1085 lines
30 KiB
C
1085 lines
30 KiB
C
/*
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* Copyright 2012 Jun Wako <wakojun@gmail.com>
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* This file is based on:
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* LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
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* LUFA-120219/Demos/Device/Lowlevel/GenericHID
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*/
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2012.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Copyright 2010 Denver Gingerich (denver [at] ossguy [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "report.h"
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#include "host.h"
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#include "host_driver.h"
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#include "keyboard.h"
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#include "action.h"
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#include "led.h"
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#include "sendchar.h"
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#include "debug.h"
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#ifdef SLEEP_LED_ENABLE
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#include "sleep_led.h"
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#endif
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#include "suspend.h"
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#include "descriptor.h"
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#include "lufa.h"
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#ifdef AUDIO_ENABLE
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#include <audio.h>
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#endif
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#ifdef BLUETOOTH_ENABLE
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#include "bluetooth.h"
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#endif
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#ifdef VIRTSER_ENABLE
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#include "virtser.h"
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#endif
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uint8_t keyboard_idle = 0;
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/* 0: Boot Protocol, 1: Report Protocol(default) */
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uint8_t keyboard_protocol = 1;
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static uint8_t keyboard_led_stats = 0;
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static report_keyboard_t keyboard_report_sent;
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#ifdef MIDI_ENABLE
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void usb_send_func(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2);
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void usb_get_midi(MidiDevice * device);
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void midi_usb_init(MidiDevice * device);
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#endif
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/* Host driver */
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static uint8_t keyboard_leds(void);
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static void send_keyboard(report_keyboard_t *report);
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static void send_mouse(report_mouse_t *report);
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static void send_system(uint16_t data);
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static void send_consumer(uint16_t data);
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host_driver_t lufa_driver = {
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keyboard_leds,
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send_keyboard,
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send_mouse,
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send_system,
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send_consumer,
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#ifdef MIDI_ENABLE
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usb_send_func,
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usb_get_midi,
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midi_usb_init
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#endif
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};
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/*******************************************************************************
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* MIDI
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******************************************************************************/
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#ifdef MIDI_ENABLE
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USB_ClassInfo_MIDI_Device_t USB_MIDI_Interface =
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{
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.Config =
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{
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.StreamingInterfaceNumber = AS_INTERFACE,
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.DataINEndpoint =
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{
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.Address = MIDI_STREAM_IN_EPADDR,
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.Size = MIDI_STREAM_EPSIZE,
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.Banks = 1,
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},
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.DataOUTEndpoint =
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{
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.Address = MIDI_STREAM_OUT_EPADDR,
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.Size = MIDI_STREAM_EPSIZE,
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.Banks = 1,
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},
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},
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};
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#define SYSEX_START_OR_CONT 0x40
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#define SYSEX_ENDS_IN_1 0x50
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#define SYSEX_ENDS_IN_2 0x60
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#define SYSEX_ENDS_IN_3 0x70
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#define SYS_COMMON_1 0x50
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#define SYS_COMMON_2 0x20
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#define SYS_COMMON_3 0x30
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#endif
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#ifdef VIRTSER_ENABLE
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USB_ClassInfo_CDC_Device_t cdc_device =
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{
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.Config =
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{
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.ControlInterfaceNumber = CCI_INTERFACE,
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.DataINEndpoint =
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{
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.Address = CDC_IN_EPADDR,
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.Size = CDC_EPSIZE,
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.Banks = 1,
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},
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.DataOUTEndpoint =
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{
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.Address = CDC_OUT_EPADDR,
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.Size = CDC_EPSIZE,
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.Banks = 1,
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},
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.NotificationEndpoint =
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{
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.Address = CDC_NOTIFICATION_EPADDR,
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.Size = CDC_NOTIFICATION_EPSIZE,
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.Banks = 1,
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},
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},
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};
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#endif
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/*******************************************************************************
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* Console
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******************************************************************************/
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#ifdef CONSOLE_ENABLE
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static void Console_Task(void)
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{
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/* Device must be connected and configured for the task to run */
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return;
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uint8_t ep = Endpoint_GetCurrentEndpoint();
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#if 0
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// TODO: impl receivechar()/recvchar()
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Endpoint_SelectEndpoint(CONSOLE_OUT_EPNUM);
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/* Check to see if a packet has been sent from the host */
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if (Endpoint_IsOUTReceived())
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{
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/* Check to see if the packet contains data */
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if (Endpoint_IsReadWriteAllowed())
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{
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/* Create a temporary buffer to hold the read in report from the host */
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uint8_t ConsoleData[CONSOLE_EPSIZE];
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/* Read Console Report Data */
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Endpoint_Read_Stream_LE(&ConsoleData, sizeof(ConsoleData), NULL);
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/* Process Console Report Data */
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//ProcessConsoleHIDReport(ConsoleData);
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}
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/* Finalize the stream transfer to send the last packet */
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Endpoint_ClearOUT();
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}
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#endif
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/* IN packet */
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Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
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if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
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Endpoint_SelectEndpoint(ep);
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return;
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}
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// fill empty bank
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while (Endpoint_IsReadWriteAllowed())
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Endpoint_Write_8(0);
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// flash senchar packet
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if (Endpoint_IsINReady()) {
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Endpoint_ClearIN();
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}
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Endpoint_SelectEndpoint(ep);
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}
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#endif
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/*******************************************************************************
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* USB Events
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******************************************************************************/
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/*
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* Event Order of Plug in:
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* 0) EVENT_USB_Device_Connect
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* 1) EVENT_USB_Device_Suspend
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* 2) EVENT_USB_Device_Reset
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* 3) EVENT_USB_Device_Wake
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*/
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void EVENT_USB_Device_Connect(void)
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{
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print("[C]");
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/* For battery powered device */
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if (!USB_IsInitialized) {
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USB_Disable();
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USB_Init();
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USB_Device_EnableSOFEvents();
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}
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}
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void EVENT_USB_Device_Disconnect(void)
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{
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print("[D]");
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/* For battery powered device */
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USB_IsInitialized = false;
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/* TODO: This doesn't work. After several plug in/outs can not be enumerated.
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if (USB_IsInitialized) {
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USB_Disable(); // Disable all interrupts
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USB_Controller_Enable();
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USB_INT_Enable(USB_INT_VBUSTI);
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}
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*/
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}
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void EVENT_USB_Device_Reset(void)
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{
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print("[R]");
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}
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void EVENT_USB_Device_Suspend()
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{
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print("[S]");
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#ifdef SLEEP_LED_ENABLE
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sleep_led_enable();
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#endif
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}
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void EVENT_USB_Device_WakeUp()
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{
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print("[W]");
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suspend_wakeup_init();
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#ifdef SLEEP_LED_ENABLE
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sleep_led_disable();
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// NOTE: converters may not accept this
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led_set(host_keyboard_leds());
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#endif
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}
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#ifdef CONSOLE_ENABLE
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static bool console_flush = false;
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#define CONSOLE_FLUSH_SET(b) do { \
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uint8_t sreg = SREG; cli(); console_flush = b; SREG = sreg; \
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} while (0)
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// called every 1ms
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void EVENT_USB_Device_StartOfFrame(void)
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{
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static uint8_t count;
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if (++count % 50) return;
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count = 0;
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if (!console_flush) return;
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Console_Task();
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console_flush = false;
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}
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#endif
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/** Event handler for the USB_ConfigurationChanged event.
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* This is fired when the host sets the current configuration of the USB device after enumeration.
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*
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* ATMega32u2 supports dual bank(ping-pong mode) only on endpoint 3 and 4,
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* it is safe to use singl bank for all endpoints.
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*/
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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bool ConfigSuccess = true;
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/* Setup Keyboard HID Report Endpoints */
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ConfigSuccess &= ENDPOINT_CONFIG(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
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#ifdef MOUSE_ENABLE
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/* Setup Mouse HID Report Endpoint */
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ConfigSuccess &= ENDPOINT_CONFIG(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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MOUSE_EPSIZE, ENDPOINT_BANK_SINGLE);
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#endif
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#ifdef EXTRAKEY_ENABLE
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/* Setup Extra HID Report Endpoint */
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ConfigSuccess &= ENDPOINT_CONFIG(EXTRAKEY_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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EXTRAKEY_EPSIZE, ENDPOINT_BANK_SINGLE);
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#endif
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#ifdef CONSOLE_ENABLE
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/* Setup Console HID Report Endpoints */
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ConfigSuccess &= ENDPOINT_CONFIG(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
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#if 0
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ConfigSuccess &= ENDPOINT_CONFIG(CONSOLE_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
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CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
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#endif
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#endif
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#ifdef NKRO_ENABLE
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/* Setup NKRO HID Report Endpoints */
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ConfigSuccess &= ENDPOINT_CONFIG(NKRO_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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NKRO_EPSIZE, ENDPOINT_BANK_SINGLE);
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#endif
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#ifdef MIDI_ENABLE
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ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
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ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
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#endif
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#ifdef VIRTSER_ENABLE
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ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, ENDPOINT_BANK_SINGLE);
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ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_OUT_EPADDR, EP_TYPE_BULK, CDC_EPSIZE, ENDPOINT_BANK_SINGLE);
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ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_IN_EPADDR, EP_TYPE_BULK, CDC_EPSIZE, ENDPOINT_BANK_SINGLE);
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#endif
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}
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/*
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Appendix G: HID Request Support Requirements
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The following table enumerates the requests that need to be supported by various types of HID class devices.
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Device type GetReport SetReport GetIdle SetIdle GetProtocol SetProtocol
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------------------------------------------------------------------------------------------
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Boot Mouse Required Optional Optional Optional Required Required
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Non-Boot Mouse Required Optional Optional Optional Optional Optional
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Boot Keyboard Required Optional Required Required Required Required
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Non-Boot Keybrd Required Optional Required Required Optional Optional
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Other Device Required Optional Optional Optional Optional Optional
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*/
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/** Event handler for the USB_ControlRequest event.
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* This is fired before passing along unhandled control requests to the library for processing internally.
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*/
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void EVENT_USB_Device_ControlRequest(void)
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{
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uint8_t* ReportData = NULL;
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uint8_t ReportSize = 0;
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/* Handle HID Class specific requests */
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switch (USB_ControlRequest.bRequest)
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{
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case HID_REQ_GetReport:
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if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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// Interface
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switch (USB_ControlRequest.wIndex) {
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case KEYBOARD_INTERFACE:
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// TODO: test/check
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ReportData = (uint8_t*)&keyboard_report_sent;
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ReportSize = sizeof(keyboard_report_sent);
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break;
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}
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/* Write the report data to the control endpoint */
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Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
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Endpoint_ClearOUT();
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}
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break;
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case HID_REQ_SetReport:
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if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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// Interface
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switch (USB_ControlRequest.wIndex) {
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case KEYBOARD_INTERFACE:
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#ifdef NKRO_ENABLE
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case NKRO_INTERFACE:
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#endif
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Endpoint_ClearSETUP();
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while (!(Endpoint_IsOUTReceived())) {
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if (USB_DeviceState == DEVICE_STATE_Unattached)
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return;
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}
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keyboard_led_stats = Endpoint_Read_8();
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Endpoint_ClearOUT();
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Endpoint_ClearStatusStage();
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break;
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}
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}
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break;
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case HID_REQ_GetProtocol:
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if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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if (USB_ControlRequest.wIndex == KEYBOARD_INTERFACE) {
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Endpoint_ClearSETUP();
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while (!(Endpoint_IsINReady()));
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Endpoint_Write_8(keyboard_protocol);
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Endpoint_ClearIN();
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Endpoint_ClearStatusStage();
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}
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}
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break;
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case HID_REQ_SetProtocol:
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if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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if (USB_ControlRequest.wIndex == KEYBOARD_INTERFACE) {
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Endpoint_ClearSETUP();
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Endpoint_ClearStatusStage();
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keyboard_protocol = (USB_ControlRequest.wValue & 0xFF);
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clear_keyboard();
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}
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}
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break;
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case HID_REQ_SetIdle:
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if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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Endpoint_ClearStatusStage();
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keyboard_idle = ((USB_ControlRequest.wValue & 0xFF00) >> 8);
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}
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break;
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case HID_REQ_GetIdle:
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if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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while (!(Endpoint_IsINReady()));
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Endpoint_Write_8(keyboard_idle);
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Endpoint_ClearIN();
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Endpoint_ClearStatusStage();
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}
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break;
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}
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#ifdef VIRTSER_ENABLE
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CDC_Device_ProcessControlRequest(&cdc_device);
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#endif
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}
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|
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/*******************************************************************************
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* Host driver
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p
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******************************************************************************/
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static uint8_t keyboard_leds(void)
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{
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return keyboard_led_stats;
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}
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|
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static void send_keyboard(report_keyboard_t *report)
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{
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#ifdef BLUETOOTH_ENABLE
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bluefruit_serial_send(0xFD);
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for (uint8_t i = 0; i < KEYBOARD_EPSIZE; i++) {
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bluefruit_serial_send(report->raw[i]);
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}
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#endif
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uint8_t timeout = 255;
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|
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return;
|
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|
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/* Select the Keyboard Report Endpoint */
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keyboard_nkro) {
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/* Report protocol - NKRO */
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Endpoint_SelectEndpoint(NKRO_IN_EPNUM);
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|
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/* Check if write ready for a polling interval around 1ms */
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while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(4);
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if (!Endpoint_IsReadWriteAllowed()) return;
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|
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/* Write Keyboard Report Data */
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Endpoint_Write_Stream_LE(report, NKRO_EPSIZE, NULL);
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}
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else
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#endif
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{
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/* Boot protocol */
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Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
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|
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/* Check if write ready for a polling interval around 10ms */
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while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
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if (!Endpoint_IsReadWriteAllowed()) return;
|
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|
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/* Write Keyboard Report Data */
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Endpoint_Write_Stream_LE(report, KEYBOARD_EPSIZE, NULL);
|
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}
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|
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/* Finalize the stream transfer to send the last packet */
|
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Endpoint_ClearIN();
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keyboard_report_sent = *report;
|
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}
|
|
|
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static void send_mouse(report_mouse_t *report)
|
|
{
|
|
#ifdef MOUSE_ENABLE
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|
|
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#ifdef BLUETOOTH_ENABLE
|
|
bluefruit_serial_send(0xFD);
|
|
bluefruit_serial_send(0x00);
|
|
bluefruit_serial_send(0x03);
|
|
bluefruit_serial_send(report->buttons);
|
|
bluefruit_serial_send(report->x);
|
|
bluefruit_serial_send(report->y);
|
|
bluefruit_serial_send(report->v); // should try sending the wheel v here
|
|
bluefruit_serial_send(report->h); // should try sending the wheel h here
|
|
bluefruit_serial_send(0x00);
|
|
#endif
|
|
|
|
uint8_t timeout = 255;
|
|
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
/* Select the Mouse Report Endpoint */
|
|
Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
|
|
|
|
/* Check if write ready for a polling interval around 10ms */
|
|
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
|
|
if (!Endpoint_IsReadWriteAllowed()) return;
|
|
|
|
/* Write Mouse Report Data */
|
|
Endpoint_Write_Stream_LE(report, sizeof(report_mouse_t), NULL);
|
|
|
|
/* Finalize the stream transfer to send the last packet */
|
|
Endpoint_ClearIN();
|
|
#endif
|
|
}
|
|
|
|
static void send_system(uint16_t data)
|
|
{
|
|
uint8_t timeout = 255;
|
|
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
report_extra_t r = {
|
|
.report_id = REPORT_ID_SYSTEM,
|
|
.usage = data
|
|
};
|
|
Endpoint_SelectEndpoint(EXTRAKEY_IN_EPNUM);
|
|
|
|
/* Check if write ready for a polling interval around 10ms */
|
|
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
|
|
if (!Endpoint_IsReadWriteAllowed()) return;
|
|
|
|
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
static void send_consumer(uint16_t data)
|
|
{
|
|
|
|
#ifdef BLUETOOTH_ENABLE
|
|
static uint16_t last_data = 0;
|
|
if (data == last_data) return;
|
|
last_data = data;
|
|
uint16_t bitmap = CONSUMER2BLUEFRUIT(data);
|
|
bluefruit_serial_send(0xFD);
|
|
bluefruit_serial_send(0x00);
|
|
bluefruit_serial_send(0x02);
|
|
bluefruit_serial_send((bitmap>>8)&0xFF);
|
|
bluefruit_serial_send(bitmap&0xFF);
|
|
bluefruit_serial_send(0x00);
|
|
bluefruit_serial_send(0x00);
|
|
bluefruit_serial_send(0x00);
|
|
bluefruit_serial_send(0x00);
|
|
#endif
|
|
|
|
uint8_t timeout = 255;
|
|
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
|
|
report_extra_t r = {
|
|
.report_id = REPORT_ID_CONSUMER,
|
|
.usage = data
|
|
};
|
|
Endpoint_SelectEndpoint(EXTRAKEY_IN_EPNUM);
|
|
|
|
/* Check if write ready for a polling interval around 10ms */
|
|
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
|
|
if (!Endpoint_IsReadWriteAllowed()) return;
|
|
|
|
Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
* sendchar
|
|
******************************************************************************/
|
|
#ifdef CONSOLE_ENABLE
|
|
#define SEND_TIMEOUT 5
|
|
int8_t sendchar(uint8_t c)
|
|
{
|
|
// Not wait once timeouted.
|
|
// Because sendchar() is called so many times, waiting each call causes big lag.
|
|
static bool timeouted = false;
|
|
|
|
// prevents Console_Task() from running during sendchar() runs.
|
|
// or char will be lost. These two function is mutually exclusive.
|
|
CONSOLE_FLUSH_SET(false);
|
|
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return -1;
|
|
|
|
uint8_t ep = Endpoint_GetCurrentEndpoint();
|
|
Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
|
|
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
|
|
goto ERROR_EXIT;
|
|
}
|
|
|
|
if (timeouted && !Endpoint_IsReadWriteAllowed()) {
|
|
goto ERROR_EXIT;
|
|
}
|
|
|
|
timeouted = false;
|
|
|
|
uint8_t timeout = SEND_TIMEOUT;
|
|
while (!Endpoint_IsReadWriteAllowed()) {
|
|
if (USB_DeviceState != DEVICE_STATE_Configured) {
|
|
goto ERROR_EXIT;
|
|
}
|
|
if (Endpoint_IsStalled()) {
|
|
goto ERROR_EXIT;
|
|
}
|
|
if (!(timeout--)) {
|
|
timeouted = true;
|
|
goto ERROR_EXIT;
|
|
}
|
|
_delay_ms(1);
|
|
}
|
|
|
|
Endpoint_Write_8(c);
|
|
|
|
// send when bank is full
|
|
if (!Endpoint_IsReadWriteAllowed()) {
|
|
while (!(Endpoint_IsINReady()));
|
|
Endpoint_ClearIN();
|
|
} else {
|
|
CONSOLE_FLUSH_SET(true);
|
|
}
|
|
|
|
Endpoint_SelectEndpoint(ep);
|
|
return 0;
|
|
ERROR_EXIT:
|
|
Endpoint_SelectEndpoint(ep);
|
|
return -1;
|
|
}
|
|
#else
|
|
int8_t sendchar(uint8_t c)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
* MIDI
|
|
******************************************************************************/
|
|
|
|
#ifdef MIDI_ENABLE
|
|
void usb_send_func(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
|
|
MIDI_EventPacket_t event;
|
|
event.Data1 = byte0;
|
|
event.Data2 = byte1;
|
|
event.Data3 = byte2;
|
|
|
|
uint8_t cable = 0;
|
|
|
|
// Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPNUM);
|
|
|
|
//if the length is undefined we assume it is a SYSEX message
|
|
if (midi_packet_length(byte0) == UNDEFINED) {
|
|
switch(cnt) {
|
|
case 3:
|
|
if (byte2 == SYSEX_END)
|
|
event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_3);
|
|
else
|
|
event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
|
|
break;
|
|
case 2:
|
|
if (byte1 == SYSEX_END)
|
|
event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_2);
|
|
else
|
|
event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
|
|
break;
|
|
case 1:
|
|
if (byte0 == SYSEX_END)
|
|
event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_1);
|
|
else
|
|
event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
|
|
break;
|
|
default:
|
|
return; //invalid cnt
|
|
}
|
|
} else {
|
|
//deal with 'system common' messages
|
|
//TODO are there any more?
|
|
switch(byte0 & 0xF0){
|
|
case MIDI_SONGPOSITION:
|
|
event.Event = MIDI_EVENT(cable, SYS_COMMON_3);
|
|
break;
|
|
case MIDI_SONGSELECT:
|
|
case MIDI_TC_QUARTERFRAME:
|
|
event.Event = MIDI_EVENT(cable, SYS_COMMON_2);
|
|
break;
|
|
default:
|
|
event.Event = MIDI_EVENT(cable, byte0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Endpoint_Write_Stream_LE(&event, sizeof(event), NULL);
|
|
// Endpoint_ClearIN();
|
|
|
|
MIDI_Device_SendEventPacket(&USB_MIDI_Interface, &event);
|
|
MIDI_Device_Flush(&USB_MIDI_Interface);
|
|
MIDI_Device_USBTask(&USB_MIDI_Interface);
|
|
USB_USBTask();
|
|
}
|
|
|
|
void usb_get_midi(MidiDevice * device) {
|
|
MIDI_EventPacket_t event;
|
|
while (MIDI_Device_ReceiveEventPacket(&USB_MIDI_Interface, &event)) {
|
|
|
|
midi_packet_length_t length = midi_packet_length(event.Data1);
|
|
uint8_t input[3];
|
|
input[0] = event.Data1;
|
|
input[1] = event.Data2;
|
|
input[2] = event.Data3;
|
|
if (length == UNDEFINED) {
|
|
//sysex
|
|
if (event.Event == MIDI_EVENT(0, SYSEX_START_OR_CONT) || event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_3)) {
|
|
length = 3;
|
|
} else if (event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_2)) {
|
|
length = 2;
|
|
} else if(event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_1)) {
|
|
length = 1;
|
|
} else {
|
|
//XXX what to do?
|
|
}
|
|
}
|
|
|
|
//pass the data to the device input function
|
|
if (length != UNDEFINED)
|
|
midi_device_input(device, length, input);
|
|
}
|
|
MIDI_Device_USBTask(&USB_MIDI_Interface);
|
|
USB_USBTask();
|
|
}
|
|
|
|
void midi_usb_init(MidiDevice * device){
|
|
midi_device_init(device);
|
|
midi_device_set_send_func(device, usb_send_func);
|
|
midi_device_set_pre_input_process_func(device, usb_get_midi);
|
|
|
|
SetupHardware();
|
|
sei();
|
|
}
|
|
|
|
void MIDI_Task(void)
|
|
{
|
|
|
|
/* Device must be connected and configured for the task to run */
|
|
dprint("in MIDI_TASK\n");
|
|
if (USB_DeviceState != DEVICE_STATE_Configured)
|
|
return;
|
|
dprint("continuing in MIDI_TASK\n");
|
|
|
|
Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPADDR);
|
|
|
|
if (Endpoint_IsINReady())
|
|
{
|
|
|
|
dprint("Endpoint is ready\n");
|
|
|
|
uint8_t MIDICommand = 0;
|
|
uint8_t MIDIPitch;
|
|
|
|
/* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
|
|
uint8_t Channel = MIDI_CHANNEL(1);
|
|
|
|
MIDICommand = MIDI_COMMAND_NOTE_ON;
|
|
MIDIPitch = 0x3E;
|
|
|
|
/* Check if a MIDI command is to be sent */
|
|
if (MIDICommand)
|
|
{
|
|
dprint("Command exists\n");
|
|
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();
|
|
}
|
|
}
|
|
|
|
|
|
/* 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);
|
|
|
|
/* If the endpoint is now empty, clear the bank */
|
|
if (!(Endpoint_BytesInEndpoint()))
|
|
{
|
|
/* Clear the endpoint ready for new packet */
|
|
Endpoint_ClearOUT();
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
* VIRTUAL SERIAL
|
|
******************************************************************************/
|
|
|
|
#ifdef VIRTSER_ENABLE
|
|
void virtser_init(void)
|
|
{
|
|
cdc_device.State.ControlLineStates.DeviceToHost = CDC_CONTROL_LINE_IN_DSR ;
|
|
CDC_Device_SendControlLineStateChange(&cdc_device);
|
|
}
|
|
|
|
void virtser_recv(uint8_t c) __attribute__ ((weak));
|
|
void virtser_recv(uint8_t c)
|
|
{
|
|
// Ignore by default
|
|
}
|
|
|
|
void virtser_task(void)
|
|
{
|
|
uint16_t count = CDC_Device_BytesReceived(&cdc_device);
|
|
uint8_t ch;
|
|
if (count)
|
|
{
|
|
ch = CDC_Device_ReceiveByte(&cdc_device);
|
|
virtser_recv(ch);
|
|
}
|
|
}
|
|
void virtser_send(const uint8_t byte)
|
|
{
|
|
uint8_t timeout = 255;
|
|
uint8_t ep = Endpoint_GetCurrentEndpoint();
|
|
|
|
if (cdc_device.State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR)
|
|
{
|
|
/* IN packet */
|
|
Endpoint_SelectEndpoint(cdc_device.Config.DataINEndpoint.Address);
|
|
|
|
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
|
|
Endpoint_SelectEndpoint(ep);
|
|
return;
|
|
}
|
|
|
|
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
|
|
|
|
Endpoint_Write_8(byte);
|
|
CDC_Device_Flush(&cdc_device);
|
|
|
|
if (Endpoint_IsINReady()) {
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
Endpoint_SelectEndpoint(ep);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
* main
|
|
******************************************************************************/
|
|
static void setup_mcu(void)
|
|
{
|
|
/* Disable watchdog if enabled by bootloader/fuses */
|
|
MCUSR &= ~(1 << WDRF);
|
|
wdt_disable();
|
|
|
|
/* Disable clock division */
|
|
// clock_prescale_set(clock_div_1);
|
|
|
|
CLKPR = (1 << CLKPCE);
|
|
CLKPR = (0 << CLKPS3) | (0 << CLKPS2) | (0 << CLKPS1) | (0 << CLKPS0);
|
|
}
|
|
|
|
static void setup_usb(void)
|
|
{
|
|
// Leonardo needs. Without this USB device is not recognized.
|
|
USB_Disable();
|
|
|
|
USB_Init();
|
|
|
|
// for Console_Task
|
|
USB_Device_EnableSOFEvents();
|
|
print_set_sendchar(sendchar);
|
|
}
|
|
|
|
|
|
#ifdef MIDI_ENABLE
|
|
void fallthrough_callback(MidiDevice * device,
|
|
uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2);
|
|
void cc_callback(MidiDevice * device,
|
|
uint8_t chan, uint8_t num, uint8_t val);
|
|
void sysex_callback(MidiDevice * device,
|
|
uint16_t start, uint8_t length, uint8_t * data);
|
|
#endif
|
|
|
|
int main(void) __attribute__ ((weak));
|
|
int main(void)
|
|
{
|
|
|
|
#ifdef MIDI_ENABLE
|
|
midi_device_init(&midi_device);
|
|
midi_device_set_send_func(&midi_device, usb_send_func);
|
|
midi_device_set_pre_input_process_func(&midi_device, usb_get_midi);
|
|
#endif
|
|
|
|
setup_mcu();
|
|
keyboard_setup();
|
|
setup_usb();
|
|
sei();
|
|
|
|
#ifdef MIDI_ENABLE
|
|
midi_register_fallthrough_callback(&midi_device, fallthrough_callback);
|
|
midi_register_cc_callback(&midi_device, cc_callback);
|
|
midi_register_sysex_callback(&midi_device, sysex_callback);
|
|
|
|
// init_notes();
|
|
// midi_send_cc(&midi_device, 0, 1, 2);
|
|
// midi_send_cc(&midi_device, 15, 1, 0);
|
|
// midi_send_noteon(&midi_device, 0, 64, 127);
|
|
// midi_send_noteoff(&midi_device, 0, 64, 127);
|
|
#endif
|
|
|
|
#ifdef BLUETOOTH_ENABLE
|
|
serial_init();
|
|
#endif
|
|
|
|
/* wait for USB startup & debug output */
|
|
|
|
#ifdef WAIT_FOR_USB
|
|
while (USB_DeviceState != DEVICE_STATE_Configured) {
|
|
#if defined(INTERRUPT_CONTROL_ENDPOINT)
|
|
;
|
|
#else
|
|
USB_USBTask();
|
|
#endif
|
|
}
|
|
print("USB configured.\n");
|
|
#else
|
|
USB_USBTask();
|
|
#endif
|
|
/* init modules */
|
|
keyboard_init();
|
|
host_set_driver(&lufa_driver);
|
|
#ifdef SLEEP_LED_ENABLE
|
|
sleep_led_init();
|
|
#endif
|
|
|
|
#ifdef VIRTSER_ENABLE
|
|
virtser_init();
|
|
#endif
|
|
|
|
print("Keyboard start.\n");
|
|
while (1) {
|
|
#ifndef BLUETOOTH_ENABLE
|
|
while (USB_DeviceState == DEVICE_STATE_Suspended) {
|
|
print("[s]");
|
|
suspend_power_down();
|
|
if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
|
|
USB_Device_SendRemoteWakeup();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef MIDI_ENABLE
|
|
midi_device_process(&midi_device);
|
|
// MIDI_Task();
|
|
#endif
|
|
keyboard_task();
|
|
|
|
#ifdef VIRTSER_ENABLE
|
|
virtser_task();
|
|
CDC_Device_USBTask(&cdc_device);
|
|
#endif
|
|
|
|
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
|
|
USB_USBTask();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#ifdef MIDI_ENABLE
|
|
void fallthrough_callback(MidiDevice * device,
|
|
uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2){
|
|
|
|
#ifdef AUDIO_ENABLE
|
|
if (cnt == 3) {
|
|
switch (byte0 & 0xF0) {
|
|
case MIDI_NOTEON:
|
|
play_note(((double)261.6)*pow(2.0, -4.0)*pow(2.0,(byte1 & 0x7F)/12.0), (byte2 & 0x7F) / 8);
|
|
break;
|
|
case MIDI_NOTEOFF:
|
|
stop_note(((double)261.6)*pow(2.0, -4.0)*pow(2.0,(byte1 & 0x7F)/12.0));
|
|
break;
|
|
}
|
|
}
|
|
if (byte0 == MIDI_STOP) {
|
|
stop_all_notes();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void cc_callback(MidiDevice * device,
|
|
uint8_t chan, uint8_t num, uint8_t val) {
|
|
//sending it back on the next channel
|
|
midi_send_cc(device, (chan + 1) % 16, num, val);
|
|
}
|
|
|
|
void sysex_callback(MidiDevice * device,
|
|
uint16_t start, uint8_t length, uint8_t * data) {
|
|
for (int i = 0; i < length; i++)
|
|
midi_send_cc(device, 15, 0x7F & data[i], 0x7F & (start + i));
|
|
}
|
|
#endif
|