rt-thread/bsp/imxrt1052-evk/Libraries/drivers/fsl_tsc.c

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/*
* The Clear BSD License
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
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*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) provided
* that the following conditions are met:
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*
* 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.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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* 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"
/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "platform.drivers.tsc"
#endif
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/*******************************************************************************
* 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->PRE_CHARGE_TIME = TSC_PRE_CHARGE_TIME_PRE_CHARGE_TIME(config->prechargeTime);
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}
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 = 0;
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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;
}