serial_hw.cpp File Reference

Detailed Description

SERIAL bus low level code.

Date

Apr 17, 2020

Author

Konstantin Smola, (c) 2020

Definition in file serial_hw.cpp.

Functions
static void	auxInfo ()
void	enableAuxSerial ()
void	stopAuxSerialPins ()
void	startAuxSerialPins ()
void	initAuxSerial (void)

Variables
static bool	isSerialEnabled = false
static bool	isSerialTXEnabled = false
static bool	isSerialRXEnabled = false
static SerialConfig	uartCfg
static SerialRead	serialRead

Function Documentation

auxInfo()

static void auxInfo ( )

static

Definition at line 25 of file serial_hw.cpp.

                      {
    if (!isSerialEnabled) {
        efiPrintf("AUX Serial is not enabled, please enable & restart");
        return;
    }
 
    efiPrintf("AUX Serial TX %s", hwPortname(engineConfiguration->auxSerialTxPin));
    efiPrintf("AUX Serial RX %s", hwPortname(engineConfiguration->auxSerialRxPin));
}

Referenced by initAuxSerial().

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enableAuxSerial()

void enableAuxSerial

(

)

Definition at line 35 of file serial_hw.cpp.

                       {
    uartCfg.speed = engineConfiguration->auxSerialSpeed;
    sdStart(AUX_SERIAL_DEVICE, &uartCfg);
 
    efiPrintf("AUX Serial started");
}

Referenced by startAuxSerialPins().

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initAuxSerial()

void initAuxSerial

(

void

)

Definition at line 56 of file serial_hw.cpp.

                         {
    addConsoleAction("auxinfo", auxInfo);
 
    isSerialRXEnabled = isBrainPinValid(engineConfiguration->auxSerialRxPin);
    isSerialTXEnabled = isBrainPinValid(engineConfiguration->auxSerialTxPin);
 
    isSerialEnabled =
        isSerialRXEnabled || // we need at least one pin set
        isSerialTXEnabled;
 
    // exit if no pin is configured
    if (!isSerialEnabled)
        return;
 
    // Validate pins 
    if (isSerialTXEnabled && !isValidSerialTxPin(engineConfiguration->auxSerialTxPin)) {
        criticalError("unexpected aux TX pin");
        return;
    }
 
    if (isSerialRXEnabled && !isValidSerialRxPin(engineConfiguration->auxSerialRxPin)) {
        criticalError("unexpected aux RX pin");
        return;
    }
 
    startAuxSerialPins();
 
    if (isSerialRXEnabled)
        serialRead.start();
}

Referenced by initHardware().

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startAuxSerialPins()

void startAuxSerialPins

(

)

Definition at line 47 of file serial_hw.cpp.

                          {
    if (isBrainPinValid(engineConfiguration->auxSerialTxPin))
        efiSetPadMode("AuxSerial TX", engineConfiguration->auxSerialTxPin, PAL_MODE_ALTERNATE(8));
    if (isBrainPinValid(engineConfiguration->auxSerialRxPin))
        efiSetPadMode("AuxSerial RX", engineConfiguration->auxSerialRxPin, PAL_MODE_ALTERNATE(8));
 
    enableAuxSerial();
}

Referenced by applyNewHardwareSettings(), and initAuxSerial().

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stopAuxSerialPins()

void stopAuxSerialPins

(

)

Definition at line 42 of file serial_hw.cpp.

                         {
    efiSetPadUnused(activeConfiguration.auxSerialTxPin);
    efiSetPadUnused(activeConfiguration.auxSerialRxPin);
}

Referenced by applyNewHardwareSettings().

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Variable Documentation

isSerialEnabled

bool isSerialEnabled = false

static

Definition at line 18 of file serial_hw.cpp.

Referenced by auxInfo(), and initAuxSerial().

isSerialRXEnabled

bool isSerialRXEnabled = false

static

Definition at line 20 of file serial_hw.cpp.

Referenced by initAuxSerial().

isSerialTXEnabled

bool isSerialTXEnabled = false

static

Definition at line 19 of file serial_hw.cpp.

Referenced by initAuxSerial().

serialRead

SerialRead serialRead

static

Definition at line 23 of file serial_hw.cpp.

Referenced by initAuxSerial().

uartCfg

SerialConfig uartCfg

static

Definition at line 22 of file serial_hw.cpp.

Referenced by enableAuxSerial().

Go to the source code of this file.