Patched the LUFA build system to work around a GCC code generation bug in newer toolc...
[pub/USBasp.git] / Demos / Device / ClassDriver / VirtualSerial / VirtualSerial.c
index 6dac7b9..2d98df7 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2014.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  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
@@ -44,27 +44,34 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
        {
                .Config =
                        {
-                               .ControlInterfaceNumber         = 0,
-
-                               .DataINEndpointNumber           = CDC_TX_EPNUM,
-                               .DataINEndpointSize             = CDC_TXRX_EPSIZE,
-                               .DataINEndpointDoubleBank       = false,
-
-                               .DataOUTEndpointNumber          = CDC_RX_EPNUM,
-                               .DataOUTEndpointSize            = CDC_TXRX_EPSIZE,
-                               .DataOUTEndpointDoubleBank      = false,
-
-                               .NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,
-                               .NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,
-                               .NotificationEndpointDoubleBank = false,
+                               .ControlInterfaceNumber   = INTERFACE_ID_CDC_CCI,
+                               .DataINEndpoint           =
+                                       {
+                                               .Address          = CDC_TX_EPADDR,
+                                               .Size             = CDC_TXRX_EPSIZE,
+                                               .Banks            = 1,
+                                       },
+                               .DataOUTEndpoint =
+                                       {
+                                               .Address          = CDC_RX_EPADDR,
+                                               .Size             = CDC_TXRX_EPSIZE,
+                                               .Banks            = 1,
+                                       },
+                               .NotificationEndpoint =
+                                       {
+                                               .Address          = CDC_NOTIFICATION_EPADDR,
+                                               .Size             = CDC_NOTIFICATION_EPSIZE,
+                                               .Banks            = 1,
+                                       },
                        },
        };
 
 /** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be
- *  used like any regular character stream in the C APIs
+ *  used like any regular character stream in the C APIs.
  */
 static FILE USBSerialStream;
 
+
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
  */
@@ -76,7 +83,7 @@ int main(void)
        CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-       sei();
+       GlobalInterruptEnable();
 
        for (;;)
        {
@@ -93,12 +100,24 @@ 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();