Use PLL by default
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@ -238,6 +238,7 @@ static void set_HCLK(uint32_t clkSource, uint32_t clkDivider)
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}
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}
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#if NUC123_PLL_ENABLED
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static uint32_t enable_pll(uint32_t pllSrc, uint32_t pllFreq)
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{
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/* Disable PLL first to avoid unstable when setting PLL. */
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@ -430,6 +431,7 @@ static uint32_t set_core_clock(uint32_t clkCore)
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/* Return actual HCLK frequency is PLL frequency divide 2 */
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return (clkCore >> 1);
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}
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#endif
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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@ -466,12 +468,10 @@ void NUC123_clock_init(void)
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set_HCLK(NUC123_HCLKSRC_HSI, CLK_CLKDIV_HCLK(1));
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#if NUC123_HSE_ENABLED
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SYS->GPF_MFP |= (SYS_GPF_MFP_GPF_MFP0_Msk | SYS_GPF_MFP_GPF_MFP1_Msk);
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CLK->PWRCON |= CLK_PWRCON_XTL12M_EN_Msk;
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wait_for_clock_ready(CLK_CLKSTATUS_XTL12M_STB_Msk);
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#endif /* NUC123_HSE_ENABLED */
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#if NUC123_LSI_ENABLED
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@ -479,7 +479,9 @@ void NUC123_clock_init(void)
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wait_for_clock_ready(CLK_CLKSTATUS_IRC10K_STB_Msk);
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#endif /* NUC123_LSI_ENABLED */
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#if NUC123_PLL_ENABLED
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set_core_clock(NUC123_HCLK);
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#endif /* NUC123_PLL_ENABLED */
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LOCKREG();
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}
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@ -155,14 +155,18 @@
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* @brief Enables or disables PLL
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*/
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#if !defined(NUC123_PLL_ENABLED) || defined(__DOXYGEN__)
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#define NUC123_PLL_ENABLED FALSE
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#define NUC123_PLL_ENABLED TRUE
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#endif
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/**
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* @brief Clock source for the PLL.
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*/
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#if !defined(NUC123_HCLK) || defined(__DOXYGEN__)
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#if NUC123_PLL_ENABLED
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#define NUC123_HCLK 72000000UL
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#else
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#define NUC123_HCLK __HIRC
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#endif
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#endif
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/** @} */
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