| /* |
| * 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; |
| } |