bootloader_main.cpp File Reference

Functions
void	CopInitHook (void)
void	CopServiceHook (void)
PUBLIC_API_WEAK bool	OpenBltIsBoardOk ()
static blt_bool	checkIfRebootIntoOpenBltRequested (void)
static blt_bool	checkIfResetLoop (void)
int	main (void)
void	efiSetPadMode (const char *msg, brain_pin_e brainPin, iomode_t mode)

Variables
blt_bool	stayInBootloader
static blt_bool	waitedLongerThanTimeout = BLT_FALSE
static blt_bool	rebootLoop
static blt_bool	wdReset
static const uint8_t	maxWdRebootCounter = 10
static BlinkyThread	blinky

Function Documentation

checkIfRebootIntoOpenBltRequested()

static blt_bool checkIfRebootIntoOpenBltRequested ( void  )

static

Definition at line 133 of file bootloader_main.cpp.

                                                        {
    uint8_t value = 0x00;
    if (SharedParamsReadByIndex(0, &value) && (value == 0x01)) {
        /* clear */
        SharedParamsWriteByIndex(0, 0x00);
        return BLT_TRUE;
    }
    return BLT_FALSE;
}

Referenced by main().

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checkIfResetLoop()

static blt_bool checkIfResetLoop ( void  )

static

Definition at line 143 of file bootloader_main.cpp.

                                       {
    uint8_t wd_counter = 0;
    Reset_Cause_t resetCause = getMCUResetCause();
    if ((resetCause == Reset_Cause_IWatchdog) ||
        (resetCause == Reset_Cause_WWatchdog)) {
        // One of watchdogs
        SharedParamsReadByIndex(1, &wd_counter);
        wd_counter++;
        SharedParamsWriteByIndex(1, wd_counter);
        wdReset = BLT_TRUE;
    } else if ((resetCause == Reset_Cause_NRST_Pin) ||
               (resetCause == Reset_Cause_POR)) {
        // power on or NRST reset
        // cleat WD counter
        SharedParamsWriteByIndex(1, wd_counter);
    }
 
    return (wd_counter > maxWdRebootCounter);
}

Referenced by main().

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CopInitHook()

void CopInitHook

(

void

)

Definition at line 32 of file bootloader_main.cpp.

                       {
    // Nothing to do...
}

CopServiceHook()

void CopServiceHook

(

void

)

Definition at line 36 of file bootloader_main.cpp.

                          {
    // We need to reset WDT here
#if HAL_USE_WDG
    wdgResetI(&WDGD1);
#endif // HAL_USE_WDG
}

efiSetPadMode()

void efiSetPadMode	(	const char *	msg,
		brain_pin_e	brainPin,
		iomode_t	mode
	)

Definition at line 207 of file bootloader_main.cpp.

                                                                         {
    ioportid_t port = getHwPort(msg, brainPin);
    ioportmask_t pin = getHwPin(msg, brainPin);
    /* paranoid */
    if (!port) {
        return;
    }
 
    palSetPadMode(port, pin, mode);
}

Referenced by efiExtiEnablePin(), hellen154_hyundai_boardConfigOverrides(), GenericGearController::init(), BitbangI2c::init(), init5vpDiag(), initAuxDigital(), initDac(), initGps(), initIfValid(), OutputPin::initPin(), initSoftwareKnock(), initSpiCs(), initSpiModule(), initTriggerScope(), nucleo_f429_preHalInit(), nucleo_h743_preHalInit(), setEepromTestConfiguration(), startInputPinIfValid(), startKLine(), startSent(), ButtonDebounce::stopConfiguration(), and usb_serial_start().

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main()

int main

(

void

)

Definition at line 163 of file bootloader_main.cpp.

               {
    halInit();
    chSysInit();
 
    baseMCUInit();
 
    // Init openblt shared params
    SharedParamsInit();
    rebootLoop = checkIfResetLoop();
    stayInBootloader = checkIfRebootIntoOpenBltRequested() || rebootLoop;
 
    // start the blinky thread
    blinky.start(NORMALPRIO + 10);
 
    // Init openblt itself
    BootInit();
 
    blt_bool wasConnected = BLT_FALSE;
 
    while (true) {
        BootTask();
 
        // since BOOT_BACKDOOR_HOOKS_ENABLE==TRUE, BackDoorCheck() is not working
        // so we have to manually check if we need to jump to the main firmware
        if (ComIsConnected() == BLT_TRUE) {
            // remember we had connection attempt
            wasConnected = BLT_TRUE;
            continue;
        }
        if (stayInBootloader || wasConnected)
            continue;
#if (BOOT_BACKDOOR_ENTRY_TIMEOUT_MS > 0)
        blt_bool isTimeout = (TIME_I2MS(chVTGetSystemTime()) >= BOOT_BACKDOOR_ENTRY_TIMEOUT_MS);
#else
        blt_bool isTimeout = BLT_TRUE;
#endif // BOOT_BACKDOOR_ENTRY_TIMEOUT_MS
        if (isTimeout == BLT_TRUE) {
            waitedLongerThanTimeout = BLT_TRUE;
            CpuStartUserProgram();
        }
    }
}

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OpenBltIsBoardOk()

PUBLIC_API_WEAK bool OpenBltIsBoardOk

(

)

Definition at line 44 of file bootloader_main.cpp.

{
    return true;
}

Variable Documentation

blinky

BlinkyThread blinky

static

Definition at line 131 of file bootloader_main.cpp.

Referenced by main().

maxWdRebootCounter

const uint8_t maxWdRebootCounter = 10

static

Definition at line 23 of file bootloader_main.cpp.

Referenced by checkIfResetLoop().

rebootLoop

blt_bool rebootLoop

static

Definition at line 20 of file bootloader_main.cpp.

Referenced by main().

stayInBootloader

blt_bool stayInBootloader

Definition at line 17 of file bootloader_main.cpp.

Referenced by main(), and Rs232Init().

waitedLongerThanTimeout

blt_bool waitedLongerThanTimeout = BLT_FALSE

static

Definition at line 19 of file bootloader_main.cpp.

Referenced by main().

wdReset

blt_bool wdReset

static

Definition at line 21 of file bootloader_main.cpp.

Referenced by checkIfResetLoop().

Go to the source code of this file.