--- /dev/null
+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2009.\r
+ \r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, and distribute this software\r
+ and its documentation for any purpose and without fee is hereby\r
+ granted, provided that the above copyright notice appear in all\r
+ copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting\r
+ documentation, and that the name of the author not be used in\r
+ advertising or publicity pertaining to distribution of the\r
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ * Main source file for the MIDI bootloader. This file contains the main tasks of the demo and\r
+ * is responsible for the initial application hardware configuration.\r
+ */\r
+\r
+#include "BootloaderMIDI.h"\r
+\r
+/** Main program entry point. This routine configures the hardware required by the application, then\r
+ * starts the scheduler to run the application tasks.\r
+ */\r
+int main(void)\r
+{\r
+ SetupHardware();\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+ for (;;)\r
+ {\r
+ MIDI_Task();\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
+ LEDs_Init();\r
+ USB_Init();\r
+}\r
+\r
+/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */\r
+void EVENT_USB_Device_Connect(void)\r
+{\r
+ /* Indicate USB enumerating */\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+}\r
+\r
+/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via\r
+ * the status LEDs, disables the sample update and PWM output timers and stops the USB and MIDI management tasks.\r
+ */\r
+void EVENT_USB_Device_Disconnect(void)\r
+{\r
+ /* Indicate USB not ready */\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+}\r
+\r
+/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration\r
+ * of the USB device after enumeration - the device endpoints are configured and the MIDI management task started.\r
+ */\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
+{\r
+ /* Indicate USB connected and ready */\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+\r
+ /* Setup MIDI stream endpoints */\r
+ if (!(Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPNUM, EP_TYPE_BULK,\r
+ ENDPOINT_DIR_OUT, MIDI_STREAM_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ } \r
+ \r
+ if (!(Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPNUM, EP_TYPE_BULK,\r
+ ENDPOINT_DIR_IN, MIDI_STREAM_EPSIZE,\r
+ ENDPOINT_BANK_SINGLE)))\r
+ {\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ }\r
+}\r
+\r
+/** Task to handle the generation of MIDI note change events in response to presses of the board joystick, and send them\r
+ * to the host.\r
+ */\r
+void MIDI_Task(void)\r
+{\r
+ /* Device must be connected and configured for the task to run */\r
+ if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ return;\r
+\r
+ /* Select the MIDI OUT stream */\r
+ Endpoint_SelectEndpoint(MIDI_STREAM_OUT_EPNUM);\r
+\r
+ if (Endpoint_IsOUTReceived())\r
+ {\r
+ USB_MIDI_EventPacket_t InPacket;\r
+ Endpoint_Read_Stream_LE(&InPacket, sizeof(InPacket));\r
+ \r
+ LEDs_SetAllLEDs(InPacket.Data2 > 64 ? LEDS_LED1 : LEDS_LED2); \r
+ Endpoint_ClearOUT();\r
+\r
+ uint8_t Channel = InPacket.Data1;\r
+ uint8_t Data = ((InPacket.Data2 & 0x7F) | ((InPacket.Data3 == 64) ? 0x80 : 0x00));\r
+ \r
+ if ((Channel == MIDI_CONTROL_CHANNEL) && (Data == CONTROL_ENTER_PROG_MODE))\r
+ {\r
+ USB_MIDI_EventPacket_t MIDIIn = (USB_MIDI_EventPacket_t)\r
+ {\r
+ .CableNumber = 0,\r
+ .Command = (MIDI_COMMAND_NOTE_ON >> 4),\r
+ \r
+ .Data1 = MIDI_COMMAND_NOTE_ON | MIDI_CONTROL_CHANNEL,\r
+ .Data2 = CONTROL_DEVICE_READY,\r
+ .Data3 = 32, \r
+ };\r
+ \r
+ Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPNUM);\r
+ Endpoint_Write_Stream_LE(&MIDIIn, sizeof(MIDIIn));\r
+ Endpoint_ClearIN();\r
+ }\r
+ }\r
+}\r
projects / pub / lufa.git / blobdiff