-/*\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 MIDIHost demo. This file contains the main tasks of\r
- * the demo and is responsible for the initial application hardware configuration.\r
- */\r
- \r
-#include "MIDIHost.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_Host_t Keyboard_MIDI_Interface =\r
- {\r
- .Config =\r
- {\r
- .DataINPipeNumber = 1,\r
- .DataINPipeDoubleBank = false,\r
- \r
- .DataOUTPipeNumber = 2,\r
- .DataOUTPipeDoubleBank = false,\r
- },\r
- };\r
-\r
- \r
-/** Main program entry point. This routine configures the hardware required by the application, then\r
- * enters a loop to run the application tasks in sequence.\r
- */\r
-int main(void)\r
-{\r
- SetupHardware();\r
-\r
- puts_P(PSTR(ESC_FG_CYAN "MIDI Host Demo running.\r\n" ESC_FG_WHITE));\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-\r
- for (;;)\r
- {\r
- switch (USB_HostState)\r
- {\r
- case HOST_STATE_Addressed:\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
- \r
- uint16_t ConfigDescriptorSize;\r
- uint8_t ConfigDescriptorData[512];\r
-\r
- if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
- sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
- {\r
- printf("Error Retrieving Configuration Descriptor.\r\n");\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
- break;\r
- }\r
-\r
- if (MIDI_Host_ConfigurePipes(&Keyboard_MIDI_Interface,\r
- ConfigDescriptorSize, ConfigDescriptorData) != MIDI_ENUMERROR_NoError)\r
- {\r
- printf("Attached Device Not a Valid MIDI Class Device.\r\n");\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
- break;\r
- }\r
- \r
- if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
- {\r
- printf("Error Setting Device Configuration.\r\n");\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
- break;\r
- }\r
- \r
- printf("MIDI Device Enumerated.\r\n");\r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- CheckJoystickMovement();\r
- \r
- MIDI_EventPacket_t MIDIEvent;\r
- if (MIDI_Host_ReceiveEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent))\r
- {\r
- bool NoteOnEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON >> 4));\r
- bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4));\r
- \r
- if (NoteOnEvent || NoteOffEvent)\r
- {\r
- printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d"), NoteOnEvent ? "On" : "Off",\r
- ((MIDIEvent.Data1 & 0x0F) + 1),\r
- MIDIEvent.Data2, MIDIEvent.Data3);\r
- }\r
- }\r
- \r
- break;\r
- }\r
- \r
- MIDI_Host_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
- SerialStream_Init(9600, false);\r
- LEDs_Init();\r
- Buttons_Init();\r
- Joystick_Init();\r
- USB_Init();\r
-}\r
-\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_Host_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);\r
- }\r
-\r
- PrevJoystickStatus = JoystickStatus;\r
-}\r
-\r
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
- * starts the library USB task to begin the enumeration and USB management process.\r
- */\r
-void EVENT_USB_Host_DeviceAttached(void)\r
-{\r
- puts_P(PSTR("Device Attached.\r\n"));\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-}\r
-\r
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
- * stops the library USB task management process.\r
- */\r
-void EVENT_USB_Host_DeviceUnattached(void)\r
-{\r
- puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-}\r
-\r
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
- * enumerated by the host and is now ready to be used by the application.\r
- */\r
-void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
-}\r
-\r
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
-void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
-{\r
- USB_ShutDown();\r
-\r
- printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
- " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- for(;;);\r
-}\r
-\r
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
- * enumerating an attached USB device.\r
- */\r
-void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
-{\r
- printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
- " -- Error Code %d\r\n"\r
- " -- Sub Error Code %d\r\n"\r
- " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
- \r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2012 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 MIDIHost demo. This file contains the main tasks of
+ * the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MIDIHost.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_Host_t Keyboard_MIDI_Interface =
+ {
+ .Config =
+ {
+ .DataINPipeNumber = 1,
+ .DataINPipeDoubleBank = false,
+
+ .DataOUTPipeNumber = 2,
+ .DataOUTPipeDoubleBank = false,
+ },
+ };
+
+
+/** Main program entry point. This routine configures the hardware required by the application, then
+ * enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ puts_P(PSTR(ESC_FG_CYAN "MIDI Host Demo running.\r\n" ESC_FG_WHITE));
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ sei();
+
+ for (;;)
+ {
+ JoystickHost_Task();
+
+ MIDI_Host_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 */
+ Serial_Init(9600, false);
+ LEDs_Init();
+ Buttons_Init();
+ Joystick_Init();
+ USB_Init();
+
+ /* Create a stdio stream for the serial port for stdin and stdout */
+ Serial_CreateStream(NULL);
+}
+
+/** Task to manage an enumerated USB MIDI device once connected, to display received
+ * note events from the host and send note changes in response to tbe board's joystick.
+ */
+void JoystickHost_Task(void)
+{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
+ MIDI_EventPacket_t MIDIEvent;
+ while (MIDI_Host_ReceiveEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent))
+ {
+ bool NoteOnEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON >> 4));
+ bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4));
+
+ /* Display note events from the host */
+ if (NoteOnEvent || NoteOffEvent)
+ {
+ printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d\r\n"), NoteOnEvent ? "On" : "Off",
+ ((MIDIEvent.Data1 & 0x0F) + 1),
+ MIDIEvent.Data2, MIDIEvent.Data3);
+ }
+ }
+
+ CheckJoystickMovement();
+}
+
+/** Checks for movement of the board's joystick, and sends corresponding MIDI note on/off
+ * messages to the host.
+ */
+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;
+ }
+ else if (JoystickChanges & JOY_UP)
+ {
+ MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3D;
+ }
+ else if (JoystickChanges & JOY_RIGHT)
+ {
+ MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3E;
+ }
+ else if (JoystickChanges & JOY_DOWN)
+ {
+ MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+ MIDIPitch = 0x3F;
+ }
+ else 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_Host_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);
+ MIDI_Host_Flush(&Keyboard_MIDI_Interface);
+ }
+
+ PrevJoystickStatus = JoystickStatus;
+}
+
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
+ * starts the library USB task to begin the enumeration and USB management process.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+ puts_P(PSTR("Device Attached.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
+ * stops the library USB task management process.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+ puts_P(PSTR("\r\nDevice Unattached.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
+ * enumerated by the host and is now ready to be used by the application.
+ */
+void EVENT_USB_Host_DeviceEnumerationComplete(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+ uint16_t ConfigDescriptorSize;
+ uint8_t ConfigDescriptorData[512];
+
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+ {
+ puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (MIDI_Host_ConfigurePipes(&Keyboard_MIDI_Interface,
+ ConfigDescriptorSize, ConfigDescriptorData) != MIDI_ENUMERROR_NoError)
+ {
+ puts_P(PSTR("Attached Device Not a Valid MIDI Class Device.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Setting Device Configuration.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ puts_P(PSTR("MIDI Device Enumerated.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+ USB_Disable();
+
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ * enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+ const uint8_t SubErrorCode)
+{
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+ " -- Error Code %d\r\n"
+ " -- Sub Error Code %d\r\n"
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+