| /* |
| * Copyright (c) 2015, Freescale Semiconductor, Inc. |
| * Copyright (c) 2016 - 2017 , NXP |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * o Redistributions of source code must retain the above copyright notice, this list |
| * of conditions and the following disclaimer. |
| * |
| * o Redistributions in binary form must reproduce the above copyright notice, this |
| * list of conditions and the following disclaimer in the documentation and/or |
| * other materials provided with the distribution. |
| * |
| * o Neither the name of copyright holder nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _FSL_CLOCK_H_ |
| #define _FSL_CLOCK_H_ |
| |
| #include "fsl_common.h" |
| |
| /*! @addtogroup clock */ |
| /*! @{ */ |
| |
| /*! @file */ |
| |
| /******************************************************************************* |
| * Configurations |
| ******************************************************************************/ |
| |
| /*! @brief Configures whether to check a parameter in a function. |
| * |
| * Some MCG settings must be changed with conditions, for example: |
| * 1. MCGIRCLK settings, such as the source, divider, and the trim value should not change when |
| * MCGIRCLK is used as a system clock source. |
| * 2. MCG_C7[OSCSEL] should not be changed when the external reference clock is used |
| * as a system clock source. For example, in FBE/BLPE/PBE modes. |
| * 3. The users should only switch between the supported clock modes. |
| * |
| * MCG functions check the parameter and MCG status before setting, if not allowed |
| * to change, the functions return error. The parameter checking increases code size, |
| * if code size is a critical requirement, change #MCG_CONFIG_CHECK_PARAM to 0 to |
| * disable parameter checking. |
| */ |
| #ifndef MCG_CONFIG_CHECK_PARAM |
| #define MCG_CONFIG_CHECK_PARAM 0U |
| #endif |
| |
| /*! @brief Configure whether driver controls clock |
| * |
| * When set to 0, peripheral drivers will enable clock in initialize function |
| * and disable clock in de-initialize function. When set to 1, peripheral |
| * driver will not control the clock, application could contol the clock out of |
| * the driver. |
| * |
| * @note All drivers share this feature switcher. If it is set to 1, application |
| * should handle clock enable and disable for all drivers. |
| */ |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)) |
| #define FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL 0 |
| #endif |
| |
| /******************************************************************************* |
| * Definitions |
| ******************************************************************************/ |
| |
| /*! @name Driver version */ |
| /*@{*/ |
| /*! @brief CLOCK driver version 2.2.1. */ |
| #define FSL_CLOCK_DRIVER_VERSION (MAKE_VERSION(2, 2, 1)) |
| /*@}*/ |
| |
| /*! @brief External XTAL0 (OSC0) clock frequency. |
| * |
| * The XTAL0/EXTAL0 (OSC0) clock frequency in Hz. When the clock is set up, use the |
| * function CLOCK_SetXtal0Freq to set the value in the clock driver. For example, |
| * if XTAL0 is 8 MHz: |
| * @code |
| * CLOCK_InitOsc0(...); // Set up the OSC0 |
| * CLOCK_SetXtal0Freq(80000000); // Set the XTAL0 value to the clock driver. |
| * @endcode |
| * |
| * This is important for the multicore platforms where only one core needs to set up the |
| * OSC0 using the CLOCK_InitOsc0. All other cores need to call the CLOCK_SetXtal0Freq |
| * to get a valid clock frequency. |
| */ |
| extern uint32_t g_xtal0Freq; |
| |
| /*! @brief External XTAL32/EXTAL32/RTC_CLKIN clock frequency. |
| * |
| * The XTAL32/EXTAL32/RTC_CLKIN clock frequency in Hz. When the clock is set up, use the |
| * function CLOCK_SetXtal32Freq to set the value in the clock driver. |
| * |
| * This is important for the multicore platforms where only one core needs to set up |
| * the clock. All other cores need to call the CLOCK_SetXtal32Freq |
| * to get a valid clock frequency. |
| */ |
| extern uint32_t g_xtal32Freq; |
| |
| #if (defined(OSC) && !(defined(OSC0))) |
| #define OSC0 OSC |
| #endif |
| |
| /*! @brief Clock ip name array for DMAMUX. */ |
| #define DMAMUX_CLOCKS \ |
| { \ |
| kCLOCK_Dmamux0 \ |
| } |
| |
| /*! @brief Clock ip name array for RTC. */ |
| #define RTC_CLOCKS \ |
| { \ |
| kCLOCK_Rtc0 \ |
| } |
| |
| /*! @brief Clock ip name array for SAI. */ |
| #define SAI_CLOCKS \ |
| { \ |
| kCLOCK_Sai0 \ |
| } |
| |
| /*! @brief Clock ip name array for PORT. */ |
| #define PORT_CLOCKS \ |
| { \ |
| kCLOCK_PortA, kCLOCK_PortB, kCLOCK_PortC, kCLOCK_PortD, kCLOCK_PortE \ |
| } |
| |
| /*! @brief Clock ip name array for EWM. */ |
| #define EWM_CLOCKS \ |
| { \ |
| kCLOCK_Ewm0 \ |
| } |
| |
| /*! @brief Clock ip name array for PIT. */ |
| #define PIT_CLOCKS \ |
| { \ |
| kCLOCK_Pit0 \ |
| } |
| |
| /*! @brief Clock ip name array for DSPI. */ |
| #define DSPI_CLOCKS \ |
| { \ |
| kCLOCK_Spi0, kCLOCK_Spi1 \ |
| } |
| |
| /*! @brief Clock ip name array for LPTMR. */ |
| #define LPTMR_CLOCKS \ |
| { \ |
| kCLOCK_Lptmr0 \ |
| } |
| |
| /*! @brief Clock ip name array for FTM. */ |
| #define FTM_CLOCKS \ |
| { \ |
| kCLOCK_Ftm0, kCLOCK_Ftm1, kCLOCK_Ftm2 \ |
| } |
| |
| /*! @brief Clock ip name array for EDMA. */ |
| #define EDMA_CLOCKS \ |
| { \ |
| kCLOCK_Dma0 \ |
| } |
| |
| /*! @brief Clock ip name array for ADC16. */ |
| #define ADC16_CLOCKS \ |
| { \ |
| kCLOCK_Adc0 \ |
| } |
| |
| /*! @brief Clock ip name array for CMT. */ |
| #define CMT_CLOCKS \ |
| { \ |
| kCLOCK_Cmt0 \ |
| } |
| |
| /*! @brief Clock ip name array for UART. */ |
| #define UART_CLOCKS \ |
| { \ |
| kCLOCK_Uart0, kCLOCK_Uart1, kCLOCK_Uart2 \ |
| } |
| |
| /*! @brief Clock ip name array for RNGA. */ |
| #define RNGA_CLOCKS \ |
| { \ |
| kCLOCK_Rnga0 \ |
| } |
| |
| /*! @brief Clock ip name array for CRC. */ |
| #define CRC_CLOCKS \ |
| { \ |
| kCLOCK_Crc0 \ |
| } |
| |
| /*! @brief Clock ip name array for I2C. */ |
| #define I2C_CLOCKS \ |
| { \ |
| kCLOCK_I2c0, kCLOCK_I2c1 \ |
| } |
| |
| /*! @brief Clock ip name array for PDB. */ |
| #define PDB_CLOCKS \ |
| { \ |
| kCLOCK_Pdb0 \ |
| } |
| |
| /*! @brief Clock ip name array for CMP. */ |
| #define CMP_CLOCKS \ |
| { \ |
| kCLOCK_Cmp0, kCLOCK_Cmp1 \ |
| } |
| |
| /*! @brief Clock ip name array for FTF. */ |
| #define FTF_CLOCKS \ |
| { \ |
| kCLOCK_Ftf0 \ |
| } |
| |
| /*! |
| * @brief LPO clock frequency. |
| */ |
| #define LPO_CLK_FREQ 1000U |
| |
| /*! @brief Peripherals clock source definition. */ |
| #define SYS_CLK kCLOCK_CoreSysClk |
| #define BUS_CLK kCLOCK_BusClk |
| #define FAST_CLK kCLOCK_FastPeriphClk |
| |
| #define I2C0_CLK_SRC BUS_CLK |
| #define I2C1_CLK_SRC BUS_CLK |
| #define DSPI0_CLK_SRC BUS_CLK |
| #define DSPI1_CLK_SRC BUS_CLK |
| #define UART0_CLK_SRC SYS_CLK |
| #define UART1_CLK_SRC SYS_CLK |
| #define UART2_CLK_SRC BUS_CLK |
| |
| /*! @brief Clock name used to get clock frequency. */ |
| typedef enum _clock_name |
| { |
| |
| /* ----------------------------- System layer clock -------------------------------*/ |
| kCLOCK_CoreSysClk, /*!< Core/system clock */ |
| kCLOCK_PlatClk, /*!< Platform clock */ |
| kCLOCK_BusClk, /*!< Bus clock */ |
| kCLOCK_FlashClk, /*!< Flash clock */ |
| kCLOCK_PllFllSelClk, /*!< The clock after SIM[PLLFLLSEL]. */ |
| |
| /* ---------------------------------- OSC clock -----------------------------------*/ |
| kCLOCK_Er32kClk, /*!< External reference 32K clock (ERCLK32K) */ |
| kCLOCK_Osc0ErClk, /*!< OSC0 external reference clock (OSC0ERCLK) */ |
| |
| /* ----------------------------- MCG and MCG-Lite clock ---------------------------*/ |
| kCLOCK_McgFixedFreqClk, /*!< MCG fixed frequency clock (MCGFFCLK) */ |
| kCLOCK_McgInternalRefClk, /*!< MCG internal reference clock (MCGIRCLK) */ |
| kCLOCK_McgFllClk, /*!< MCGFLLCLK */ |
| kCLOCK_McgPll0Clk, /*!< MCGPLL0CLK */ |
| kCLOCK_McgPll1Clk, /*!< MCGPLL1CLK */ |
| kCLOCK_McgExtPllClk, /*!< EXT_PLLCLK */ |
| kCLOCK_McgPeriphClk, /*!< MCG peripheral clock (MCGPCLK) */ |
| |
| /* --------------------------------- Other clock ----------------------------------*/ |
| kCLOCK_LpoClk, /*!< LPO clock */ |
| |
| } clock_name_t; |
| |
| /*! @brief USB clock source definition. */ |
| typedef enum _clock_usb_src |
| { |
| kCLOCK_UsbSrcPll0 = SIM_SOPT2_USBSRC(1U) | SIM_SOPT2_PLLFLLSEL(1U), /*!< Use PLL0. */ |
| kCLOCK_UsbSrcExt = SIM_SOPT2_USBSRC(0U) /*!< Use USB_CLKIN. */ |
| } clock_usb_src_t; |
| /*------------------------------------------------------------------------------ |
| |
| clock_gate_t definition: |
| |
| 31 16 0 |
| ----------------------------------------------------------------- |
| | SIM_SCGC register offset | control bit offset in SCGC | |
| ----------------------------------------------------------------- |
| |
| For example, the SDHC clock gate is controlled by SIM_SCGC3[17], the |
| SIM_SCGC3 offset in SIM is 0x1030, then kCLOCK_GateSdhc0 is defined as |
| |
| kCLOCK_GateSdhc0 = (0x1030 << 16) | 17; |
| |
| ------------------------------------------------------------------------------*/ |
| |
| #define CLK_GATE_REG_OFFSET_SHIFT 16U |
| #define CLK_GATE_REG_OFFSET_MASK 0xFFFF0000U |
| #define CLK_GATE_BIT_SHIFT_SHIFT 0U |
| #define CLK_GATE_BIT_SHIFT_MASK 0x0000FFFFU |
| |
| #define CLK_GATE_DEFINE(reg_offset, bit_shift) \ |
| ((((reg_offset) << CLK_GATE_REG_OFFSET_SHIFT) & CLK_GATE_REG_OFFSET_MASK) | \ |
| (((bit_shift) << CLK_GATE_BIT_SHIFT_SHIFT) & CLK_GATE_BIT_SHIFT_MASK)) |
| |
| #define CLK_GATE_ABSTRACT_REG_OFFSET(x) (((x)&CLK_GATE_REG_OFFSET_MASK) >> CLK_GATE_REG_OFFSET_SHIFT) |
| #define CLK_GATE_ABSTRACT_BITS_SHIFT(x) (((x)&CLK_GATE_BIT_SHIFT_MASK) >> CLK_GATE_BIT_SHIFT_SHIFT) |
| |
| /*! @brief Clock gate name used for CLOCK_EnableClock/CLOCK_DisableClock. */ |
| typedef enum _clock_ip_name |
| { |
| kCLOCK_IpInvalid = 0U, |
| |
| kCLOCK_Ewm0 = CLK_GATE_DEFINE(0x1034U, 1U), |
| kCLOCK_Cmt0 = CLK_GATE_DEFINE(0x1034U, 2U), |
| kCLOCK_I2c0 = CLK_GATE_DEFINE(0x1034U, 6U), |
| kCLOCK_I2c1 = CLK_GATE_DEFINE(0x1034U, 7U), |
| kCLOCK_Uart0 = CLK_GATE_DEFINE(0x1034U, 10U), |
| kCLOCK_Uart1 = CLK_GATE_DEFINE(0x1034U, 11U), |
| kCLOCK_Uart2 = CLK_GATE_DEFINE(0x1034U, 12U), |
| kCLOCK_Usbfs0 = CLK_GATE_DEFINE(0x1034U, 18U), |
| kCLOCK_Cmp0 = CLK_GATE_DEFINE(0x1034U, 19U), |
| kCLOCK_Cmp1 = CLK_GATE_DEFINE(0x1034U, 19U), |
| kCLOCK_Vref0 = CLK_GATE_DEFINE(0x1034U, 20U), |
| |
| kCLOCK_Lptmr0 = CLK_GATE_DEFINE(0x1038U, 0U), |
| kCLOCK_PortA = CLK_GATE_DEFINE(0x1038U, 9U), |
| kCLOCK_PortB = CLK_GATE_DEFINE(0x1038U, 10U), |
| kCLOCK_PortC = CLK_GATE_DEFINE(0x1038U, 11U), |
| kCLOCK_PortD = CLK_GATE_DEFINE(0x1038U, 12U), |
| kCLOCK_PortE = CLK_GATE_DEFINE(0x1038U, 13U), |
| |
| kCLOCK_Ftf0 = CLK_GATE_DEFINE(0x103CU, 0U), |
| kCLOCK_Dmamux0 = CLK_GATE_DEFINE(0x103CU, 1U), |
| kCLOCK_Rnga0 = CLK_GATE_DEFINE(0x103CU, 9U), |
| kCLOCK_Spi0 = CLK_GATE_DEFINE(0x103CU, 12U), |
| kCLOCK_Spi1 = CLK_GATE_DEFINE(0x103CU, 13U), |
| kCLOCK_Sai0 = CLK_GATE_DEFINE(0x103CU, 15U), |
| kCLOCK_Crc0 = CLK_GATE_DEFINE(0x103CU, 18U), |
| kCLOCK_Usbdcd0 = CLK_GATE_DEFINE(0x103CU, 21U), |
| kCLOCK_Pdb0 = CLK_GATE_DEFINE(0x103CU, 22U), |
| kCLOCK_Pit0 = CLK_GATE_DEFINE(0x103CU, 23U), |
| kCLOCK_Ftm0 = CLK_GATE_DEFINE(0x103CU, 24U), |
| kCLOCK_Ftm1 = CLK_GATE_DEFINE(0x103CU, 25U), |
| kCLOCK_Ftm2 = CLK_GATE_DEFINE(0x103CU, 26U), |
| kCLOCK_Adc0 = CLK_GATE_DEFINE(0x103CU, 27U), |
| kCLOCK_Rtc0 = CLK_GATE_DEFINE(0x103CU, 29U), |
| kCLOCK_Dac0 = CLK_GATE_DEFINE(0x103CU, 31U), |
| |
| kCLOCK_Dma0 = CLK_GATE_DEFINE(0x1040U, 1U), |
| } clock_ip_name_t; |
| |
| /*!@brief SIM configuration structure for clock setting. */ |
| typedef struct _sim_clock_config |
| { |
| uint8_t pllFllSel; /*!< PLL/FLL/IRC48M selection. */ |
| uint8_t er32kSrc; /*!< ERCLK32K source selection. */ |
| uint32_t clkdiv1; /*!< SIM_CLKDIV1. */ |
| } sim_clock_config_t; |
| |
| /*! @brief OSC work mode. */ |
| typedef enum _osc_mode |
| { |
| kOSC_ModeExt = 0U, /*!< Use an external clock. */ |
| #if (defined(MCG_C2_EREFS_MASK) && !(defined(MCG_C2_EREFS0_MASK))) |
| kOSC_ModeOscLowPower = MCG_C2_EREFS_MASK, /*!< Oscillator low power. */ |
| #else |
| kOSC_ModeOscLowPower = MCG_C2_EREFS0_MASK, /*!< Oscillator low power. */ |
| #endif |
| kOSC_ModeOscHighGain = 0U |
| #if (defined(MCG_C2_EREFS_MASK) && !(defined(MCG_C2_EREFS0_MASK))) |
| | |
| MCG_C2_EREFS_MASK |
| #else |
| | |
| MCG_C2_EREFS0_MASK |
| #endif |
| #if (defined(MCG_C2_HGO_MASK) && !(defined(MCG_C2_HGO0_MASK))) |
| | |
| MCG_C2_HGO_MASK, /*!< Oscillator high gain. */ |
| #else |
| | |
| MCG_C2_HGO0_MASK, /*!< Oscillator high gain. */ |
| #endif |
| } osc_mode_t; |
| |
| /*! @brief Oscillator capacitor load setting.*/ |
| enum _osc_cap_load |
| { |
| kOSC_Cap2P = OSC_CR_SC2P_MASK, /*!< 2 pF capacitor load */ |
| kOSC_Cap4P = OSC_CR_SC4P_MASK, /*!< 4 pF capacitor load */ |
| kOSC_Cap8P = OSC_CR_SC8P_MASK, /*!< 8 pF capacitor load */ |
| kOSC_Cap16P = OSC_CR_SC16P_MASK /*!< 16 pF capacitor load */ |
| }; |
| |
| /*! @brief OSCERCLK enable mode. */ |
| enum _oscer_enable_mode |
| { |
| kOSC_ErClkEnable = OSC_CR_ERCLKEN_MASK, /*!< Enable. */ |
| kOSC_ErClkEnableInStop = OSC_CR_EREFSTEN_MASK /*!< Enable in stop mode. */ |
| }; |
| |
| /*! @brief OSC configuration for OSCERCLK. */ |
| typedef struct _oscer_config |
| { |
| uint8_t enableMode; /*!< OSCERCLK enable mode. OR'ed value of @ref _oscer_enable_mode. */ |
| |
| } oscer_config_t; |
| |
| /*! |
| * @brief OSC Initialization Configuration Structure |
| * |
| * Defines the configuration data structure to initialize the OSC. |
| * When porting to a new board, set the following members |
| * according to the board setting: |
| * 1. freq: The external frequency. |
| * 2. workMode: The OSC module mode. |
| */ |
| typedef struct _osc_config |
| { |
| uint32_t freq; /*!< External clock frequency. */ |
| uint8_t capLoad; /*!< Capacitor load setting. */ |
| osc_mode_t workMode; /*!< OSC work mode setting. */ |
| oscer_config_t oscerConfig; /*!< Configuration for OSCERCLK. */ |
| } osc_config_t; |
| |
| /*! @brief MCG FLL reference clock source select. */ |
| typedef enum _mcg_fll_src |
| { |
| kMCG_FllSrcExternal, /*!< External reference clock is selected */ |
| kMCG_FllSrcInternal /*!< The slow internal reference clock is selected */ |
| } mcg_fll_src_t; |
| |
| /*! @brief MCG internal reference clock select */ |
| typedef enum _mcg_irc_mode |
| { |
| kMCG_IrcSlow, /*!< Slow internal reference clock selected */ |
| kMCG_IrcFast /*!< Fast internal reference clock selected */ |
| } mcg_irc_mode_t; |
| |
| /*! @brief MCG DCO Maximum Frequency with 32.768 kHz Reference */ |
| typedef enum _mcg_dmx32 |
| { |
| kMCG_Dmx32Default, /*!< DCO has a default range of 25% */ |
| kMCG_Dmx32Fine /*!< DCO is fine-tuned for maximum frequency with 32.768 kHz reference */ |
| } mcg_dmx32_t; |
| |
| /*! @brief MCG DCO range select */ |
| typedef enum _mcg_drs |
| { |
| kMCG_DrsLow, /*!< Low frequency range */ |
| kMCG_DrsMid, /*!< Mid frequency range */ |
| kMCG_DrsMidHigh, /*!< Mid-High frequency range */ |
| kMCG_DrsHigh /*!< High frequency range */ |
| } mcg_drs_t; |
| |
| /*! @brief MCG PLL reference clock select */ |
| typedef enum _mcg_pll_ref_src |
| { |
| kMCG_PllRefOsc0, /*!< Selects OSC0 as PLL reference clock */ |
| kMCG_PllRefOsc1 /*!< Selects OSC1 as PLL reference clock */ |
| } mcg_pll_ref_src_t; |
| |
| /*! @brief MCGOUT clock source. */ |
| typedef enum _mcg_clkout_src |
| { |
| kMCG_ClkOutSrcOut, /*!< Output of the FLL is selected (reset default) */ |
| kMCG_ClkOutSrcInternal, /*!< Internal reference clock is selected */ |
| kMCG_ClkOutSrcExternal, /*!< External reference clock is selected */ |
| } mcg_clkout_src_t; |
| |
| /*! @brief MCG Automatic Trim Machine Select */ |
| typedef enum _mcg_atm_select |
| { |
| kMCG_AtmSel32k, /*!< 32 kHz Internal Reference Clock selected */ |
| kMCG_AtmSel4m /*!< 4 MHz Internal Reference Clock selected */ |
| } mcg_atm_select_t; |
| |
| /*! @brief MCG OSC Clock Select */ |
| typedef enum _mcg_oscsel |
| { |
| kMCG_OscselOsc, /*!< Selects System Oscillator (OSCCLK) */ |
| kMCG_OscselRtc, /*!< Selects 32 kHz RTC Oscillator */ |
| } mcg_oscsel_t; |
| |
| /*! @brief MCG PLLCS select */ |
| typedef enum _mcg_pll_clk_select |
| { |
| kMCG_PllClkSelPll0, /*!< PLL0 output clock is selected */ |
| kMCG_PllClkSelPll1 /* PLL1 output clock is selected */ |
| } mcg_pll_clk_select_t; |
| |
| /*! @brief MCG clock monitor mode. */ |
| typedef enum _mcg_monitor_mode |
| { |
| kMCG_MonitorNone, /*!< Clock monitor is disabled. */ |
| kMCG_MonitorInt, /*!< Trigger interrupt when clock lost. */ |
| kMCG_MonitorReset /*!< System reset when clock lost. */ |
| } mcg_monitor_mode_t; |
| |
| /*! @brief MCG status. */ |
| enum _mcg_status |
| { |
| kStatus_MCG_ModeUnreachable = MAKE_STATUS(kStatusGroup_MCG, 0), /*!< Can't switch to target mode. */ |
| kStatus_MCG_ModeInvalid = MAKE_STATUS(kStatusGroup_MCG, 1), /*!< Current mode invalid for the specific |
| function. */ |
| kStatus_MCG_AtmBusClockInvalid = MAKE_STATUS(kStatusGroup_MCG, 2), /*!< Invalid bus clock for ATM. */ |
| kStatus_MCG_AtmDesiredFreqInvalid = MAKE_STATUS(kStatusGroup_MCG, 3), /*!< Invalid desired frequency for ATM. */ |
| kStatus_MCG_AtmIrcUsed = MAKE_STATUS(kStatusGroup_MCG, 4), /*!< IRC is used when using ATM. */ |
| kStatus_MCG_AtmHardwareFail = MAKE_STATUS(kStatusGroup_MCG, 5), /*!< Hardware fail occurs during ATM. */ |
| kStatus_MCG_SourceUsed = MAKE_STATUS(kStatusGroup_MCG, 6) /*!< Can't change the clock source because |
| it is in use. */ |
| }; |
| |
| /*! @brief MCG status flags. */ |
| enum _mcg_status_flags_t |
| { |
| kMCG_Osc0LostFlag = (1U << 0U), /*!< OSC0 lost. */ |
| kMCG_Osc0InitFlag = (1U << 1U), /*!< OSC0 crystal initialized. */ |
| kMCG_RtcOscLostFlag = (1U << 4U), /*!< RTC OSC lost. */ |
| kMCG_Pll0LostFlag = (1U << 5U), /*!< PLL0 lost. */ |
| kMCG_Pll0LockFlag = (1U << 6U), /*!< PLL0 locked. */ |
| }; |
| |
| /*! @brief MCG internal reference clock (MCGIRCLK) enable mode definition. */ |
| enum _mcg_irclk_enable_mode |
| { |
| kMCG_IrclkEnable = MCG_C1_IRCLKEN_MASK, /*!< MCGIRCLK enable. */ |
| kMCG_IrclkEnableInStop = MCG_C1_IREFSTEN_MASK /*!< MCGIRCLK enable in stop mode. */ |
| }; |
| |
| /*! @brief MCG PLL clock enable mode definition. */ |
| enum _mcg_pll_enable_mode |
| { |
| kMCG_PllEnableIndependent = MCG_C5_PLLCLKEN0_MASK, /*!< MCGPLLCLK enable independent of the |
| MCG clock mode. Generally, the PLL |
| is disabled in FLL modes |
| (FEI/FBI/FEE/FBE). Setting the PLL clock |
| enable independent, enables the |
| PLL in the FLL modes. */ |
| kMCG_PllEnableInStop = MCG_C5_PLLSTEN0_MASK /*!< MCGPLLCLK enable in STOP mode. */ |
| }; |
| |
| /*! @brief MCG mode definitions */ |
| typedef enum _mcg_mode |
| { |
| kMCG_ModeFEI = 0U, /*!< FEI - FLL Engaged Internal */ |
| kMCG_ModeFBI, /*!< FBI - FLL Bypassed Internal */ |
| kMCG_ModeBLPI, /*!< BLPI - Bypassed Low Power Internal */ |
| kMCG_ModeFEE, /*!< FEE - FLL Engaged External */ |
| kMCG_ModeFBE, /*!< FBE - FLL Bypassed External */ |
| kMCG_ModeBLPE, /*!< BLPE - Bypassed Low Power External */ |
| kMCG_ModePBE, /*!< PBE - PLL Bypassed External */ |
| kMCG_ModePEE, /*!< PEE - PLL Engaged External */ |
| kMCG_ModeError /*!< Unknown mode */ |
| } mcg_mode_t; |
| |
| /*! @brief MCG PLL configuration. */ |
| typedef struct _mcg_pll_config |
| { |
| uint8_t enableMode; /*!< Enable mode. OR'ed value of @ref _mcg_pll_enable_mode. */ |
| uint8_t prdiv; /*!< Reference divider PRDIV. */ |
| uint8_t vdiv; /*!< VCO divider VDIV. */ |
| } mcg_pll_config_t; |
| |
| /*! @brief MCG mode change configuration structure |
| * |
| * When porting to a new board, set the following members |
| * according to the board setting: |
| * 1. frdiv: If the FLL uses the external reference clock, set this |
| * value to ensure that the external reference clock divided by frdiv is |
| * in the 31.25 kHz to 39.0625 kHz range. |
| * 2. The PLL reference clock divider PRDIV: PLL reference clock frequency after |
| * PRDIV should be in the FSL_FEATURE_MCG_PLL_REF_MIN to |
| * FSL_FEATURE_MCG_PLL_REF_MAX range. |
| */ |
| typedef struct _mcg_config |
| { |
| mcg_mode_t mcgMode; /*!< MCG mode. */ |
| |
| /* ----------------------- MCGIRCCLK settings ------------------------ */ |
| uint8_t irclkEnableMode; /*!< MCGIRCLK enable mode. */ |
| mcg_irc_mode_t ircs; /*!< Source, MCG_C2[IRCS]. */ |
| uint8_t fcrdiv; /*!< Divider, MCG_SC[FCRDIV]. */ |
| |
| /* ------------------------ MCG FLL settings ------------------------- */ |
| uint8_t frdiv; /*!< Divider MCG_C1[FRDIV]. */ |
| mcg_drs_t drs; /*!< DCO range MCG_C4[DRST_DRS]. */ |
| mcg_dmx32_t dmx32; /*!< MCG_C4[DMX32]. */ |
| mcg_oscsel_t oscsel; /*!< OSC select MCG_C7[OSCSEL]. */ |
| |
| /* ------------------------ MCG PLL settings ------------------------- */ |
| mcg_pll_config_t pll0Config; /*!< MCGPLL0CLK configuration. */ |
| |
| } mcg_config_t; |
| |
| /******************************************************************************* |
| * API |
| ******************************************************************************/ |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| /*! |
| * @brief Enable the clock for specific IP. |
| * |
| * @param name Which clock to enable, see \ref clock_ip_name_t. |
| */ |
| static inline void CLOCK_EnableClock(clock_ip_name_t name) |
| { |
| uint32_t regAddr = SIM_BASE + CLK_GATE_ABSTRACT_REG_OFFSET((uint32_t)name); |
| (*(volatile uint32_t *)regAddr) |= (1U << CLK_GATE_ABSTRACT_BITS_SHIFT((uint32_t)name)); |
| } |
| |
| /*! |
| * @brief Disable the clock for specific IP. |
| * |
| * @param name Which clock to disable, see \ref clock_ip_name_t. |
| */ |
| static inline void CLOCK_DisableClock(clock_ip_name_t name) |
| { |
| uint32_t regAddr = SIM_BASE + CLK_GATE_ABSTRACT_REG_OFFSET((uint32_t)name); |
| (*(volatile uint32_t *)regAddr) &= ~(1U << CLK_GATE_ABSTRACT_BITS_SHIFT((uint32_t)name)); |
| } |
| |
| /*! |
| * @brief Set ERCLK32K source. |
| * |
| * @param src The value to set ERCLK32K clock source. |
| */ |
| static inline void CLOCK_SetEr32kClock(uint32_t src) |
| { |
| SIM->SOPT1 = ((SIM->SOPT1 & ~SIM_SOPT1_OSC32KSEL_MASK) | SIM_SOPT1_OSC32KSEL(src)); |
| } |
| |
| /*! |
| * @brief Set debug trace clock source. |
| * |
| * @param src The value to set debug trace clock source. |
| */ |
| static inline void CLOCK_SetTraceClock(uint32_t src) |
| { |
| SIM->SOPT2 = ((SIM->SOPT2 & ~SIM_SOPT2_TRACECLKSEL_MASK) | SIM_SOPT2_TRACECLKSEL(src)); |
| } |
| |
| /*! |
| * @brief Set PLLFLLSEL clock source. |
| * |
| * @param src The value to set PLLFLLSEL clock source. |
| */ |
| static inline void CLOCK_SetPllFllSelClock(uint32_t src) |
| { |
| SIM->SOPT2 = ((SIM->SOPT2 & ~SIM_SOPT2_PLLFLLSEL_MASK) | SIM_SOPT2_PLLFLLSEL(src)); |
| } |
| |
| /*! |
| * @brief Set CLKOUT source. |
| * |
| * @param src The value to set CLKOUT source. |
| */ |
| static inline void CLOCK_SetClkOutClock(uint32_t src) |
| { |
| SIM->SOPT2 = ((SIM->SOPT2 & ~SIM_SOPT2_CLKOUTSEL_MASK) | SIM_SOPT2_CLKOUTSEL(src)); |
| } |
| |
| /*! |
| * @brief Set RTC_CLKOUT source. |
| * |
| * @param src The value to set RTC_CLKOUT source. |
| */ |
| static inline void CLOCK_SetRtcClkOutClock(uint32_t src) |
| { |
| SIM->SOPT2 = ((SIM->SOPT2 & ~SIM_SOPT2_RTCCLKOUTSEL_MASK) | SIM_SOPT2_RTCCLKOUTSEL(src)); |
| } |
| |
| /*! @brief Enable USB FS clock. |
| * |
| * @param src USB FS clock source. |
| * @param freq The frequency specified by src. |
| * @retval true The clock is set successfully. |
| * @retval false The clock source is invalid to get proper USB FS clock. |
| */ |
| bool CLOCK_EnableUsbfs0Clock(clock_usb_src_t src, uint32_t freq); |
| |
| /*! @brief Disable USB FS clock. |
| * |
| * Disable USB FS clock. |
| */ |
| static inline void CLOCK_DisableUsbfs0Clock(void) |
| { |
| CLOCK_DisableClock(kCLOCK_Usbfs0); |
| } |
| |
| /*! |
| * @brief System clock divider |
| * |
| * Set the SIM_CLKDIV1[OUTDIV1], SIM_CLKDIV1[OUTDIV2], SIM_CLKDIV1[OUTDIV4]. |
| * |
| * @param outdiv1 Clock 1 output divider value. |
| * |
| * @param outdiv2 Clock 2 output divider value. |
| * |
| * @param outdiv4 Clock 4 output divider value. |
| */ |
| static inline void CLOCK_SetOutDiv(uint32_t outdiv1, uint32_t outdiv2, uint32_t outdiv4) |
| { |
| SIM->CLKDIV1 = SIM_CLKDIV1_OUTDIV1(outdiv1) | SIM_CLKDIV1_OUTDIV2(outdiv2) | SIM_CLKDIV1_OUTDIV4(outdiv4); |
| } |
| |
| /*! |
| * @brief Gets the clock frequency for a specific clock name. |
| * |
| * This function checks the current clock configurations and then calculates |
| * the clock frequency for a specific clock name defined in clock_name_t. |
| * The MCG must be properly configured before using this function. |
| * |
| * @param clockName Clock names defined in clock_name_t |
| * @return Clock frequency value in Hertz |
| */ |
| uint32_t CLOCK_GetFreq(clock_name_t clockName); |
| |
| /*! |
| * @brief Get the core clock or system clock frequency. |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetCoreSysClkFreq(void); |
| |
| /*! |
| * @brief Get the platform clock frequency. |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetPlatClkFreq(void); |
| |
| /*! |
| * @brief Get the bus clock frequency. |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetBusClkFreq(void); |
| |
| /*! |
| * @brief Get the flash clock frequency. |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetFlashClkFreq(void); |
| |
| /*! |
| * @brief Get the output clock frequency selected by SIM[PLLFLLSEL]. |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetPllFllSelClkFreq(void); |
| |
| /*! |
| * @brief Get the external reference 32K clock frequency (ERCLK32K). |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetEr32kClkFreq(void); |
| |
| /*! |
| * @brief Get the OSC0 external reference clock frequency (OSC0ERCLK). |
| * |
| * @return Clock frequency in Hz. |
| */ |
| uint32_t CLOCK_GetOsc0ErClkFreq(void); |
| |
| /*! |
| * @brief Set the clock configure in SIM module. |
| * |
| * This function sets system layer clock settings in SIM module. |
| * |
| * @param config Pointer to the configure structure. |
| */ |
| void CLOCK_SetSimConfig(sim_clock_config_t const *config); |
| |
| /*! |
| * @brief Set the system clock dividers in SIM to safe value. |
| * |
| * The system level clocks (core clock, bus clock, flexbus clock and flash clock) |
| * must be in allowed ranges. During MCG clock mode switch, the MCG output clock |
| * changes then the system level clocks may be out of range. This function could |
| * be used before MCG mode change, to make sure system level clocks are in allowed |
| * range. |
| * |
| * @param config Pointer to the configure structure. |
| */ |
| static inline void CLOCK_SetSimSafeDivs(void) |
| { |
| SIM->CLKDIV1 = 0x00010000U; |
| } |
| |
| /*! @name MCG frequency functions. */ |
| /*@{*/ |
| |
| /*! |
| * @brief Gets the MCG output clock (MCGOUTCLK) frequency. |
| * |
| * This function gets the MCG output clock frequency in Hz based on the current MCG |
| * register value. |
| * |
| * @return The frequency of MCGOUTCLK. |
| */ |
| uint32_t CLOCK_GetOutClkFreq(void); |
| |
| /*! |
| * @brief Gets the MCG FLL clock (MCGFLLCLK) frequency. |
| * |
| * This function gets the MCG FLL clock frequency in Hz based on the current MCG |
| * register value. The FLL is enabled in FEI/FBI/FEE/FBE mode and |
| * disabled in low power state in other modes. |
| * |
| * @return The frequency of MCGFLLCLK. |
| */ |
| uint32_t CLOCK_GetFllFreq(void); |
| |
| /*! |
| * @brief Gets the MCG internal reference clock (MCGIRCLK) frequency. |
| * |
| * This function gets the MCG internal reference clock frequency in Hz based |
| * on the current MCG register value. |
| * |
| * @return The frequency of MCGIRCLK. |
| */ |
| uint32_t CLOCK_GetInternalRefClkFreq(void); |
| |
| /*! |
| * @brief Gets the MCG fixed frequency clock (MCGFFCLK) frequency. |
| * |
| * This function gets the MCG fixed frequency clock frequency in Hz based |
| * on the current MCG register value. |
| * |
| * @return The frequency of MCGFFCLK. |
| */ |
| uint32_t CLOCK_GetFixedFreqClkFreq(void); |
| |
| /*! |
| * @brief Gets the MCG PLL0 clock (MCGPLL0CLK) frequency. |
| * |
| * This function gets the MCG PLL0 clock frequency in Hz based on the current MCG |
| * register value. |
| * |
| * @return The frequency of MCGPLL0CLK. |
| */ |
| uint32_t CLOCK_GetPll0Freq(void); |
| |
| /*@}*/ |
| |
| /*! @name MCG clock configuration. */ |
| /*@{*/ |
| |
| /*! |
| * @brief Enables or disables the MCG low power. |
| * |
| * Enabling the MCG low power disables the PLL and FLL in bypass modes. In other words, |
| * in FBE and PBE modes, enabling low power sets the MCG to BLPE mode. In FBI and |
| * PBI modes, enabling low power sets the MCG to BLPI mode. |
| * When disabling the MCG low power, the PLL or FLL are enabled based on MCG settings. |
| * |
| * @param enable True to enable MCG low power, false to disable MCG low power. |
| */ |
| static inline void CLOCK_SetLowPowerEnable(bool enable) |
| { |
| if (enable) |
| { |
| MCG->C2 |= MCG_C2_LP_MASK; |
| } |
| else |
| { |
| MCG->C2 &= ~MCG_C2_LP_MASK; |
| } |
| } |
| |
| /*! |
| * @brief Configures the Internal Reference clock (MCGIRCLK). |
| * |
| * This function sets the \c MCGIRCLK base on parameters. It also selects the IRC |
| * source. If the fast IRC is used, this function sets the fast IRC divider. |
| * This function also sets whether the \c MCGIRCLK is enabled in stop mode. |
| * Calling this function in FBI/PBI/BLPI modes may change the system clock. As a result, |
| * using the function in these modes it is not allowed. |
| * |
| * @param enableMode MCGIRCLK enable mode, OR'ed value of @ref _mcg_irclk_enable_mode. |
| * @param ircs MCGIRCLK clock source, choose fast or slow. |
| * @param fcrdiv Fast IRC divider setting (\c FCRDIV). |
| * @retval kStatus_MCG_SourceUsed Because the internall reference clock is used as a clock source, |
| * the confuration should not be changed. Otherwise, a glitch occurs. |
| * @retval kStatus_Success MCGIRCLK configuration finished successfully. |
| */ |
| status_t CLOCK_SetInternalRefClkConfig(uint8_t enableMode, mcg_irc_mode_t ircs, uint8_t fcrdiv); |
| |
| /*! |
| * @brief Selects the MCG external reference clock. |
| * |
| * Selects the MCG external reference clock source, changes the MCG_C7[OSCSEL], |
| * and waits for the clock source to be stable. Because the external reference |
| * clock should not be changed in FEE/FBE/BLPE/PBE/PEE modes, do not call this function in these modes. |
| * |
| * @param oscsel MCG external reference clock source, MCG_C7[OSCSEL]. |
| * @retval kStatus_MCG_SourceUsed Because the external reference clock is used as a clock source, |
| * the confuration should not be changed. Otherwise, a glitch occurs. |
| * @retval kStatus_Success External reference clock set successfully. |
| */ |
| status_t CLOCK_SetExternalRefClkConfig(mcg_oscsel_t oscsel); |
| |
| /*! |
| * @brief Set the FLL external reference clock divider value. |
| * |
| * Sets the FLL external reference clock divider value, the register MCG_C1[FRDIV]. |
| * |
| * @param frdiv The FLL external reference clock divider value, MCG_C1[FRDIV]. |
| */ |
| static inline void CLOCK_SetFllExtRefDiv(uint8_t frdiv) |
| { |
| MCG->C1 = (MCG->C1 & ~MCG_C1_FRDIV_MASK) | MCG_C1_FRDIV(frdiv); |
| } |
| |
| /*! |
| * @brief Enables the PLL0 in FLL mode. |
| * |
| * This function sets us the PLL0 in FLL mode and reconfigures |
| * the PLL0. Ensure that the PLL reference |
| * clock is enabled before calling this function and that the PLL0 is not used as a clock source. |
| * The function CLOCK_CalcPllDiv gets the correct PLL |
| * divider values. |
| * |
| * @param config Pointer to the configuration structure. |
| */ |
| void CLOCK_EnablePll0(mcg_pll_config_t const *config); |
| |
| /*! |
| * @brief Disables the PLL0 in FLL mode. |
| * |
| * This function disables the PLL0 in FLL mode. It should be used together with the |
| * @ref CLOCK_EnablePll0. |
| */ |
| static inline void CLOCK_DisablePll0(void) |
| { |
| MCG->C5 &= ~(MCG_C5_PLLCLKEN0_MASK | MCG_C5_PLLSTEN0_MASK); |
| } |
| |
| /*! |
| * @brief Calculates the PLL divider setting for a desired output frequency. |
| * |
| * This function calculates the correct reference clock divider (\c PRDIV) and |
| * VCO divider (\c VDIV) to generate a desired PLL output frequency. It returns the |
| * closest frequency match with the corresponding \c PRDIV/VDIV |
| * returned from parameters. If a desired frequency is not valid, this function |
| * returns 0. |
| * |
| * @param refFreq PLL reference clock frequency. |
| * @param desireFreq Desired PLL output frequency. |
| * @param prdiv PRDIV value to generate desired PLL frequency. |
| * @param vdiv VDIV value to generate desired PLL frequency. |
| * @return Closest frequency match that the PLL was able generate. |
| */ |
| uint32_t CLOCK_CalcPllDiv(uint32_t refFreq, uint32_t desireFreq, uint8_t *prdiv, uint8_t *vdiv); |
| |
| /*@}*/ |
| |
| /*! @name MCG clock lock monitor functions. */ |
| /*@{*/ |
| |
| /*! |
| * @brief Sets the OSC0 clock monitor mode. |
| * |
| * This function sets the OSC0 clock monitor mode. See @ref mcg_monitor_mode_t for details. |
| * |
| * @param mode Monitor mode to set. |
| */ |
| void CLOCK_SetOsc0MonitorMode(mcg_monitor_mode_t mode); |
| |
| /*! |
| * @brief Sets the RTC OSC clock monitor mode. |
| * |
| * This function sets the RTC OSC clock monitor mode. See @ref mcg_monitor_mode_t for details. |
| * |
| * @param mode Monitor mode to set. |
| */ |
| void CLOCK_SetRtcOscMonitorMode(mcg_monitor_mode_t mode); |
| |
| /*! |
| * @brief Sets the PLL0 clock monitor mode. |
| * |
| * This function sets the PLL0 clock monitor mode. See @ref mcg_monitor_mode_t for details. |
| * |
| * @param mode Monitor mode to set. |
| */ |
| void CLOCK_SetPll0MonitorMode(mcg_monitor_mode_t mode); |
| |
| /*! |
| * @brief Gets the MCG status flags. |
| * |
| * This function gets the MCG clock status flags. All status flags are |
| * returned as a logical OR of the enumeration @ref _mcg_status_flags_t. To |
| * check a specific flag, compare the return value with the flag. |
| * |
| * Example: |
| * @code |
| // To check the clock lost lock status of OSC0 and PLL0. |
| uint32_t mcgFlags; |
| |
| mcgFlags = CLOCK_GetStatusFlags(); |
| |
| if (mcgFlags & kMCG_Osc0LostFlag) |
| { |
| // OSC0 clock lock lost. Do something. |
| } |
| if (mcgFlags & kMCG_Pll0LostFlag) |
| { |
| // PLL0 clock lock lost. Do something. |
| } |
| @endcode |
| * |
| * @return Logical OR value of the @ref _mcg_status_flags_t. |
| */ |
| uint32_t CLOCK_GetStatusFlags(void); |
| |
| /*! |
| * @brief Clears the MCG status flags. |
| * |
| * This function clears the MCG clock lock lost status. The parameter is a logical |
| * OR value of the flags to clear. See @ref _mcg_status_flags_t. |
| * |
| * Example: |
| * @code |
| // To clear the clock lost lock status flags of OSC0 and PLL0. |
| |
| CLOCK_ClearStatusFlags(kMCG_Osc0LostFlag | kMCG_Pll0LostFlag); |
| @endcode |
| * |
| * @param mask The status flags to clear. This is a logical OR of members of the |
| * enumeration @ref _mcg_status_flags_t. |
| */ |
| void CLOCK_ClearStatusFlags(uint32_t mask); |
| |
| /*@}*/ |
| |
| /*! |
| * @name OSC configuration |
| * @{ |
| */ |
| |
| /*! |
| * @brief Configures the OSC external reference clock (OSCERCLK). |
| * |
| * This function configures the OSC external reference clock (OSCERCLK). |
| * This is an example to enable the OSCERCLK in normal and stop modes and also set |
| * the output divider to 1: |
| * |
| @code |
| oscer_config_t config = |
| { |
| .enableMode = kOSC_ErClkEnable | kOSC_ErClkEnableInStop, |
| .erclkDiv = 1U, |
| }; |
| |
| OSC_SetExtRefClkConfig(OSC, &config); |
| @endcode |
| * |
| * @param base OSC peripheral address. |
| * @param config Pointer to the configuration structure. |
| */ |
| static inline void OSC_SetExtRefClkConfig(OSC_Type *base, oscer_config_t const *config) |
| { |
| uint8_t reg = base->CR; |
| |
| reg &= ~(OSC_CR_ERCLKEN_MASK | OSC_CR_EREFSTEN_MASK); |
| reg |= config->enableMode; |
| |
| base->CR = reg; |
| } |
| |
| /*! |
| * @brief Sets the capacitor load configuration for the oscillator. |
| * |
| * This function sets the specified capacitors configuration for the oscillator. |
| * This should be done in the early system level initialization function call |
| * based on the system configuration. |
| * |
| * @param base OSC peripheral address. |
| * @param capLoad OR'ed value for the capacitor load option, see \ref _osc_cap_load. |
| * |
| * Example: |
| @code |
| // To enable only 2 pF and 8 pF capacitor load, please use like this. |
| OSC_SetCapLoad(OSC, kOSC_Cap2P | kOSC_Cap8P); |
| @endcode |
| */ |
| static inline void OSC_SetCapLoad(OSC_Type *base, uint8_t capLoad) |
| { |
| uint8_t reg = base->CR; |
| |
| reg &= ~(OSC_CR_SC2P_MASK | OSC_CR_SC4P_MASK | OSC_CR_SC8P_MASK | OSC_CR_SC16P_MASK); |
| reg |= capLoad; |
| |
| base->CR = reg; |
| } |
| |
| /*! |
| * @brief Initializes the OSC0. |
| * |
| * This function initializes the OSC0 according to the board configuration. |
| * |
| * @param config Pointer to the OSC0 configuration structure. |
| */ |
| void CLOCK_InitOsc0(osc_config_t const *config); |
| |
| /*! |
| * @brief Deinitializes the OSC0. |
| * |
| * This function deinitializes the OSC0. |
| */ |
| void CLOCK_DeinitOsc0(void); |
| |
| /* @} */ |
| |
| /*! |
| * @name External clock frequency |
| * @{ |
| */ |
| |
| /*! |
| * @brief Sets the XTAL0 frequency based on board settings. |
| * |
| * @param freq The XTAL0/EXTAL0 input clock frequency in Hz. |
| */ |
| static inline void CLOCK_SetXtal0Freq(uint32_t freq) |
| { |
| g_xtal0Freq = freq; |
| } |
| |
| /*! |
| * @brief Sets the XTAL32/RTC_CLKIN frequency based on board settings. |
| * |
| * @param freq The XTAL32/EXTAL32/RTC_CLKIN input clock frequency in Hz. |
| */ |
| static inline void CLOCK_SetXtal32Freq(uint32_t freq) |
| { |
| g_xtal32Freq = freq; |
| } |
| /* @} */ |
| |
| /*! |
| * @name MCG auto-trim machine. |
| * @{ |
| */ |
| |
| /*! |
| * @brief Auto trims the internal reference clock. |
| * |
| * This function trims the internal reference clock by using the external clock. If |
| * successful, it returns the kStatus_Success and the frequency after |
| * trimming is received in the parameter @p actualFreq. If an error occurs, |
| * the error code is returned. |
| * |
| * @param extFreq External clock frequency, which should be a bus clock. |
| * @param desireFreq Frequency to trim to. |
| * @param actualFreq Actual frequency after trimming. |
| * @param atms Trim fast or slow internal reference clock. |
| * @retval kStatus_Success ATM success. |
| * @retval kStatus_MCG_AtmBusClockInvalid The bus clock is not in allowed range for the ATM. |
| * @retval kStatus_MCG_AtmDesiredFreqInvalid MCGIRCLK could not be trimmed to the desired frequency. |
| * @retval kStatus_MCG_AtmIrcUsed Could not trim because MCGIRCLK is used as a bus clock source. |
| * @retval kStatus_MCG_AtmHardwareFail Hardware fails while trimming. |
| */ |
| status_t CLOCK_TrimInternalRefClk(uint32_t extFreq, uint32_t desireFreq, uint32_t *actualFreq, mcg_atm_select_t atms); |
| /* @} */ |
| |
| /*! @name MCG mode functions. */ |
| /*@{*/ |
| |
| /*! |
| * @brief Gets the current MCG mode. |
| * |
| * This function checks the MCG registers and determines the current MCG mode. |
| * |
| * @return Current MCG mode or error code; See @ref mcg_mode_t. |
| */ |
| mcg_mode_t CLOCK_GetMode(void); |
| |
| /*! |
| * @brief Sets the MCG to FEI mode. |
| * |
| * This function sets the MCG to FEI mode. If setting to FEI mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @param dmx32 DMX32 in FEI mode. |
| * @param drs The DCO range selection. |
| * @param fllStableDelay Delay function to ensure that the FLL is stable. Passing |
| * NULL does not cause a delay. |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| * @note If @p dmx32 is set to kMCG_Dmx32Fine, the slow IRC must not be trimmed |
| * to a frequency above 32768 Hz. |
| */ |
| status_t CLOCK_SetFeiMode(mcg_dmx32_t dmx32, mcg_drs_t drs, void (*fllStableDelay)(void)); |
| |
| /*! |
| * @brief Sets the MCG to FEE mode. |
| * |
| * This function sets the MCG to FEE mode. If setting to FEE mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @param frdiv FLL reference clock divider setting, FRDIV. |
| * @param dmx32 DMX32 in FEE mode. |
| * @param drs The DCO range selection. |
| * @param fllStableDelay Delay function to make sure FLL is stable. Passing |
| * NULL does not cause a delay. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_SetFeeMode(uint8_t frdiv, mcg_dmx32_t dmx32, mcg_drs_t drs, void (*fllStableDelay)(void)); |
| |
| /*! |
| * @brief Sets the MCG to FBI mode. |
| * |
| * This function sets the MCG to FBI mode. If setting to FBI mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @param dmx32 DMX32 in FBI mode. |
| * @param drs The DCO range selection. |
| * @param fllStableDelay Delay function to make sure FLL is stable. If the FLL |
| * is not used in FBI mode, this parameter can be NULL. Passing |
| * NULL does not cause a delay. |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| * @note If @p dmx32 is set to kMCG_Dmx32Fine, the slow IRC must not be trimmed |
| * to frequency above 32768 Hz. |
| */ |
| status_t CLOCK_SetFbiMode(mcg_dmx32_t dmx32, mcg_drs_t drs, void (*fllStableDelay)(void)); |
| |
| /*! |
| * @brief Sets the MCG to FBE mode. |
| * |
| * This function sets the MCG to FBE mode. If setting to FBE mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @param frdiv FLL reference clock divider setting, FRDIV. |
| * @param dmx32 DMX32 in FBE mode. |
| * @param drs The DCO range selection. |
| * @param fllStableDelay Delay function to make sure FLL is stable. If the FLL |
| * is not used in FBE mode, this parameter can be NULL. Passing NULL |
| * does not cause a delay. |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_SetFbeMode(uint8_t frdiv, mcg_dmx32_t dmx32, mcg_drs_t drs, void (*fllStableDelay)(void)); |
| |
| /*! |
| * @brief Sets the MCG to BLPI mode. |
| * |
| * This function sets the MCG to BLPI mode. If setting to BLPI mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_SetBlpiMode(void); |
| |
| /*! |
| * @brief Sets the MCG to BLPE mode. |
| * |
| * This function sets the MCG to BLPE mode. If setting to BLPE mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_SetBlpeMode(void); |
| |
| /*! |
| * @brief Sets the MCG to PBE mode. |
| * |
| * This function sets the MCG to PBE mode. If setting to PBE mode fails |
| * from the current mode, this function returns an error. |
| * |
| * @param pllcs The PLL selection, PLLCS. |
| * @param config Pointer to the PLL configuration. |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| * |
| * @note |
| * 1. The parameter \c pllcs selects the PLL. For platforms with |
| * only one PLL, the parameter pllcs is kept for interface compatibility. |
| * 2. The parameter \c config is the PLL configuration structure. On some |
| * platforms, it is possible to choose the external PLL directly, which renders the |
| * configuration structure not necessary. In this case, pass in NULL. |
| * For example: CLOCK_SetPbeMode(kMCG_OscselOsc, kMCG_PllClkSelExtPll, NULL); |
| */ |
| status_t CLOCK_SetPbeMode(mcg_pll_clk_select_t pllcs, mcg_pll_config_t const *config); |
| |
| /*! |
| * @brief Sets the MCG to PEE mode. |
| * |
| * This function sets the MCG to PEE mode. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| * |
| * @note This function only changes the CLKS to use the PLL/FLL output. If the |
| * PRDIV/VDIV are different than in the PBE mode, set them up |
| * in PBE mode and wait. When the clock is stable, switch to PEE mode. |
| */ |
| status_t CLOCK_SetPeeMode(void); |
| |
| /*! |
| * @brief Switches the MCG to FBE mode from the external mode. |
| * |
| * This function switches the MCG from external modes (PEE/PBE/BLPE/FEE) to the FBE mode quickly. |
| * The external clock is used as the system clock souce and PLL is disabled. However, |
| * the FLL settings are not configured. This is a lite function with a small code size, which is useful |
| * during the mode switch. For example, to switch from PEE mode to FEI mode: |
| * |
| * @code |
| * CLOCK_ExternalModeToFbeModeQuick(); |
| * CLOCK_SetFeiMode(...); |
| * @endcode |
| * |
| * @retval kStatus_Success Switched successfully. |
| * @retval kStatus_MCG_ModeInvalid If the current mode is not an external mode, do not call this function. |
| */ |
| status_t CLOCK_ExternalModeToFbeModeQuick(void); |
| |
| /*! |
| * @brief Switches the MCG to FBI mode from internal modes. |
| * |
| * This function switches the MCG from internal modes (PEI/PBI/BLPI/FEI) to the FBI mode quickly. |
| * The MCGIRCLK is used as the system clock souce and PLL is disabled. However, |
| * FLL settings are not configured. This is a lite function with a small code size, which is useful |
| * during the mode switch. For example, to switch from PEI mode to FEE mode: |
| * |
| * @code |
| * CLOCK_InternalModeToFbiModeQuick(); |
| * CLOCK_SetFeeMode(...); |
| * @endcode |
| * |
| * @retval kStatus_Success Switched successfully. |
| * @retval kStatus_MCG_ModeInvalid If the current mode is not an internal mode, do not call this function. |
| */ |
| status_t CLOCK_InternalModeToFbiModeQuick(void); |
| |
| /*! |
| * @brief Sets the MCG to FEI mode during system boot up. |
| * |
| * This function sets the MCG to FEI mode from the reset mode. It can also be used to |
| * set up MCG during system boot up. |
| * |
| * @param dmx32 DMX32 in FEI mode. |
| * @param drs The DCO range selection. |
| * @param fllStableDelay Delay function to ensure that the FLL is stable. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| * @note If @p dmx32 is set to kMCG_Dmx32Fine, the slow IRC must not be trimmed |
| * to frequency above 32768 Hz. |
| */ |
| status_t CLOCK_BootToFeiMode(mcg_dmx32_t dmx32, mcg_drs_t drs, void (*fllStableDelay)(void)); |
| |
| /*! |
| * @brief Sets the MCG to FEE mode during system bootup. |
| * |
| * This function sets MCG to FEE mode from the reset mode. It can also be used to |
| * set up the MCG during system boot up. |
| * |
| * @param oscsel OSC clock select, OSCSEL. |
| * @param frdiv FLL reference clock divider setting, FRDIV. |
| * @param dmx32 DMX32 in FEE mode. |
| * @param drs The DCO range selection. |
| * @param fllStableDelay Delay function to ensure that the FLL is stable. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_BootToFeeMode( |
| mcg_oscsel_t oscsel, uint8_t frdiv, mcg_dmx32_t dmx32, mcg_drs_t drs, void (*fllStableDelay)(void)); |
| |
| /*! |
| * @brief Sets the MCG to BLPI mode during system boot up. |
| * |
| * This function sets the MCG to BLPI mode from the reset mode. It can also be used to |
| * set up the MCG during sytem boot up. |
| * |
| * @param fcrdiv Fast IRC divider, FCRDIV. |
| * @param ircs The internal reference clock to select, IRCS. |
| * @param ircEnableMode The MCGIRCLK enable mode, OR'ed value of @ref _mcg_irclk_enable_mode. |
| * |
| * @retval kStatus_MCG_SourceUsed Could not change MCGIRCLK setting. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_BootToBlpiMode(uint8_t fcrdiv, mcg_irc_mode_t ircs, uint8_t ircEnableMode); |
| |
| /*! |
| * @brief Sets the MCG to BLPE mode during sytem boot up. |
| * |
| * This function sets the MCG to BLPE mode from the reset mode. It can also be used to |
| * set up the MCG during sytem boot up. |
| * |
| * @param oscsel OSC clock select, MCG_C7[OSCSEL]. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_BootToBlpeMode(mcg_oscsel_t oscsel); |
| |
| /*! |
| * @brief Sets the MCG to PEE mode during system boot up. |
| * |
| * This function sets the MCG to PEE mode from reset mode. It can also be used to |
| * set up the MCG during system boot up. |
| * |
| * @param oscsel OSC clock select, MCG_C7[OSCSEL]. |
| * @param pllcs The PLL selection, PLLCS. |
| * @param config Pointer to the PLL configuration. |
| * |
| * @retval kStatus_MCG_ModeUnreachable Could not switch to the target mode. |
| * @retval kStatus_Success Switched to the target mode successfully. |
| */ |
| status_t CLOCK_BootToPeeMode(mcg_oscsel_t oscsel, mcg_pll_clk_select_t pllcs, mcg_pll_config_t const *config); |
| |
| /*! |
| * @brief Sets the MCG to a target mode. |
| * |
| * This function sets MCG to a target mode defined by the configuration |
| * structure. If switching to the target mode fails, this function |
| * chooses the correct path. |
| * |
| * @param config Pointer to the target MCG mode configuration structure. |
| * @return Return kStatus_Success if switched successfully; Otherwise, it returns an error code #_mcg_status. |
| * |
| * @note If the external clock is used in the target mode, ensure that it is |
| * enabled. For example, if the OSC0 is used, set up OSC0 correctly before calling this |
| * function. |
| */ |
| status_t CLOCK_SetMcgConfig(mcg_config_t const *config); |
| |
| /*@}*/ |
| |
| #if defined(__cplusplus) |
| } |
| #endif /* __cplusplus */ |
| |
| /*! @} */ |
| |
| #endif /* _FSL_CLOCK_H_ */ |