-/*\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
-/*\r
- USB Mode: Device\r
- USB Class: Sideshow Device (Microsoft Only)\r
- USB Subclass: Bulk Only\r
- Relevant Standards: Microsoft Sideshow Specification\r
- Microsoft OS Descriptors Specification\r
- XML Specification\r
- Usable Speeds: Full Speed Mode\r
-*/\r
-\r
-#include "Sideshow.h"\r
-\r
-/* Project Tags, for reading out using the ButtLoad project */\r
-BUTTLOADTAG(ProjName, "LUFA Sideshow App");\r
-BUTTLOADTAG(BuildTime, __TIME__);\r
-BUTTLOADTAG(BuildDate, __DATE__);\r
-BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);\r
-\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { Task: USB_USBTask , TaskStatus: TASK_STOP },\r
- { Task: USB_Sideshow , TaskStatus: TASK_STOP },\r
-};\r
-\r
-int main(void)\r
-{\r
- /* Disable watchdog if enabled by bootloader/fuses */\r
- MCUSR &= ~(1 << WDRF);\r
- wdt_disable();\r
-\r
- /* Disable Clock Division */\r
- SetSystemClockPrescaler(0);\r
-\r
- /* Hardware Initialization */\r
- SerialStream_Init(9600, false);\r
- LEDs_Init();\r
- HWB_Init();\r
- \r
- /* Indicate USB not ready */\r
- LEDs_SetAllLEDs(LEDS_LED1 | LEDS_LED3);\r
- \r
- /* Initialize Scheduler so that it can be used */\r
- Scheduler_Init();\r
-\r
- /* Initialize USB Subsystem */\r
- USB_Init();\r
-\r
- /* Scheduling - routine never returns, so put this last in the main function */\r
- Scheduler_Start();\r
-}\r
-\r
-EVENT_HANDLER(USB_Connect)\r
-{\r
- /* Start USB management task */\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
-\r
- /* Indicate USB enumerating */\r
- LEDs_SetAllLEDs(LEDS_LED1 | LEDS_LED4);\r
-}\r
-\r
-EVENT_HANDLER(USB_Disconnect)\r
-{\r
- /* Stop running mass storage and USB management tasks */\r
- Scheduler_SetTaskMode(USB_Sideshow, TASK_STOP);\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
-\r
- /* Indicate USB not ready */\r
- LEDs_SetAllLEDs(LEDS_LED1 | LEDS_LED3);\r
-}\r
-\r
-EVENT_HANDLER(USB_ConfigurationChanged)\r
-{\r
- /* Setup Sideshow In and Out Endpoints */\r
- Endpoint_ConfigureEndpoint(SIDESHOW_IN_EPNUM, EP_TYPE_BULK,\r
- ENDPOINT_DIR_IN, SIDESHOW_IO_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
-\r
- Endpoint_ConfigureEndpoint(SIDESHOW_OUT_EPNUM, EP_TYPE_BULK,\r
- ENDPOINT_DIR_OUT, SIDESHOW_IO_EPSIZE,\r
- ENDPOINT_BANK_SINGLE);\r
-\r
- /* Indicate USB connected and ready */\r
- LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED4);\r
- \r
- /* Start Sideshow task */\r
- Scheduler_SetTaskMode(USB_Sideshow, TASK_RUN);\r
-}\r
-\r
-EVENT_HANDLER(USB_UnhandledControlPacket)\r
-{\r
- /* Process UFI specific control requests */\r
- switch (bRequest)\r
- {\r
- case REQ_GetOSFeatureDescriptor:\r
- if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE))\r
- {\r
- uint16_t wValue = Endpoint_Read_Word_LE();\r
- uint16_t wIndex = Endpoint_Read_Word_LE();\r
- uint16_t wLength = Endpoint_Read_Word_LE();\r
-\r
- void* DescriptorPointer;\r
- uint16_t DescriptorSize;\r
-\r
- bool SendZLP = true;\r
- \r
- if (!(USB_GetOSFeatureDescriptor(wValue, wIndex, &DescriptorPointer, &DescriptorSize)))\r
- return;\r
-\r
- Endpoint_ClearSetupReceived();\r
- \r
- if (wLength > DescriptorSize)\r
- wLength = DescriptorSize;\r
- \r
- while (wLength && (!(Endpoint_IsSetupOUTReceived())))\r
- {\r
- while (!(Endpoint_IsSetupINReady()));\r
- \r
- while (wLength && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))\r
- {\r
- #if defined(USE_RAM_DESCRIPTORS)\r
- Endpoint_Write_Byte(*((uint8_t*)DescriptorPointer++));\r
- #elif defined (USE_EEPROM_DESCRIPTORS)\r
- Endpoint_Write_Byte(eeprom_read_byte(DescriptorPointer++)); \r
- #else\r
- Endpoint_Write_Byte(pgm_read_byte(DescriptorPointer++));\r
- #endif\r
- \r
- wLength--;\r
- }\r
- \r
- SendZLP = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);\r
- Endpoint_ClearSetupIN();\r
- }\r
- \r
- if (Endpoint_IsSetupOUTReceived())\r
- {\r
- Endpoint_ClearSetupOUT();\r
- return;\r
- }\r
- \r
- if (SendZLP)\r
- {\r
- while (!(Endpoint_IsSetupINReady()));\r
- Endpoint_ClearSetupIN();\r
- }\r
-\r
- while (!(Endpoint_IsSetupOUTReceived()));\r
- Endpoint_ClearSetupOUT(); \r
- }\r
-\r
- break;\r
- }\r
-}\r
- \r
-TASK(USB_Sideshow)\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_ReadWriteAllowed())\r
- {\r
- /* Process the received SideShow message */\r
- Sideshow_ProcessCommandPacket();\r
- }\r
- }\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2010 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();
+ SerialStream_Init(9600, false);
+}
+
+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