/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
-
+ Copyright (C) Dean Camera, 2013.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
+ The author disclaims 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
{
.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,
+ .StreamingInterfaceNumber = INTERFACE_ID_AudioStream,
+ .DataINEndpoint =
+ {
+ .Address = MIDI_STREAM_IN_EPADDR,
+ .Size = MIDI_STREAM_EPSIZE,
+ .Banks = 1,
+ },
+ .DataOUTEndpoint =
+ {
+ .Address = MIDI_STREAM_OUT_EPADDR,
+ .Size = MIDI_STREAM_EPSIZE,
+ .Banks = 1,
+ },
},
};
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
-
+ GlobalInterruptEnable();
+
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))
+ if ((ReceivedMIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_ON)) && ((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++)
{
}
else if (NoteData[i].LRUAge >= LRUNoteStruct->LRUAge)
{
- /* If an older entry that the current entry has been found, prefer overwriting that one */
+ /* 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) +
/* 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))
+ else if ((ReceivedMIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_OFF)) && ((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++)
{
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(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++)
{
{
/* Use the top 8 bits of the table position as the sample table index */
uint8_t TableIndex = (NoteData[i].TablePosition >> 24);
-
+
/* 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)
{
+#if (ARCH == ARCH_AVR8)
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
-
+#endif
+
/* Hardware Initialization */
LEDs_Init();
USB_Init();
bool ConfigSuccess = true;
ConfigSuccess &= MIDI_Device_ConfigureEndpoints(&Keyboard_MIDI_Interface);
-
+
LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
}
{
MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);
}
+
projects / pub / USBasp.git / blobdiff