diff options
Diffstat (limited to 'bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_tsc.c')
| -rw-r--r-- | bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_tsc.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_tsc.c b/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_tsc.c new file mode 100644 index 0000000000..403f661fa6 --- /dev/null +++ b/bsps/arm/imxrt/nxp/devices/MIMXRT1052/drivers/fsl_tsc.c @@ -0,0 +1,260 @@ +/* + * Copyright (c) 2016, Freescale Semiconductor, Inc. + * Copyright 2016-2019 NXP + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include "fsl_tsc.h" + +/* Component ID definition, used by tools. */ +#ifndef FSL_COMPONENT_ID +#define FSL_COMPONENT_ID "platform.drivers.tsc" +#endif + +/******************************************************************************* + * 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; + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/*! @brief Pointers to ADC clocks for each instance. */ +static const clock_ip_name_t s_tscClocks[] = TSC_CLOCKS; +#endif + +/******************************************************************************* + * 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; +} + +/*! + * brief Initialize the TSC module. + * + * param base TSC peripheral base address. + * param config Pointer to "tsc_config_t" structure. + */ +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->PRE_CHARGE_TIME = TSC_PRE_CHARGE_TIME_PRE_CHARGE_TIME(config->prechargeTime); +} + +/*! + * brief De-initializes the TSC module. + * + * param base TSC peripheral base address. + */ +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 */ +} + +/*! + * brief Gets an available pre-defined settings for the controller's configuration. + * + * This function initializes the converter configuration structure with available settings. + * The default values of measureDelayTime and prechargeTime is tested on LCD8000-43T screen and work normally. + * The default values are: + * code + * config->enableAutoMeausre = false; + * config->measureDelayTime = 0xFFFFU; + * config->prechargeTime = 0xFFFFU; + * config->detectionMode = kTSC_4WireDetectionMode; + * endCode + * param config Pointer to "tsc_config_t" structure. + */ +void TSC_GetDefaultConfig(tsc_config_t *config) +{ + /* Initializes the configure structure to zero. */ + (void)memset(config, 0, sizeof(*config)); + + config->enableAutoMeasure = false; + config->measureDelayTime = 0xFFFFU; + config->prechargeTime = 0xFFFFU; + config->detectionMode = kTSC_Detection4WireMode; +} + +/*! + * brief Get Y coordinate value or X coordinate value. The value is an ADC conversion value. + * + * param base TSC peripheral base address. + * param selection Select alternative measure value which is Y coordinate value or X coordinate value. + * See "tsc_corrdinate_value_selection_t". + * return If selection is "kTSC_XCoordinateValueSelection", the API returns x-coordinate vlaue. + * If selection is "kTSC_YCoordinateValueSelection", the API returns y-coordinate vlaue. + */ +uint32_t TSC_GetMeasureValue(TSC_Type *base, tsc_corrdinate_value_selection_t selection) +{ + uint32_t tmp32 = 0; + + 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 + { + /* Intentional empty */ + } + + return tmp32; +} + +/*! + * brief Send hardware trigger signal to ADC in debug mode. The trigger signal must last at least 1 ips clock period. + * + * param base TSC peripheral base address. + * param hwts Hardware trigger select signal, select which channel to start conversion. See "tsc_trigger_signal_t". + * On ADC side, HWTS = 1 << x indicates the x logic channel is selected to start hardware ADC conversion. + * param enable Switcher of the trigger signal. "true" means generate trigger signal, "false" means don't generate + * trigger signal. + */ +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; + } +} + +/*! + * brief Enable/Disable detection in debug mode. + * + * param base TSC peripheral base address. + * param detectionMode Set detect mode. See "tsc_detection_mode_t" + * param enable Switcher of detect enable. "true" means enable detection, "false" means disable detection. + */ +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 + { + /* Intentional empty */ + } +} + +/*! + * brief Set TSC port mode in debug mode.(pull down, pull up and 200k-pull up) + * + * param base TSC peripheral base address. + * param port TSC controller ports. + * param mode TSC port mode.(pull down, pull up and 200k-pull up) + */ +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: + assert(false); + break; + } + base->DEBUG_MODE2 = tmp32; +} |