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Diffstat (limited to 'lib/lufa/Demos/Device/LowLevel/MIDI/MIDI.c')
| -rw-r--r-- | lib/lufa/Demos/Device/LowLevel/MIDI/MIDI.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/lib/lufa/Demos/Device/LowLevel/MIDI/MIDI.c b/lib/lufa/Demos/Device/LowLevel/MIDI/MIDI.c deleted file mode 100644 index 0fdb04597c..0000000000 --- a/lib/lufa/Demos/Device/LowLevel/MIDI/MIDI.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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 disclaims 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 input demo. This file contains the main tasks of the demo and - * is responsible for the initial application hardware configuration. - */ - -#include "MIDI.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(); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - MIDI_Task(); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ -#if (ARCH == ARCH_AVR8) - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); -#elif (ARCH == ARCH_XMEGA) - /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */ - XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU); - XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL); - - /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */ - XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ); - XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB); - - PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm; -#endif - - /* Hardware Initialization */ - Joystick_Init(); - LEDs_Init(); - Buttons_Init(); - USB_Init(); -} - -/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */ -void EVENT_USB_Device_Connect(void) -{ - /* Indicate USB enumerating */ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via - * the status LEDs, disables the sample update and PWM output timers and stops the USB and MIDI management tasks. - */ -void EVENT_USB_Device_Disconnect(void) -{ - /* Indicate USB not ready */ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration - * of the USB device after enumeration - the device endpoints are configured and the MIDI management task started. - */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - bool ConfigSuccess = true; - - /* Setup MIDI Data Endpoints */ - ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, 1); - ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, 1); - - /* Indicate endpoint configuration success or failure */ - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** Task to handle the generation of MIDI note change events in response to presses of the board joystick, and send them - * to the host. - */ -void MIDI_Task(void) -{ - static uint8_t PrevJoystickStatus; - - /* Device must be connected and configured for the task to run */ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; - - Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPADDR); - - if (Endpoint_IsINReady()) - { - 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) - { - MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t) - { - .Event = MIDI_EVENT(0, MIDICommand), - - .Data1 = MIDICommand | Channel, - .Data2 = MIDIPitch, - .Data3 = MIDI_STANDARD_VELOCITY, - }; - - /* Write the MIDI event packet to the endpoint */ - Endpoint_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL); - - /* Send the data in the endpoint to the host */ - Endpoint_ClearIN(); - } - - /* Save previous joystick value for next joystick change detection */ - PrevJoystickStatus = JoystickStatus; - } - - /* Select the MIDI OUT stream */ - Endpoint_SelectEndpoint(MIDI_STREAM_OUT_EPADDR); - - /* Check if a MIDI command has been received */ - if (Endpoint_IsOUTReceived()) - { - MIDI_EventPacket_t MIDIEvent; - - /* Read the MIDI event packet from the endpoint */ - Endpoint_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL); - - /* Check to see if the sent command is a note on message with a non-zero velocity */ - if ((MIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_ON)) && (MIDIEvent.Data3 > 0)) - { - /* Change LEDs depending on the pitch of the sent note */ - LEDs_SetAllLEDs(MIDIEvent.Data2 > 64 ? LEDS_LED1 : LEDS_LED2); - } - else - { - /* Turn off all LEDs in response to non Note On messages */ - LEDs_SetAllLEDs(LEDS_NO_LEDS); - } - - /* If the endpoint is now empty, clear the bank */ - if (!(Endpoint_BytesInEndpoint())) - { - /* Clear the endpoint ready for new packet */ - Endpoint_ClearOUT(); - } - } -} - |