Moved all source to the trunk directory.

1 files changed, 340 insertions, 0 deletions

diff --git a/Demos/KeyboardHostWithParser/KeyboardHostWithParser.c b/Demos/KeyboardHostWithParser/KeyboardHostWithParser.c
new file mode 100644
index 000000000..f0eec2b99
--- /dev/null
+++ b/Demos/KeyboardHostWithParser/KeyboardHostWithParser.c
@@ -0,0 +1,340 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2009.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, and distribute this software

+  and its documentation for any purpose and without fee is hereby

+  granted, 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.

+*/

+

+/** \file

+ *

+ *  Main source file for the KeyboardHostWithParser demo. This file contains the main tasks of

+ *  the demo and is responsible for the initial application hardware configuration.

+ */

+ 

+#include "KeyboardHostWithParser.h"

+

+/* Project Tags, for reading out using the ButtLoad project */

+BUTTLOADTAG(ProjName,    "LUFA KBD Host App");

+BUTTLOADTAG(BuildTime,   __TIME__);

+BUTTLOADTAG(BuildDate,   __DATE__);

+BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);

+

+/* Scheduler Task List */

+TASK_LIST

+{

+	{ Task: USB_USBTask          , TaskStatus: TASK_STOP },

+	{ Task: USB_Keyboard_Host    , TaskStatus: TASK_STOP },

+};

+

+

+/** Main program entry point. This routine configures the hardware required by the application, then

+ *  starts the scheduler to run the application tasks.

+ */

+int main(void)

+{

+	/* Disable watchdog if enabled by bootloader/fuses */

+	MCUSR &= ~(1 << WDRF);

+	wdt_disable();

+

+	/* Disable Clock Division */

+	SetSystemClockPrescaler(0);

+

+	/* Hardware Initialization */

+	SerialStream_Init(9600, false);

+	LEDs_Init();

+	

+	/* Indicate USB not ready */

+	UpdateStatus(Status_USBNotReady);

+	

+	/* Initialize Scheduler so that it can be used */

+	Scheduler_Init();

+

+	/* Initialize USB Subsystem */

+	USB_Init();

+

+	/* Startup message */

+	puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY

+	       "Keyboard Host Demo running.\r\n" ESC_INVERSE_OFF));

+		   

+	/* Scheduling - routine never returns, so put this last in the main function */

+	Scheduler_Start();

+}

+

+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and

+ *  starts the library USB task to begin the enumeration and USB management process.

+ */

+EVENT_HANDLER(USB_DeviceAttached)

+{

+	puts_P(PSTR("Device Attached.\r\n"));

+	UpdateStatus(Status_USBEnumerating);

+

+	/* Start USB management task to enumerate the device */

+	Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);

+}

+

+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and

+ *  stops the library USB task management process.

+ */

+EVENT_HANDLER(USB_DeviceUnattached)

+{

+	/* Stop keyboard and USB management task */

+	Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);

+	Scheduler_SetTaskMode(USB_Keyboard_Host, TASK_STOP);

+

+	puts_P(PSTR("\r\nDevice Unattached.\r\n"));

+	UpdateStatus(Status_USBNotReady);

+}

+

+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully

+ *  enumerated by the host and is now ready to be used by the application.

+ */

+EVENT_HANDLER(USB_DeviceEnumerationComplete)

+{

+	/* Start Keyboard Host task */

+	Scheduler_SetTaskMode(USB_Keyboard_Host, TASK_RUN);

+	

+	/* Indicate device enumeration complete */

+	UpdateStatus(Status_USBReady);

+}

+

+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */

+EVENT_HANDLER(USB_HostError)

+{

+	USB_ShutDown();

+

+	puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));

+	printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);

+

+	UpdateStatus(Status_HardwareError);

+	for(;;);

+}

+

+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occured while

+ *  enumerating an attached USB device.

+ */

+EVENT_HANDLER(USB_DeviceEnumerationFailed)

+{

+	puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));

+	printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);

+	printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);

+	printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);

+	

+	UpdateStatus(Status_EnumerationError);

+}

+

+/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to

+ *  log to a serial port, or anything else that is suitable for status updates.

+ *

+ *  \param CurrentStatus  Current status of the system, from the KeyboardHostWithParser_StatusCodes_t enum

+ */

+void UpdateStatus(uint8_t CurrentStatus)

+{

+	uint8_t LEDMask = LEDS_NO_LEDS;

+	

+	/* Set the LED mask to the appropriate LED mask based on the given status code */

+	switch (CurrentStatus)

+	{

+		case Status_USBNotReady:

+			LEDMask = (LEDS_LED1);

+			break;

+		case Status_USBEnumerating:

+			LEDMask = (LEDS_LED1 | LEDS_LED2);

+			break;

+		case Status_USBReady:

+			LEDMask = (LEDS_LED2);

+			break;

+		case Status_EnumerationError:

+		case Status_HardwareError:

+			LEDMask = (LEDS_LED1 | LEDS_LED3);

+			break;

+		case Status_Busy:

+			LEDMask = (LEDS_LED1 | LEDS_LED4);

+			break;

+	}

+	

+	/* Set the board LEDs to the new LED mask */

+	LEDs_SetAllLEDs(LEDMask);

+}

+

+/** Task to set the configuration of the attached device after it has been enumerated, and to read and process

+ *  the HID report descriptor and HID reports from the device and display the results onto the board LEDs.

+ */

+TASK(USB_Keyboard_Host)

+{

+	uint8_t ErrorCode;

+

+	switch (USB_HostState)

+	{

+		case HOST_STATE_Addressed:

+			/* Standard request to set the device configuration to configuration 1 */

+			USB_HostRequest = (USB_Host_Request_Header_t)

+				{

+					bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),

+					bRequest:      REQ_SetConfiguration,

+					wValue:        1,

+					wIndex:        0,

+					wLength:       0,

+				};

+

+			/* Send the request, display error and wait for device detatch if request fails */

+			if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)

+			{

+				puts_P(PSTR("Control Error (Set Configuration).\r\n"));

+				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

+

+				/* Indicate error via status LEDs */

+				UpdateStatus(Status_EnumerationError);

+

+				/* Wait until USB device disconnected */

+				while (USB_IsConnected);

+				break;

+			}

+				

+			USB_HostState = HOST_STATE_Configured;

+			break;

+		case HOST_STATE_Configured:

+			puts_P(PSTR("Getting Config Data.\r\n"));

+		

+			/* Get and process the configuration descriptor data */

+			if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)

+			{

+				if (ErrorCode == ControlError)

+				  puts_P(PSTR("Control Error (Get Configuration).\r\n"));

+				else

+				  puts_P(PSTR("Invalid Device.\r\n"));

+

+				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

+				

+				/* Indicate error via status LEDs */

+				UpdateStatus(Status_EnumerationError);

+

+				/* Wait until USB device disconnected */

+				while (USB_IsConnected);

+				break;

+			}

+					

+			puts_P(PSTR("Processing HID Report.\r\n"));

+

+			/* LEDs one and two on to indicate busy processing */

+			UpdateStatus(Status_Busy);

+

+			/* Get and process the device's first HID report descriptor */

+			if ((ErrorCode = GetHIDReportData()) != ParseSuccessful)

+			{

+				puts_P(PSTR("Report Parse Error.\r\n"));

+				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

+			

+				/* Indicate error via status LEDs */

+				UpdateStatus(Status_EnumerationError);

+				

+				/* Wait until USB device disconnected */

+				while (USB_IsConnected);

+				break;	

+			}

+			

+			/* All LEDs off - ready to indicate keypresses */

+			UpdateStatus(Status_USBReady);

+

+			puts_P(PSTR("Keyboard Enumerated.\r\n"));

+

+			USB_HostState = HOST_STATE_Ready;

+			break;

+		case HOST_STATE_Ready:

+			/* Select and unfreeze keyboard data pipe */

+			Pipe_SelectPipe(KEYBOARD_DATAPIPE);	

+			Pipe_Unfreeze();

+

+			/* Check if data has been received from the attached keyboard */

+			if (Pipe_ReadWriteAllowed())

+			{

+				/* Create buffer big enough for the report */

+				uint8_t KeyboardReport[Pipe_BytesInPipe()];

+

+				/* Load in the keyboard report */

+				Pipe_Read_Stream_LE(KeyboardReport, Pipe_BytesInPipe());

+				

+				/* Clear the IN endpoint, ready for next data packet */

+				Pipe_ClearCurrentBank();

+

+				/* Check each HID report item in turn, looking for keyboard scan code reports */

+				for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++)

+				{

+					/* Create a tempoary item pointer to the next report item */

+					HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber];

+

+					/* Check if the current report item is a keyboard scancode */

+					if ((ReportItem->Attributes.Usage.Page      == USAGE_PAGE_KEYBOARD) &&

+					    (ReportItem->Attributes.BitSize         == 8)                   &&

+					    (ReportItem->Attributes.Logical.Maximum > 1)                    &&

+					    (ReportItem->ItemType                   == REPORT_ITEM_TYPE_In))

+					{

+						/* Retrieve the keyboard scancode from the report data retrieved from the device */

+						bool FoundData = GetReportItemInfo(KeyboardReport, ReportItem);

+						

+						/* For multi-report devices - if the requested data was not in the issued report, continue */

+						if (!(FoundData))

+						  continue;

+						

+						/* Key code is an unsigned char in length, cast to the appropriate type */

+						uint8_t KeyCode = (uint8_t)ReportItem->Value;

+

+						/* If scancode is non-zero, a key is being pressed */

+						if (KeyCode)

+						{

+							/* Toggle status LED to indicate keypress */

+							if (LEDs_GetLEDs() & LEDS_LED2)

+							  LEDs_TurnOffLEDs(LEDS_LED2);

+							else

+							  LEDs_TurnOnLEDs(LEDS_LED2);

+

+							char PressedKey = 0;

+

+							/* Convert scancode to printable character if alphanumeric */

+							if ((KeyCode >= 0x04) && (KeyCode <= 0x1D))

+							  PressedKey = (KeyCode - 0x04) + 'A';

+							else if ((KeyCode >= 0x1E) && (KeyCode <= 0x27))

+							  PressedKey = (KeyCode - 0x1E) + '0';

+							else if (KeyCode == 0x2C)

+							  PressedKey = ' ';						

+							else if (KeyCode == 0x28)

+							  PressedKey = '\n';

+								 

+							/* Print the pressed key character out through the serial port if valid */

+							if (PressedKey)

+							  putchar(PressedKey);

+						}

+						

+						/* Once a scancode is found, stop scanning through the report items */

+						break;

+					}

+				}

+			}

+

+			/* Freeze keyboard data pipe */

+			Pipe_Freeze();

+			break;

+	}

+}