /** Lowest valid MIDI pitch index */
+ #define BASE_PITCH_INDEX 21
+
+ /** Maximum number of MIDI notes that can be played simultaneously */
+ #define MAX_SIMULTANEOUS_NOTES 3
+
+ /** Number of samples in the virtual sample table (can be expanded to lower maximum frequency, but allow for
+ * more simultaneous notes due to the reduced amount of processing time needed when the samples are spaced out)
+ */
+ #define VIRTUAL_SAMPLE_TABLE_SIZE 512
+
+ /** Sample table increments per period for the base MIDI note frequency */
+ #define BASE_INCREMENT (((F_CPU / VIRTUAL_SAMPLE_TABLE_SIZE / 2) / BASE_FREQUENCY))
+
+ /* Type Defines: */
+ typedef struct
+ {
+ uint8_t LRUAge;
+ uint8_t Pitch;
+ uint32_t TableIncrement;
+ uint32_t TablePosition;
+ } DDSNoteData;
+
+ /* Function Prototypes: */
+ void SetupHardware(void);
+
+ void EVENT_USB_Device_Connect(void);
+ void EVENT_USB_Device_Disconnect(void);
+ void EVENT_USB_Device_ConfigurationChanged(void);
+ void EVENT_USB_Device_UnhandledControlRequest(void);
+
+#endif
diff --git a/Projects/MIDIToneGenerator/MIDIToneGenerator.txt b/Projects/MIDIToneGenerator/MIDIToneGenerator.txt new file mode 100644 index 000000000..447ed7001 --- /dev/null +++ b/Projects/MIDIToneGenerator/MIDIToneGenerator.txt @@ -0,0 +1,73 @@ +/** \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 MIDI Tone Generator Project
+ *
+ * \section SSec_Compat Project Compatibility:
+ *
+ * The following list indicates what microcontrollers are compatible with this project.
+ *
+ * - Series 7 USB AVRs (AT90USBxxx7)
+ * - Series 6 USB AVRs (AT90USBxxx6)
+ * - Series 4 USB AVRs (ATMEGAxxU4)
+ *
+ * \section SSec_Info USB Information:
+ *
+ * The following table gives a rundown of the USB utilization of this project.
+ *
+ * <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 \n
+ * USB-MIDI Audio Class Extension Specification \n
+ * General MIDI Specification</td>
+ * </tr>
+ * <tr>
+ * <td><b>Usable Speeds:</b></td>
+ * <td>Full Speed Mode</td>
+ * </tr>
+ * </table>
+ *
+ * \section SSec_Description Project Description:
+ *
+ * MIDI note synthesiser project. This project implements a basic DDS frequency synthesiser, capable of producing 8-bit PWM sine
+ * waves of variable frequency. When attached to a USB host, this project will allow for multiple MIDI notes to be synthesised into
+ * audiable sound via PWM, using the notes sent to MIDI channel 1.
+ *
+ * Outgoing audio will output in 8-bit PWM onto the timer 3 output compare channel A. Decouple the audio output with a capacitor
+ * and attach to a speaker to hear the audio.
+ *
+ * \section SSec_Options Project Options
+ *
+ * The following defines can be found in this project, which can control the project behaviour when defined, or changed in value.
+ *
+ * <table>
+ * <tr>
+ * <td><b>Define Name:</b></td>
+ * <td><b>Location:</b></td>
+ * <td><b>Description:</b></td>
+ * </tr>
+ * <tr>
+ * <td>MAX_SIMULTANEOUS_NOTES</td>
+ * <td>MIDIToneGenerator.h</td>
+ * <td>Sets the maximum number of MIDI notes that can be generated simultaneously. More notes require more processing time,
+ * and thus a value that is too high will cause audiable sound distortion due to insufficient CPU time.</td>
+ * </tr>
+ * </table>
+ */
+
diff --git a/Projects/MIDIToneGenerator/makefile b/Projects/MIDIToneGenerator/makefile new file mode 100644 index 000000000..a89cbb100 --- /dev/null +++ b/Projects/MIDIToneGenerator/makefile @@ -0,0 +1,713 @@ +# 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 "Board Types" documentation, NONE 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 in Hz. 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.
+#
+# This will be an integer division of F_CLOCK below, as it is sourced by
+# F_CLOCK after it has run through any CPU prescalers. Note that this value
+# does not *change* the processor frequency - it should merely be updated to
+# reflect the processor speed set externally so that the code can use accurate
+# software delays.
+F_CPU = 8000000
+
+
+# Input clock frequency.
+# This will define a symbol, F_CLOCK, in all source code files equal to the
+# input clock frequency (before any prescaling is performed) in Hz. This value may
+# differ from F_CPU if prescaling is used on the latter, and is required as the
+# raw input clock is fed directly to the PLL sections of the AVR for high speed
+# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+# at the end, this will be done automatically to create a 32-bit value in your
+# source code.
+#
+# If no clock division is performed on the input clock inside the AVR (via the
+# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_CLOCK = $(F_CPU)
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+
+# Target file name (without extension).
+TARGET = MIDIToneGenerator
+
+
+# Object files directory
+# To put object files in current directory, use a dot (.), do NOT make
+# this an empty or blank macro!
+OBJDIR = .
+
+
+# Path to the LUFA library
+LUFA_PATH = ../../
+
+
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS = -D USB_DEVICE_ONLY
+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
+# List C source files here. (C dependencies are automatically generated.)
+SRC = $(TARGET).c \
+ Descriptors.c \
+ $(LUFA_SRC_USB) \
+ $(LUFA_SRC_USBCLASS)
+
+
+# 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 = $(LUFA_PATH)/
+
+
+# Compiler flag to set the C Standard level.
+# c89 = "ANSI" C
+# gnu89 = c89 plus GCC extensions
+# c99 = ISO C99 standard (not yet fully implemented)
+# gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=c99
+
+
+# Place -D or -U options here for C sources
+CDEFS = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
+
+
+# Place -D or -U options here for ASM sources
+ADEFS = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
+
+# Place -D or -U options here for C++ sources
+CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
+#CPPDEFS += -D__STDC_LIMIT_MACROS
+#CPPDEFS += -D__STDC_CONSTANT_MACROS
+
+
+
+#---------------- Compiler Options C ----------------
+# -g*: generate debugging information
+# -O*: optimization level
+# -f...: tuning, see GCC manual and avr-libc documentation
+# -Wall...: warning level
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns...: create assembler listing
+CFLAGS = -g$(DEBUG)
+CFLAGS += $(CDEFS)
+CFLAGS += -O$(OPT)
+CFLAGS += -funsigned-char
+CFLAGS += -funsigned-bitfields
+CFLAGS += -ffunction-sections
+CFLAGS += -fno-inline-small-functions
+CFLAGS += -fpack-struct
+CFLAGS += -fshort-enums
+CFLAGS += -fno-strict-aliasing
+CFLAGS += -Wall
+CFLAGS += -Wstrict-prototypes
+#CFLAGS += -mshort-calls
+#CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
+#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
+CPPFLAGS += -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) $(MATH_LIB)
+#LDFLAGS += -T linker_script.x
+
+
+
+#---------------- Programming Options (avrdude) ----------------
+
+# Programming hardware
+# Type: avrdude -c ?
+# to get a full listing.
+#
+AVRDUDE_PROGRAMMER = jtagmkII
+
+# com1 = serial port. Use lpt1 to connect to parallel port.
+AVRDUDE_PORT = usb
+
+AVRDUDE_WRITE_FLASH = -U flash:w:$(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 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); $(ELFSIZE); \
+ 2>/dev/null; echo; fi
+
+
+
+# Display compiler version information.
+gccversion :
+ @$(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 $(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
+ $(REMOVE) $(TARGET)eep.hex
+
+dfu-ee: $(TARGET).hex $(TARGET).eep
+ dfu-programmer $(MCU) eeprom-flash $(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 -R .fuse -R .lock $< $@
+
+%.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 -S -z $< > $@
+
+# 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 end
+
+clean_list :
+ @echo
+ @echo $(MSG_CLEANING)
+ $(REMOVE) $(TARGET).hex
+ $(REMOVE) $(TARGET).eep
+ $(REMOVE) $(TARGET).cof
+ $(REMOVE) $(TARGET).elf
+ $(REMOVE) $(TARGET).map
+ $(REMOVE) $(TARGET).sym
+ $(REMOVE) $(TARGET).lss
+ $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
+ $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(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 begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee \
+debug gdb-config
+
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