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- /*
- * Copyright (c) 2016, 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_tsc.h"
- /*******************************************************************************
- * Prototypes
- ******************************************************************************/
- /*!
- * @brief Get instance number for TSC module.
- *
- * @param base TSC peripheral base address
- */
- static uint32_t TSC_GetInstance(TSC_Type *base);
- /*******************************************************************************
- * Variables
- ******************************************************************************/
- /*! @brief Pointers to TSC bases for each instance. */
- static TSC_Type *const s_tscBases[] = TSC_BASE_PTRS;
- /*! @brief Pointers to ADC clocks for each instance. */
- static const clock_ip_name_t s_tscClocks[] = TSC_CLOCKS;
- /*******************************************************************************
- * Code
- ******************************************************************************/
- static uint32_t TSC_GetInstance(TSC_Type *base)
- {
- uint32_t instance;
- /* Find the instance index from base address mappings. */
- for (instance = 0; instance < ARRAY_SIZE(s_tscBases); instance++)
- {
- if (s_tscBases[instance] == base)
- {
- break;
- }
- }
- assert(instance < ARRAY_SIZE(s_tscBases));
- return instance;
- }
- void TSC_Init(TSC_Type *base, const tsc_config_t *config)
- {
- assert(NULL != config);
- assert(config->measureDelayTime <= 0xFFFFFFU);
- uint32_t tmp32;
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /* Enable the TSC clock. */
- CLOCK_EnableClock(s_tscClocks[TSC_GetInstance(base)]);
- #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
- /* Configure TSC_BASIC_SETTING register. */
- tmp32 = TSC_BASIC_SETTING_MEASURE_DELAY_TIME(config->measureDelayTime) |
- TSC_BASIC_SETTING__4_5_WIRE(config->detectionMode);
- if (config->enableAutoMeasure)
- {
- tmp32 |= TSC_BASIC_SETTING_AUTO_MEASURE_MASK;
- }
- base->BASIC_SETTING = tmp32;
- /* Configure TSC_PS_INPUT_BUFFER_ADDR register. */
- base->PS_INPUT_BUFFER_ADDR = TSC_PS_INPUT_BUFFER_ADDR_PRE_CHARGE_TIME(config->prechargeTime);
- }
- void TSC_Deinit(TSC_Type *base)
- {
- #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
- /* Disable the TSC clcok. */
- CLOCK_DisableClock(s_tscClocks[TSC_GetInstance(base)]);
- #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
- }
- void TSC_GetDefaultConfig(tsc_config_t *config)
- {
- config->enableAutoMeasure = false;
- config->measureDelayTime = 0xFFFFU;
- config->prechargeTime = 0xFFFFU;
- config->detectionMode = kTSC_Detection4WireMode;
- }
- uint32_t TSC_GetMeasureValue(TSC_Type *base, tsc_corrdinate_value_selection_t selection)
- {
- uint32_t tmp32 = 0U;
- if (selection == kTSC_XCoordinateValueSelection)
- {
- tmp32 = ((base->MEASEURE_VALUE) & TSC_MEASEURE_VALUE_X_VALUE_MASK) >> TSC_MEASEURE_VALUE_X_VALUE_SHIFT;
- }
- else if (selection == kTSC_YCoordinateValueSelection)
- {
- tmp32 = ((base->MEASEURE_VALUE) & TSC_MEASEURE_VALUE_Y_VALUE_MASK) >> TSC_MEASEURE_VALUE_Y_VALUE_SHIFT;
- }
- else
- {
- }
- return tmp32;
- }
- void TSC_DebugTriggerSignalToADC(TSC_Type *base, tsc_trigger_signal_t hwts, bool enable)
- {
- if (enable)
- {
- /* TSC_DEBUG_MODE_EXT_HWTS field should be writed before writing TSC_DEBUG_MODE_TRIGGER field.
- If the two fields are writed at the same time, the trigger couldn't work as expect. */
- base->DEBUG_MODE &= ~TSC_DEBUG_MODE_EXT_HWTS_MASK;
- base->DEBUG_MODE |= TSC_DEBUG_MODE_EXT_HWTS(hwts);
- base->DEBUG_MODE |= TSC_DEBUG_MODE_TRIGGER_MASK;
- }
- else
- {
- base->DEBUG_MODE &= ~TSC_DEBUG_MODE_TRIGGER_MASK;
- }
- }
- void TSC_DebugEnableDetection(TSC_Type *base, tsc_detection_mode_t detectionMode, bool enable)
- {
- if (detectionMode == kTSC_Detection4WireMode)
- {
- if (enable)
- {
- base->DEBUG_MODE2 |= TSC_DEBUG_MODE2_DETECT_ENABLE_FOUR_WIRE_MASK;
- }
- else
- {
- base->DEBUG_MODE2 &= ~TSC_DEBUG_MODE2_DETECT_ENABLE_FOUR_WIRE_MASK;
- }
- }
- else if (detectionMode == kTSC_Detection5WireMode)
- {
- if (enable)
- {
- base->DEBUG_MODE2 |= TSC_DEBUG_MODE2_DETECT_ENABLE_FIVE_WIRE_MASK;
- }
- else
- {
- base->DEBUG_MODE2 &= ~TSC_DEBUG_MODE2_DETECT_ENABLE_FIVE_WIRE_MASK;
- }
- }
- else
- {
- }
- }
- void TSC_DebugSetPortMode(TSC_Type *base, tsc_port_source_t port, tsc_port_mode_t mode)
- {
- uint32_t tmp32;
- tmp32 = base->DEBUG_MODE2;
- switch (port)
- {
- case kTSC_WiperPortSource:
- tmp32 &= ~(TSC_DEBUG_MODE2_WIPER_200K_PULL_UP_MASK | TSC_DEBUG_MODE2_WIPER_PULL_UP_MASK |
- TSC_DEBUG_MODE2_WIPER_PULL_DOWN_MASK);
- tmp32 |= ((uint32_t)mode << TSC_DEBUG_MODE2_WIPER_PULL_DOWN_SHIFT);
- break;
- case kTSC_YnlrPortSource:
- tmp32 &= ~(TSC_DEBUG_MODE2_YNLR_200K_PULL_UP_MASK | TSC_DEBUG_MODE2_YNLR_PULL_UP_MASK |
- TSC_DEBUG_MODE2_YNLR_PULL_DOWN_MASK);
- tmp32 |= ((uint32_t)mode << TSC_DEBUG_MODE2_YNLR_PULL_DOWN_SHIFT);
- break;
- case kTSC_YpllPortSource:
- tmp32 &= ~(TSC_DEBUG_MODE2_YPLL_200K_PULL_UP_MASK | TSC_DEBUG_MODE2_YPLL_PULL_UP_MASK |
- TSC_DEBUG_MODE2_YPLL_PULL_DOWN_MASK);
- tmp32 |= ((uint32_t)mode << TSC_DEBUG_MODE2_YPLL_PULL_DOWN_SHIFT);
- break;
- case kTSC_XnurPortSource:
- tmp32 &= ~(TSC_DEBUG_MODE2_XNUR_200K_PULL_UP_MASK | TSC_DEBUG_MODE2_XNUR_PULL_UP_MASK |
- TSC_DEBUG_MODE2_XNUR_PULL_DOWN_MASK);
- tmp32 |= ((uint32_t)mode << TSC_DEBUG_MODE2_XNUR_PULL_DOWN_SHIFT);
- break;
- case kTSC_XpulPortSource:
- tmp32 &= ~(TSC_DEBUG_MODE2_XPUL_200K_PULL_UP_MASK | TSC_DEBUG_MODE2_XPUL_PULL_UP_MASK |
- TSC_DEBUG_MODE2_XPUL_PULL_DOWN_MASK);
- tmp32 |= ((uint32_t)mode << TSC_DEBUG_MODE2_XPUL_PULL_DOWN_SHIFT);
- break;
- default:
- break;
- }
- base->DEBUG_MODE2 = tmp32;
- }
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