#include "clock_config.h" #include "fsl_clock.h" /******************************************************************************* * Variables ******************************************************************************/ /* System clock frequency. */ // extern uint32_t SystemCoreClock; /******************************************************************************* * Variables for BOARD_BootClockRUN configuration ******************************************************************************/ const mcglite_config_t mcgliteConfig_BOARD_BootClockRUN = { .outSrc = kMCGLITE_ClkSrcHirc, /* MCGOUTCLK source is HIRC */ .irclkEnableMode = kMCGLITE_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */ .ircs = kMCGLITE_Lirc8M, /* Slow internal reference (LIRC) 8 MHz clock selected */ .fcrdiv = kMCGLITE_LircDivBy1, /* Low-frequency Internal Reference Clock Divider: divided by 1 */ .lircDiv2 = kMCGLITE_LircDivBy1, /* Second Low-frequency Internal Reference Clock Divider: divided by 1 */ .hircEnableInNotHircMode = true, /* HIRC source is enabled */ }; const sim_clock_config_t simConfig_BOARD_BootClockRUN = { .er32kSrc = SIM_OSC32KSEL_LPO_CLK, /* OSC32KSEL select: LPO clock */ .clkdiv1 = 0x10000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /2 */ }; /******************************************************************************* * Code for BOARD_BootClockRUN configuration ******************************************************************************/ void BOARD_BootClockRUN(void) { /* Set the system clock dividers in SIM to safe value. */ CLOCK_SetSimSafeDivs(); /* Set MCG to HIRC mode. */ CLOCK_SetMcgliteConfig(&mcgliteConfig_BOARD_BootClockRUN); /* Set the clock configuration in SIM module. */ CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN); /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK; }