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283 lines
8.0 KiB
283 lines
8.0 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/*
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Bluetooth Dongle host demo application.
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** NOT CURRENTLY FUNCTIONAL - DO NOT USE **
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*/
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/*
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USB Mode: Host
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USB Class: Bluetooth USB Transport Class
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USB Subclass: Bluetooth HCI USB Transport
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Relevant Standards: Bluetooth 2.0 Standard
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Bluetooth 2.0 HCI USB Transport Layer Addendum
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Bluetooth Assigned Numbers (Baseband)
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Usable Speeds: Full Speed Mode
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*/
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#include "BluetoothHost.h"
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/* Project Tags, for reading out using the ButtLoad project */
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BUTTLOADTAG(ProjName, "LUFA BT Host App");
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BUTTLOADTAG(BuildTime, __TIME__);
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BUTTLOADTAG(BuildDate, __DATE__);
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BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);
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/* Scheduler Task List */
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TASK_LIST
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{
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{ Task: USB_USBTask , TaskStatus: TASK_STOP },
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{ Task: USB_Bluetooth_Host , TaskStatus: TASK_STOP },
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{ Task: Bluetooth_Task , TaskStatus: TASK_STOP },
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};
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Bluetooth_Device_t Bluetooth_DeviceConfiguration =
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{
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Class: (DEVICE_CLASS_SERVICE_CAPTURING | DEVICE_CLASS_MAJOR_COMPUTER | DEVICE_CLASS_MINOR_COMPUTER_PALM),
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PINCode: "0000",
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Name: "LUFA Bluetooth Demo"
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};
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int main(void)
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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/* Hardware Initialization */
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SerialStream_Init(9600, false);
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LEDs_Init();
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/* Indicate USB not ready */
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UpdateStatus(Status_USBNotReady);
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/* Startup message */
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puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY
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"Bluetooth Host Demo running.\r\n" ESC_INVERSE_OFF));
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/* Initialize Scheduler so that it can be used */
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Scheduler_Init();
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/* Initialize USB Subsystem */
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USB_Init();
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/* Scheduling routine never returns, so put this last in the main function */
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Scheduler_Start();
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}
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EVENT_HANDLER(USB_DeviceAttached)
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{
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puts_P(PSTR("Device Attached.\r\n"));
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UpdateStatus(Status_USBEnumerating);
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/* Start USB management task to enumerate the device */
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Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
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}
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EVENT_HANDLER(USB_DeviceUnattached)
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{
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/* Stop USB management and Bluetooth tasks */
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Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
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Scheduler_SetTaskMode(USB_Bluetooth_Host, TASK_STOP);
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Scheduler_SetTaskMode(Bluetooth_Task, TASK_STOP);
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puts_P(PSTR("\r\nDevice Unattached.\r\n"));
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UpdateStatus(Status_USBNotReady);
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}
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EVENT_HANDLER(USB_DeviceEnumerationComplete)
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{
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/* Once device is fully enumerated, start the Bluetooth Host task */
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Scheduler_SetTaskMode(USB_Bluetooth_Host, TASK_RUN);
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Scheduler_SetTaskMode(Bluetooth_Task, TASK_RUN);
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UpdateStatus(Status_USBReady);
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}
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EVENT_HANDLER(USB_HostError)
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{
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USB_ShutDown();
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puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));
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printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
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UpdateStatus(Status_HardwareError);
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for(;;);
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}
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EVENT_HANDLER(USB_DeviceEnumerationFailed)
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{
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puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));
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printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
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printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);
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UpdateStatus(Status_EnumerationError);
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}
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TASK(USB_Bluetooth_Host)
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{
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uint8_t ErrorCode;
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switch (USB_HostState)
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{
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case HOST_STATE_Addressed:
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puts_P(PSTR("Getting Device Data.\r\n"));
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/* Get and process the configuration descriptor data */
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if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead)
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{
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if (ErrorCode == ControlErrorDuringDeviceRead)
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puts_P(PSTR("Control Error (Get Device).\r\n"));
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else
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puts_P(PSTR("Invalid Device.\r\n"));
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printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
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/* Indicate error via status LEDs */
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LEDs_SetAllLEDs(LEDS_LED1);
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/* Wait until USB device disconnected */
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while (USB_IsConnected);
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break;
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}
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puts_P(PSTR("Bluetooth Dongle Detected.\r\n"));
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/* Standard request to set the device configuration to configuration 1 */
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USB_HostRequest = (USB_Host_Request_Header_t)
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{
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bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
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bRequest: REQ_SetConfiguration,
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wValue: 1,
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wIndex: 0,
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wLength: 0,
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};
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/* Send the request, display error and wait for device detatch if request fails */
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if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
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{
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puts_P(PSTR("Control Error (Set Configuration).\r\n"));
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printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
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/* Indicate error via status LEDs */
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LEDs_SetAllLEDs(LEDS_LED1);
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/* Wait until USB device disconnected */
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while (USB_IsConnected);
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break;
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}
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USB_HostState = HOST_STATE_Configured;
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break;
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case HOST_STATE_Configured:
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puts_P(PSTR("Getting Config Data.\r\n"));
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/* Get and process the configuration descriptor data */
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if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
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{
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if (ErrorCode == ControlErrorDuringConfigRead)
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puts_P(PSTR("Control Error (Get Configuration).\r\n"));
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else
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puts_P(PSTR("Invalid Device.\r\n"));
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printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
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/* Indicate error via status LEDs */
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LEDs_SetAllLEDs(LEDS_LED1);
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/* Wait until USB device disconnected */
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while (USB_IsConnected);
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break;
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}
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puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n"));
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USB_HostState = HOST_STATE_Ready;
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break;
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case HOST_STATE_Ready:
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if (Bluetooth_HCIProcessingState != Bluetooth_ProcessEvents)
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{
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UpdateStatus(Status_BluetoothBusy);
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}
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else
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{
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if (Bluetooth_Connection.IsConnected)
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UpdateStatus(Status_BluetoothConnected);
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else
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UpdateStatus(Status_USBReady);
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}
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break;
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}
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}
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/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
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* log to a serial port, or anything else that is suitable for status updates.
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*
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* \param CurrentStatus Current status of the system, from the MouseHostViaInt_StatusCodes_t enum
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*/
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void UpdateStatus(uint8_t CurrentStatus)
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{
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uint8_t LEDMask = LEDS_NO_LEDS;
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/* Set the LED mask to the appropriate LED mask based on the given status code */
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switch (CurrentStatus)
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{
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case Status_USBNotReady:
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LEDMask = (LEDS_LED1);
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break;
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case Status_USBEnumerating:
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LEDMask = (LEDS_LED1 | LEDS_LED2);
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break;
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case Status_USBReady:
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LEDMask = (LEDS_LED2);
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break;
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case Status_EnumerationError:
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case Status_HardwareError:
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LEDMask = (LEDS_LED1 | LEDS_LED3);
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break;
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case Status_BluetoothConnected:
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LEDMask = (LEDS_LED2 | LEDS_LED4);
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break;
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case Status_BluetoothBusy:
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LEDMask = (LEDS_LED2 | LEDS_LED3 | LEDS_LED4);
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break;
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}
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/* Set the board LEDs to the new LED mask */
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LEDs_SetAllLEDs(LEDMask);
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}
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