diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /Demos/Host/LowLevel/MIDIHost/MIDIHost.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.bz2 lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'Demos/Host/LowLevel/MIDIHost/MIDIHost.c')
-rw-r--r-- | Demos/Host/LowLevel/MIDIHost/MIDIHost.c | 538 |
1 files changed, 269 insertions, 269 deletions
diff --git a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c index cbbb0c565..9c8190286 100644 --- a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c +++ b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c @@ -1,269 +1,269 @@ -/*
- 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 MIDIHost demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "MIDIHost.h"
-
-/** 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 (;;)
- {
- MIDI_Host_Task();
- 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 */
- SerialStream_Init(9600, false);
- LEDs_Init();
- Buttons_Init();
- Joystick_Init();
- USB_Init();
-}
-
-/** 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(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
- 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(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
- 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_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_ShutDown();
-
- 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);
-}
-
-/** Task to set the configuration of the attached device after it has been enumerated, and to read in
- * note on/off messages from the attached MIDI device and print it to the serial port. When the board
- * joystick or buttons are pressed, note on/off messages are sent to the attached device.
- */
-void MIDI_Host_Task(void)
-{
- uint8_t ErrorCode;
-
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- puts_P(PSTR("Getting Config Data.\r\n"));
-
- /* Get and process the configuration descriptor data */
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
- {
- if (ErrorCode == ControlError)
- puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- /* Indicate error via status LEDs */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
- if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
- {
- printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
- " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- /* Indicate error via status LEDs */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("MIDI Device Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- Pipe_SelectPipe(MIDI_DATAPIPE_IN);
-
- if (Pipe_IsINReceived())
- {
- USB_MIDI_EventPacket_t MIDIEvent;
-
- Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
-
- bool NoteOnEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON >> 4));
- bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4));
-
- 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);
- }
-
- Pipe_ClearIN();
- }
-
- Pipe_SelectPipe(MIDI_DATAPIPE_OUT);
-
- static uint8_t PrevJoystickStatus;
-
- if (Pipe_IsOUTReady())
- {
- uint8_t MIDICommand = 0;
- uint8_t MIDIPitch;
-
- 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;
- }
-
- /* Check if a MIDI command is to be sent */
- if (MIDICommand)
- {
- USB_MIDI_EventPacket_t MIDIEvent = (USB_MIDI_EventPacket_t)
- {
- .CableNumber = 0,
- .Command = (MIDICommand >> 4),
-
- .Data1 = MIDICommand | Channel,
- .Data2 = MIDIPitch,
- .Data3 = MIDI_STANDARD_VELOCITY,
- };
-
- /* Write the MIDI event packet to the pipe */
- Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
-
- /* Send the data in the pipe to the device */
- Pipe_ClearOUT();
- }
-
- /* Save previous joystick value for next joystick change detection */
- PrevJoystickStatus = JoystickStatus;
- }
-
- break;
- }
-}
+/* + 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 MIDIHost demo. This file contains the main tasks of + * the demo and is responsible for the initial application hardware configuration. + */ + +#include "MIDIHost.h" + +/** 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 (;;) + { + MIDI_Host_Task(); + 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 */ + SerialStream_Init(9600, false); + LEDs_Init(); + Buttons_Init(); + Joystick_Init(); + USB_Init(); +} + +/** 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(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE)); + 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(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE)); + 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_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_ShutDown(); + + 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); +} + +/** Task to set the configuration of the attached device after it has been enumerated, and to read in + * note on/off messages from the attached MIDI device and print it to the serial port. When the board + * joystick or buttons are pressed, note on/off messages are sent to the attached device. + */ +void MIDI_Host_Task(void) +{ + uint8_t ErrorCode; + + switch (USB_HostState) + { + case HOST_STATE_Addressed: + puts_P(PSTR("Getting Config Data.\r\n")); + + /* Get and process the configuration descriptor data */ + if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) + { + if (ErrorCode == ControlError) + puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); + else + puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); + + printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + + /* Wait until USB device disconnected */ + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ + if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) + { + printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" + " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + + /* Wait until USB device disconnected */ + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + puts_P(PSTR("MIDI Device Enumerated.\r\n")); + + USB_HostState = HOST_STATE_Configured; + break; + case HOST_STATE_Configured: + Pipe_SelectPipe(MIDI_DATAPIPE_IN); + + if (Pipe_IsINReceived()) + { + USB_MIDI_EventPacket_t MIDIEvent; + + Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent)); + + bool NoteOnEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON >> 4)); + bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4)); + + 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); + } + + Pipe_ClearIN(); + } + + Pipe_SelectPipe(MIDI_DATAPIPE_OUT); + + static uint8_t PrevJoystickStatus; + + if (Pipe_IsOUTReady()) + { + uint8_t MIDICommand = 0; + uint8_t MIDIPitch; + + 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; + } + + /* Check if a MIDI command is to be sent */ + if (MIDICommand) + { + USB_MIDI_EventPacket_t MIDIEvent = (USB_MIDI_EventPacket_t) + { + .CableNumber = 0, + .Command = (MIDICommand >> 4), + + .Data1 = MIDICommand | Channel, + .Data2 = MIDIPitch, + .Data3 = MIDI_STANDARD_VELOCITY, + }; + + /* Write the MIDI event packet to the pipe */ + Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent)); + + /* Send the data in the pipe to the device */ + Pipe_ClearOUT(); + } + + /* Save previous joystick value for next joystick change detection */ + PrevJoystickStatus = JoystickStatus; + } + + break; + } +} |