diff options
Diffstat (limited to 'Bootloaders/Incomplete/MIDI/BootloaderMIDI.c')
| -rw-r--r-- | Bootloaders/Incomplete/MIDI/BootloaderMIDI.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/Bootloaders/Incomplete/MIDI/BootloaderMIDI.c b/Bootloaders/Incomplete/MIDI/BootloaderMIDI.c new file mode 100644 index 000000000..97a2ada83 --- /dev/null +++ b/Bootloaders/Incomplete/MIDI/BootloaderMIDI.c @@ -0,0 +1,150 @@ +/*
+ 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 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
+ * starts the scheduler to run the application tasks.
+ */
+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();
+ }
+ }
+}
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