diff options
| author | Christian Pointner <equinox@spreadspace.org> | 2014-03-12 16:15:47 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@spreadspace.org> | 2014-03-12 16:15:47 +0000 |
| commit | 63b18e41c7007da58164382dd145ea7ef4e14bdf (patch) | |
| tree | c82447e000b3dd5032b13ab6ef26e997e8d4a335 /usb-midi | |
| parent | increased delay time for ajar sensor (now less sensitive against short state ... (diff) | |
added midi example device
git-svn-id: https://svn.spreadspace.org/avr/trunk@251 aa12f405-d877-488e-9caf-2d797e2a1cc7
Diffstat (limited to 'usb-midi')
| -rw-r--r-- | usb-midi/Makefile | 44 | ||||
| -rw-r--r-- | usb-midi/usb-midi.c | 118 |
2 files changed, 162 insertions, 0 deletions
diff --git a/usb-midi/Makefile b/usb-midi/Makefile new file mode 100644 index 0000000..08bbdb8 --- /dev/null +++ b/usb-midi/Makefile @@ -0,0 +1,44 @@ +##
+## spreadspace avr utils
+##
+##
+## Copyright (C) 2013 Christian Pointner <equinox@spreadspace.org>
+##
+## This file is part of spreadspace avr utils.
+##
+## spreadspace avr utils is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## any later version.
+##
+## spreadspace avr utils is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+##
+
+NAME := usb-midi
+BOARD_TYPE := teensy2
+OBJ := $(NAME).o
+LIBS := util led lufa-descriptor-midi
+EXTERNAL_LIBS := lufa
+
+LUFA_PATH := ../contrib/LUFA-120219
+LUFA_OPTS = -D USB_DEVICE_ONLY
+LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0
+LUFA_OPTS += -D ORDERED_EP_CONFIG
+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
+
+LUFA_OPTS += -D USB_MANUFACTURER="L\"Radio Helsinki\""
+LUFA_OPTS += -D USB_PRODUCT="L\"$(NAME)\""
+
+LUFA_COMPONENTS := USB USBCLASS
+
+include ../include.mk
diff --git a/usb-midi/usb-midi.c b/usb-midi/usb-midi.c new file mode 100644 index 0000000..47e06fa --- /dev/null +++ b/usb-midi/usb-midi.c @@ -0,0 +1,118 @@ +/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of spreadspace avr utils.
+ *
+ * spreadspace avr utils is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * spreadspace avr utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/interrupt.h>
+#include <avr/power.h>
+#include <stdio.h>
+
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+#include <LUFA/Version.h>
+#include <LUFA/Drivers/USB/USB.h>
+#include "lufa-descriptor-midi.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,
+ },
+ };
+
+/** 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);
+}
+
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);
+}
+
+/* end LUFA MIDI Class driver specific definitions*/
+
+#include "util.h"
+#include "led.h"
+
+int main(void)
+{
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ cpu_init();
+ led_init();
+ USB_Init();
+ sei();
+
+ uint8_t MIDICommand = MIDI_COMMAND_NOTE_ON;
+ for(;;) {
+
+ MIDI_EventPacket_t ReceivedMIDIEvent;
+ while(MIDI_Device_ReceiveEventPacket(&Keyboard_MIDI_Interface, &ReceivedMIDIEvent)) { }
+
+
+ _delay_ms(1000);
+
+ led_on();
+ MIDICommand = (MIDICommand!=MIDI_COMMAND_NOTE_ON) ? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF;
+ MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
+ {
+ .CableNumber = 0,
+ .Command = (MIDICommand >> 4),
+
+ .Data1 = MIDICommand | 1,
+ .Data2 = 0,
+ .Data3 = 0,
+ };
+ MIDI_Device_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);
+ MIDI_Device_Flush(&Keyboard_MIDI_Interface);
+
+ led_off();
+
+ MIDI_Device_USBTask(&Keyboard_MIDI_Interface);
+ USB_USBTask();
+ }
+}
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