You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
4.8 KiB
151 lines
4.8 KiB
/*
|
|
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 bootloader. This file contains the main tasks of the demo and
|
|
* is responsible for the initial application hardware configuration.
|
|
*/
|
|
|
|
#include "BootloaderMIDI.h"
|
|
|
|
/** Main program entry point. This routine configures the hardware required by the application, then
|
|
* enters a loop to run the application tasks in sequence.
|
|
*/
|
|
int main(void)
|
|
{
|
|
SetupHardware();
|
|
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
|
|
|
for (;;)
|
|
{
|
|
MIDI_Task();
|
|
USB_USBTask();
|
|
}
|
|
}
|
|
|
|
/** 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();
|
|
}
|
|
|
|
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */
|
|
void EVENT_USB_Device_Connect(void)
|
|
{
|
|
/* Indicate USB enumerating */
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
|
|
}
|
|
|
|
/** 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 MIDI management tasks.
|
|
*/
|
|
void EVENT_USB_Device_Disconnect(void)
|
|
{
|
|
/* Indicate USB not ready */
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
|
}
|
|
|
|
/** 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 and the MIDI management task started.
|
|
*/
|
|
void EVENT_USB_Device_ConfigurationChanged(void)
|
|
{
|
|
/* Indicate USB connected and ready */
|
|
LEDs_SetAllLEDs(LEDMASK_USB_READY);
|
|
|
|
/* Setup MIDI stream endpoints */
|
|
if (!(Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPNUM, EP_TYPE_BULK,
|
|
ENDPOINT_DIR_OUT, MIDI_STREAM_EPSIZE,
|
|
ENDPOINT_BANK_SINGLE)))
|
|
{
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
}
|
|
|
|
if (!(Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPNUM, EP_TYPE_BULK,
|
|
ENDPOINT_DIR_IN, MIDI_STREAM_EPSIZE,
|
|
ENDPOINT_BANK_SINGLE)))
|
|
{
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
}
|
|
}
|
|
|
|
/** Task to handle the generation of MIDI note change events in response to presses of the board joystick, and send them
|
|
* to the host.
|
|
*/
|
|
void MIDI_Task(void)
|
|
{
|
|
/* Device must be connected and configured for the task to run */
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
/* Select the MIDI OUT stream */
|
|
Endpoint_SelectEndpoint(MIDI_STREAM_OUT_EPNUM);
|
|
|
|
if (Endpoint_IsOUTReceived())
|
|
{
|
|
USB_MIDI_EventPacket_t InPacket;
|
|
Endpoint_Read_Stream_LE(&InPacket, sizeof(InPacket));
|
|
|
|
LEDs_SetAllLEDs(InPacket.Data2 > 64 ? LEDS_LED1 : LEDS_LED2);
|
|
Endpoint_ClearOUT();
|
|
|
|
uint8_t Channel = InPacket.Data1;
|
|
uint8_t Data = ((InPacket.Data2 & 0x7F) | ((InPacket.Data3 == 64) ? 0x80 : 0x00));
|
|
|
|
if ((Channel == MIDI_CONTROL_CHANNEL) && (Data == CONTROL_ENTER_PROG_MODE))
|
|
{
|
|
USB_MIDI_EventPacket_t MIDIIn = (USB_MIDI_EventPacket_t)
|
|
{
|
|
.CableNumber = 0,
|
|
.Command = (MIDI_COMMAND_NOTE_ON >> 4),
|
|
|
|
.Data1 = MIDI_COMMAND_NOTE_ON | MIDI_CONTROL_CHANNEL,
|
|
.Data2 = CONTROL_DEVICE_READY,
|
|
.Data3 = 32,
|
|
};
|
|
|
|
Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPNUM);
|
|
Endpoint_Write_Stream_LE(&MIDIIn, sizeof(MIDIIn));
|
|
Endpoint_ClearIN();
|
|
}
|
|
}
|
|
}
|