diff options
Diffstat (limited to 'drivers/fsl_cmp.c')
-rw-r--r-- | drivers/fsl_cmp.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/drivers/fsl_cmp.c b/drivers/fsl_cmp.c deleted file mode 100644 index 6a5f15a..0000000 --- a/drivers/fsl_cmp.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * Copyright (c) 2015, Freescale Semiconductor, Inc. - * Copyright 2016-2017 NXP - * - * 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 the 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. - */ - -#include "fsl_cmp.h" - -/******************************************************************************* - * Prototypes - ******************************************************************************/ -/*! - * @brief Get instance number for CMP module. - * - * @param base CMP peripheral base address - */ -static uint32_t CMP_GetInstance(CMP_Type *base); - -/******************************************************************************* - * Variables - ******************************************************************************/ -/*! @brief Pointers to CMP bases for each instance. */ -static CMP_Type *const s_cmpBases[] = CMP_BASE_PTRS; -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) -/*! @brief Pointers to CMP clocks for each instance. */ -static const clock_ip_name_t s_cmpClocks[] = CMP_CLOCKS; -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ - -/******************************************************************************* - * Codes - ******************************************************************************/ -static uint32_t CMP_GetInstance(CMP_Type *base) -{ - uint32_t instance; - - /* Find the instance index from base address mappings. */ - for (instance = 0; instance < ARRAY_SIZE(s_cmpBases); instance++) - { - if (s_cmpBases[instance] == base) - { - break; - } - } - - assert(instance < ARRAY_SIZE(s_cmpBases)); - - return instance; -} - -void CMP_Init(CMP_Type *base, const cmp_config_t *config) -{ - assert(NULL != config); - - uint8_t tmp8; - -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) - /* Enable the clock. */ - CLOCK_EnableClock(s_cmpClocks[CMP_GetInstance(base)]); -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ - - /* Configure. */ - CMP_Enable(base, false); /* Disable the CMP module during configuring. */ - /* CMPx_CR1. */ - tmp8 = base->CR1 & ~(CMP_CR1_PMODE_MASK | CMP_CR1_INV_MASK | CMP_CR1_COS_MASK | CMP_CR1_OPE_MASK); - if (config->enableHighSpeed) - { - tmp8 |= CMP_CR1_PMODE_MASK; - } - if (config->enableInvertOutput) - { - tmp8 |= CMP_CR1_INV_MASK; - } - if (config->useUnfilteredOutput) - { - tmp8 |= CMP_CR1_COS_MASK; - } - if (config->enablePinOut) - { - tmp8 |= CMP_CR1_OPE_MASK; - } -#if defined(FSL_FEATURE_CMP_HAS_TRIGGER_MODE) && FSL_FEATURE_CMP_HAS_TRIGGER_MODE - if (config->enableTriggerMode) - { - tmp8 |= CMP_CR1_TRIGM_MASK; - } - else - { - tmp8 &= ~CMP_CR1_TRIGM_MASK; - } -#endif /* FSL_FEATURE_CMP_HAS_TRIGGER_MODE */ - base->CR1 = tmp8; - - /* CMPx_CR0. */ - tmp8 = base->CR0 & ~CMP_CR0_HYSTCTR_MASK; - tmp8 |= CMP_CR0_HYSTCTR(config->hysteresisMode); - base->CR0 = tmp8; - - CMP_Enable(base, config->enableCmp); /* Enable the CMP module after configured or not. */ -} - -void CMP_Deinit(CMP_Type *base) -{ - /* Disable the CMP module. */ - CMP_Enable(base, false); - -#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) - /* Disable the clock. */ - CLOCK_DisableClock(s_cmpClocks[CMP_GetInstance(base)]); -#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ -} - -void CMP_GetDefaultConfig(cmp_config_t *config) -{ - assert(NULL != config); - - config->enableCmp = true; /* Enable the CMP module after initialization. */ - config->hysteresisMode = kCMP_HysteresisLevel0; - config->enableHighSpeed = false; - config->enableInvertOutput = false; - config->useUnfilteredOutput = false; - config->enablePinOut = false; -#if defined(FSL_FEATURE_CMP_HAS_TRIGGER_MODE) && FSL_FEATURE_CMP_HAS_TRIGGER_MODE - config->enableTriggerMode = false; -#endif /* FSL_FEATURE_CMP_HAS_TRIGGER_MODE */ -} - -void CMP_SetInputChannels(CMP_Type *base, uint8_t positiveChannel, uint8_t negativeChannel) -{ - uint8_t tmp8 = base->MUXCR; - - tmp8 &= ~(CMP_MUXCR_PSEL_MASK | CMP_MUXCR_MSEL_MASK); - tmp8 |= CMP_MUXCR_PSEL(positiveChannel) | CMP_MUXCR_MSEL(negativeChannel); - base->MUXCR = tmp8; -} - -#if defined(FSL_FEATURE_CMP_HAS_DMA) && FSL_FEATURE_CMP_HAS_DMA -void CMP_EnableDMA(CMP_Type *base, bool enable) -{ - uint8_t tmp8 = base->SCR & ~(CMP_SCR_CFR_MASK | CMP_SCR_CFF_MASK); /* To avoid change the w1c bits. */ - - if (enable) - { - tmp8 |= CMP_SCR_DMAEN_MASK; - } - else - { - tmp8 &= ~CMP_SCR_DMAEN_MASK; - } - base->SCR = tmp8; -} -#endif /* FSL_FEATURE_CMP_HAS_DMA */ - -void CMP_SetFilterConfig(CMP_Type *base, const cmp_filter_config_t *config) -{ - assert(NULL != config); - - uint8_t tmp8; - -#if defined(FSL_FEATURE_CMP_HAS_EXTERNAL_SAMPLE_SUPPORT) && FSL_FEATURE_CMP_HAS_EXTERNAL_SAMPLE_SUPPORT - /* Choose the clock source for sampling. */ - if (config->enableSample) - { - base->CR1 |= CMP_CR1_SE_MASK; /* Choose the external SAMPLE clock. */ - } - else - { - base->CR1 &= ~CMP_CR1_SE_MASK; /* Choose the internal divided bus clock. */ - } -#endif /* FSL_FEATURE_CMP_HAS_EXTERNAL_SAMPLE_SUPPORT */ - /* Set the filter count. */ - tmp8 = base->CR0 & ~CMP_CR0_FILTER_CNT_MASK; - tmp8 |= CMP_CR0_FILTER_CNT(config->filterCount); - base->CR0 = tmp8; - /* Set the filter period. It is used as the divider to bus clock. */ - base->FPR = CMP_FPR_FILT_PER(config->filterPeriod); -} - -void CMP_SetDACConfig(CMP_Type *base, const cmp_dac_config_t *config) -{ - uint8_t tmp8 = 0U; - - if (NULL == config) - { - /* Passing "NULL" as input parameter means no available configuration. So the DAC feature is disabled.*/ - base->DACCR = 0U; - return; - } - /* CMPx_DACCR. */ - tmp8 |= CMP_DACCR_DACEN_MASK; /* Enable the internal DAC. */ - if (kCMP_VrefSourceVin2 == config->referenceVoltageSource) - { - tmp8 |= CMP_DACCR_VRSEL_MASK; - } - tmp8 |= CMP_DACCR_VOSEL(config->DACValue); - - base->DACCR = tmp8; -} - -void CMP_EnableInterrupts(CMP_Type *base, uint32_t mask) -{ - uint8_t tmp8 = base->SCR & ~(CMP_SCR_CFR_MASK | CMP_SCR_CFF_MASK); /* To avoid change the w1c bits. */ - - if (0U != (kCMP_OutputRisingInterruptEnable & mask)) - { - tmp8 |= CMP_SCR_IER_MASK; - } - if (0U != (kCMP_OutputFallingInterruptEnable & mask)) - { - tmp8 |= CMP_SCR_IEF_MASK; - } - base->SCR = tmp8; -} - -void CMP_DisableInterrupts(CMP_Type *base, uint32_t mask) -{ - uint8_t tmp8 = base->SCR & ~(CMP_SCR_CFR_MASK | CMP_SCR_CFF_MASK); /* To avoid change the w1c bits. */ - - if (0U != (kCMP_OutputRisingInterruptEnable & mask)) - { - tmp8 &= ~CMP_SCR_IER_MASK; - } - if (0U != (kCMP_OutputFallingInterruptEnable & mask)) - { - tmp8 &= ~CMP_SCR_IEF_MASK; - } - base->SCR = tmp8; -} - -uint32_t CMP_GetStatusFlags(CMP_Type *base) -{ - uint32_t ret32 = 0U; - - if (0U != (CMP_SCR_CFR_MASK & base->SCR)) - { - ret32 |= kCMP_OutputRisingEventFlag; - } - if (0U != (CMP_SCR_CFF_MASK & base->SCR)) - { - ret32 |= kCMP_OutputFallingEventFlag; - } - if (0U != (CMP_SCR_COUT_MASK & base->SCR)) - { - ret32 |= kCMP_OutputAssertEventFlag; - } - return ret32; -} - -void CMP_ClearStatusFlags(CMP_Type *base, uint32_t mask) -{ - uint8_t tmp8 = base->SCR & ~(CMP_SCR_CFR_MASK | CMP_SCR_CFF_MASK); /* To avoid change the w1c bits. */ - - if (0U != (kCMP_OutputRisingEventFlag & mask)) - { - tmp8 |= CMP_SCR_CFR_MASK; - } - if (0U != (kCMP_OutputFallingEventFlag & mask)) - { - tmp8 |= CMP_SCR_CFF_MASK; - } - base->SCR = tmp8; -} |