Add svn:eol-style property to source files, so that the line endings are correctly...
[pub/USBasp.git] / Demos / Device / ClassDriver / MIDI / MIDI.c
index 7fcdfcc..04d4bdb 100644 (file)
-/*\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);
+}