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 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 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
+ 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
+ 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
+ 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
* 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 */
-uint8_t CMD_INITA[8] = { 85, 83, 66, 67, 0, 0, 4, 0 };
+static const uint8_t CMD_INITA[8] = { 85, 83, 66, 67, 0, 0, 4, 0 };
/** Launcher second init command report data sequence */
-uint8_t CMD_INITB[8] = { 85, 83, 66, 67, 0, 64, 2, 0 };
+static const uint8_t CMD_INITB[8] = { 85, 83, 66, 67, 0, 64, 2, 0 };
/** Launcher command report data sequence to stop all movement */
-uint8_t CMD_STOP[8] = { 0, 0, 0, 0, 0, 0, 8, 8 };
+static const uint8_t CMD_STOP[8] = { 0, 0, 0, 0, 0, 0, 8, 8 };
/** Launcher command report data sequence to move left */
-uint8_t CMD_LEFT[8] = { 0, 1, 0, 0, 0, 0, 8, 8 };
+static const uint8_t CMD_LEFT[8] = { 0, 1, 0, 0, 0, 0, 8, 8 };
/** Launcher command report data sequence to move right */
-uint8_t CMD_RIGHT[8] = { 0, 0, 1, 0, 0, 0, 8, 8 };
+static const uint8_t CMD_RIGHT[8] = { 0, 0, 1, 0, 0, 0, 8, 8 };
/** Launcher command report data sequence to move up */
-uint8_t CMD_UP[8] = { 0, 0, 0, 1, 0, 0, 8, 8 };
+static const uint8_t CMD_UP[8] = { 0, 0, 0, 1, 0, 0, 8, 8 };
/** Launcher command report data sequence to move down */
-uint8_t CMD_DOWN[8] = { 0, 0, 0, 0, 1, 0, 8, 8 };
+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 */
-uint8_t CMD_LEFTUP[8] = { 0, 1, 0, 1, 0, 0, 8, 8 };
+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 */
-uint8_t CMD_RIGHTUP[8] = { 0, 0, 1, 1, 0, 0, 8, 8 };
+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 */
-uint8_t CMD_LEFTDOWN[8] = { 0, 1, 0, 0, 1, 0, 8, 8 };
+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 */
-uint8_t CMD_RIGHTDOWN[8] = { 0, 0, 1, 0, 1, 0, 8, 8 };
+static const uint8_t CMD_RIGHTDOWN[8] = { 0, 0, 1, 0, 1, 0, 8, 8 };
/** Launcher command report data sequence to fire a missile */
-uint8_t CMD_FIRE[8] = { 0, 0, 0, 0, 0, 1, 8, 8 };
+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 */
-uint8_t* CmdState;
+static const uint8_t* CmdState;
/** Buffer to hold a command to send to the launcher */
-uint8_t CmdBuffer[LAUNCHER_CMD_BUFFER_SIZE];
+static uint8_t CmdBuffer[LAUNCHER_CMD_BUFFER_SIZE];
/** Main program entry point. This routine configures the hardware required by the application, then
for (;;)
{
Read_Joystick_Status();
-
+
HID_Host_Task();
USB_USBTask();
}
* \param[in] Report Report data to send.
* \param[in] ReportSize Report length in bytes.
*/
-void Send_Command_Report(uint8_t* const Report,
+void Send_Command_Report(const uint8_t* const Report,
const uint16_t ReportSize)
{
memcpy(CmdBuffer, Report, 8);
*
* \param[in] Command One of the command constants.
*/
-void Send_Command(uint8_t* const Command)
+void Send_Command(const uint8_t* const Command)
{
if ((CmdState == CMD_STOP && Command != CMD_STOP) ||
(CmdState != CMD_STOP && Command == CMD_STOP))
Send_Command_Report(CMD_INITB, 8);
Send_Command_Report(Command, LAUNCHER_CMD_BUFFER_SIZE);
}
-
+
CmdState = Command;
}
/** 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_ShutDown();
+ USB_Disable();
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
for(;;);
{
/* 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();
}
{
/* 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())
{
/* Refreeze the data OUT pipe */
Pipe_Freeze();
-
+
return;
}
-
+
/* Write out HID report data */
- Pipe_Write_Stream_LE(ReportOUTData, ReportLength);
-
+ Pipe_Write_Stream_LE(ReportOUTData, ReportLength, NULL);
+
/* Clear the OUT endpoint, send last data packet */
Pipe_ClearOUT();
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = REQ_SetReport,
+ .bRequest = HID_REQ_SetReport,
.wValue = 0x02,
.wIndex = 0x01,
.wLength = ReportLength,
{
/* Indicate error status */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
+
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
-
+
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
break;
}
}
+