Update documentation and reset version information post-release.
[pub/USBasp.git] / Demos / Device / ClassDriver / DualVirtualSerial / DualVirtualSerial.c
index b7d0455..746a007 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2013.
+     Copyright (C) Dean Camera, 2015.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2013  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2015  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
@@ -45,7 +45,7 @@ USB_ClassInfo_CDC_Device_t VirtualSerial1_CDC_Interface =
        {
                .Config =
                        {
-                               .ControlInterfaceNumber   = 0,
+                               .ControlInterfaceNumber   = INTERFACE_ID_CDC1_CCI,
                                .DataINEndpoint           =
                                        {
                                                .Address          = CDC1_TX_EPADDR,
@@ -76,7 +76,7 @@ USB_ClassInfo_CDC_Device_t VirtualSerial2_CDC_Interface =
        {
                .Config =
                        {
-                               .ControlInterfaceNumber   = 2,
+                               .ControlInterfaceNumber   = INTERFACE_ID_CDC2_CCI,
                                .DataINEndpoint           =
                                        {
                                                .Address          = CDC2_TX_EPADDR,
@@ -131,12 +131,24 @@ 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();
@@ -204,3 +216,27 @@ void EVENT_USB_Device_ControlRequest(void)
        CDC_Device_ProcessControlRequest(&VirtualSerial2_CDC_Interface);
 }
 
+/** CDC class driver callback function the processing of changes to the virtual
+ *  control lines sent from the host..
+ *
+ *  \param[in] CDCInterfaceInfo  Pointer to the CDC class interface configuration structure being referenced
+ */
+void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t *const CDCInterfaceInfo)
+{
+       /* You can get changes to the virtual CDC lines in this callback; a common
+          use-case is to use the Data Terminal Ready (DTR) flag to enable and
+          disable CDC communications in your application when set to avoid the
+          application blocking while waiting for a host to become ready and read
+          in the pending data from the USB endpoints.
+       */
+       bool HostReady = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR) != 0;
+
+       if (CDCInterfaceInfo == &VirtualSerial1_CDC_Interface)
+       {
+               // CDC interface 1's host is ready to send/receive data
+       }
+       else
+       {
+               // CDC interface 2's host is ready to send/receive data
+       }
+}