Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

1 files changed, 289 insertions, 0 deletions

diff --git a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
new file mode 100644
index 0000000000..4ad4d580e7
--- /dev/null
+++ b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
@@ -0,0 +1,289 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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 disclaims 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 MouseHostWithParser demo. This file contains the main tasks of
+ *  the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MouseHostWithParser.h"
+
+/** Main program entry point. This routine configures the hardware required by the application, then
+ *  enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+	SetupHardware();
+
+	puts_P(PSTR(ESC_FG_CYAN "Mouse HID Parser Host Demo running.\r\n" ESC_FG_WHITE));
+
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+	GlobalInterruptEnable();
+
+	for (;;)
+	{
+		MouseHost_Task();
+
+		USB_USBTask();
+	}
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+	/* Disable watchdog if enabled by bootloader/fuses */
+	MCUSR &= ~(1 << WDRF);
+	wdt_disable();
+
+	/* Disable clock division */
+	clock_prescale_set(clock_div_1);
+#endif
+
+	/* Hardware Initialization */
+	Serial_Init(9600, false);
+	LEDs_Init();
+	USB_Init();
+
+	/* Create a stdio stream for the serial port for stdin and stdout */
+	Serial_CreateStream(NULL);
+}
+
+/** 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.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+	puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** 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.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+	puts_P(PSTR(ESC_FG_GREEN "Device Unattached.\r\n" ESC_FG_WHITE));
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** 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.
+ */
+void EVENT_USB_Host_DeviceEnumerationComplete(void)
+{
+	puts_P(PSTR("Getting Config Data.\r\n"));
+
+	uint8_t ErrorCode;
+
+	/* Get and process the configuration descriptor data */
+	if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+	{
+		if (ErrorCode == ControlError)
+		  puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+		else
+		  puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+		printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	/* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+	if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+	{
+		printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	printf_P(PSTR("Processing HID Report (Size %d Bytes).\r\n"), HIDReportSize);
+
+	/* Get and process the device's first HID report descriptor */
+	if ((ErrorCode = GetHIDReportData()) != ParseSuccessful)
+	{
+		puts_P(PSTR(ESC_FG_RED "Report Parse Error.\r\n"));
+
+		if (!(HIDReportInfo.TotalReportItems))
+			puts_P(PSTR("Not a valid Mouse." ESC_FG_WHITE));
+		else
+			printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
+		return;
+	}
+
+	puts_P(PSTR("Mouse Enumerated.\r\n"));
+	LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+	USB_Disable();
+
+	printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+	                         " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+	for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ *  enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+                                            const uint8_t SubErrorCode)
+{
+	printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+	                         " -- Error Code %d\r\n"
+	                         " -- Sub Error Code %d\r\n"
+	                         " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Task to read and process the HID report descriptor and HID reports from the device and display the
+ *  results onto the board LEDs.
+ */
+void MouseHost_Task(void)
+{
+	if (USB_HostState != HOST_STATE_Configured)
+	  return;
+
+	/* Select and unfreeze mouse data pipe */
+	Pipe_SelectPipe(MOUSE_DATA_IN_PIPE);
+	Pipe_Unfreeze();
+
+	/* Check to see if a packet has been received */
+	if (Pipe_IsINReceived())
+	{
+		/* Check if data has been received from the attached mouse */
+		if (Pipe_IsReadWriteAllowed())
+		{
+			/* Create buffer big enough for the report */
+			uint8_t MouseReport[Pipe_BytesInPipe()];
+
+			/* Load in the mouse report */
+			Pipe_Read_Stream_LE(MouseReport, Pipe_BytesInPipe(), NULL);
+
+			/* Process the read in mouse report from the device */
+			ProcessMouseReport(MouseReport);
+		}
+
+		/* Clear the IN endpoint, ready for next data packet */
+		Pipe_ClearIN();
+	}
+
+	/* Freeze mouse data pipe */
+	Pipe_Freeze();
+}
+
+/** Processes a read HID report from an attached mouse, extracting out elements via the HID parser results
+ *  as required and displays movement and button presses on the board LEDs.
+ *
+ *  \param[in] MouseReport  Pointer to a HID report from an attached mouse device
+ */
+void ProcessMouseReport(uint8_t* MouseReport)
+{
+	uint8_t LEDMask = LEDS_NO_LEDS;
+
+	/* Check each HID report item in turn, looking for mouse X/Y/button reports */
+	for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++)
+	{
+		/* Create a temporary item pointer to the next report item */
+		HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber];
+
+		bool FoundData;
+
+		if ((ReportItem->Attributes.Usage.Page        == USAGE_PAGE_BUTTON) &&
+			(ReportItem->ItemType                     == HID_REPORT_ITEM_In))
+		{
+			/* Get the mouse button value */
+			FoundData = USB_GetHIDReportItemInfo(MouseReport, ReportItem);
+
+			/* For multi-report devices - if the requested data was not in the issued report, continue */
+			if (!(FoundData))
+			  continue;
+
+			/* If button is pressed, all LEDs are turned on */
+			if (ReportItem->Value)
+			  LEDMask = LEDS_ALL_LEDS;
+		}
+		else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&
+				 (ReportItem->Attributes.Usage.Usage  == USAGE_SCROLL_WHEEL)       &&
+				 (ReportItem->ItemType                == HID_REPORT_ITEM_In))
+		{
+			/* Get the mouse wheel value if it is contained within the current
+			 * report, if not, skip to the next item in the parser list
+			 */
+			if (!(USB_GetHIDReportItemInfo(MouseReport, ReportItem)))
+			  continue;
+
+			int16_t WheelDelta = HID_ALIGN_DATA(ReportItem, int16_t);
+
+			if (WheelDelta)
+			  LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4));
+		}
+		else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&
+				 ((ReportItem->Attributes.Usage.Usage == USAGE_X)                  ||
+				  (ReportItem->Attributes.Usage.Usage == USAGE_Y))                 &&
+				 (ReportItem->ItemType                == HID_REPORT_ITEM_In))
+		{
+			/* Get the mouse relative position value */
+			FoundData = USB_GetHIDReportItemInfo(MouseReport, ReportItem);
+
+			/* For multi-report devices - if the requested data was not in the issued report, continue */
+			if (!(FoundData))
+			  continue;
+
+			int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t);
+
+			/* Check to see if a (non-zero) delta movement has been indicated */
+			if (DeltaMovement)
+			{
+				/* Determine if the report is for the X or Y delta movement, light LEDs as appropriate */
+				if (ReportItem->Attributes.Usage.Usage == USAGE_X)
+				  LEDMask |= ((DeltaMovement > 0) ? LEDS_LED1 : LEDS_LED2);
+				else
+				  LEDMask |= ((DeltaMovement > 0) ? LEDS_LED3 : LEDS_LED4);
+			}
+		}
+	}
+
+	/* Display the button information on the board LEDs */
+	LEDs_SetAllLEDs(LEDMask);
+}
+