/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2016.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2016 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
+ 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
int main(void)
{
SetupHardware();
-
+
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
-
+ GlobalInterruptEnable();
+
for (;;)
{
MIDI_Task();
/** 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();
*/
void EVENT_USB_Device_ConfigurationChanged(void)
{
- /* Indicate USB connected and ready */
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ bool ConfigSuccess = true;
- /* Setup MIDI stream endpoints */
- if (!(Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPNUM, EP_TYPE_BULK,
- ENDPOINT_DIR_OUT, MIDI_STREAM_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
-
- if (!(Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPNUM, EP_TYPE_BULK,
- ENDPOINT_DIR_IN, MIDI_STREAM_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
+ /* 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
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
- Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPNUM);
+ 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));
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);
/* Check if a MIDI command is to be sent */
if (MIDICommand)
{
- USB_MIDI_EventPacket_t MIDIEvent = (USB_MIDI_EventPacket_t)
+ MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
{
- .CableNumber = 0,
- .Command = (MIDICommand >> 4),
-
+ .Event = MIDI_EVENT(0, MIDICommand),
+
.Data1 = MIDICommand | Channel,
.Data2 = MIDIPitch,
- .Data3 = MIDI_STANDARD_VELOCITY,
+ .Data3 = MIDI_STANDARD_VELOCITY,
};
-
+
/* Write the MIDI event packet to the endpoint */
- Endpoint_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
-
+ 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_EPNUM);
+ Endpoint_SelectEndpoint(MIDI_STREAM_OUT_EPADDR);
/* Check if a MIDI command has been received */
if (Endpoint_IsOUTReceived())
{
- USB_MIDI_EventPacket_t MIDIEvent;
-
+ MIDI_EventPacket_t MIDIEvent;
+
/* Read the MIDI event packet from the endpoint */
- Endpoint_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
-
+ 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.Command == (MIDI_COMMAND_NOTE_ON >> 4)) && (MIDIEvent.Data3 > 0))
+ 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);
/* Turn off all LEDs in response to non Note On messages */
LEDs_SetAllLEDs(LEDS_NO_LEDS);
}
-
- /* Clear the endpoint ready for new packet */
- Endpoint_ClearOUT();
+
+ /* If the endpoint is now empty, clear the bank */
+ if (!(Endpoint_BytesInEndpoint()))
+ {
+ /* Clear the endpoint ready for new packet */
+ Endpoint_ClearOUT();
+ }
}
}
+
projects / pub / USBasp.git / blobdiff