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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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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 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all 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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/** \file
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*
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* Main source file for the BluetoothHost demo. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#include "BluetoothHost.h"
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/** Bluetooth configuration structure. This structure configures the bluetooth stack's user alterable settings. */
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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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/** Main program entry point. This routine configures the hardware required by the application, then
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* enters a loop to run the application tasks in sequence.
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*/
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int main(void)
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{
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SetupHardware();
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puts_P(PSTR(ESC_FG_CYAN "Bluetooth Host Demo running.\r\n" ESC_FG_WHITE));
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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sei();
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for (;;)
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{
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Bluetooth_Stack_USBTask();
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Bluetooth_Host_Task();
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USB_USBTask();
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}
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(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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USB_Init();
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}
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/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
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* starts the library USB task to begin the enumeration and USB management process.
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*/
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void EVENT_USB_Host_DeviceAttached(void)
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{
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puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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}
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/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
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* stops the library USB task management process.
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*/
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void EVENT_USB_Host_DeviceUnattached(void)
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{
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puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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}
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/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
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* enumerated by the host and is now ready to be used by the application.
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*/
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void EVENT_USB_Host_DeviceEnumerationComplete(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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}
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/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
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void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
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{
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USB_ShutDown();
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printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
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" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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for(;;);
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}
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/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
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* enumerating an attached USB device.
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*/
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void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
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{
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printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
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" -- Error Code %d\r\n"
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" -- Sub Error Code %d\r\n"
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" -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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/** Task to set the configuration of the attached device after it has been enumerated. */
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void Bluetooth_Host_Task(void)
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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 == DevControlError)
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puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\r\n"));
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else
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puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
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printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), 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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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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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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/* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
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if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
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{
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printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
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" -- Error Code: %d\r\n" ESC_FG_WHITE), 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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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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break;
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}
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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 == ControlError)
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puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
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else
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puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
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printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), 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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USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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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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/* Initialize the Bluetooth stack */
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Bluetooth_Stack_Init();
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USB_HostState = HOST_STATE_Configured;
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break;
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}
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}
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/** Bluetooth stack callback event for when the Bluetooth stack has fully initialized using the attached
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* Bluetooth dongle.
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*/
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void Bluetooth_StackInitialized(void)
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{
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printf_P(PSTR("Stack initialized with local address %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
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Bluetooth_State.LocalBDADDR[5], Bluetooth_State.LocalBDADDR[4], Bluetooth_State.LocalBDADDR[3],
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Bluetooth_State.LocalBDADDR[2], Bluetooth_State.LocalBDADDR[1], Bluetooth_State.LocalBDADDR[0]);
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}
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/** Bluetooth stack callback event for a Bluetooth connection request. When this callback fires, the
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* user application must indicate if the connection is to be allowed or rejected.
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*
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* \param[in] RemoteAddress Bluetooth address of the remote device attempting the connection
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*
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* \return Boolean true to accept the connection, false to reject it
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*/
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bool Bluetooth_ConnectionRequest(const uint8_t* RemoteAddress)
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{
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printf_P(PSTR("Connection Request from Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
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RemoteAddress[5], RemoteAddress[4], RemoteAddress[3], RemoteAddress[2],
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RemoteAddress[1], RemoteAddress[0]);
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/* Always accept connections from remote devices */
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return true;
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}
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/** Bluetooth stack callback event for a completed Bluetooth connection. When this callback is made,
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* the connection information can be accessed through the global \ref Bluetooth_Connection structure.
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*/
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void Bluetooth_ConnectionComplete(void)
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{
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printf_P(PSTR("Connection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
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Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
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Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
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Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
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}
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/** Bluetooth stack callback event for a completed Bluetooth disconnection. When this callback is made,
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* the connection information in the global \ref Bluetooth_Connection structure is invalidated with the
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* exception of the RemoteAddress element, which can be used to determine the address of the device that
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* was disconnected.
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*/
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void Bluetooth_DisconnectionComplete(void)
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{
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printf_P(PSTR("Disconnection Complete to Device %02X:%02X:%02X:%02X:%02X:%02X.\r\n"),
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Bluetooth_Connection.RemoteAddress[5], Bluetooth_Connection.RemoteAddress[4],
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Bluetooth_Connection.RemoteAddress[3], Bluetooth_Connection.RemoteAddress[2],
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Bluetooth_Connection.RemoteAddress[1], Bluetooth_Connection.RemoteAddress[0]);
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}
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/** Bluetooth stack callback event for a Bluetooth ACL Channel connection request. When is callback fires,
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* the user application must indicate if the channel connection should be rejected or not, based on the
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* protocol (PSM) value of the requested channel.
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*
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* \param[in] PSM Protocol PSM value for the requested channel
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*
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* \return Boolean true to accept the channel connection request, false to reject it
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*/
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bool Bluetooth_ChannelConnectionRequest(const uint16_t PSM)
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{
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/* Always accept channel connection requests regardless of PSM */
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return true;
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}
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/** Bluetooth stack callback event for a non-signal ACL packet reception. This callback fires once a connection
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* to a remote Bluetooth device has been made, and the remote device has sent a non-signalling ACL packet.
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*
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* \param[in] Data Pointer to a buffer where the received data is stored
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* \param[in] DataLen Length of the packet data, in bytes
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* \param[in] Channel Bluetooth ACL data channel information structure for the packet's destination channel
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*/
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void Bluetooth_PacketReceived(void* Data, uint16_t DataLen, Bluetooth_Channel_t* const Channel)
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{
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switch (Channel->PSM)
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{
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case CHANNEL_PSM_SDP:
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/* Service Discovery Protocol packet */
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SDP_ProcessPacket(Data, Channel);
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break;
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case CHANNEL_PSM_RFCOMM:
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/* RFCOMM (Serial Port) Protocol packet */
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RFCOMM_ProcessPacket(Data, Channel);
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break;
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default:
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/* Unknown Protocol packet */
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printf_P(PSTR("Unknown Packet Received (Channel 0x%04X, PSM: 0x%02X):\r\n"), Channel->LocalNumber, Channel->PSM);
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break;
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}
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}
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