-/*\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
-/*\r
- SideShow Class demonstration application. This give a reference\r
- for implementing Microsoft SideShow compatible devices in an\r
- embedded environment. SideShow allows for gadget data displayed\r
- on a Vista machine to also be displayed on an externally connected\r
- interactive display. Upon enumeration on a Vista system, this will\r
- appear as a new SideShow device which can have gadgets loaded onto\r
- it.\r
- \r
- Note that while the incomming content is buffered in packet struct\r
- form, the data is not actually displayed. It is left to the user to\r
- write sufficient code to read out the packed data for display to a\r
- screen.\r
- \r
- Installed gadgets can be accessed through the InstalledApplications\r
- array, with entries that have their InUse flag set being active. As\r
- only the active content is displayed on the device due to memory\r
- constraints, new content can be requested as needed.\r
-*/\r
-\r
-#include "Sideshow.h"\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
- SideShow_Task();\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
- LEDs_Init();\r
- USB_Init();\r
- SerialStream_Init(9600, false);\r
-}\r
-\r
-void EVENT_USB_Connect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-}\r
-\r
-void EVENT_USB_Disconnect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-}\r
-\r
-void EVENT_USB_ConfigurationChanged(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
-\r
- /* Setup Sideshow In and Out Endpoints */\r
- if (!(Endpoint_ConfigureEndpoint(SIDESHOW_IN_EPNUM, EP_TYPE_BULK,\r
- ENDPOINT_DIR_IN, SIDESHOW_IO_EPSIZE,\r
- ENDPOINT_BANK_SINGLE)))\r
- {\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- }\r
-\r
- if (!(Endpoint_ConfigureEndpoint(SIDESHOW_OUT_EPNUM, EP_TYPE_BULK,\r
- ENDPOINT_DIR_OUT, SIDESHOW_IO_EPSIZE,\r
- ENDPOINT_BANK_SINGLE)))\r
- {\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- }\r
-}\r
-\r
-void EVENT_USB_UnhandledControlPacket(void)\r
-{\r
- /* Process UFI specific control requests */\r
- switch (USB_ControlRequest.bRequest)\r
- {\r
- case REQ_GetOSFeatureDescriptor:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE))\r
- {\r
- void* DescriptorPointer;\r
- uint16_t DescriptorSize;\r
-\r
- if (!(USB_GetOSFeatureDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,\r
- &DescriptorPointer, &DescriptorSize)))\r
- {\r
- return;\r
- }\r
- \r
- Endpoint_ClearSETUP();\r
- \r
- Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);\r
- Endpoint_ClearOUT(); \r
- }\r
-\r
- break;\r
- }\r
-}\r
- \r
-void SideShow_Task(void)\r
-{\r
- /* Check if the USB System is connected to a Host */\r
- if (USB_IsConnected)\r
- {\r
- /* Select the SideShow data out endpoint */\r
- Endpoint_SelectEndpoint(SIDESHOW_OUT_EPNUM);\r
- \r
- /* Check to see if a new SideShow message has been received */\r
- if (Endpoint_IsReadWriteAllowed())\r
- {\r
- /* Process the received SideShow message */\r
- Sideshow_ProcessCommandPacket();\r
- }\r
- }\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 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
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim 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
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/*
+ SideShow Class demonstration application. This give a reference
+ for implementing Microsoft SideShow compatible devices in an
+ embedded environment. SideShow allows for gadget data displayed
+ on a Windows Vista or later machine to also be displayed on an
+ externally connected interactive display. Upon enumeration, this will
+ appear as a new SideShow device which can have gadgets loaded onto
+ it.
+
+ Note that while the incoming content is buffered in packet struct
+ form, the data is not actually displayed. It is left to the user to
+ write sufficient code to read out the packed data for display to a
+ screen.
+
+ Installed gadgets can be accessed through the InstalledApplications
+ array, with entries that have their InUse flag set being active. As
+ only the active content is displayed on the device due to memory
+ constraints, new content can be requested as needed.
+*/
+
+#include "Sideshow.h"
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ sei();
+
+ for (;;)
+ {
+ SideShow_Task();
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* Hardware Initialization */
+ LEDs_Init();
+ USB_Init();
+ Serial_Init(9600, false);
+
+ /* Create a stdio stream for the serial port for stdin and stdout */
+ Serial_CreateStream(NULL);
+}
+
+void EVENT_USB_Device_Connect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+void EVENT_USB_Device_Disconnect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ bool ConfigSuccess = true;
+
+ /* Setup Sideshow Data Endpoints */
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(SIDESHOW_IN_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN,
+ SIDESHOW_IO_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(SIDESHOW_OUT_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
+ SIDESHOW_IO_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+ /* Indicate endpoint configuration success or failure */
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+}
+
+void EVENT_USB_Device_ControlRequest(void)
+{
+ switch (USB_ControlRequest.bRequest)
+ {
+ case REQ_GetOSFeatureDescriptor:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE))
+ {
+ const void* DescriptorPointer;
+ uint16_t DescriptorSize = USB_GetOSFeatureDescriptor(USB_ControlRequest.wValue,
+ USB_ControlRequest.wIndex,
+ &DescriptorPointer);
+
+ if (DescriptorSize == NO_DESCRIPTOR)
+ return;
+
+ Endpoint_ClearSETUP();
+
+ Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
+ Endpoint_ClearOUT();
+ }
+
+ break;
+ }
+}
+
+void SideShow_Task(void)
+{
+ /* Device must be connected and configured for the task to run */
+ if (USB_DeviceState != DEVICE_STATE_Configured)
+ return;
+
+ /* Select the SideShow data out endpoint */
+ Endpoint_SelectEndpoint(SIDESHOW_OUT_EPNUM);
+
+ /* Check to see if a new SideShow message has been received */
+ if (Endpoint_IsReadWriteAllowed())
+ {
+ /* Process the received SideShow message */
+ Sideshow_ProcessCommandPacket();
+ }
+}
+
projects / pub / USBasp.git / blobdiff