bluetooth.h

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/**
 * @file    bluetooth.h
 * @file Bluethoot modules hardware initialization
 *
 * @date Aug 26, 2013
 * @author andreika, (c) 2017
 * @author Andrey Belomutskiy, (c) 2012-2020
 */
 
#pragma once
#include "global.h"
#include "tunerstudio_io.h"
 
 
// The Bluetooth setup procedure will wait (TS_COMMUNICATION_TIMEOUT + 3) seconds for the user to disconnect BT.
// This is required because the BT setup procedure reads a response from the module during the communication.
// Thus any bytes sent from the Console Software may interfere with the procedure.
#define BLUETOOTH_SILENT_TIMEOUT TIME_MS2I(3000)
 
// Supported Bluetooth module types
typedef enum {
    BLUETOOTH_HC_05,
    BLUETOOTH_HC_06,
    /**
     * See https://rusefi.com/forum/viewtopic.php?f=13&t=1999
     */
    BLUETOOTH_BK3231,
    // fun fact: those use BK3232 see above
    BLUETOOTH_JDY_3x,
  BLUETOOTH_JDY_31,
} bluetooth_module_e;
 
/**
 * Start Bluetooth module initialization using UART connection:
 * - wait for PC communication disconnect;
 * - reconfigure the UART;
 * - send AT-commands to the module;
 * - restore connection to PC.
 */
void bluetoothStart(bluetooth_module_e moduleType, const char *baudRate, const char *name, const char *pinCode);
 
/**
 * Called by runBinaryProtocolLoop() if a connection disconnect is detected.
 * Bluetooth init code needs to make sure that there's no interference of the BT module and USB-UART (connected to PC)
 */
void bluetoothSoftwareDisconnectNotify(SerialTsChannelBase* tsChannel);
 
/**
 * Called during bluetooth initialization. Checks to see if module responds to common baud rates
 * returns the index of the found baud
 */
uint8_t findBaudIndex(SerialTsChannelBase* tsChannel);