Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'

1 files changed, 323 insertions, 0 deletions

diff --git a/lib/lufa/Projects/MissileLauncher/MissileLauncher.c b/lib/lufa/Projects/MissileLauncher/MissileLauncher.c
new file mode 100644
index 0000000000..006543d86d
--- /dev/null
+++ b/lib/lufa/Projects/MissileLauncher/MissileLauncher.c
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+/*
+            USB Missile Launcher Demo
+        Copyright (C) Dave Fletcher, 2010.
+         fletch at fletchtronics dot net
+
+       Based on research by Scott Weston at
+        http://code.google.com/p/pymissile
+ */
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2010  Dave Fletcher (fletch [at] fletchtronics [dot] net)
+
+  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.
+*/
+
+/*
+ *  Missile Launcher host. This is a host driver for the popular USB-controller table top toy missile launchers,
+ *  which can typically aim and fire small foam "missiles" from a spring-loaded turret. This project controls the
+ *  launcher via a joystick and button to aim and fire missiles at targets without a PC.
+ */
+
+/** \file
+ *
+ *  Main source file for the MissileLauncher application. This file contains the main tasks of
+ *  the application and is responsible for the initial application hardware configuration as well
+ *  as the sending of commands to the attached launcher toy.
+ */
+
+#include "MissileLauncher.h"
+
+/** Launcher first init command report data sequence */
+static const uint8_t CMD_INITA[8]     = {  85, 83, 66, 67,  0,  0,  4,  0  };
+
+/** Launcher second init command report data sequence */
+static const uint8_t CMD_INITB[8]     = {  85, 83, 66, 67,  0, 64,  2,  0  };
+
+/** Launcher command report data sequence to stop all movement */
+static const uint8_t CMD_STOP[8]      = {   0,  0,  0,  0,  0,  0,  8,  8  };
+
+/** Launcher command report data sequence to move left */
+static const uint8_t CMD_LEFT[8]      = {   0,  1,  0,  0,  0,  0,  8,  8  };
+
+/** Launcher command report data sequence to move right */
+static const uint8_t CMD_RIGHT[8]     = {   0,  0,  1,  0,  0,  0,  8,  8  };
+
+/** Launcher command report data sequence to move up */
+static const uint8_t CMD_UP[8]        = {   0,  0,  0,  1,  0,  0,  8,  8  };
+
+/** Launcher command report data sequence to move down */
+static const uint8_t CMD_DOWN[8]      = {   0,  0,  0,  0,  1,  0,  8,  8  };
+
+/** Launcher command report data sequence to move left and up */
+static const uint8_t CMD_LEFTUP[8]    = {   0,  1,  0,  1,  0,  0,  8,  8  };
+
+/** Launcher command report data sequence to move right and up */
+static const uint8_t CMD_RIGHTUP[8]   = {   0,  0,  1,  1,  0,  0,  8,  8  };
+
+/** Launcher command report data sequence to move left and down */
+static const uint8_t CMD_LEFTDOWN[8]  = {   0,  1,  0,  0,  1,  0,  8,  8  };
+
+/** Launcher command report data sequence to move right and down */
+static const uint8_t CMD_RIGHTDOWN[8] = {   0,  0,  1,  0,  1,  0,  8,  8  };
+
+/** Launcher command report data sequence to fire a missile */
+static const uint8_t CMD_FIRE[8]      = {   0,  0,  0,  0,  0,  1,  8,  8  };
+
+/** Last command sent to the launcher, to determine what new command (if any) must be sent */
+static const uint8_t* CmdState;
+
+/** Buffer to hold a command to send to the launcher */
+static uint8_t CmdBuffer[LAUNCHER_CMD_BUFFER_SIZE];
+
+
+/** 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();
+
+	CmdState = CMD_STOP;
+
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+	GlobalInterruptEnable();
+
+	for (;;)
+	{
+		Read_Joystick_Status();
+		DiscardNextReport();
+
+		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 */
+	LEDs_Init();
+	USB_Init();
+	Joystick_Init();
+	Buttons_Init();
+}
+
+/** Reads the joystick and button status, sending commands to the launcher as needed. */
+void Read_Joystick_Status(void)
+{
+	uint8_t JoyStatus_LCL = Joystick_GetStatus();
+	uint8_t Buttons_LCL   = Buttons_GetStatus();
+
+	if (Buttons_LCL & BUTTONS_BUTTON1)
+	  Send_Command(CMD_FIRE);
+	else if (JoyStatus_LCL & JOY_UP)
+	  Send_Command(CMD_UP);
+	else if (JoyStatus_LCL & JOY_DOWN)
+	  Send_Command(CMD_DOWN);
+	else if (JoyStatus_LCL & JOY_LEFT)
+	  Send_Command(CMD_LEFT);
+	else if (JoyStatus_LCL & JOY_RIGHT)
+	  Send_Command(CMD_RIGHT);
+	else if (CmdState != CMD_STOP)
+	  Send_Command(CMD_STOP);
+}
+
+/** Lower level send routine, copies report into a larger buffer and sends.
+ *
+ *  \param[in] Report  Report data to send.
+ *  \param[in] ReportSize  Report length in bytes.
+ */
+void Send_Command_Report(const uint8_t* const Report,
+                         const uint16_t ReportSize)
+{
+	memcpy(CmdBuffer, Report, 8);
+	WriteNextReport(CmdBuffer, ReportSize);
+}
+
+/** Sends one of the \c CMD_* command constants to the attached device.
+ *
+ *  \param[in] Command  One of the command constants.
+ */
+void Send_Command(const uint8_t* const Command)
+{
+	if ((CmdState == CMD_STOP && Command != CMD_STOP) ||
+		(CmdState != CMD_STOP && Command == CMD_STOP))
+	{
+		LEDs_ToggleLEDs(LEDS_LED4);
+
+		Send_Command_Report(CMD_INITA, 8);
+		Send_Command_Report(CMD_INITB, 8);
+		Send_Command_Report(Command, LAUNCHER_CMD_BUFFER_SIZE);
+	}
+
+	CmdState = Command;
+}
+
+/** 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)
+{
+	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)
+{
+	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)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+	/* Get and process the configuration descriptor data */
+	if (ProcessConfigurationDescriptor() != SuccessfulConfigRead)
+	{
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	/* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+	if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+	{
+		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		return;
+	}
+
+	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();
+
+	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)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Reads in and discards the next report from the attached device. */
+void DiscardNextReport(void)
+{
+	if (USB_HostState != HOST_STATE_Configured)
+	  return;
+
+	/* Select and unfreeze HID data IN pipe */
+	Pipe_SelectPipe(HID_DATA_IN_PIPE);
+	Pipe_Unfreeze();
+
+	/* Check to see if a packet has been received */
+	if (!(Pipe_IsINReceived()))
+	{
+		/* Refreeze HID data IN pipe */
+		Pipe_Freeze();
+
+		return;
+	}
+
+	/* Clear the IN endpoint, ready for next data packet */
+	Pipe_ClearIN();
+
+	/* Refreeze HID data IN pipe */
+	Pipe_Freeze();
+}
+
+/** Writes a report to the attached device.
+ *
+ *  \param[in] ReportOUTData  Buffer containing the report to send to the device
+ *  \param[in] ReportLength  Length of the report to send
+ */
+void WriteNextReport(uint8_t* const ReportOUTData,
+                     const uint16_t ReportLength)
+{
+	if (USB_HostState != HOST_STATE_Configured)
+	  return;
+
+	/* Select and unfreeze HID data OUT pipe */
+	Pipe_SelectPipe(HID_DATA_OUT_PIPE);
+
+	/* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the
+	 * control endpoint instead) - check to see if the OUT endpoint has been initialized */
+	if (Pipe_IsConfigured())
+	{
+		Pipe_Unfreeze();
+
+		/* Ensure pipe is ready to be written to before continuing */
+		if (!(Pipe_IsOUTReady()))
+		{
+			/* Refreeze the data OUT pipe */
+			Pipe_Freeze();
+
+			return;
+		}
+
+		/* Write out HID report data */
+		Pipe_Write_Stream_LE(ReportOUTData, ReportLength, NULL);
+
+		/* Clear the OUT endpoint, send last data packet */
+		Pipe_ClearOUT();
+
+		/* Refreeze the data OUT pipe */
+		Pipe_Freeze();
+	}
+	else
+	{
+		/* Class specific request to send a HID report to the device */
+		USB_ControlRequest = (USB_Request_Header_t)
+			{
+				.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+				.bRequest      = HID_REQ_SetReport,
+				.wValue        = 0x02,
+				.wIndex        = 0x01,
+				.wLength       = ReportLength,
+			};
+
+		/* Select the control pipe for the request transfer */
+		Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+		/* Send the request to the device */
+		USB_Host_SendControlRequest(ReportOUTData);
+	}
+}
+