Move new Class Driver powered demos to a new ClassDriver subdirectory, re-add old...

[pub/lufa.git] / Demos / Device / ClassDriver / CDC / CDC.c

diff --git a/Demos/Device/ClassDriver/CDC/CDC.c b/Demos/Device/ClassDriver/CDC/CDC.c
new file mode 100644 (file)
index 0000000..6f15393
--- /dev/null
+++ b/Demos/Device/ClassDriver/CDC/CDC.c
@@ -0,0 +1,157 @@
+/*\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 CDC demo. This file contains the main tasks of\r
+ *  the demo and is responsible for the initial application hardware configuration.\r
+ */\r
+ \r
+#include "CDC.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.\r
+ */\r
+USB_ClassInfo_CDC_t VirtualSerial_CDC_Interface =\r
+       {\r
+               .ControlInterfaceNumber     = 0,\r
+\r
+               .DataINEndpointNumber       = CDC_TX_EPNUM,\r
+               .DataINEndpointSize         = CDC_TXRX_EPSIZE,\r
+\r
+               .DataOUTEndpointNumber      = CDC_RX_EPNUM,\r
+               .DataOUTEndpointSize        = CDC_TXRX_EPSIZE,\r
+\r
+               .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,\r
+               .NotificationEndpointSize   = CDC_NOTIFICATION_EPSIZE,\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
+               uint16_t BytesToDiscard = USB_CDC_BytesReceived(&VirtualSerial_CDC_Interface);\r
+               while (BytesToDiscard--)\r
+                 USB_CDC_ReceiveByte(&VirtualSerial_CDC_Interface);\r
+\r
+               USB_CDC_USBTask(&VirtualSerial_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
+void CheckJoystickMovement(void)\r
+{\r
+       uint8_t     JoyStatus_LCL = Joystick_GetStatus();\r
+       char*       ReportString  = NULL;\r
+       static bool ActionSent    = false;\r
+       \r
+       char* JoystickStrings[] =\r
+               {\r
+                       "Joystick Up\r\n",\r
+                       "Joystick Down\r\n",\r
+                       "Joystick Left\r\n",\r
+                       "Joystick Right\r\n",\r
+                       "Joystick Pressed\r\n",\r
+               };\r
+\r
+       if (JoyStatus_LCL & JOY_UP)\r
+         ReportString = JoystickStrings[0];\r
+       else if (JoyStatus_LCL & JOY_DOWN)\r
+         ReportString = JoystickStrings[1];\r
+       else if (JoyStatus_LCL & JOY_LEFT)\r
+         ReportString = JoystickStrings[2];\r
+       else if (JoyStatus_LCL & JOY_RIGHT)\r
+         ReportString = JoystickStrings[3];\r
+       else if (JoyStatus_LCL & JOY_PRESS)\r
+         ReportString = JoystickStrings[4];\r
+       else\r
+         ActionSent = false;\r
+         \r
+       if ((ReportString != NULL) && (ActionSent == false))\r
+       {\r
+               ActionSent = true;\r
+               \r
+               USB_CDC_SendString(&VirtualSerial_CDC_Interface, ReportString, strlen(ReportString));           \r
+       }\r
+}\r
+\r
+/** Event handler for the library USB Connection event. */\r
+void EVENT_USB_Connect(void)\r
+{\r
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+}\r
+\r
+/** Event handler for the library USB Disconnection event. */\r
+void EVENT_USB_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_ConfigurationChanged(void)\r
+{\r
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+\r
+       if (!(USB_CDC_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))\r
+         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+}\r
+\r
+/** Event handler for the library USB Unhandled Control Packet event. */\r
+void EVENT_USB_UnhandledControlPacket(void)\r
+{\r
+       USB_CDC_ProcessControlPacket(&VirtualSerial_CDC_Interface);\r
+}\r