+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- 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_t Keyboard_MIDI_Interface =\r
- {\r
- .StreamingInterfaceNumber = 1,\r
-\r
- .DataINEndpointNumber = MIDI_STREAM_IN_EPNUM,\r
- .DataINEndpointSize = MIDI_STREAM_EPSIZE,\r
-\r
- .DataOUTEndpointNumber = MIDI_STREAM_OUT_EPNUM,\r
- .DataOUTEndpointSize = MIDI_STREAM_EPSIZE,\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
- \r
- for (;;)\r
- {\r
- CheckJoystickMovement();\r
- \r
- USB_MIDI_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
- USB_MIDI_EventPacket_t MIDIEvent = (USB_MIDI_EventPacket_t)\r
- {\r
- .CableNumber = 0,\r
- .Command = MIDICommand,\r
- \r
- .Data1 = (MIDICommand << 4) | Channel,\r
- .Data2 = MIDIPitch,\r
- .Data3 = MIDI_STANDARD_VELOCITY, \r
- };\r
- \r
- USB_MIDI_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);\r
- }\r
-\r
- PrevJoystickStatus = JoystickStatus;\r
-}\r
-\r
-/** Event handler for the library USB Connection event. */\r
-void EVENT_USB_Connect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-}\r
-\r
-/** Event handler for the library USB Disconnection event. */\r
-void EVENT_USB_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_ConfigurationChanged(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
- \r
- if (!(USB_MIDI_ConfigureEndpoints(&Keyboard_MIDI_Interface)))\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-}\r
-\r
-/** Event handler for the library USB Unhandled Control Packet event. */\r
-void EVENT_USB_UnhandledControlPacket(void)\r
-{\r
- USB_MIDI_ProcessControlPacket(&Keyboard_MIDI_Interface);\r
-}\r
projects / pub / lufa.git / blobdiff