From 60b30c036397cb5627fa374bb930794b225daa29 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Fri, 7 Jul 2017 11:55:23 -0400
Subject: Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
---
Projects/MissileLauncher/MissileLauncher.c | 323 +++++++++++++++++++++++++++++
1 file changed, 323 insertions(+)
create mode 100644 Projects/MissileLauncher/MissileLauncher.c
(limited to 'Projects/MissileLauncher/MissileLauncher.c')
diff --git a/Projects/MissileLauncher/MissileLauncher.c b/Projects/MissileLauncher/MissileLauncher.c
new file mode 100644
index 0000000000..006543d86d
--- /dev/null
+++ b/Projects/MissileLauncher/MissileLauncher.c
@@ -0,0 +1,323 @@
+/*
+ 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);
+ }
+}
+
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