BOARD_BootClockRUN is stoped

pellegrinoadria — Wed, 12 Dec 2018 02:36:08 GMT

Hello!
I use a example for SDK in MCUXpresso but when debug the code, it is stoped.

Here the code from clock_config.c:

/*******************************************************************************
* Variables for BOARD_BootClockRUN configuration
******************************************************************************/
const mcg_config_t mcgConfig_BOARD_BootClockRUN =
    {
        .mcgMode = kMCG_ModePEE,                  /* PEE - PLL Engaged External */
        .irclkEnableMode = kMCG_IrclkEnable,      /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
        .ircs = kMCG_IrcSlow,                     /* Slow internal reference clock selected */
        .fcrdiv = 0x0U,                           /* Fast IRC divider: divided by 1 */
        .frdiv = 0x0U,                            /* FLL reference clock divider: divided by 32 */
        .drs = kMCG_DrsLow,                       /* Low frequency range */
        .dmx32 = kMCG_Dmx32Default,               /* DCO has a default range of 25% */
        .pll0Config =
            {
                .enableMode = MCG_PLL_DISABLE,    /* MCGPLLCLK disabled */
                .prdiv = 0x1U,                    /* PLL Reference divider: divided by 2 */
                .vdiv = 0x0U,                     /* VCO divider: multiplied by 24 */
            },
    };
const sim_clock_config_t simConfig_BOARD_BootClockRUN =
    {
        .pllFllSel = SIM_PLLFLLSEL_MCGPLLCLK_CLK, /* PLLFLL select: MCGPLLCLK clock */
        .er32kSrc = SIM_OSC32KSEL_LPO_CLK,        /* OSC32KSEL select: LPO clock */
        .clkdiv1 = 0x10010000U,                   /* SIM_CLKDIV1 - OUTDIV1: /2, OUTDIV4: /2 */
    };
const osc_config_t oscConfig_BOARD_BootClockRUN =
    {
        .freq = 8000000U,                         /* Oscillator frequency: 8000000Hz */
        .capLoad = (OSC_CAP0P),                   /* Oscillator capacity load: 0pF */
        .workMode = kOSC_ModeOscLowPower,         /* Oscillator low power */
        .oscerConfig =
            {
                .enableMode = kOSC_ErClkEnable,   /* Enable external reference clock, disable external reference clock in STOP mode */
            }
    };

/*******************************************************************************
* Code for BOARD_BootClockRUN configuration
******************************************************************************/
void BOARD_BootClockRUN(void)
{
    /* Set the system clock dividers in SIM to safe value. */
    CLOCK_SetSimSafeDivs();
    /* Initializes OSC0 according to board configuration. */
    CLOCK_InitOsc0(&oscConfig_BOARD_BootClockRUN); [HERE STOP, below the fuction]
    CLOCK_SetXtal0Freq(oscConfig_BOARD_BootClockRUN.freq);
    /* Configure FLL external reference divider (FRDIV). */
    CLOCK_CONFIG_SetFllExtRefDiv(mcgConfig_BOARD_BootClockRUN.frdiv);
    /* Set MCG to PEE mode. */
    CLOCK_BootToPeeMode(kMCG_OscselOsc,
                        kMCG_PllClkSelPll0,
                        &mcgConfig_BOARD_BootClockRUN.pll0Config);
    /* Configure the Internal Reference clock (MCGIRCLK). */
    CLOCK_SetInternalRefClkConfig(mcgConfig_BOARD_BootClockRUN.irclkEnableMode,
                                  mcgConfig_BOARD_BootClockRUN.ircs,
                                  mcgConfig_BOARD_BootClockRUN.fcrdiv);
    /* Set the clock configuration in SIM module. */
    CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
    /* Set SystemCoreClock variable. */
    SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
}

/////////////////////////////////////////////////

Code from fsl_clock.c

///////////////////////////////////////////////////

void CLOCK_InitOsc0(osc_config_t const *config)
{
uint8_t range = CLOCK_GetOscRangeFromFreq(config->freq);

OSC_SetCapLoad(OSC0, config->capLoad);
OSC_SetExtRefClkConfig(OSC0, &config->oscerConfig);

MCG->C2 = ((MCG->C2 & ~OSC_MODE_MASK) | MCG_C2_RANGE(range) | (uint8_t)config->workMode);

    if ((kOSC_ModeExt != config->workMode) && (OSC0->CR & OSC_CR_ERCLKEN_MASK))
    {
        /* Wait for stable. */
        while (!(MCG->S & MCG_S_OSCINIT0_MASK)) [HERE STOP]
        {
        }
    }
}

Re: BOARD_BootClockRUN is stoped

Robin_Shen — Thu, 13 Dec 2018 01:15:32 GMT

Hi Adrian Pellegrino,

If you are using FRDM-KL46Z board with latest MCUXPresso SDK_2.4.1_FRDM-KL46Z and MCUXpresso IDE.
Please check the Y1 crystal is well connected to Pin50 Pin51 of MCU or not.
I am able to run gpio example on FRDM-KL46Z(SCH-27822 REV C) board.

Best Regards,

Robin

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