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rt-thread-official/bsp/frdm-k64f/device/MK64F12/fsl_llwu.c

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/*
* 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_llwu.h"
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN)
void LLWU_SetExternalWakeupPinMode(LLWU_Type *base, uint32_t pinIndex, llwu_external_pin_mode_t pinMode)
{
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
volatile uint32_t *regBase;
uint32_t regOffset;
uint32_t reg;
switch (pinIndex >> 4U)
{
case 0U:
regBase = &base->PE1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
case 1U:
regBase = &base->PE2;
break;
#endif
default:
regBase = NULL;
break;
}
#else
volatile uint8_t *regBase;
uint8_t regOffset;
uint8_t reg;
switch (pinIndex >> 2U)
{
case 0U:
regBase = &base->PE1;
break;
case 1U:
regBase = &base->PE2;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8))
case 2U:
regBase = &base->PE3;
break;
#endif
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 12))
case 3U:
regBase = &base->PE4;
break;
#endif
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
case 4U:
regBase = &base->PE5;
break;
#endif
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 20))
case 5U:
regBase = &base->PE6;
break;
#endif
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24))
case 6U:
regBase = &base->PE7;
break;
#endif
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 28))
case 7U:
regBase = &base->PE8;
break;
#endif
default:
regBase = NULL;
break;
}
#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH == 32 */
if (regBase)
{
reg = *regBase;
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
regOffset = ((pinIndex & 0x0FU) << 1U);
#else
regOffset = ((pinIndex & 0x03U) << 1U);
#endif
reg &= ~(0x3U << regOffset);
reg |= ((uint32_t)pinMode << regOffset);
*regBase = reg;
}
}
bool LLWU_GetExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex)
{
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
return (bool)(base->PF & (1U << pinIndex));
#else
volatile uint8_t *regBase;
switch (pinIndex >> 3U)
{
#if (defined(FSL_FEATURE_LLWU_HAS_PF) && FSL_FEATURE_LLWU_HAS_PF)
case 0U:
regBase = &base->PF1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8))
case 1U:
regBase = &base->PF2;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
case 2U:
regBase = &base->PF3;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24))
case 3U:
regBase = &base->PF4;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#else
case 0U:
regBase = &base->F1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8))
case 1U:
regBase = &base->F2;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
case 2U:
regBase = &base->F3;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24))
case 3U:
regBase = &base->F4;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#endif /* FSL_FEATURE_LLWU_HAS_PF */
default:
regBase = NULL;
break;
}
if (regBase)
{
return (bool)(*regBase & (1U << pinIndex % 8));
}
else
{
return false;
}
#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */
}
void LLWU_ClearExternalWakeupPinFlag(LLWU_Type *base, uint32_t pinIndex)
{
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
base->PF = (1U << pinIndex);
#else
volatile uint8_t *regBase;
switch (pinIndex >> 3U)
{
#if (defined(FSL_FEATURE_LLWU_HAS_PF) && FSL_FEATURE_LLWU_HAS_PF)
case 0U:
regBase = &base->PF1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8))
case 1U:
regBase = &base->PF2;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
case 2U:
regBase = &base->PF3;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24))
case 3U:
regBase = &base->PF4;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#else
case 0U:
regBase = &base->F1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 8))
case 1U:
regBase = &base->F2;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 16))
case 2U:
regBase = &base->F3;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN) && (FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN > 24))
case 3U:
regBase = &base->F4;
break;
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#endif /* FSL_FEATURE_LLWU_HAS_PF */
default:
regBase = NULL;
break;
}
if (regBase)
{
*regBase = (1U << pinIndex % 8U);
}
#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */
}
#endif /* FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && FSL_FEATURE_LLWU_HAS_PIN_FILTER)
void LLWU_SetPinFilterMode(LLWU_Type *base, uint32_t filterIndex, llwu_external_pin_filter_mode_t filterMode)
{
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
uint32_t reg;
reg = base->FILT;
reg &= ~((LLWU_FILT_FILTSEL1_MASK | LLWU_FILT_FILTE1_MASK) << (filterIndex * 8U - 1U));
reg |= (((filterMode.pinIndex << LLWU_FILT_FILTSEL1_SHIFT) | (filterMode.filterMode << LLWU_FILT_FILTE1_SHIFT)
/* Clear the Filter Detect Flag */
| LLWU_FILT_FILTF1_MASK)
<< (filterIndex * 8U - 1U));
base->FILT = reg;
#else
volatile uint8_t *regBase;
uint8_t reg;
switch (filterIndex)
{
case 1:
regBase = &base->FILT1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 1))
case 2:
regBase = &base->FILT2;
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 2))
case 3:
regBase = &base->FILT3;
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 3))
case 4:
regBase = &base->FILT4;
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
default:
regBase = NULL;
break;
}
if (regBase)
{
reg = *regBase;
reg &= ~(LLWU_FILT1_FILTSEL_MASK | LLWU_FILT1_FILTE_MASK);
reg |= ((uint32_t)filterMode.pinIndex << LLWU_FILT1_FILTSEL_SHIFT);
reg |= ((uint32_t)filterMode.filterMode << LLWU_FILT1_FILTE_SHIFT);
/* Clear the Filter Detect Flag */
reg |= LLWU_FILT1_FILTF_MASK;
*regBase = reg;
}
#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */
}
bool LLWU_GetPinFilterFlag(LLWU_Type *base, uint32_t filterIndex)
{
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
return (bool)(base->FILT & (1U << (filterIndex * 8U - 1)));
#else
bool status = false;
switch (filterIndex)
{
case 1:
status = (base->FILT1 & LLWU_FILT1_FILTF_MASK);
break;
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 1))
case 2:
status = (base->FILT2 & LLWU_FILT2_FILTF_MASK);
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 2))
case 3:
status = (base->FILT3 & LLWU_FILT3_FILTF_MASK);
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 3))
case 4:
status = (base->FILT4 & LLWU_FILT4_FILTF_MASK);
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
default:
break;
}
return status;
#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */
}
void LLWU_ClearPinFilterFlag(LLWU_Type *base, uint32_t filterIndex)
{
#if (defined(FSL_FEATURE_LLWU_REG_BITWIDTH) && (FSL_FEATURE_LLWU_REG_BITWIDTH == 32))
uint32_t reg;
reg = base->FILT;
switch (filterIndex)
{
case 1:
reg |= LLWU_FILT_FILTF1_MASK;
break;
case 2:
reg |= LLWU_FILT_FILTF2_MASK;
break;
case 3:
reg |= LLWU_FILT_FILTF3_MASK;
break;
case 4:
reg |= LLWU_FILT_FILTF4_MASK;
break;
default:
break;
}
base->FILT = reg;
#else
volatile uint8_t *regBase;
uint8_t reg;
switch (filterIndex)
{
case 1:
regBase = &base->FILT1;
break;
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 1))
case 2:
regBase = &base->FILT2;
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 2))
case 3:
regBase = &base->FILT3;
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_PIN_FILTER) && (FSL_FEATURE_LLWU_HAS_PIN_FILTER > 3))
case 4:
regBase = &base->FILT4;
break;
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
default:
regBase = NULL;
break;
}
if (regBase)
{
reg = *regBase;
reg |= LLWU_FILT1_FILTF_MASK;
*regBase = reg;
}
#endif /* FSL_FEATURE_LLWU_REG_BITWIDTH */
}
#endif /* FSL_FEATURE_LLWU_HAS_PIN_FILTER */
#if (defined(FSL_FEATURE_LLWU_HAS_RESET_ENABLE) && FSL_FEATURE_LLWU_HAS_RESET_ENABLE)
void LLWU_SetResetPinMode(LLWU_Type *base, bool pinEnable, bool enableInLowLeakageMode)
{
uint8_t reg;
reg = base->RST;
reg &= ~(LLWU_RST_LLRSTE_MASK | LLWU_RST_RSTFILT_MASK);
reg |=
(((uint32_t)pinEnable << LLWU_RST_LLRSTE_SHIFT) | ((uint32_t)enableInLowLeakageMode << LLWU_RST_RSTFILT_SHIFT));
base->RST = reg;
}
#endif /* FSL_FEATURE_LLWU_HAS_RESET_ENABLE */
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