Minor documentation improvements.

[pub/USBasp.git] / Demos / Device / LowLevel / MIDI / MIDI.c

diff --git a/Demos/Device/LowLevel/MIDI/MIDI.c b/Demos/Device/LowLevel/MIDI/MIDI.c
index 697a00c..dde13ea 100644 (file)
--- a/Demos/Device/LowLevel/MIDI/MIDI.c
+++ b/Demos/Device/LowLevel/MIDI/MIDI.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2016.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  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
   software and its documentation for any purpose is hereby granted
@@ -18,7 +18,7 @@
   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
@@ -44,7 +44,7 @@ int main(void)
        SetupHardware();
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-       sei();
+       GlobalInterruptEnable();
 
        for (;;)
        {
@@ -56,12 +56,24 @@ int main(void)
 /** 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();
@@ -94,10 +106,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
        bool ConfigSuccess = true;
 
        /* Setup MIDI Data Endpoints */
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN,
-                                                   MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
-                                                   MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
+       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);
@@ -114,7 +124,7 @@ void MIDI_Task(void)
        if (USB_DeviceState != DEVICE_STATE_Configured)
          return;
 
-       Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPNUM);
+       Endpoint_SelectEndpoint(MIDI_STREAM_IN_EPADDR);
 
        if (Endpoint_IsINReady())
        {
@@ -162,8 +172,7 @@ void MIDI_Task(void)
                {
                        MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
                                {
-                                       .CableNumber = 0,
-                                       .Command     = (MIDICommand >> 4),
+                                       .Event       = MIDI_EVENT(0, MIDICommand),
 
                                        .Data1       = MIDICommand | Channel,
                                        .Data2       = MIDIPitch,
@@ -171,7 +180,7 @@ void MIDI_Task(void)
                                };
 
                        /* 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();
@@ -182,7 +191,7 @@ void MIDI_Task(void)
        }
 
        /* 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())
@@ -190,10 +199,10 @@ void MIDI_Task(void)
                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);