Rename CDC demos to VirtualSerial.
[pub/lufa.git] / Demos / Device / ClassDriver / DualVirtualSerial / DualCDC.c
diff --git a/Demos/Device/ClassDriver/DualVirtualSerial/DualCDC.c b/Demos/Device/ClassDriver/DualVirtualSerial/DualCDC.c
new file mode 100644 (file)
index 0000000..000d18b
--- /dev/null
@@ -0,0 +1,191 @@
+/*\r
+             LUFA Library\r
+     Copyright (C) Dean Camera, 2009.\r
+              \r
+  dean [at] fourwalledcubicle [dot] com\r
+      www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, and distribute this software\r
+  and its documentation for any purpose and without fee is hereby\r
+  granted, provided that the above copyright notice appear in all\r
+  copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting\r
+  documentation, and that the name of the author not be used in\r
+  advertising or publicity pertaining to distribution of the\r
+  software without specific, written prior permission.\r
+\r
+  The author disclaim all warranties with regard to this\r
+  software, including all implied warranties of merchantability\r
+  and fitness.  In no event shall the author be liable for any\r
+  special, indirect or consequential damages or any damages\r
+  whatsoever resulting from loss of use, data or profits, whether\r
+  in an action of contract, negligence or other tortious action,\r
+  arising out of or in connection with the use or performance of\r
+  this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ *  Main source file for the DualCDC demo. This file contains the main tasks of\r
+ *  the demo and is responsible for the initial application hardware configuration.\r
+ */\r
+\r
+#include "DualCDC.h"\r
+\r
+/** LUFA CDC Class driver interface configuration and state information. This structure is\r
+ *  passed to all CDC Class driver functions, so that multiple instances of the same class\r
+ *  within a device can be differentiated from one another. This is for the first CDC interface,\r
+ *  which sends strings to the host for each joystick movement.\r
+ */\r
+USB_ClassInfo_CDC_Device_t VirtualSerial1_CDC_Interface =\r
+       {\r
+               .Config =\r
+                       {\r
+                               .ControlInterfaceNumber           = 0,\r
+\r
+                               .DataINEndpointNumber             = CDC1_TX_EPNUM,\r
+                               .DataINEndpointSize               = CDC_TXRX_EPSIZE,\r
+                               .DataINEndpointDoubleBank         = false,\r
+\r
+                               .DataOUTEndpointNumber            = CDC1_RX_EPNUM,\r
+                               .DataOUTEndpointSize              = CDC_TXRX_EPSIZE,\r
+                               .DataOUTEndpointDoubleBank        = false,\r
+\r
+                               .NotificationEndpointNumber       = CDC1_NOTIFICATION_EPNUM,\r
+                               .NotificationEndpointSize         = CDC_NOTIFICATION_EPSIZE,\r
+                               .NotificationEndpointDoubleBank   = false,\r
+                       },\r
+       };\r
+\r
+/** LUFA CDC Class driver interface configuration and state information. This structure is\r
+ *  passed to all CDC Class driver functions, so that multiple instances of the same class\r
+ *  within a device can be differentiated from one another. This is for the second CDC interface,\r
+ *  which echos back all received data from the host.\r
+ */\r
+USB_ClassInfo_CDC_Device_t VirtualSerial2_CDC_Interface =\r
+       {\r
+               .Config =\r
+                       {\r
+                               .ControlInterfaceNumber           = 2,\r
+\r
+                               .DataINEndpointNumber             = CDC2_TX_EPNUM,\r
+                               .DataINEndpointSize               = CDC_TXRX_EPSIZE,\r
+                               .DataINEndpointDoubleBank         = false,\r
+\r
+                               .DataOUTEndpointNumber            = CDC2_RX_EPNUM,\r
+                               .DataOUTEndpointSize              = CDC_TXRX_EPSIZE,\r
+                               .DataOUTEndpointDoubleBank        = false,\r
+\r
+                               .NotificationEndpointNumber       = CDC2_NOTIFICATION_EPNUM,\r
+                               .NotificationEndpointSize         = CDC_NOTIFICATION_EPSIZE,\r
+                               .NotificationEndpointDoubleBank   = false,\r
+                       },\r
+       };\r
+\r
+/** Main program entry point. This routine contains the overall program flow, including initial\r
+ *  setup of all components and the main program loop.\r
+ */\r
+int main(void)\r
+{\r
+       SetupHardware();\r
+       \r
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+       for (;;)\r
+       {\r
+               CheckJoystickMovement();\r
+\r
+               /* Discard all received data on the first CDC interface */\r
+               while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface))\r
+                 CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);\r
+\r
+               /* Echo all received data on the second CDC interface */\r
+               while (CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface))\r
+                 CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface));\r
+                 \r
+               CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);\r
+               CDC_Device_USBTask(&VirtualSerial2_CDC_Interface);\r
+               USB_USBTask();\r
+       }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
+       /* Disable watchdog if enabled by bootloader/fuses */\r
+       MCUSR &= ~(1 << WDRF);\r
+       wdt_disable();\r
+\r
+       /* Disable clock division */\r
+       clock_prescale_set(clock_div_1);\r
+\r
+       /* Hardware Initialization */\r
+       Joystick_Init();\r
+       LEDs_Init();\r
+       USB_Init();\r
+}\r
+\r
+/** Checks for changes in the position of the board joystick, sending strings to the host upon each change\r
+ *  through the first of the CDC interfaces.\r
+ */\r
+void CheckJoystickMovement(void)\r
+{\r
+       uint8_t     JoyStatus_LCL = Joystick_GetStatus();\r
+       char*       ReportString  = NULL;\r
+       static bool ActionSent = false;\r
+\r
+       if (JoyStatus_LCL & JOY_UP)\r
+         ReportString = "Joystick Up\r\n";\r
+       else if (JoyStatus_LCL & JOY_DOWN)\r
+         ReportString = "Joystick Down\r\n";\r
+       else if (JoyStatus_LCL & JOY_LEFT)\r
+         ReportString = "Joystick Left\r\n";\r
+       else if (JoyStatus_LCL & JOY_RIGHT)\r
+         ReportString = "Joystick Right\r\n";\r
+       else if (JoyStatus_LCL & JOY_PRESS)\r
+         ReportString = "Joystick Pressed\r\n";\r
+       else\r
+         ActionSent = false;\r
+         \r
+       if ((ReportString != NULL) && (ActionSent == false))\r
+       {\r
+               ActionSent = true;\r
+               \r
+               CDC_Device_SendString(&VirtualSerial1_CDC_Interface, ReportString, strlen(ReportString));               \r
+       }\r
+}\r
+\r
+/** Event handler for the library USB Connection event. */\r
+void EVENT_USB_Device_Connect(void)\r
+{\r
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+}\r
+\r
+/** Event handler for the library USB Disconnection event. */\r
+void EVENT_USB_Device_Disconnect(void)\r
+{\r
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+}\r
+\r
+/** Event handler for the library USB Configuration Changed event. */\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
+{\r
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+\r
+       if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial1_CDC_Interface)))\r
+         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+\r
+       if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial2_CDC_Interface)))\r
+         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+}\r
+\r
+/** Event handler for the library USB Unhandled Control Request event. */\r
+void EVENT_USB_Device_UnhandledControlRequest(void)\r
+{\r
+       CDC_Device_ProcessControlRequest(&VirtualSerial1_CDC_Interface);\r
+       CDC_Device_ProcessControlRequest(&VirtualSerial2_CDC_Interface);\r
+}\r