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();
+ DiscardNextReport();
+
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;
}
*/
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_ShutDown();
+ USB_Disable();
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
for(;;);
/** 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();
{
/* 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();
}
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())
{
/* 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,
}
}
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- * HID reports from the device and to send reports if desired.
- */
-void HID_Host_Task(void)
-{
- uint8_t ErrorCode;
-
- /* Switch to determine what user-application handled host state the host state machine is in */
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- /* Get and process the configuration descriptor data */
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
- {
- /* Indicate error status */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
- if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
- {
- /* 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:
- DiscardNextReport();
-
- break;
- }
-}
projects / pub / USBasp.git / blobdiff