+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- USB Missle Launcher Demo\r
- Copyright (C) Dave Fletcher, 2009.\r
- fletch at fletchtronics dot net\r
- \r
- Based on research by Scott Weston at\r
- http://code.google.com/p/pymissle\r
- */\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
- Copyright 2009 Dave Fletcher (fletch [at] fletchtronics [dot] net)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/*\r
- * Missle Launcher host. This is a host driver for the popular USB-controller table top toy missle launchers,\r
- * which can typically aim and fire small foam "missles" from a spring-loaded turret. This project controls the\r
- * launcher via a joystick and button to aim and fire missles at targets without a PC.\r
- */\r
-\r
-/** \file\r
- *\r
- * Main source file for the MissileLauncher application. This file contains the main tasks of\r
- * the application and is responsible for the initial application hardware configuration as well\r
- * as the sending of commands to the attached launcher toy.\r
- */\r
- \r
-#include "MissileLauncher.h"\r
-\r
-/** Launcher first init command report data sequence */\r
-static const uint8_t CMD_INITA[8] = { 85, 83, 66, 67, 0, 0, 4, 0 };\r
-\r
-/** Launcher second init command report data sequence */\r
-static const uint8_t CMD_INITB[8] = { 85, 83, 66, 67, 0, 64, 2, 0 };\r
-\r
-/** Launcher command report data sequence to stop all movement */\r
-static const uint8_t CMD_STOP[8] = { 0, 0, 0, 0, 0, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move left */\r
-static const uint8_t CMD_LEFT[8] = { 0, 1, 0, 0, 0, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move right */\r
-static const uint8_t CMD_RIGHT[8] = { 0, 0, 1, 0, 0, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move up */\r
-static const uint8_t CMD_UP[8] = { 0, 0, 0, 1, 0, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move down */\r
-static const uint8_t CMD_DOWN[8] = { 0, 0, 0, 0, 1, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move left and up */\r
-static const uint8_t CMD_LEFTUP[8] = { 0, 1, 0, 1, 0, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move right and up */\r
-static const uint8_t CMD_RIGHTUP[8] = { 0, 0, 1, 1, 0, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move left and down */\r
-static const uint8_t CMD_LEFTDOWN[8] = { 0, 1, 0, 0, 1, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to move right and down */\r
-static const uint8_t CMD_RIGHTDOWN[8] = { 0, 0, 1, 0, 1, 0, 8, 8 };\r
-\r
-/** Launcher command report data sequence to fire a missle */\r
-static const uint8_t CMD_FIRE[8] = { 0, 0, 0, 0, 0, 1, 8, 8 };\r
-\r
-/** Last command sent to the launcher, to determine what new command (if any) must be sent */\r
-uint8_t* CmdState;\r
-\r
-/** Buffer to hold a command to send to the launcher */\r
-uint8_t CmdBuffer[LAUNCHER_CMD_BUFFER_SIZE];\r
-\r
-\r
-/** Main program entry point. This routine configures the hardware required by the application, then\r
- * starts the scheduler to run the application tasks.\r
- */\r
-int main(void)\r
-{\r
- SetupHardware();\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
- \r
- CmdState = CMD_STOP;\r
-\r
- for (;;)\r
- {\r
- Read_Joystick_Status();\r
- \r
- HID_Host_Task();\r
- USB_USBTask();\r
- }\r
-}\r
-\r
-/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
-void SetupHardware(void)\r
-{\r
- /* Disable watchdog if enabled by bootloader/fuses */\r
- MCUSR &= ~(1 << WDRF);\r
- wdt_disable();\r
-\r
- /* Disable clock division */\r
- clock_prescale_set(clock_div_1);\r
-\r
- /* Hardware Initialization */\r
- LEDs_Init();\r
- USB_Init();\r
- Joystick_Init();\r
- Buttons_Init();\r
-}\r
-\r
-/** Reads the joystick and button status, sending commands to the launcher as needed. */\r
-void Read_Joystick_Status(void)\r
-{\r
- uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
-\r
- if (BUTTONS_BUTTON1 && Buttons_GetStatus())\r
- Send_Command(CMD_FIRE);\r
- else if (JoyStatus_LCL & JOY_UP)\r
- Send_Command(CMD_UP);\r
- else if (JoyStatus_LCL & JOY_DOWN)\r
- Send_Command(CMD_DOWN);\r
- else if (JoyStatus_LCL & JOY_LEFT)\r
- Send_Command(CMD_LEFT);\r
- else if (JoyStatus_LCL & JOY_RIGHT)\r
- Send_Command(CMD_RIGHT);\r
- else if (CmdState != CMD_STOP)\r
- Send_Command(CMD_STOP);\r
-}\r
-\r
-/** Lower level send routine, copies report into a larger buffer and sends.\r
- *\r
- * \param Report Report data to send.\r
- * \param ReportSize Report length in bytes.\r
- */\r
-void Send_Command_Report(uint8_t *Report, uint16_t ReportSize)\r
-{\r
- memcpy(CmdBuffer, Report, 8);\r
- WriteNextReport(CmdBuffer, ReportSize);\r
-}\r
-\r
-/** Send one of the CMD_* command constants listed above.\r
- *\r
- * \param Command One of the command constants.\r
- */\r
-void Send_Command(uint8_t* Command)\r
-{\r
- if ((CmdState == CMD_STOP && Command != CMD_STOP) ||\r
- (CmdState != CMD_STOP && Command == CMD_STOP))\r
- {\r
- LEDs_ChangeLEDs(LEDS_LED4, ~LEDs_GetLEDs() & LEDS_LED4);\r
-\r
- Send_Command_Report(CMD_INITA, 8);\r
- Send_Command_Report(CMD_INITB, 8);\r
- Send_Command_Report(Command, LAUNCHER_CMD_BUFFER_SIZE);\r
- }\r
- \r
- CmdState = Command;\r
-}\r
-\r
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
- * starts the library USB task to begin the enumeration and USB management process.\r
- */\r
-void EVENT_USB_DeviceAttached(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-}\r
-\r
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
- * stops the library USB task management process.\r
- */\r
-void EVENT_USB_DeviceUnattached(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-}\r
-\r
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
- * enumerated by the host and is now ready to be used by the application.\r
- */\r
-void EVENT_USB_DeviceEnumerationComplete(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
-}\r
-\r
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
-void EVENT_USB_HostError(const uint8_t ErrorCode)\r
-{\r
- USB_ShutDown();\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- for(;;);\r
-}\r
-\r
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
- * enumerating an attached USB device.\r
- */\r
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-}\r
-\r
-/** Reads in and discards the next report from the attached device. */\r
-void DiscardNextReport(void)\r
-{\r
- /* Select and unfreeze HID data IN pipe */\r
- Pipe_SelectPipe(HID_DATA_IN_PIPE);\r
- Pipe_Unfreeze();\r
-\r
- /* Check to see if a packet has been received */\r
- if (!(Pipe_IsINReceived()))\r
- {\r
- /* Refreeze HID data IN pipe */\r
- Pipe_Freeze();\r
- \r
- return;\r
- }\r
- \r
- /* Clear the IN endpoint, ready for next data packet */\r
- Pipe_ClearIN();\r
- \r
- /* Refreeze HID data IN pipe */\r
- Pipe_Freeze();\r
-}\r
-\r
-/** Writes a report to the attached device.\r
- *\r
- * \param ReportOUTData Buffer containing the report to send to the device\r
- * \param ReportLength Length of the report to send\r
- */\r
-void WriteNextReport(uint8_t* ReportOUTData, uint16_t ReportLength)\r
-{\r
- /* Select and unfreeze HID data OUT pipe */\r
- Pipe_SelectPipe(HID_DATA_OUT_PIPE);\r
- \r
- /* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the\r
- * control endpoint instead) - check to see if the OUT endpoint has been initialized */\r
- if (Pipe_IsConfigured())\r
- {\r
- Pipe_Unfreeze();\r
-\r
- /* Ensure pipe is ready to be written to before continuing */\r
- if (!(Pipe_IsOUTReady()))\r
- {\r
- /* Refreeze the data OUT pipe */\r
- Pipe_Freeze();\r
- \r
- return;\r
- }\r
- \r
- /* Write out HID report data */\r
- Pipe_Write_Stream_LE(ReportOUTData, ReportLength); \r
- \r
- /* Clear the OUT endpoint, send last data packet */\r
- Pipe_ClearOUT();\r
-\r
- /* Refreeze the data OUT pipe */\r
- Pipe_Freeze();\r
- }\r
- else\r
- {\r
- /* Class specific request to send a HID report to the device */\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = 0x21,\r
- .bRequest = 0x09,\r
- .wValue = 0x02,\r
- .wIndex = 0x01,\r
- .wLength = ReportLength,\r
- };\r
-\r
- /* Select the control pipe for the request transfer */\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- /* Send the request to the device */\r
- USB_Host_SendControlRequest(ReportOUTData);\r
- }\r
-}\r
-\r
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
- * HID reports from the device and to send reports if desired.\r
- */\r
-void HID_Host_Task(void)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- /* Switch to determine what user-application handled host state the host state machine is in */\r
- switch (USB_HostState)\r
- {\r
- case HOST_STATE_Addressed:\r
- /* Get and process the configuration descriptor data */\r
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
- {\r
- /* Indicate error status */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
-\r
- /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
- if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
- {\r
- /* Indicate error status */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- USB_HostState = HOST_STATE_Ready;\r
- break;\r
- case HOST_STATE_Ready:\r
- DiscardNextReport();\r
-\r
- break;\r
- }\r
-}\r
projects / pub / lufa.git / blobdiff