Make the keyboard + mouse composite USB device work based on the KSDK 2.0 usb_device_composite_hid_mouse_hid_keyboard demo.
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258
right/include/board/clock_config.c
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258
right/include/board/clock_config.c
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/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "fsl_common.h"
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#include "fsl_smc.h"
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#include "clock_config.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*! @brief Clock configuration structure. */
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typedef struct _clock_config
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{
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mcg_config_t mcgConfig; /*!< MCG configuration. */
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sim_clock_config_t simConfig; /*!< SIM configuration. */
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osc_config_t oscConfig; /*!< OSC configuration. */
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uint32_t coreClock; /*!< core clock frequency. */
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} clock_config_t;
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/*******************************************************************************
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* Variables
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******************************************************************************/
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/* System clock frequency. */
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extern uint32_t SystemCoreClock;
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/* Configuration for enter VLPR mode. Core clock = 4MHz. */
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const clock_config_t g_defaultClockConfigVlpr = {
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.mcgConfig =
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{
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.mcgMode = kMCG_ModeBLPI, /* Work in BLPI mode. */
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.irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enable. */
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.ircs = kMCG_IrcFast, /* Select IRC4M. */
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.fcrdiv = 0U, /* FCRDIV is 0. */
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.frdiv = 0U,
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.drs = kMCG_DrsLow, /* Low frequency range. */
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.dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25%. */
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.oscsel = kMCG_OscselOsc, /* Select OSC. */
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.pll0Config =
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{
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.enableMode = 0U, /* Don't eanble PLL. */
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.prdiv = 0U,
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.vdiv = 0U,
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},
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},
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.simConfig =
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{
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.pllFllSel = 3U, /* PLLFLLSEL select IRC48MCLK. */
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.er32kSrc = 2U, /* ERCLK32K selection, use RTC. */
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.clkdiv1 = 0x00040000U, /* SIM_CLKDIV1. */
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},
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.oscConfig = {.freq = BOARD_XTAL0_CLK_HZ,
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.capLoad = 0,
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.workMode = kOSC_ModeOscLowPower,
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.oscerConfig =
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{
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.enableMode = kOSC_ErClkEnable,
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#if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER)
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.erclkDiv = 0U,
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#endif
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}},
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.coreClock = 4000000U, /* Core clock frequency */
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};
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/* Configuration for enter RUN mode. Core clock = 80MHz. */
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const clock_config_t g_defaultClockConfigRun = {
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.mcgConfig =
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{
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.mcgMode = kMCG_ModePEE, /* Work in PEE mode. */
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.irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enable. */
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.ircs = kMCG_IrcSlow, /* Select IRC32k.*/
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.fcrdiv = 0U, /* FCRDIV is 0. */
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.frdiv = 3U,
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.drs = kMCG_DrsLow, /* Low frequency range. */
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.dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25%. */
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.oscsel = kMCG_OscselOsc, /* Select OSC. */
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.pll0Config =
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{
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.enableMode = 0U, .prdiv = 0x3U, .vdiv = 0x10U,
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},
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},
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.simConfig =
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{
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.pllFllSel = 1U, /* PLLFLLSEL select PLL. */
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.er32kSrc = 2U, /* ERCLK32K selection, use RTC. */
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.clkdiv1 = 0x01230000U, /* SIM_CLKDIV1. */
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},
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.oscConfig = {.freq = BOARD_XTAL0_CLK_HZ,
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.capLoad = 0,
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.workMode = kOSC_ModeOscLowPower,
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.oscerConfig =
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{
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.enableMode = kOSC_ErClkEnable,
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#if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER)
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.erclkDiv = 0U,
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#endif
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}},
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.coreClock = 80000000U, /* Core clock frequency */
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};
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/* Configuration for HSRUN mode. Core clock = 120MHz. */
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const clock_config_t g_defaultClockConfigHsrun = {
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.mcgConfig =
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{
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.mcgMode = kMCG_ModePEE, /* Work in PEE mode. */
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.irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enable. */
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.ircs = kMCG_IrcSlow, /* Select IRC32k. */
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.fcrdiv = 0U, /* FCRDIV is 0. */
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.frdiv = 3U,
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.drs = kMCG_DrsLow, /* Low frequency range. */
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.dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25%. */
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.oscsel = kMCG_OscselOsc, /* Select OSC. */
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.pll0Config =
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{
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.enableMode = 0U, .prdiv = 0x1U, .vdiv = 0x6U,
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},
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},
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.simConfig =
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{
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.pllFllSel = 1U, /* PLLFLLSEL select PLL. */
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.er32kSrc = 2U, /* ERCLK32K selection, use RTC. */
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.clkdiv1 = 0x01340000U, /* SIM_CLKDIV1. */
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},
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.oscConfig = {.freq = BOARD_XTAL0_CLK_HZ,
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.capLoad = 0,
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.workMode = kOSC_ModeOscLowPower,
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.oscerConfig =
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{
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.enableMode = kOSC_ErClkEnable,
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#if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER)
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.erclkDiv = 0U,
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#endif
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}},
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.coreClock = 120000000U, /* Core clock frequency */
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};
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/*******************************************************************************
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* Code
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******************************************************************************/
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/*
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* How to setup clock using clock driver functions:
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*
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* 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock
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* and flash clock are in allowed range during clock mode switch.
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*
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* 2. Call CLOCK_Osc0Init to setup OSC clock, if it is used in target mode.
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*
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* 3. Set MCG configuration, MCG includes three parts: FLL clock, PLL clock and
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* internal reference clock(MCGIRCLK). Follow the steps to setup:
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*
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* 1). Call CLOCK_BootToXxxMode to set MCG to target mode.
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*
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* 2). If target mode is FBI/BLPI/PBI mode, the MCGIRCLK has been configured
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* correctly. For other modes, need to call CLOCK_SetInternalRefClkConfig
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* explicitly to setup MCGIRCLK.
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*
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* 3). Don't need to configure FLL explicitly, because if target mode is FLL
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* mode, then FLL has been configured by the function CLOCK_BootToXxxMode,
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* if the target mode is not FLL mode, the FLL is disabled.
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*
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* 4). If target mode is PEE/PBE/PEI/PBI mode, then the related PLL has been
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* setup by CLOCK_BootToXxxMode. In FBE/FBI/FEE/FBE mode, the PLL could
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* be enabled independently, call CLOCK_EnablePll0 explicitly in this case.
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*
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* 4. Call CLOCK_SetSimConfig to set the clock configuration in SIM.
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*/
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void BOARD_BootClockVLPR(void)
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{
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CLOCK_SetSimSafeDivs();
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CLOCK_BootToBlpiMode(g_defaultClockConfigVlpr.mcgConfig.fcrdiv, g_defaultClockConfigVlpr.mcgConfig.ircs,
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g_defaultClockConfigVlpr.mcgConfig.irclkEnableMode);
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CLOCK_SetSimConfig(&g_defaultClockConfigVlpr.simConfig);
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SystemCoreClock = g_defaultClockConfigVlpr.coreClock;
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SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
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SMC_SetPowerModeVlpr(SMC);
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while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr)
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{
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}
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}
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void BOARD_BootClockRUN(void)
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{
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CLOCK_SetSimSafeDivs();
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CLOCK_InitOsc0(&g_defaultClockConfigRun.oscConfig);
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CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ);
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CLOCK_BootToPeeMode(g_defaultClockConfigRun.mcgConfig.oscsel, kMCG_PllClkSelPll0,
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&g_defaultClockConfigRun.mcgConfig.pll0Config);
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CLOCK_SetInternalRefClkConfig(g_defaultClockConfigRun.mcgConfig.irclkEnableMode,
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g_defaultClockConfigRun.mcgConfig.ircs, g_defaultClockConfigRun.mcgConfig.fcrdiv);
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CLOCK_SetSimConfig(&g_defaultClockConfigRun.simConfig);
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SystemCoreClock = g_defaultClockConfigRun.coreClock;
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}
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void BOARD_BootClockHSRUN(void)
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{
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SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
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SMC_SetPowerModeHsrun(SMC);
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while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateHsrun)
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{
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}
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CLOCK_SetSimSafeDivs();
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CLOCK_InitOsc0(&g_defaultClockConfigHsrun.oscConfig);
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CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ);
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CLOCK_BootToPeeMode(g_defaultClockConfigHsrun.mcgConfig.oscsel, kMCG_PllClkSelPll0,
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&g_defaultClockConfigHsrun.mcgConfig.pll0Config);
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CLOCK_SetInternalRefClkConfig(g_defaultClockConfigHsrun.mcgConfig.irclkEnableMode,
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g_defaultClockConfigHsrun.mcgConfig.ircs, g_defaultClockConfigHsrun.mcgConfig.fcrdiv);
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CLOCK_SetSimConfig(&g_defaultClockConfigHsrun.simConfig);
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SystemCoreClock = g_defaultClockConfigHsrun.coreClock;
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}
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