http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.c ---------------------------------------------------------------------- diff --git a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.c b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.c new file mode 100644 index 0000000..a905609 --- /dev/null +++ b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.c @@ -0,0 +1,876 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * 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 Freescale Semiconductor, Inc. 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. + */ + +#include "fsl_ftm.h" + +/******************************************************************************* + * Prototypes + ******************************************************************************/ +/*! + * @brief Gets the instance from the base address + * + * @param base FTM peripheral base address + * + * @return The FTM instance + */ +static uint32_t FTM_GetInstance(FTM_Type *base); + +/*! + * @brief Sets the FTM register PWM synchronization method + * + * This function will set the necessary bits for the PWM synchronization mode that + * user wishes to use. + * + * @param base FTM peripheral base address + * @param syncMethod Syncronization methods to use to update buffered registers. This is a logical + * OR of members of the enumeration ::ftm_pwm_sync_method_t + */ +static void FTM_SetPwmSync(FTM_Type *base, uint32_t syncMethod); + +/*! + * @brief Sets the reload points used as loading points for register update + * + * This function will set the necessary bits based on what the user wishes to use as loading + * points for FTM register update. When using this it is not required to use PWM synchnronization. + * + * @param base FTM peripheral base address + * @param reloadPoints FTM reload points. This is a logical OR of members of the + * enumeration ::ftm_reload_point_t + */ +static void FTM_SetReloadPoints(FTM_Type *base, uint32_t reloadPoints); + +/******************************************************************************* + * Variables + ******************************************************************************/ +/*! @brief Pointers to FTM bases for each instance. */ +static FTM_Type *const s_ftmBases[] = FTM_BASE_PTRS; + +/*! @brief Pointers to FTM clocks for each instance. */ +static const clock_ip_name_t s_ftmClocks[] = FTM_CLOCKS; + +/******************************************************************************* + * Code + ******************************************************************************/ +static uint32_t FTM_GetInstance(FTM_Type *base) +{ + uint32_t instance; + uint32_t ftmArrayCount = (sizeof(s_ftmBases) / sizeof(s_ftmBases[0])); + + /* Find the instance index from base address mappings. */ + for (instance = 0; instance < ftmArrayCount; instance++) + { + if (s_ftmBases[instance] == base) + { + break; + } + } + + assert(instance < ftmArrayCount); + + return instance; +} + +static void FTM_SetPwmSync(FTM_Type *base, uint32_t syncMethod) +{ + uint8_t chnlNumber = 0; + uint32_t reg = 0, syncReg = 0; + + syncReg = base->SYNC; + /* Enable PWM synchronization of output mask register */ + syncReg |= FTM_SYNC_SYNCHOM_MASK; + + reg = base->COMBINE; + for (chnlNumber = 0; chnlNumber < (FSL_FEATURE_FTM_CHANNEL_COUNTn(base) / 2); chnlNumber++) + { + /* Enable PWM synchronization of registers C(n)V and C(n+1)V */ + reg |= (1U << (FTM_COMBINE_SYNCEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlNumber))); + } + base->COMBINE = reg; + + reg = base->SYNCONF; + + /* Use enhanced PWM synchronization method. Use PWM sync to update register values */ + reg |= (FTM_SYNCONF_SYNCMODE_MASK | FTM_SYNCONF_CNTINC_MASK | FTM_SYNCONF_INVC_MASK | FTM_SYNCONF_SWOC_MASK); + + if (syncMethod & FTM_SYNC_SWSYNC_MASK) + { + /* Enable needed bits for software trigger to update registers with its buffer value */ + reg |= (FTM_SYNCONF_SWRSTCNT_MASK | FTM_SYNCONF_SWWRBUF_MASK | FTM_SYNCONF_SWINVC_MASK | + FTM_SYNCONF_SWSOC_MASK | FTM_SYNCONF_SWOM_MASK); + } + + if (syncMethod & (FTM_SYNC_TRIG0_MASK | FTM_SYNC_TRIG1_MASK | FTM_SYNC_TRIG2_MASK)) + { + /* Enable needed bits for hardware trigger to update registers with its buffer value */ + reg |= (FTM_SYNCONF_HWRSTCNT_MASK | FTM_SYNCONF_HWWRBUF_MASK | FTM_SYNCONF_HWINVC_MASK | + FTM_SYNCONF_HWSOC_MASK | FTM_SYNCONF_HWOM_MASK); + + /* Enable the appropriate hardware trigger that is used for PWM sync */ + if (syncMethod & FTM_SYNC_TRIG0_MASK) + { + syncReg |= FTM_SYNC_TRIG0_MASK; + } + if (syncMethod & FTM_SYNC_TRIG1_MASK) + { + syncReg |= FTM_SYNC_TRIG1_MASK; + } + if (syncMethod & FTM_SYNC_TRIG2_MASK) + { + syncReg |= FTM_SYNC_TRIG2_MASK; + } + } + + /* Write back values to the SYNC register */ + base->SYNC = syncReg; + + /* Write the PWM synch values to the SYNCONF register */ + base->SYNCONF = reg; +} + +static void FTM_SetReloadPoints(FTM_Type *base, uint32_t reloadPoints) +{ + uint32_t chnlNumber = 0; + uint32_t reg = 0; + + /* Need CNTINC bit to be 1 for CNTIN register to update with its buffer value on reload */ + base->SYNCONF |= FTM_SYNCONF_CNTINC_MASK; + + reg = base->COMBINE; + for (chnlNumber = 0; chnlNumber < (FSL_FEATURE_FTM_CHANNEL_COUNTn(base) / 2); chnlNumber++) + { + /* Need SYNCEN bit to be 1 for CnV reg to update with its buffer value on reload */ + reg |= (1U << (FTM_COMBINE_SYNCEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlNumber))); + } + base->COMBINE = reg; + + /* Set the reload points */ + reg = base->PWMLOAD; + + /* Enable the selected channel match reload points */ + reg &= ~((1U << FSL_FEATURE_FTM_CHANNEL_COUNTn(base)) - 1); + reg |= (reloadPoints & ((1U << FSL_FEATURE_FTM_CHANNEL_COUNTn(base)) - 1)); + +#if defined(FSL_FEATURE_FTM_HAS_HALFCYCLE_RELOAD) && (FSL_FEATURE_FTM_HAS_HALFCYCLE_RELOAD) + /* Enable half cycle match as a reload point */ + if (reloadPoints & kFTM_HalfCycMatch) + { + reg |= FTM_PWMLOAD_HCSEL_MASK; + } + else + { + reg &= ~FTM_PWMLOAD_HCSEL_MASK; + } +#endif /* FSL_FEATURE_FTM_HAS_HALFCYCLE_RELOAD */ + + base->PWMLOAD = reg; + + /* These reload points are used when counter is in up-down counting mode */ + reg = base->SYNC; + if (reloadPoints & kFTM_CntMax) + { + /* Reload when counter turns from up to down */ + reg |= FTM_SYNC_CNTMAX_MASK; + } + else + { + reg &= ~FTM_SYNC_CNTMAX_MASK; + } + + if (reloadPoints & kFTM_CntMin) + { + /* Reload when counter turns from down to up */ + reg |= FTM_SYNC_CNTMIN_MASK; + } + else + { + reg &= ~FTM_SYNC_CNTMIN_MASK; + } + base->SYNC = reg; +} + +status_t FTM_Init(FTM_Type *base, const ftm_config_t *config) +{ + assert(config); + + uint32_t reg; + + if (!(config->pwmSyncMode & + (FTM_SYNC_TRIG0_MASK | FTM_SYNC_TRIG1_MASK | FTM_SYNC_TRIG2_MASK | FTM_SYNC_SWSYNC_MASK))) + { + /* Invalid PWM sync mode */ + return kStatus_Fail; + } + + /* Ungate the FTM clock*/ + CLOCK_EnableClock(s_ftmClocks[FTM_GetInstance(base)]); + + /* Configure the fault mode, enable FTM mode and disable write protection */ + base->MODE = FTM_MODE_FAULTM(config->faultMode) | FTM_MODE_FTMEN_MASK | FTM_MODE_WPDIS_MASK; + + /* Configure the update mechanism for buffered registers */ + FTM_SetPwmSync(base, config->pwmSyncMode); + + if (config->reloadPoints) + { + /* Setup intermediate register reload points */ + FTM_SetReloadPoints(base, config->reloadPoints); + } + + /* Set the clock prescale factor */ + base->SC = FTM_SC_PS(config->prescale); + + /* Setup the counter operation */ + base->CONF = (FTM_CONF_BDMMODE(config->bdmMode) | FTM_CONF_GTBEEN(config->useGlobalTimeBase)); + + /* Initial state of channel output */ + base->OUTINIT = config->chnlInitState; + + /* Channel polarity */ + base->POL = config->chnlPolarity; + + /* Set the external trigger sources */ + base->EXTTRIG = config->extTriggers; +#if defined(FSL_FEATURE_FTM_HAS_RELOAD_INITIALIZATION_TRIGGER) && (FSL_FEATURE_FTM_HAS_RELOAD_INITIALIZATION_TRIGGER) + if (config->extTriggers & kFTM_ReloadInitTrigger) + { + base->CONF |= FTM_CONF_ITRIGR_MASK; + } + else + { + base->CONF &= ~FTM_CONF_ITRIGR_MASK; + } +#endif /* FSL_FEATURE_FTM_HAS_RELOAD_INITIALIZATION_TRIGGER */ + + /* FTM deadtime insertion control */ + base->DEADTIME = (FTM_DEADTIME_DTPS(config->deadTimePrescale) | FTM_DEADTIME_DTVAL(config->deadTimeValue)); + + /* FTM fault filter value */ + reg = base->FLTCTRL; + reg &= ~FTM_FLTCTRL_FFVAL_MASK; + reg |= FTM_FLTCTRL_FFVAL(config->faultFilterValue); + base->FLTCTRL = reg; + + return kStatus_Success; +} + +void FTM_Deinit(FTM_Type *base) +{ + /* Set clock source to none to disable counter */ + base->SC &= ~(FTM_SC_CLKS_MASK); + + /* Gate the FTM clock */ + CLOCK_DisableClock(s_ftmClocks[FTM_GetInstance(base)]); +} + +void FTM_GetDefaultConfig(ftm_config_t *config) +{ + assert(config); + + /* Divide FTM clock by 1 */ + config->prescale = kFTM_Prescale_Divide_1; + /* FTM behavior in BDM mode */ + config->bdmMode = kFTM_BdmMode_0; + /* Software trigger will be used to update registers */ + config->pwmSyncMode = kFTM_SoftwareTrigger; + /* No intermediate register load */ + config->reloadPoints = 0; + /* Fault control disabled for all channels */ + config->faultMode = kFTM_Fault_Disable; + /* Disable the fault filter */ + config->faultFilterValue = 0; + /* Divide the system clock by 1 */ + config->deadTimePrescale = kFTM_Deadtime_Prescale_1; + /* No counts are inserted */ + config->deadTimeValue = 0; + /* No external trigger */ + config->extTriggers = 0; + /* Initialization value is 0 for all channels */ + config->chnlInitState = 0; + /* Active high polarity for all channels */ + config->chnlPolarity = 0; + /* Use internal FTM counter as timebase */ + config->useGlobalTimeBase = false; +} + +status_t FTM_SetupPwm(FTM_Type *base, + const ftm_chnl_pwm_signal_param_t *chnlParams, + uint8_t numOfChnls, + ftm_pwm_mode_t mode, + uint32_t pwmFreq_Hz, + uint32_t srcClock_Hz) +{ + assert(chnlParams); + + uint32_t mod, reg; + uint32_t ftmClock = (srcClock_Hz / (1U << (base->SC & FTM_SC_PS_MASK))); + uint16_t cnv, cnvFirstEdge; + uint8_t i; + + switch (mode) + { + case kFTM_EdgeAlignedPwm: + case kFTM_CombinedPwm: + base->SC &= ~FTM_SC_CPWMS_MASK; + mod = (ftmClock / pwmFreq_Hz) - 1; + break; + case kFTM_CenterAlignedPwm: + base->SC |= FTM_SC_CPWMS_MASK; + mod = ftmClock / (pwmFreq_Hz * 2); + break; + default: + return kStatus_Fail; + } + + /* Return an error in case we overflow the registers, probably would require changing + * clock source to get the desired frequency */ + if (mod > 65535U) + { + return kStatus_Fail; + } + /* Set the PWM period */ + base->MOD = mod; + + /* Setup each FTM channel */ + for (i = 0; i < numOfChnls; i++) + { + /* Return error if requested dutycycle is greater than the max allowed */ + if (chnlParams->dutyCyclePercent > 100) + { + return kStatus_Fail; + } + + if ((mode == kFTM_EdgeAlignedPwm) || (mode == kFTM_CenterAlignedPwm)) + { + /* Clear the current mode and edge level bits */ + reg = base->CONTROLS[chnlParams->chnlNumber].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + + /* Setup the active level */ + reg |= (FTM_CnSC_ELSA(chnlParams->level) | FTM_CnSC_ELSB(chnlParams->level)); + + /* Edge-aligned mode needs MSB to be 1, don't care for Center-aligned mode */ + reg |= FTM_CnSC_MSB(1U); + + /* Update the mode and edge level */ + base->CONTROLS[chnlParams->chnlNumber].CnSC = reg; + + if (chnlParams->dutyCyclePercent == 0) + { + /* Signal stays low */ + cnv = 0; + } + else + { + cnv = (mod * chnlParams->dutyCyclePercent) / 100; + /* For 100% duty cycle */ + if (cnv >= mod) + { + cnv = mod + 1; + } + } + + base->CONTROLS[chnlParams->chnlNumber].CnV = cnv; + } + else + { + /* This check is added for combined mode as the channel number should be the pair number */ + if (chnlParams->chnlNumber >= (FSL_FEATURE_FTM_CHANNEL_COUNTn(base) / 2)) + { + return kStatus_Fail; + } + + /* Return error if requested value is greater than the max allowed */ + if (chnlParams->firstEdgeDelayPercent > 100) + { + return kStatus_Fail; + } + + /* Configure delay of the first edge */ + if (chnlParams->firstEdgeDelayPercent == 0) + { + /* No delay for the first edge */ + cnvFirstEdge = 0; + } + else + { + cnvFirstEdge = (mod * chnlParams->firstEdgeDelayPercent) / 100; + } + + /* Configure dutycycle */ + if (chnlParams->dutyCyclePercent == 0) + { + /* Signal stays low */ + cnv = 0; + cnvFirstEdge = 0; + } + else + { + cnv = (mod * chnlParams->dutyCyclePercent) / 100; + /* For 100% duty cycle */ + if (cnv >= mod) + { + cnv = mod + 1; + } + } + + /* Clear the current mode and edge level bits for channel n */ + reg = base->CONTROLS[chnlParams->chnlNumber * 2].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + + /* Setup the active level for channel n */ + reg |= (FTM_CnSC_ELSA(chnlParams->level) | FTM_CnSC_ELSB(chnlParams->level)); + + /* Update the mode and edge level for channel n */ + base->CONTROLS[chnlParams->chnlNumber * 2].CnSC = reg; + + /* Clear the current mode and edge level bits for channel n + 1 */ + reg = base->CONTROLS[(chnlParams->chnlNumber * 2) + 1].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + + /* Setup the active level for channel n + 1 */ + reg |= (FTM_CnSC_ELSA(chnlParams->level) | FTM_CnSC_ELSB(chnlParams->level)); + + /* Update the mode and edge level for channel n + 1*/ + base->CONTROLS[(chnlParams->chnlNumber * 2) + 1].CnSC = reg; + + /* Set the channel pair values */ + base->CONTROLS[chnlParams->chnlNumber * 2].CnV = cnvFirstEdge; + base->CONTROLS[(chnlParams->chnlNumber * 2) + 1].CnV = cnvFirstEdge + cnv; + + /* Set the combine bit for the channel pair */ + base->COMBINE |= + (1U << (FTM_COMBINE_COMBINE0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlParams->chnlNumber))); + } + +#if defined(FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) && (FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) + /* Set to output mode */ + FTM_SetPwmOutputEnable(base, chnlParams->chnlNumber, true); +#endif + + chnlParams++; + } + + return kStatus_Success; +} + +void FTM_UpdatePwmDutycycle(FTM_Type *base, + ftm_chnl_t chnlNumber, + ftm_pwm_mode_t currentPwmMode, + uint8_t dutyCyclePercent) +{ + uint16_t cnv, cnvFirstEdge = 0, mod; + + mod = base->MOD; + if ((currentPwmMode == kFTM_EdgeAlignedPwm) || (currentPwmMode == kFTM_CenterAlignedPwm)) + { + cnv = (mod * dutyCyclePercent) / 100; + /* For 100% duty cycle */ + if (cnv >= mod) + { + cnv = mod + 1; + } + base->CONTROLS[chnlNumber].CnV = cnv; + } + else + { + /* This check is added for combined mode as the channel number should be the pair number */ + if (chnlNumber >= (FSL_FEATURE_FTM_CHANNEL_COUNTn(base) / 2)) + { + return; + } + + cnv = (mod * dutyCyclePercent) / 100; + cnvFirstEdge = base->CONTROLS[chnlNumber * 2].CnV; + /* For 100% duty cycle */ + if (cnv >= mod) + { + cnv = mod + 1; + } + base->CONTROLS[(chnlNumber * 2) + 1].CnV = cnvFirstEdge + cnv; + } +} + +void FTM_UpdateChnlEdgeLevelSelect(FTM_Type *base, ftm_chnl_t chnlNumber, uint8_t level) +{ + uint32_t reg = base->CONTROLS[chnlNumber].CnSC; + + /* Clear the field and write the new level value */ + reg &= ~(FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + reg |= ((uint32_t)level << FTM_CnSC_ELSA_SHIFT) & (FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + + base->CONTROLS[chnlNumber].CnSC = reg; +} + +void FTM_SetupInputCapture(FTM_Type *base, + ftm_chnl_t chnlNumber, + ftm_input_capture_edge_t captureMode, + uint32_t filterValue) +{ + uint32_t reg; + + reg = base->CONTROLS[chnlNumber].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + reg |= captureMode; + + /* Set the requested input capture mode */ + base->CONTROLS[chnlNumber].CnSC = reg; + /* Input filter available only for channels 0, 1, 2, 3 */ + if (chnlNumber < kFTM_Chnl_4) + { + reg = base->FILTER; + reg &= ~(FTM_FILTER_CH0FVAL_MASK << (FTM_FILTER_CH1FVAL_SHIFT * chnlNumber)); + reg |= (filterValue << (FTM_FILTER_CH1FVAL_SHIFT * chnlNumber)); + base->FILTER = reg; + } +#if defined(FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) && (FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) + /* Set to input mode */ + FTM_SetPwmOutputEnable(base, chnlNumber, false); +#endif +} + +void FTM_SetupOutputCompare(FTM_Type *base, + ftm_chnl_t chnlNumber, + ftm_output_compare_mode_t compareMode, + uint32_t compareValue) +{ + uint32_t reg; + + /* Set output on match to the requested level */ + base->CONTROLS[chnlNumber].CnV = compareValue; + + reg = base->CONTROLS[chnlNumber].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + reg |= compareMode; + /* Setup the channel output behaviour when a match occurs with the compare value */ + base->CONTROLS[chnlNumber].CnSC = reg; + +#if defined(FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) && (FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) + /* Set to output mode */ + FTM_SetPwmOutputEnable(base, chnlNumber, true); +#endif +} + +void FTM_SetupDualEdgeCapture(FTM_Type *base, + ftm_chnl_t chnlPairNumber, + const ftm_dual_edge_capture_param_t *edgeParam, + uint32_t filterValue) +{ + assert(edgeParam); + + uint32_t reg; + + reg = base->COMBINE; + /* Clear the combine bit for the channel pair */ + reg &= ~(1U << (FTM_COMBINE_COMBINE0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + /* Enable the DECAPEN bit */ + reg |= (1U << (FTM_COMBINE_DECAPEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + reg |= (1U << (FTM_COMBINE_DECAP0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + base->COMBINE = reg; + + /* Setup the edge detection from channel n and n + 1 */ + reg = base->CONTROLS[chnlPairNumber * 2].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + reg |= ((uint32_t)edgeParam->mode | (uint32_t)edgeParam->currChanEdgeMode); + base->CONTROLS[chnlPairNumber * 2].CnSC = reg; + + reg = base->CONTROLS[(chnlPairNumber * 2) + 1].CnSC; + reg &= ~(FTM_CnSC_MSA_MASK | FTM_CnSC_MSB_MASK | FTM_CnSC_ELSA_MASK | FTM_CnSC_ELSB_MASK); + reg |= ((uint32_t)edgeParam->mode | (uint32_t)edgeParam->nextChanEdgeMode); + base->CONTROLS[(chnlPairNumber * 2) + 1].CnSC = reg; + + /* Input filter available only for channels 0, 1, 2, 3 */ + if (chnlPairNumber < kFTM_Chnl_4) + { + reg = base->FILTER; + reg &= ~(FTM_FILTER_CH0FVAL_MASK << (FTM_FILTER_CH1FVAL_SHIFT * chnlPairNumber)); + reg |= (filterValue << (FTM_FILTER_CH1FVAL_SHIFT * chnlPairNumber)); + base->FILTER = reg; + } + +#if defined(FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) && (FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) + /* Set to input mode */ + FTM_SetPwmOutputEnable(base, chnlPairNumber, false); +#endif +} + +void FTM_SetupQuadDecode(FTM_Type *base, + const ftm_phase_params_t *phaseAParams, + const ftm_phase_params_t *phaseBParams, + ftm_quad_decode_mode_t quadMode) +{ + assert(phaseAParams); + assert(phaseBParams); + + uint32_t reg; + + /* Set Phase A filter value if phase filter is enabled */ + if (phaseAParams->enablePhaseFilter) + { + reg = base->FILTER; + reg &= ~(FTM_FILTER_CH0FVAL_MASK); + reg |= FTM_FILTER_CH0FVAL(phaseAParams->phaseFilterVal); + base->FILTER = reg; + } + + /* Set Phase B filter value if phase filter is enabled */ + if (phaseBParams->enablePhaseFilter) + { + reg = base->FILTER; + reg &= ~(FTM_FILTER_CH1FVAL_MASK); + reg |= FTM_FILTER_CH1FVAL(phaseBParams->phaseFilterVal); + base->FILTER = reg; + } + + /* Set Quadrature decode properties */ + reg = base->QDCTRL; + reg &= ~(FTM_QDCTRL_QUADMODE_MASK | FTM_QDCTRL_PHAFLTREN_MASK | FTM_QDCTRL_PHBFLTREN_MASK | FTM_QDCTRL_PHAPOL_MASK | + FTM_QDCTRL_PHBPOL_MASK); + reg |= (FTM_QDCTRL_QUADMODE(quadMode) | FTM_QDCTRL_PHAFLTREN(phaseAParams->enablePhaseFilter) | + FTM_QDCTRL_PHBFLTREN(phaseBParams->enablePhaseFilter) | FTM_QDCTRL_PHAPOL(phaseAParams->phasePolarity) | + FTM_QDCTRL_PHBPOL(phaseBParams->phasePolarity)); + base->QDCTRL = reg; + /* Enable Quad decode */ + base->QDCTRL |= FTM_QDCTRL_QUADEN_MASK; +} + +void FTM_SetupFault(FTM_Type *base, ftm_fault_input_t faultNumber, const ftm_fault_param_t *faultParams) +{ + uint32_t reg; + + reg = base->FLTCTRL; + if (faultParams->enableFaultInput) + { + /* Enable the fault input */ + reg |= (FTM_FLTCTRL_FAULT0EN_MASK << faultNumber); + } + else + { + /* Disable the fault input */ + reg &= ~(FTM_FLTCTRL_FAULT0EN_MASK << faultNumber); + } + + if (faultParams->useFaultFilter) + { + /* Enable the fault filter */ + reg |= (FTM_FLTCTRL_FFLTR0EN_MASK << (FTM_FLTCTRL_FFLTR0EN_SHIFT + faultNumber)); + } + else + { + /* Disable the fault filter */ + reg &= ~(FTM_FLTCTRL_FFLTR0EN_MASK << (FTM_FLTCTRL_FFLTR0EN_SHIFT + faultNumber)); + } + base->FLTCTRL = reg; + + if (faultParams->faultLevel) + { + /* Active low polarity for the fault input pin */ + base->FLTPOL |= (1U << faultNumber); + } + else + { + /* Active high polarity for the fault input pin */ + base->FLTPOL &= ~(1U << faultNumber); + } +} + +void FTM_EnableInterrupts(FTM_Type *base, uint32_t mask) +{ + uint32_t chnlInts = (mask & 0xFFU); + uint8_t chnlNumber = 0; + + /* Enable the timer overflow interrupt */ + if (mask & kFTM_TimeOverflowInterruptEnable) + { + base->SC |= FTM_SC_TOIE_MASK; + } + + /* Enable the fault interrupt */ + if (mask & kFTM_FaultInterruptEnable) + { + base->MODE |= FTM_MODE_FAULTIE_MASK; + } + +#if defined(FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) && (FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) + /* Enable the reload interrupt available only on certain SoC's */ + if (mask & kFTM_ReloadInterruptEnable) + { + base->SC |= FTM_SC_RIE_MASK; + } +#endif + + /* Enable the channel interrupts */ + while (chnlInts) + { + if (chnlInts & 0x1) + { + base->CONTROLS[chnlNumber].CnSC |= FTM_CnSC_CHIE_MASK; + } + chnlNumber++; + chnlInts = chnlInts >> 1U; + } +} + +void FTM_DisableInterrupts(FTM_Type *base, uint32_t mask) +{ + uint32_t chnlInts = (mask & 0xFF); + uint8_t chnlNumber = 0; + + /* Disable the timer overflow interrupt */ + if (mask & kFTM_TimeOverflowInterruptEnable) + { + base->SC &= ~FTM_SC_TOIE_MASK; + } + /* Disable the fault interrupt */ + if (mask & kFTM_FaultInterruptEnable) + { + base->MODE &= ~FTM_MODE_FAULTIE_MASK; + } + +#if defined(FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) && (FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) + /* Disable the reload interrupt available only on certain SoC's */ + if (mask & kFTM_ReloadInterruptEnable) + { + base->SC &= ~FTM_SC_RIE_MASK; + } +#endif + + /* Disable the channel interrupts */ + while (chnlInts) + { + if (chnlInts & 0x1) + { + base->CONTROLS[chnlNumber].CnSC &= ~FTM_CnSC_CHIE_MASK; + } + chnlNumber++; + chnlInts = chnlInts >> 1U; + } +} + +uint32_t FTM_GetEnabledInterrupts(FTM_Type *base) +{ + uint32_t enabledInterrupts = 0; + int8_t chnlCount = FSL_FEATURE_FTM_CHANNEL_COUNTn(base); + + /* The CHANNEL_COUNT macro returns -1 if it cannot match the FTM instance */ + assert(chnlCount != -1); + + /* Check if timer overflow interrupt is enabled */ + if (base->SC & FTM_SC_TOIE_MASK) + { + enabledInterrupts |= kFTM_TimeOverflowInterruptEnable; + } + /* Check if fault interrupt is enabled */ + if (base->MODE & FTM_MODE_FAULTIE_MASK) + { + enabledInterrupts |= kFTM_FaultInterruptEnable; + } + +#if defined(FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) && (FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) + /* Check if the reload interrupt is enabled */ + if (base->SC & FTM_SC_RIE_MASK) + { + enabledInterrupts |= kFTM_ReloadInterruptEnable; + } +#endif + + /* Check if the channel interrupts are enabled */ + while (chnlCount > 0) + { + chnlCount--; + if (base->CONTROLS[chnlCount].CnSC & FTM_CnSC_CHIE_MASK) + { + enabledInterrupts |= (1U << chnlCount); + } + } + + return enabledInterrupts; +} + +uint32_t FTM_GetStatusFlags(FTM_Type *base) +{ + uint32_t statusFlags = 0; + + /* Check the timer flag */ + if (base->SC & FTM_SC_TOF_MASK) + { + statusFlags |= kFTM_TimeOverflowFlag; + } + /* Check fault flag */ + if (base->FMS & FTM_FMS_FAULTF_MASK) + { + statusFlags |= kFTM_FaultFlag; + } + /* Check channel trigger flag */ + if (base->EXTTRIG & FTM_EXTTRIG_TRIGF_MASK) + { + statusFlags |= kFTM_ChnlTriggerFlag; + } +#if defined(FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) && (FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) + /* Check reload flag */ + if (base->SC & FTM_SC_RF_MASK) + { + statusFlags |= kFTM_ReloadFlag; + } +#endif + + /* Lower 8 bits contain the channel status flags */ + statusFlags |= (base->STATUS & 0xFFU); + + return statusFlags; +} + +void FTM_ClearStatusFlags(FTM_Type *base, uint32_t mask) +{ + /* Clear the timer overflow flag by writing a 0 to the bit while it is set */ + if (mask & kFTM_TimeOverflowFlag) + { + base->SC &= ~FTM_SC_TOF_MASK; + } + /* Clear fault flag by writing a 0 to the bit while it is set */ + if (mask & kFTM_FaultFlag) + { + base->FMS &= ~FTM_FMS_FAULTF_MASK; + } + /* Clear channel trigger flag */ + if (mask & kFTM_ChnlTriggerFlag) + { + base->EXTTRIG &= ~FTM_EXTTRIG_TRIGF_MASK; + } + +#if defined(FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) && (FSL_FEATURE_FTM_HAS_RELOAD_INTERRUPT) + /* Check reload flag by writing a 0 to the bit while it is set */ + if (mask & kFTM_ReloadFlag) + { + base->SC &= ~FTM_SC_RF_MASK; + } +#endif + /* Clear the channel status flags by writing a 0 to the bit */ + base->STATUS &= ~(mask & 0xFFU); +}
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.h ---------------------------------------------------------------------- diff --git a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.h b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.h new file mode 100644 index 0000000..eb1ebf7 --- /dev/null +++ b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_ftm.h @@ -0,0 +1,862 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * 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 Freescale Semiconductor, Inc. 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_FTM_H_ +#define _FSL_FTM_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup ftm_driver + * @{ + */ + +/*! @file */ + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +#define FSL_FTM_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*!< Version 2.0.0 */ +/*@}*/ + +/*! + * @brief List of FTM channels + * @note Actual number of available channels is SoC dependent + */ +typedef enum _ftm_chnl +{ + kFTM_Chnl_0 = 0U, /*!< FTM channel number 0*/ + kFTM_Chnl_1, /*!< FTM channel number 1 */ + kFTM_Chnl_2, /*!< FTM channel number 2 */ + kFTM_Chnl_3, /*!< FTM channel number 3 */ + kFTM_Chnl_4, /*!< FTM channel number 4 */ + kFTM_Chnl_5, /*!< FTM channel number 5 */ + kFTM_Chnl_6, /*!< FTM channel number 6 */ + kFTM_Chnl_7 /*!< FTM channel number 7 */ +} ftm_chnl_t; + +/*! @brief List of FTM faults */ +typedef enum _ftm_fault_input +{ + kFTM_Fault_0 = 0U, /*!< FTM fault 0 input pin */ + kFTM_Fault_1, /*!< FTM fault 1 input pin */ + kFTM_Fault_2, /*!< FTM fault 2 input pin */ + kFTM_Fault_3 /*!< FTM fault 3 input pin */ +} ftm_fault_input_t; + +/*! @brief FTM PWM operation modes */ +typedef enum _ftm_pwm_mode +{ + kFTM_EdgeAlignedPwm = 0U, /*!< Edge-aligned PWM */ + kFTM_CenterAlignedPwm, /*!< Center-aligned PWM */ + kFTM_CombinedPwm /*!< Combined PWM */ +} ftm_pwm_mode_t; + +/*! @brief FTM PWM output pulse mode: high-true, low-true or no output */ +typedef enum _ftm_pwm_level_select +{ + kFTM_NoPwmSignal = 0U, /*!< No PWM output on pin */ + kFTM_LowTrue, /*!< Low true pulses */ + kFTM_HighTrue /*!< High true pulses */ +} ftm_pwm_level_select_t; + +/*! @brief Options to configure a FTM channel's PWM signal */ +typedef struct _ftm_chnl_pwm_signal_param +{ + ftm_chnl_t chnlNumber; /*!< The channel/channel pair number. + In combined mode, this represents the channel pair number. */ + ftm_pwm_level_select_t level; /*!< PWM output active level select. */ + uint8_t dutyCyclePercent; /*!< PWM pulse width, value should be between 0 to 100 + 0 = inactive signal(0% duty cycle)... + 100 = always active signal (100% duty cycle).*/ + uint8_t firstEdgeDelayPercent; /*!< Used only in combined PWM mode to generate an asymmetrical PWM. + Specifies the delay to the first edge in a PWM period. + If unsure leave as 0; Should be specified as a + percentage of the PWM period */ +} ftm_chnl_pwm_signal_param_t; + +/*! @brief FlexTimer output compare mode */ +typedef enum _ftm_output_compare_mode +{ + kFTM_NoOutputSignal = (1U << FTM_CnSC_MSA_SHIFT), /*!< No channel output when counter reaches CnV */ + kFTM_ToggleOnMatch = ((1U << FTM_CnSC_MSA_SHIFT) | (1U << FTM_CnSC_ELSA_SHIFT)), /*!< Toggle output */ + kFTM_ClearOnMatch = ((1U << FTM_CnSC_MSA_SHIFT) | (2U << FTM_CnSC_ELSA_SHIFT)), /*!< Clear output */ + kFTM_SetOnMatch = ((1U << FTM_CnSC_MSA_SHIFT) | (3U << FTM_CnSC_ELSA_SHIFT)) /*!< Set output */ +} ftm_output_compare_mode_t; + +/*! @brief FlexTimer input capture edge */ +typedef enum _ftm_input_capture_edge +{ + kFTM_RisingEdge = (1U << FTM_CnSC_ELSA_SHIFT), /*!< Capture on rising edge only*/ + kFTM_FallingEdge = (2U << FTM_CnSC_ELSA_SHIFT), /*!< Capture on falling edge only*/ + kFTM_RiseAndFallEdge = (3U << FTM_CnSC_ELSA_SHIFT) /*!< Capture on rising or falling edge */ +} ftm_input_capture_edge_t; + +/*! @brief FlexTimer dual edge capture modes */ +typedef enum _ftm_dual_edge_capture_mode +{ + kFTM_OneShot = 0U, /*!< One-shot capture mode */ + kFTM_Continuous = (1U << FTM_CnSC_MSA_SHIFT) /*!< Continuous capture mode */ +} ftm_dual_edge_capture_mode_t; + +/*! @brief FlexTimer dual edge capture parameters */ +typedef struct _ftm_dual_edge_capture_param +{ + ftm_dual_edge_capture_mode_t mode; /*!< Dual Edge Capture mode */ + ftm_input_capture_edge_t currChanEdgeMode; /*!< Input capture edge select for channel n */ + ftm_input_capture_edge_t nextChanEdgeMode; /*!< Input capture edge select for channel n+1 */ +} ftm_dual_edge_capture_param_t; + +/*! @brief FlexTimer quadrature decode modes */ +typedef enum _ftm_quad_decode_mode +{ + kFTM_QuadPhaseEncode = 0U, /*!< Phase A and Phase B encoding mode */ + kFTM_QuadCountAndDir /*!< Count and direction encoding mode */ +} ftm_quad_decode_mode_t; + +/*! @brief FlexTimer quadrature phase polarities */ +typedef enum _ftm_phase_polarity +{ + kFTM_QuadPhaseNormal = 0U, /*!< Phase input signal is not inverted */ + kFTM_QuadPhaseInvert /*!< Phase input signal is inverted */ +} ftm_phase_polarity_t; + +/*! @brief FlexTimer quadrature decode phase parameters */ +typedef struct _ftm_phase_param +{ + bool enablePhaseFilter; /*!< True: enable phase filter; false: disable filter */ + uint32_t phaseFilterVal; /*!< Filter value, used only if phase filter is enabled */ + ftm_phase_polarity_t phasePolarity; /*!< Phase polarity */ +} ftm_phase_params_t; + +/*! @brief Structure is used to hold the parameters to configure a FTM fault */ +typedef struct _ftm_fault_param +{ + bool enableFaultInput; /*!< True: Fault input is enabled; false: Fault input is disabled */ + bool faultLevel; /*!< True: Fault polarity is active low i.e '0' indicates a fault; + False: Fault polarity is active high */ + bool useFaultFilter; /*!< True: Use the filtered fault signal; + False: Use the direct path from fault input */ +} ftm_fault_param_t; + +/*! @brief FlexTimer pre-scaler factor for the dead time insertion*/ +typedef enum _ftm_deadtime_prescale +{ + kFTM_Deadtime_Prescale_1 = 1U, /*!< Divide by 1 */ + kFTM_Deadtime_Prescale_4, /*!< Divide by 4 */ + kFTM_Deadtime_Prescale_16 /*!< Divide by 16 */ +} ftm_deadtime_prescale_t; + +/*! @brief FlexTimer clock source selection*/ +typedef enum _ftm_clock_source +{ + kFTM_SystemClock = 1U, /*!< System clock selected */ + kFTM_FixedClock, /*!< Fixed frequency clock */ + kFTM_ExternalClock /*!< External clock */ +} ftm_clock_source_t; + +/*! @brief FlexTimer pre-scaler factor selection for the clock source*/ +typedef enum _ftm_clock_prescale +{ + kFTM_Prescale_Divide_1 = 0U, /*!< Divide by 1 */ + kFTM_Prescale_Divide_2, /*!< Divide by 2 */ + kFTM_Prescale_Divide_4, /*!< Divide by 4 */ + kFTM_Prescale_Divide_8, /*!< Divide by 8 */ + kFTM_Prescale_Divide_16, /*!< Divide by 16 */ + kFTM_Prescale_Divide_32, /*!< Divide by 32 */ + kFTM_Prescale_Divide_64, /*!< Divide by 64 */ + kFTM_Prescale_Divide_128 /*!< Divide by 128 */ +} ftm_clock_prescale_t; + +/*! @brief Options for the FlexTimer behaviour in BDM Mode */ +typedef enum _ftm_bdm_mode +{ + kFTM_BdmMode_0 = 0U, + /*!< FTM counter stopped, CH(n)F bit can be set, FTM channels in functional mode, writes to MOD,CNTIN and C(n)V + registers bypass the register buffers */ + kFTM_BdmMode_1, + /*!< FTM counter stopped, CH(n)F bit is not set, FTM channels outputs are forced to their safe value , writes to + MOD,CNTIN and C(n)V registers bypass the register buffers */ + kFTM_BdmMode_2, + /*!< FTM counter stopped, CH(n)F bit is not set, FTM channels outputs are frozen when chip enters in BDM mode, + writes to MOD,CNTIN and C(n)V registers bypass the register buffers */ + kFTM_BdmMode_3 + /*!< FTM counter in functional mode, CH(n)F bit can be set, FTM channels in functional mode, writes to MOD,CNTIN and + C(n)V registers is in fully functional mode */ +} ftm_bdm_mode_t; + +/*! @brief Options for the FTM fault control mode */ +typedef enum _ftm_fault_mode +{ + kFTM_Fault_Disable = 0U, /*!< Fault control is disabled for all channels */ + kFTM_Fault_EvenChnls, /*!< Enabled for even channels only(0,2,4,6) with manual fault clearing */ + kFTM_Fault_AllChnlsMan, /*!< Enabled for all channels with manual fault clearing */ + kFTM_Fault_AllChnlsAuto /*!< Enabled for all channels with automatic fault clearing */ +} ftm_fault_mode_t; + +/*! + * @brief FTM external trigger options + * @note Actual available external trigger sources are SoC-specific + */ +typedef enum _ftm_external_trigger +{ + kFTM_Chnl0Trigger = (1U << 4), /*!< Generate trigger when counter equals chnl 0 CnV reg */ + kFTM_Chnl1Trigger = (1U << 5), /*!< Generate trigger when counter equals chnl 1 CnV reg */ + kFTM_Chnl2Trigger = (1U << 0), /*!< Generate trigger when counter equals chnl 2 CnV reg */ + kFTM_Chnl3Trigger = (1U << 1), /*!< Generate trigger when counter equals chnl 3 CnV reg */ + kFTM_Chnl4Trigger = (1U << 2), /*!< Generate trigger when counter equals chnl 4 CnV reg */ + kFTM_Chnl5Trigger = (1U << 3), /*!< Generate trigger when counter equals chnl 5 CnV reg */ + kFTM_Chnl6Trigger = + (1U << 8), /*!< Available on certain SoC's, generate trigger when counter equals chnl 6 CnV reg */ + kFTM_Chnl7Trigger = + (1U << 9), /*!< Available on certain SoC's, generate trigger when counter equals chnl 7 CnV reg */ + kFTM_InitTrigger = (1U << 6), /*!< Generate Trigger when counter is updated with CNTIN */ + kFTM_ReloadInitTrigger = (1U << 7) /*!< Available on certain SoC's, trigger on reload point */ +} ftm_external_trigger_t; + +/*! @brief FlexTimer PWM sync options to update registers with buffer */ +typedef enum _ftm_pwm_sync_method +{ + kFTM_SoftwareTrigger = FTM_SYNC_SWSYNC_MASK, /*!< Software triggers PWM sync */ + kFTM_HardwareTrigger_0 = FTM_SYNC_TRIG0_MASK, /*!< Hardware trigger 0 causes PWM sync */ + kFTM_HardwareTrigger_1 = FTM_SYNC_TRIG1_MASK, /*!< Hardware trigger 1 causes PWM sync */ + kFTM_HardwareTrigger_2 = FTM_SYNC_TRIG2_MASK /*!< Hardware trigger 2 causes PWM sync */ +} ftm_pwm_sync_method_t; + +/*! + * @brief FTM options available as loading point for register reload + * @note Actual available reload points are SoC-specific + */ +typedef enum _ftm_reload_point +{ + kFTM_Chnl0Match = (1U << 0), /*!< Channel 0 match included as a reload point */ + kFTM_Chnl1Match = (1U << 1), /*!< Channel 1 match included as a reload point */ + kFTM_Chnl2Match = (1U << 2), /*!< Channel 2 match included as a reload point */ + kFTM_Chnl3Match = (1U << 3), /*!< Channel 3 match included as a reload point */ + kFTM_Chnl4Match = (1U << 4), /*!< Channel 4 match included as a reload point */ + kFTM_Chnl5Match = (1U << 5), /*!< Channel 5 match included as a reload point */ + kFTM_Chnl6Match = (1U << 6), /*!< Channel 6 match included as a reload point */ + kFTM_Chnl7Match = (1U << 7), /*!< Channel 7 match included as a reload point */ + kFTM_CntMax = (1U << 8), /*!< Use in up-down count mode only, reload when counter reaches the maximum value */ + kFTM_CntMin = (1U << 9), /*!< Use in up-down count mode only, reload when counter reaches the minimum value */ + kFTM_HalfCycMatch = (1U << 10) /*!< Available on certain SoC's, half cycle match reload point */ +} ftm_reload_point_t; + +/*! + * @brief List of FTM interrupts + * @note Actual available interrupts are SoC-specific + */ +typedef enum _ftm_interrupt_enable +{ + kFTM_Chnl0InterruptEnable = (1U << 0), /*!< Channel 0 interrupt */ + kFTM_Chnl1InterruptEnable = (1U << 1), /*!< Channel 1 interrupt */ + kFTM_Chnl2InterruptEnable = (1U << 2), /*!< Channel 2 interrupt */ + kFTM_Chnl3InterruptEnable = (1U << 3), /*!< Channel 3 interrupt */ + kFTM_Chnl4InterruptEnable = (1U << 4), /*!< Channel 4 interrupt */ + kFTM_Chnl5InterruptEnable = (1U << 5), /*!< Channel 5 interrupt */ + kFTM_Chnl6InterruptEnable = (1U << 6), /*!< Channel 6 interrupt */ + kFTM_Chnl7InterruptEnable = (1U << 7), /*!< Channel 7 interrupt */ + kFTM_FaultInterruptEnable = (1U << 8), /*!< Fault interrupt */ + kFTM_TimeOverflowInterruptEnable = (1U << 9), /*!< Time overflow interrupt */ + kFTM_ReloadInterruptEnable = (1U << 10) /*!< Reload interrupt; Available only on certain SoC's */ +} ftm_interrupt_enable_t; + +/*! + * @brief List of FTM flags + * @note Actual available flags are SoC-specific + */ +typedef enum _ftm_status_flags +{ + kFTM_Chnl0Flag = (1U << 0), /*!< Channel 0 Flag */ + kFTM_Chnl1Flag = (1U << 1), /*!< Channel 1 Flag */ + kFTM_Chnl2Flag = (1U << 2), /*!< Channel 2 Flag */ + kFTM_Chnl3Flag = (1U << 3), /*!< Channel 3 Flag */ + kFTM_Chnl4Flag = (1U << 4), /*!< Channel 4 Flag */ + kFTM_Chnl5Flag = (1U << 5), /*!< Channel 5 Flag */ + kFTM_Chnl6Flag = (1U << 6), /*!< Channel 6 Flag */ + kFTM_Chnl7Flag = (1U << 7), /*!< Channel 7 Flag */ + kFTM_FaultFlag = (1U << 8), /*!< Fault Flag */ + kFTM_TimeOverflowFlag = (1U << 9), /*!< Time overflow Flag */ + kFTM_ChnlTriggerFlag = (1U << 10), /*!< Channel trigger Flag */ + kFTM_ReloadFlag = (1U << 11) /*!< Reload Flag; Available only on certain SoC's */ +} ftm_status_flags_t; + +/*! + * @brief FTM configuration structure + * + * This structure holds the configuration settings for the FTM peripheral. To initialize this + * structure to reasonable defaults, call the FTM_GetDefaultConfig() function and pass a + * pointer to the configuration structure instance. + * + * The configuration structure can be made constant so as to reside in flash. + */ +typedef struct _ftm_config +{ + ftm_clock_prescale_t prescale; /*!< FTM clock prescale value */ + ftm_bdm_mode_t bdmMode; /*!< FTM behavior in BDM mode */ + uint32_t pwmSyncMode; /*!< Synchronization methods to use to update buffered registers; Multiple + update modes can be used by providing an OR'ed list of options + available in enumeration ::ftm_pwm_sync_method_t. */ + uint32_t reloadPoints; /*!< FTM reload points; When using this, the PWM + synchronization is not required. Multiple reload points can be used by providing + an OR'ed list of options available in + enumeration ::ftm_reload_point_t. */ + ftm_fault_mode_t faultMode; /*!< FTM fault control mode */ + uint8_t faultFilterValue; /*!< Fault input filter value */ + ftm_deadtime_prescale_t deadTimePrescale; /*!< The dead time prescalar value */ + uint8_t deadTimeValue; /*!< The dead time value */ + uint32_t extTriggers; /*!< External triggers to enable. Multiple trigger sources can be + enabled by providing an OR'ed list of options available in + enumeration ::ftm_external_trigger_t. */ + uint8_t chnlInitState; /*!< Defines the initialization value of the channels in OUTINT register */ + uint8_t chnlPolarity; /*!< Defines the output polarity of the channels in POL register */ + bool useGlobalTimeBase; /*!< True: Use of an external global time base is enabled; + False: disabled */ +} ftm_config_t; + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @name Initialization and deinitialization + * @{ + */ + +/*! + * @brief Ungates the FTM clock and configures the peripheral for basic operation. + * + * @note This API should be called at the beginning of the application using the FTM driver. + * + * @param base FTM peripheral base address + * @param config Pointer to the user configuration structure. + * + * @return kStatus_Success indicates success; Else indicates failure. + */ +status_t FTM_Init(FTM_Type *base, const ftm_config_t *config); + +/*! + * @brief Gates the FTM clock. + * + * @param base FTM peripheral base address + */ +void FTM_Deinit(FTM_Type *base); + +/*! + * @brief Fills in the FTM configuration structure with the default settings. + * + * The default values are: + * @code + * config->prescale = kFTM_Prescale_Divide_1; + * config->bdmMode = kFTM_BdmMode_0; + * config->pwmSyncMode = kFTM_SoftwareTrigger; + * config->reloadPoints = 0; + * config->faultMode = kFTM_Fault_Disable; + * config->faultFilterValue = 0; + * config->deadTimePrescale = kFTM_Deadtime_Prescale_1; + * config->deadTimeValue = 0; + * config->extTriggers = 0; + * config->chnlInitState = 0; + * config->chnlPolarity = 0; + * config->useGlobalTimeBase = false; + * @endcode + * @param config Pointer to the user configuration structure. + */ +void FTM_GetDefaultConfig(ftm_config_t *config); + +/*! @}*/ + +/*! + * @name Channel mode operations + * @{ + */ + +/*! + * @brief Configures the PWM signal parameters. + * + * Call this function to configure the PWM signal period, mode, duty cycle, and edge. Use this + * function to configure all FTM channels that are used to output a PWM signal. + * + * @param base FTM peripheral base address + * @param chnlParams Array of PWM channel parameters to configure the channel(s) + * @param numOfChnls Number of channels to configure; This should be the size of the array passed in + * @param mode PWM operation mode, options available in enumeration ::ftm_pwm_mode_t + * @param pwmFreq_Hz PWM signal frequency in Hz + * @param srcClock_Hz FTM counter clock in Hz + * + * @return kStatus_Success if the PWM setup was successful + * kStatus_Error on failure + */ +status_t FTM_SetupPwm(FTM_Type *base, + const ftm_chnl_pwm_signal_param_t *chnlParams, + uint8_t numOfChnls, + ftm_pwm_mode_t mode, + uint32_t pwmFreq_Hz, + uint32_t srcClock_Hz); + +/*! + * @brief Updates the duty cycle of an active PWM signal. + * + * @param base FTM peripheral base address + * @param chnlNumber The channel/channel pair number. In combined mode, this represents + * the channel pair number + * @param currentPwmMode The current PWM mode set during PWM setup + * @param dutyCyclePercent New PWM pulse width; The value should be between 0 to 100 + * 0=inactive signal(0% duty cycle)... + * 100=active signal (100% duty cycle) + */ +void FTM_UpdatePwmDutycycle(FTM_Type *base, + ftm_chnl_t chnlNumber, + ftm_pwm_mode_t currentPwmMode, + uint8_t dutyCyclePercent); + +/*! + * @brief Updates the edge level selection for a channel. + * + * @param base FTM peripheral base address + * @param chnlNumber The channel number + * @param level The level to be set to the ELSnB:ELSnA field; Valid values are 00, 01, 10, 11. + * See the Kinetis SoC reference manual for details about this field. + */ +void FTM_UpdateChnlEdgeLevelSelect(FTM_Type *base, ftm_chnl_t chnlNumber, uint8_t level); + +/*! + * @brief Enables capturing an input signal on the channel using the function parameters. + * + * When the edge specified in the captureMode argument occurs on the channel, the FTM counter is + * captured into the CnV register. The user has to read the CnV register separately to get this + * value. The filter function is disabled if the filterVal argument passed in is 0. The filter + * function is available only for channels 0, 1, 2, 3. + * + * @param base FTM peripheral base address + * @param chnlNumber The channel number + * @param captureMode Specifies which edge to capture + * @param filterValue Filter value, specify 0 to disable filter. Available only for channels 0-3. + */ +void FTM_SetupInputCapture(FTM_Type *base, + ftm_chnl_t chnlNumber, + ftm_input_capture_edge_t captureMode, + uint32_t filterValue); + +/*! + * @brief Configures the FTM to generate timed pulses. + * + * When the FTM counter matches the value of compareVal argument (this is written into CnV reg), + * the channel output is changed based on what is specified in the compareMode argument. + * + * @param base FTM peripheral base address + * @param chnlNumber The channel number + * @param compareMode Action to take on the channel output when the compare condition is met + * @param compareValue Value to be programmed in the CnV register. + */ +void FTM_SetupOutputCompare(FTM_Type *base, + ftm_chnl_t chnlNumber, + ftm_output_compare_mode_t compareMode, + uint32_t compareValue); + +/*! + * @brief Configures the dual edge capture mode of the FTM. + * + * This function sets up the dual edge capture mode on a channel pair. The capture edge for the + * channel pair and the capture mode (one-shot or continuous) is specified in the parameter + * argument. The filter function is disabled if the filterVal argument passed is zero. The filter + * function is available only on channels 0 and 2. The user has to read the channel CnV registers + * separately to get the capture values. + * + * @param base FTM peripheral base address + * @param chnlPairNumber The FTM channel pair number; options are 0, 1, 2, 3 + * @param edgeParam Sets up the dual edge capture function + * @param filterValue Filter value, specify 0 to disable filter. Available only for channel pair 0 and 1. + */ +void FTM_SetupDualEdgeCapture(FTM_Type *base, + ftm_chnl_t chnlPairNumber, + const ftm_dual_edge_capture_param_t *edgeParam, + uint32_t filterValue); + +/*! @}*/ + +/*! + * @brief Configures the parameters and activates the quadrature decoder mode. + * + * @param base FTM peripheral base address + * @param phaseAParams Phase A configuration parameters + * @param phaseBParams Phase B configuration parameters + * @param quadMode Selects encoding mode used in quadrature decoder mode + */ +void FTM_SetupQuadDecode(FTM_Type *base, + const ftm_phase_params_t *phaseAParams, + const ftm_phase_params_t *phaseBParams, + ftm_quad_decode_mode_t quadMode); + +/*! + * @brief Sets up the working of the FTM fault protection. + * + * FTM can have up to 4 fault inputs. This function sets up fault parameters, fault level, and a filter. + * + * @param base FTM peripheral base address + * @param faultNumber FTM fault to configure. + * @param faultParams Parameters passed in to set up the fault + */ +void FTM_SetupFault(FTM_Type *base, ftm_fault_input_t faultNumber, const ftm_fault_param_t *faultParams); + +/*! + * @name Interrupt Interface + * @{ + */ + +/*! + * @brief Enables the selected FTM interrupts. + * + * @param base FTM peripheral base address + * @param mask The interrupts to enable. This is a logical OR of members of the + * enumeration ::ftm_interrupt_enable_t + */ +void FTM_EnableInterrupts(FTM_Type *base, uint32_t mask); + +/*! + * @brief Disables the selected FTM interrupts. + * + * @param base FTM peripheral base address + * @param mask The interrupts to enable. This is a logical OR of members of the + * enumeration ::ftm_interrupt_enable_t + */ +void FTM_DisableInterrupts(FTM_Type *base, uint32_t mask); + +/*! + * @brief Gets the enabled FTM interrupts. + * + * @param base FTM peripheral base address + * + * @return The enabled interrupts. This is the logical OR of members of the + * enumeration ::ftm_interrupt_enable_t + */ +uint32_t FTM_GetEnabledInterrupts(FTM_Type *base); + +/*! @}*/ + +/*! + * @name Status Interface + * @{ + */ + +/*! + * @brief Gets the FTM status flags. + * + * @param base FTM peripheral base address + * + * @return The status flags. This is the logical OR of members of the + * enumeration ::ftm_status_flags_t + */ +uint32_t FTM_GetStatusFlags(FTM_Type *base); + +/*! + * @brief Clears the FTM status flags. + * + * @param base FTM peripheral base address + * @param mask The status flags to clear. This is a logical OR of members of the + * enumeration ::ftm_status_flags_t + */ +void FTM_ClearStatusFlags(FTM_Type *base, uint32_t mask); + +/*! @}*/ + +/*! + * @name Timer Start and Stop + * @{ + */ + +/*! + * @brief Starts the FTM counter. + * + * @param base FTM peripheral base address + * @param clockSource FTM clock source; After the clock source is set, the counter starts running. + */ +static inline void FTM_StartTimer(FTM_Type *base, ftm_clock_source_t clockSource) +{ + uint32_t reg = base->SC; + + reg &= ~(FTM_SC_CLKS_MASK); + reg |= FTM_SC_CLKS(clockSource); + base->SC = reg; +} + +/*! + * @brief Stops the FTM counter. + * + * @param base FTM peripheral base address + */ +static inline void FTM_StopTimer(FTM_Type *base) +{ + /* Set clock source to none to disable counter */ + base->SC &= ~(FTM_SC_CLKS_MASK); +} + +/*! @}*/ + +/*! + * @name Software output control + * @{ + */ + +/*! + * @brief Enables or disables the channel software output control. + * + * @param base FTM peripheral base address + * @param chnlNumber Channel to be enabled or disabled + * @param value true: channel output is affected by software output control + false: channel output is unaffected by software output control + */ +static inline void FTM_SetSoftwareCtrlEnable(FTM_Type *base, ftm_chnl_t chnlNumber, bool value) +{ + if (value) + { + base->SWOCTRL |= (1U << chnlNumber); + } + else + { + base->SWOCTRL &= ~(1U << chnlNumber); + } +} + +/*! + * @brief Sets the channel software output control value. + * + * @param base FTM peripheral base address. + * @param chnlNumber Channel to be configured + * @param value true to set 1, false to set 0 + */ +static inline void FTM_SetSoftwareCtrlVal(FTM_Type *base, ftm_chnl_t chnlNumber, bool value) +{ + if (value) + { + base->SWOCTRL |= (1U << (chnlNumber + FTM_SWOCTRL_CH0OCV_SHIFT)); + } + else + { + base->SWOCTRL &= ~(1U << (chnlNumber + FTM_SWOCTRL_CH0OCV_SHIFT)); + } +} + +/*! @}*/ + +/*! + * @brief Enables or disables the FTM global time base signal generation to other FTMs. + * + * @param base FTM peripheral base address + * @param enable true to enable, false to disable + */ +static inline void FTM_SetGlobalTimeBaseOutputEnable(FTM_Type *base, bool enable) +{ + if (enable) + { + base->CONF |= FTM_CONF_GTBEOUT_MASK; + } + else + { + base->CONF &= ~FTM_CONF_GTBEOUT_MASK; + } +} + +/*! + * @brief Sets the FTM peripheral timer channel output mask. + * + * @param base FTM peripheral base address + * @param chnlNumber Channel to be configured + * @param mask true: masked, channel is forced to its inactive state; false: unmasked + */ +static inline void FTM_SetOutputMask(FTM_Type *base, ftm_chnl_t chnlNumber, bool mask) +{ + if (mask) + { + base->OUTMASK |= (1U << chnlNumber); + } + else + { + base->OUTMASK &= ~(1U << chnlNumber); + } +} + +#if defined(FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) && (FSL_FEATURE_FTM_HAS_ENABLE_PWM_OUTPUT) +/*! + * @brief Allows user to enable an output on an FTM channel. + * + * To enable the PWM channel output call this function with val=true. For input mode, + * call this function with val=false. + * + * @param base FTM peripheral base address + * @param chnlNumber Channel to be configured + * @param value true: enable output; false: output is disabled, used in input mode + */ +static inline void FTM_SetPwmOutputEnable(FTM_Type *base, ftm_chnl_t chnlNumber, bool value) +{ + if (value) + { + base->SC |= (1U << (chnlNumber + FTM_SC_PWMEN0_SHIFT)); + } + else + { + base->SC &= ~(1U << (chnlNumber + FTM_SC_PWMEN0_SHIFT)); + } +} +#endif + +/*! + * @name Channel pair operations + * @{ + */ + +/*! + * @brief This function enables/disables the fault control in a channel pair. + * + * @param base FTM peripheral base address + * @param chnlPairNumber The FTM channel pair number; options are 0, 1, 2, 3 + * @param value true: Enable fault control for this channel pair; false: No fault control + */ +static inline void FTM_SetFaultControlEnable(FTM_Type *base, ftm_chnl_t chnlPairNumber, bool value) +{ + if (value) + { + base->COMBINE |= (1U << (FTM_COMBINE_FAULTEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + } + else + { + base->COMBINE &= ~(1U << (FTM_COMBINE_FAULTEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + } +} + +/*! + * @brief This function enables/disables the dead time insertion in a channel pair. + * + * @param base FTM peripheral base address + * @param chnlPairNumber The FTM channel pair number; options are 0, 1, 2, 3 + * @param value true: Insert dead time in this channel pair; false: No dead time inserted + */ +static inline void FTM_SetDeadTimeEnable(FTM_Type *base, ftm_chnl_t chnlPairNumber, bool value) +{ + if (value) + { + base->COMBINE |= (1U << (FTM_COMBINE_DTEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + } + else + { + base->COMBINE &= ~(1U << (FTM_COMBINE_DTEN0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + } +} + +/*! + * @brief This function enables/disables complementary mode in a channel pair. + * + * @param base FTM peripheral base address + * @param chnlPairNumber The FTM channel pair number; options are 0, 1, 2, 3 + * @param value true: enable complementary mode; false: disable complementary mode + */ +static inline void FTM_SetComplementaryEnable(FTM_Type *base, ftm_chnl_t chnlPairNumber, bool value) +{ + if (value) + { + base->COMBINE |= (1U << (FTM_COMBINE_COMP0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + } + else + { + base->COMBINE &= ~(1U << (FTM_COMBINE_COMP0_SHIFT + (FTM_COMBINE_COMBINE1_SHIFT * chnlPairNumber))); + } +} + +/*! + * @brief This function enables/disables inverting control in a channel pair. + * + * @param base FTM peripheral base address + * @param chnlPairNumber The FTM channel pair number; options are 0, 1, 2, 3 + * @param value true: enable inverting; false: disable inverting + */ +static inline void FTM_SetInvertEnable(FTM_Type *base, ftm_chnl_t chnlPairNumber, bool value) +{ + if (value) + { + base->INVCTRL |= (1U << chnlPairNumber); + } + else + { + base->INVCTRL &= ~(1U << chnlPairNumber); + } +} + +/*! @}*/ + +/*! + * @brief Enables or disables the FTM software trigger for PWM synchronization. + * + * @param base FTM peripheral base address + * @param enable true: software trigger is selected, false: software trigger is not selected + */ +static inline void FTM_SetSoftwareTrigger(FTM_Type *base, bool enable) +{ + if (enable) + { + base->SYNC |= FTM_SYNC_SWSYNC_MASK; + } + else + { + base->SYNC &= ~FTM_SYNC_SWSYNC_MASK; + } +} + +/*! + * @brief Enables or disables the FTM write protection. + * + * @param base FTM peripheral base address + * @param enable true: Write-protection is enabled, false: Write-protection is disabled + */ +static inline void FTM_SetWriteProtection(FTM_Type *base, bool enable) +{ + /* Configure write protection */ + if (enable) + { + base->FMS |= FTM_FMS_WPEN_MASK; + } + else + { + base->MODE |= FTM_MODE_WPDIS_MASK; + } +} + +#if defined(__cplusplus) +} +#endif + +/*! @}*/ + +#endif /* _FSL_FTM_H_*/ http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.c ---------------------------------------------------------------------- diff --git a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.c b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.c new file mode 100644 index 0000000..8fc068f --- /dev/null +++ b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.c @@ -0,0 +1,179 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * 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 Freescale Semiconductor, Inc. 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. + */ + +#include "fsl_gpio.h" + +/******************************************************************************* + * Variables + ******************************************************************************/ +static PORT_Type *const s_portBases[] = PORT_BASE_PTRS; +static GPIO_Type *const s_gpioBases[] = GPIO_BASE_PTRS; + +/******************************************************************************* +* Prototypes +******************************************************************************/ + +/*! +* @brief Gets the GPIO instance according to the GPIO base +* +* @param base GPIO peripheral base pointer(PTA, PTB, PTC, etc.) +* @retval GPIO instance +*/ +static uint32_t GPIO_GetInstance(GPIO_Type *base); + +/******************************************************************************* + * Code + ******************************************************************************/ + +static uint32_t GPIO_GetInstance(GPIO_Type *base) +{ + uint32_t instance; + + /* Find the instance index from base address mappings. */ + for (instance = 0; instance < FSL_FEATURE_SOC_GPIO_COUNT; instance++) + { + if (s_gpioBases[instance] == base) + { + break; + } + } + + assert(instance < FSL_FEATURE_SOC_GPIO_COUNT); + + return instance; +} + +void GPIO_PinInit(GPIO_Type *base, uint32_t pin, const gpio_pin_config_t *config) +{ + assert(config); + + if (config->pinDirection == kGPIO_DigitalInput) + { + base->PDDR &= ~(1U << pin); + } + else + { + GPIO_WritePinOutput(base, pin, config->outputLogic); + base->PDDR |= (1U << pin); + } +} + +uint32_t GPIO_GetPinsInterruptFlags(GPIO_Type *base) +{ + uint8_t instance; + PORT_Type *portBase; + instance = GPIO_GetInstance(base); + portBase = s_portBases[instance]; + return portBase->ISFR; +} + +void GPIO_ClearPinsInterruptFlags(GPIO_Type *base, uint32_t mask) +{ + uint8_t instance; + PORT_Type *portBase; + instance = GPIO_GetInstance(base); + portBase = s_portBases[instance]; + portBase->ISFR = mask; +} + +#if defined(FSL_FEATURE_SOC_FGPIO_COUNT) && FSL_FEATURE_SOC_FGPIO_COUNT + +/******************************************************************************* + * Variables + ******************************************************************************/ +static FGPIO_Type *const s_fgpioBases[] = FGPIO_BASE_PTRS; + +/******************************************************************************* +* Prototypes +******************************************************************************/ +/*! +* @brief Gets the FGPIO instance according to the GPIO base +* +* @param base FGPIO peripheral base pointer(PTA, PTB, PTC, etc.) +* @retval FGPIO instance +*/ +static uint32_t FGPIO_GetInstance(FGPIO_Type *base); + +/******************************************************************************* + * Code + ******************************************************************************/ + +static uint32_t FGPIO_GetInstance(FGPIO_Type *base) +{ + uint32_t instance; + + /* Find the instance index from base address mappings. */ + for (instance = 0; instance < FSL_FEATURE_SOC_FGPIO_COUNT; instance++) + { + if (s_fgpioBases[instance] == base) + { + break; + } + } + + assert(instance < FSL_FEATURE_SOC_FGPIO_COUNT); + + return instance; +} + +void FGPIO_PinInit(FGPIO_Type *base, uint32_t pin, const gpio_pin_config_t *config) +{ + assert(config); + + if (config->pinDirection == kGPIO_DigitalInput) + { + base->PDDR &= ~(1U << pin); + } + else + { + FGPIO_WritePinOutput(base, pin, config->outputLogic); + base->PDDR |= (1U << pin); + } +} + +uint32_t FGPIO_GetPinsInterruptFlags(FGPIO_Type *base) +{ + uint8_t instance; + instance = FGPIO_GetInstance(base); + PORT_Type *portBase; + portBase = s_portBases[instance]; + return portBase->ISFR; +} + +void FGPIO_ClearPinsInterruptFlags(FGPIO_Type *base, uint32_t mask) +{ + uint8_t instance; + instance = FGPIO_GetInstance(base); + PORT_Type *portBase; + portBase = s_portBases[instance]; + portBase->ISFR = mask; +} + +#endif /* FSL_FEATURE_SOC_FGPIO_COUNT */ http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.h ---------------------------------------------------------------------- diff --git a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.h b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.h new file mode 100644 index 0000000..6eaaaa0 --- /dev/null +++ b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/drivers/fsl_gpio.h @@ -0,0 +1,390 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * 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 Freescale Semiconductor, Inc. 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 SDRVL 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_GPIO_H_ +#define _FSL_GPIO_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup gpio + * @{ + */ + +/*! @file */ + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief GPIO driver version 2.1.0. */ +#define FSL_GPIO_DRIVER_VERSION (MAKE_VERSION(2, 1, 0)) +/*@}*/ + +/*! @brief GPIO direction definition*/ +typedef enum _gpio_pin_direction +{ + kGPIO_DigitalInput = 0U, /*!< Set current pin as digital input*/ + kGPIO_DigitalOutput = 1U, /*!< Set current pin as digital output*/ +} gpio_pin_direction_t; + +/*! + * @brief The GPIO pin configuration structure. + * + * Every pin can only be configured as either output pin or input pin at a time. + * If configured as a input pin, then leave the outputConfig unused + * Note : In some cases, the corresponding port property should be configured in advance + * with the PORT_SetPinConfig() + */ +typedef struct _gpio_pin_config +{ + gpio_pin_direction_t pinDirection; /*!< gpio direction, input or output */ + /* Output configurations, please ignore if configured as a input one */ + uint8_t outputLogic; /*!< Set default output logic, no use in input */ +} gpio_pin_config_t; + +/*! @} */ + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @addtogroup gpio_driver + * @{ + */ + +/*! @name GPIO Configuration */ +/*@{*/ + +/*! + * @brief Initializes a GPIO pin used by the board. + * + * To initialize the GPIO, define a pin configuration, either input or output, in the user file. + * Then, call the GPIO_PinInit() function. + * + * This is an example to define an input pin or output pin configuration: + * @code + * // Define a digital input pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalInput, + * 0, + * } + * //Define a digital output pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalOutput, + * 0, + * } + * @endcode + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin GPIO port pin number + * @param config GPIO pin configuration pointer + */ +void GPIO_PinInit(GPIO_Type *base, uint32_t pin, const gpio_pin_config_t *config); + +/*@}*/ + +/*! @name GPIO Output Operations */ +/*@{*/ + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1 or 0. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin GPIO pin's number + * @param output GPIO pin output logic level. + * - 0: corresponding pin output low logic level. + * - 1: corresponding pin output high logic level. + */ +static inline void GPIO_WritePinOutput(GPIO_Type *base, uint32_t pin, uint8_t output) +{ + if (output == 0U) + { + base->PCOR = 1 << pin; + } + else + { + base->PSOR = 1 << pin; + } +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 1. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pins' numbers macro + */ +static inline void GPIO_SetPinsOutput(GPIO_Type *base, uint32_t mask) +{ + base->PSOR = mask; +} + +/*! + * @brief Sets the output level of the multiple GPIO pins to the logic 0. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pins' numbers macro + */ +static inline void GPIO_ClearPinsOutput(GPIO_Type *base, uint32_t mask) +{ + base->PCOR = mask; +} + +/*! + * @brief Reverses current output logic of the multiple GPIO pins. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pins' numbers macro + */ +static inline void GPIO_TogglePinsOutput(GPIO_Type *base, uint32_t mask) +{ + base->PTOR = mask; +} +/*@}*/ + +/*! @name GPIO Input Operations */ +/*@{*/ + +/*! + * @brief Reads the current input value of the whole GPIO port. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin GPIO pin's number + * @retval GPIO port input value + * - 0: corresponding pin input low logic level. + * - 1: corresponding pin input high logic level. + */ +static inline uint32_t GPIO_ReadPinInput(GPIO_Type *base, uint32_t pin) +{ + return (((base->PDIR) >> pin) & 0x01U); +} +/*@}*/ + +/*! @name GPIO Interrupt */ +/*@{*/ + +/*! + * @brief Reads whole GPIO port interrupt status flag. + * + * If a pin is configured to generate the DMA request, the corresponding flag + * is cleared automatically at the completion of the requested DMA transfer. + * Otherwise, the flag remains set until a logic one is written to that flag. + * If configured for a level sensitive interrupt that remains asserted, the flag + * is set again immediately. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @retval Current GPIO port interrupt status flag, for example, 0x00010001 means the + * pin 0 and 17 have the interrupt. + */ +uint32_t GPIO_GetPinsInterruptFlags(GPIO_Type *base); + +/*! + * @brief Clears multiple GPIO pins' interrupt status flag. + * + * @param base GPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask GPIO pins' numbers macro + */ +void GPIO_ClearPinsInterruptFlags(GPIO_Type *base, uint32_t mask); + +/*@}*/ +/*! @} */ + +/*! + * @addtogroup fgpio_driver + * @{ + */ + +/* + * Introduce the FGPIO feature. + * + * The FGPIO features are only support on some of Kinetis chips. The FGPIO registers are aliased to the IOPORT + * interface. Accesses via the IOPORT interface occur in parallel with any instruction fetches and will therefore + * complete in a single cycle. This aliased Fast GPIO memory map is called FGPIO. + */ + +#if defined(FSL_FEATURE_SOC_FGPIO_COUNT) && FSL_FEATURE_SOC_FGPIO_COUNT + +/*! @name FGPIO Configuration */ +/*@{*/ + +/*! + * @brief Initializes a FGPIO pin used by the board. + * + * To initialize the FGPIO driver, define a pin configuration, either input or output, in the user file. + * Then, call the FGPIO_PinInit() function. + * + * This is an example to define an input pin or output pin configuration: + * @code + * // Define a digital input pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalInput, + * 0, + * } + * //Define a digital output pin configuration, + * gpio_pin_config_t config = + * { + * kGPIO_DigitalOutput, + * 0, + * } + * @endcode + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin FGPIO port pin number + * @param config FGPIO pin configuration pointer + */ +void FGPIO_PinInit(FGPIO_Type *base, uint32_t pin, const gpio_pin_config_t *config); + +/*@}*/ + +/*! @name FGPIO Output Operations */ +/*@{*/ + +/*! + * @brief Sets the output level of the multiple FGPIO pins to the logic 1 or 0. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin FGPIO pin's number + * @param output FGPIOpin output logic level. + * - 0: corresponding pin output low logic level. + * - 1: corresponding pin output high logic level. + */ +static inline void FGPIO_WritePinOutput(FGPIO_Type *base, uint32_t pin, uint8_t output) +{ + if (output == 0U) + { + base->PCOR = 1 << pin; + } + else + { + base->PSOR = 1 << pin; + } +} + +/*! + * @brief Sets the output level of the multiple FGPIO pins to the logic 1. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pins' numbers macro + */ +static inline void FGPIO_SetPinsOutput(FGPIO_Type *base, uint32_t mask) +{ + base->PSOR = mask; +} + +/*! + * @brief Sets the output level of the multiple FGPIO pins to the logic 0. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pins' numbers macro + */ +static inline void FGPIO_ClearPinsOutput(FGPIO_Type *base, uint32_t mask) +{ + base->PCOR = mask; +} + +/*! + * @brief Reverses current output logic of the multiple FGPIO pins. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pins' numbers macro + */ +static inline void FGPIO_TogglePinsOutput(FGPIO_Type *base, uint32_t mask) +{ + base->PTOR = mask; +} +/*@}*/ + +/*! @name FGPIO Input Operations */ +/*@{*/ + +/*! + * @brief Reads the current input value of the whole FGPIO port. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param pin FGPIO pin's number + * @retval FGPIO port input value + * - 0: corresponding pin input low logic level. + * - 1: corresponding pin input high logic level. + */ +static inline uint32_t FGPIO_ReadPinInput(FGPIO_Type *base, uint32_t pin) +{ + return (((base->PDIR) >> pin) & 0x01U); +} +/*@}*/ + +/*! @name FGPIO Interrupt */ +/*@{*/ + +/*! + * @brief Reads the whole FGPIO port interrupt status flag. + * + * If a pin is configured to generate the DMA request, the corresponding flag + * is cleared automatically at the completion of the requested DMA transfer. + * Otherwise, the flag remains set until a logic one is written to that flag. + * If configured for a level sensitive interrupt that remains asserted, the flag + * is set again immediately. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @retval Current FGPIO port interrupt status flags, for example, 0x00010001 means the + * pin 0 and 17 have the interrupt. + */ +uint32_t FGPIO_GetPinsInterruptFlags(FGPIO_Type *base); + +/*! + * @brief Clears the multiple FGPIO pins' interrupt status flag. + * + * @param base FGPIO peripheral base pointer(GPIOA, GPIOB, GPIOC, and so on.) + * @param mask FGPIO pins' numbers macro + */ +void FGPIO_ClearPinsInterruptFlags(FGPIO_Type *base, uint32_t mask); + +/*@}*/ + +#endif /* FSL_FEATURE_SOC_FGPIO_COUNT */ + +#if defined(__cplusplus) +} +#endif + +/*! + * @} + */ + +#endif /* _FSL_GPIO_H_*/
