Don't fail Doxygen on versions built without various features.
[pub/USBasp.git] / Demos / Device / LowLevel / VirtualSerial / VirtualSerial.c
index ac88c3e..cdd3585 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2014.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2014  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
  *  It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
  *  serial link characteristics and instead sends and receives data in endpoint streams.
  */
-CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 0,
-                                    .CharFormat  = CDC_LINEENCODING_OneStopBit,
-                                    .ParityType  = CDC_PARITY_None,
-                                    .DataBits    = 8                            };
+static CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 0,
+                                           .CharFormat  = CDC_LINEENCODING_OneStopBit,
+                                           .ParityType  = CDC_PARITY_None,
+                                           .DataBits    = 8                            };
+
 
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
@@ -57,7 +58,7 @@ int main(void)
        SetupHardware();
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-       sei();
+       GlobalInterruptEnable();
 
        for (;;)
        {
@@ -69,12 +70,24 @@ 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();
@@ -108,12 +121,9 @@ void EVENT_USB_Device_ConfigurationChanged(void)
        bool ConfigSuccess = true;
 
        /* Setup CDC Data Endpoints */
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
-                                                   CDC_NOTIFICATION_EPSIZE, ENDPOINT_BANK_SINGLE);
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN,
-                                                   CDC_TXRX_EPSIZE, ENDPOINT_BANK_SINGLE);
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
-                                                   CDC_TXRX_EPSIZE, ENDPOINT_BANK_SINGLE);
+       ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
+       ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
+       ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_RX_EPADDR, EP_TYPE_BULK,  CDC_TXRX_EPSIZE, 1);
 
        /* Reset line encoding baud rate so that the host knows to send new values */
        LineEncoding.BaudRateBPS = 0;
@@ -200,10 +210,10 @@ void CDC_Task(void)
                ActionSent = true;
 
                /* Select the Serial Tx Endpoint */
-               Endpoint_SelectEndpoint(CDC_TX_EPNUM);
+               Endpoint_SelectEndpoint(CDC_TX_EPADDR);
 
                /* Write the String to the Endpoint */
-               Endpoint_Write_Stream_LE(ReportString, strlen(ReportString));
+               Endpoint_Write_Stream_LE(ReportString, strlen(ReportString), NULL);
 
                /* Remember if the packet to send completely fills the endpoint */
                bool IsFull = (Endpoint_BytesInEndpoint() == CDC_TXRX_EPSIZE);
@@ -224,7 +234,7 @@ void CDC_Task(void)
        }
 
        /* Select the Serial Rx Endpoint */
-       Endpoint_SelectEndpoint(CDC_RX_EPNUM);
+       Endpoint_SelectEndpoint(CDC_RX_EPADDR);
 
        /* Throw away any received data from the host */
        if (Endpoint_IsOUTReceived())