-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Main source file for the MIDI demo. This file contains the main tasks of\r
- * the demo and is responsible for the initial application hardware configuration.\r
- */\r
-\r
-#include "MIDI.h"\r
-\r
-/** LUFA MIDI Class driver interface configuration and state information. This structure is\r
- * passed to all MIDI Class driver functions, so that multiple instances of the same class\r
- * within a device can be differentiated from one another.\r
- */\r
-USB_ClassInfo_MIDI_Device_t Keyboard_MIDI_Interface =\r
- {\r
- .Config =\r
- {\r
- .StreamingInterfaceNumber = 1,\r
-\r
- .DataINEndpointNumber = MIDI_STREAM_IN_EPNUM,\r
- .DataINEndpointSize = MIDI_STREAM_EPSIZE,\r
- .DataINEndpointDoubleBank = false,\r
-\r
- .DataOUTEndpointNumber = MIDI_STREAM_OUT_EPNUM,\r
- .DataOUTEndpointSize = MIDI_STREAM_EPSIZE,\r
- .DataOUTEndpointDoubleBank = false,\r
- },\r
- };\r
-\r
-/** Main program entry point. This routine contains the overall program flow, including initial\r
- * setup of all components and the main program loop.\r
- */\r
-int main(void)\r
-{\r
- SetupHardware();\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
- sei();\r
- \r
- for (;;)\r
- {\r
- CheckJoystickMovement();\r
- \r
- MIDI_EventPacket_t ReceivedMIDIEvent;\r
- if (MIDI_Device_ReceiveEventPacket(&Keyboard_MIDI_Interface, &ReceivedMIDIEvent))\r
- {\r
- if ((ReceivedMIDIEvent.Command == (MIDI_COMMAND_NOTE_ON >> 4)) && (ReceivedMIDIEvent.Data3 > 0))\r
- LEDs_SetAllLEDs(ReceivedMIDIEvent.Data2 > 64 ? LEDS_LED1 : LEDS_LED2);\r
- else\r
- LEDs_SetAllLEDs(LEDS_NO_LEDS);\r
- }\r
- \r
- MIDI_Device_USBTask(&Keyboard_MIDI_Interface);\r
- USB_USBTask();\r
- }\r
-}\r
-\r
-/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
-void SetupHardware(void)\r
-{\r
- /* Disable watchdog if enabled by bootloader/fuses */\r
- MCUSR &= ~(1 << WDRF);\r
- wdt_disable();\r
-\r
- /* Disable clock division */\r
- clock_prescale_set(clock_div_1);\r
- \r
- /* Hardware Initialization */\r
- Joystick_Init();\r
- LEDs_Init();\r
- Buttons_Init();\r
- USB_Init();\r
-}\r
-\r
-/** Checks for changes in the position of the board joystick, sending MIDI events to the host upon each change. */\r
-void CheckJoystickMovement(void)\r
-{\r
- static uint8_t PrevJoystickStatus;\r
-\r
- uint8_t MIDICommand = 0;\r
- uint8_t MIDIPitch;\r
- \r
- /* Get current joystick mask, XOR with previous to detect joystick changes */\r
- uint8_t JoystickStatus = Joystick_GetStatus();\r
- uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);\r
- \r
- /* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */\r
- uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));\r
-\r
- if (JoystickChanges & JOY_LEFT)\r
- {\r
- MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);\r
- MIDIPitch = 0x3C;\r
- }\r
-\r
- if (JoystickChanges & JOY_UP)\r
- {\r
- MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);\r
- MIDIPitch = 0x3D;\r
- }\r
-\r
- if (JoystickChanges & JOY_RIGHT)\r
- {\r
- MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);\r
- MIDIPitch = 0x3E;\r
- }\r
- \r
- if (JoystickChanges & JOY_DOWN)\r
- {\r
- MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);\r
- MIDIPitch = 0x3F;\r
- }\r
-\r
- if (JoystickChanges & JOY_PRESS)\r
- {\r
- MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);\r
- MIDIPitch = 0x3B;\r
- }\r
- \r
- if (MIDICommand)\r
- {\r
- MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)\r
- {\r
- .CableNumber = 0,\r
- .Command = (MIDICommand >> 4),\r
- \r
- .Data1 = MIDICommand | Channel,\r
- .Data2 = MIDIPitch,\r
- .Data3 = MIDI_STANDARD_VELOCITY, \r
- };\r
- \r
- MIDI_Device_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);\r
- MIDI_Device_Flush(&Keyboard_MIDI_Interface);\r
- }\r
-\r
- PrevJoystickStatus = JoystickStatus;\r
-}\r
-\r
-/** Event handler for the library USB Connection event. */\r
-void EVENT_USB_Device_Connect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-}\r
-\r
-/** Event handler for the library USB Disconnection event. */\r
-void EVENT_USB_Device_Disconnect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-}\r
-\r
-/** Event handler for the library USB Configuration Changed event. */\r
-void EVENT_USB_Device_ConfigurationChanged(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
- \r
- if (!(MIDI_Device_ConfigureEndpoints(&Keyboard_MIDI_Interface)))\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-}\r
-\r
-/** Event handler for the library USB Unhandled Control Request event. */\r
-void EVENT_USB_Device_UnhandledControlRequest(void)\r
-{\r
- MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);\r
-}\r
+/*
+ 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 "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,
+ },
+ };
+
+/** 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 (;;)
+ {
+ CheckJoystickMovement();
+
+ MIDI_EventPacket_t ReceivedMIDIEvent;
+ if (MIDI_Device_ReceiveEventPacket(&Keyboard_MIDI_Interface, &ReceivedMIDIEvent))
+ {
+ if ((ReceivedMIDIEvent.Command == (MIDI_COMMAND_NOTE_ON >> 4)) && (ReceivedMIDIEvent.Data3 > 0))
+ LEDs_SetAllLEDs(ReceivedMIDIEvent.Data2 > 64 ? LEDS_LED1 : LEDS_LED2);
+ else
+ LEDs_SetAllLEDs(LEDS_NO_LEDS);
+ }
+
+ MIDI_Device_USBTask(&Keyboard_MIDI_Interface);
+ 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 */
+ Joystick_Init();
+ LEDs_Init();
+ Buttons_Init();
+ USB_Init();
+}
+
+/** Checks for changes in the position of the board joystick, sending MIDI events to the host upon each change. */
+void CheckJoystickMovement(void)
+{
+ static uint8_t PrevJoystickStatus;
+
+ uint8_t MIDICommand = 0;
+ uint8_t MIDIPitch;
+
+ /* Get current joystick mask, XOR with previous to detect joystick changes */
+ uint8_t JoystickStatus = Joystick_GetStatus();
+ uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
+
+ /* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
+ uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
+
+ if (JoystickChanges & JOY_LEFT)
+ {
+ MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3C;
+ }
+
+ if (JoystickChanges & JOY_UP)
+ {
+ MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3D;
+ }
+
+ if (JoystickChanges & JOY_RIGHT)
+ {
+ MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3E;
+ }
+
+ if (JoystickChanges & JOY_DOWN)
+ {
+ MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3F;
+ }
+
+ if (JoystickChanges & JOY_PRESS)
+ {
+ MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3B;
+ }
+
+ if (MIDICommand)
+ {
+ MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
+ {
+ .CableNumber = 0,
+ .Command = (MIDICommand >> 4),
+
+ .Data1 = MIDICommand | Channel,
+ .Data2 = MIDIPitch,
+ .Data3 = MIDI_STANDARD_VELOCITY,
+ };
+
+ MIDI_Device_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);
+ MIDI_Device_Flush(&Keyboard_MIDI_Interface);
+ }
+
+ PrevJoystickStatus = JoystickStatus;
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ if (!(MIDI_Device_ConfigureEndpoints(&Keyboard_MIDI_Interface)))
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+ MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);
+}