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/*
* Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* 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 Freescale Semiconductor, Inc. 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_hal.h"
#if FSL_FEATURE_SOC_LLWU_COUNT
/*******************************************************************************
* Definitions
******************************************************************************/
// Has PIN0 ~ PIN3
#define LLWU_HAS_PIN_0_3 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN0 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN1 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN2 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN3)
// Has PIN4 ~ PIN7
#define LLWU_HAS_PIN_4_7 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN4 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN5 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN6 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN7)
// Has PIN8 ~ PIN11
#define LLWU_HAS_PIN_8_11 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN8 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN9 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN10 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN11)
// Has PIN12 ~ PIN15
#define LLWU_HAS_PIN_12_15 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN12 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN13 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN14 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN15)
// Has PIN16 ~ PIN19
#define LLWU_HAS_PIN_16_19 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN16 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN17 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN18 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN19)
// Has PIN20 ~ PIN23
#define LLWU_HAS_PIN_20_23 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN20 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN21 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN22 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN23)
// Has PIN24 ~ PIN27
#define LLWU_HAS_PIN_24_27 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN24 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN25 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN26 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN27)
// Has PIN28 ~ PIN31
#define LLWU_HAS_PIN_28_31 \
(FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN28 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN29 | \
FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN30 | FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN31)
// Has PIN0 ~ PIN7
#define LLWU_HAS_PIN_0_7 \
(LLWU_HAS_PIN_0_3 | LLWU_HAS_PIN_4_7)
// Has PIN8 ~ PIN15
#define LLWU_HAS_PIN_8_15 \
(LLWU_HAS_PIN_8_11 | LLWU_HAS_PIN_12_15)
// Has PIN16 ~ PIN23
#define LLWU_HAS_PIN_16_23 \
(LLWU_HAS_PIN_16_19 | LLWU_HAS_PIN_20_23)
// Has PIN24 ~ PIN31
#define LLWU_HAS_PIN_24_31 \
(LLWU_HAS_PIN_24_27 | LLWU_HAS_PIN_28_31)
// Has PIN0 ~ PIN15
#define LLWU_HAS_PIN_0_15 \
(LLWU_HAS_PIN_0_7 | LLWU_HAS_PIN_8_15)
// Has PIN16 ~ PIN31
#define LLWU_HAS_PIN_16_31 \
(LLWU_HAS_PIN_16_23 | LLWU_HAS_PIN_24_31)
/*******************************************************************************
* Code
******************************************************************************/
#if FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_SetExternalInputPinMode
* Description : Set external input pin source mode
* This function will set the external input pin source mode that will be used
* as wake up source.
*
*END**************************************************************************/
void LLWU_HAL_SetExternalInputPinMode(LLWU_Type * base,
llwu_external_pin_modes_t pinMode,
llwu_wakeup_pin_t pinNumber)
{
/*-------------------------------------------------------------------------
In 8-bit control register, every 2-bit controls one external pin. To set
the proper register bit field, need to calculate the register and shift in
register base on pinNumber.
X X X X X X | X X <-- pinNumber
----------------------|------
Used to get register | Used to get shift in register
Register: pinNumber>>2;
Shift in register: (pinNumber & 0b11) << 1;
For example, if pinNumber=1 (WUPE1), register and shift are like this
-------------------------------------------------
| WUPE3 | WUPE2 | WUPE1 | WUPE0 | <-- Register
-------------------------------------------------
^
| Shift in register.
0 0 0 0 1 1 0 0 <-- Bit mask.
--------------------------------------------------------------------------*/
uint32_t shiftInReg = (((uint8_t)pinNumber)&0x03U) << 1U;
uint32_t bitMask = 0x03U << shiftInReg;
switch ((uint8_t)pinNumber >> 2U) // Which register to write to.
{
#if (LLWU_HAS_PIN_0_3)
case 0:
LLWU_WR_PE1(base,
((LLWU_RD_PE1(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_4_7)
case 1:
LLWU_WR_PE2(base,
((LLWU_RD_PE2(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_8_11)
case 2:
LLWU_WR_PE3(base,
((LLWU_RD_PE3(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_12_15)
case 3:
LLWU_WR_PE4(base,
((LLWU_RD_PE4(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_16_19)
case 4:
LLWU_WR_PE5(base,
((LLWU_RD_PE5(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_20_23)
case 5:
LLWU_WR_PE6(base,
((LLWU_RD_PE6(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_24_27)
case 6:
LLWU_WR_PE7(base,
((LLWU_RD_PE7(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
#if (LLWU_HAS_PIN_28_31)
case 7:
LLWU_WR_PE8(base,
((LLWU_RD_PE8(base) & ~bitMask) | ((uint32_t)pinMode << shiftInReg)));
break;
#endif
default:
break;
}
}
#endif
#if FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_SetInternalModuleCmd
* Description : Enable/disable internal module source
* This function will enable/disable the internal module source mode that will
* be used as wake up source.
*
*END**************************************************************************/
void LLWU_HAL_SetInternalModuleCmd(LLWU_Type * base, llwu_wakeup_module_t moduleNumber, bool enable)
{
uint32_t bitMask = 1U << (uint8_t)moduleNumber;
if (enable)
{
LLWU_WR_ME(base, (LLWU_RD_ME(base) | bitMask));
}
else
{
LLWU_WR_ME(base, (LLWU_RD_ME(base) & ~bitMask));
}
}
#endif
#if FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN
/* For some platforms register LLWU_PF is used instead of LLWU_F. */
#if defined(LLWU_BRD_PF1_WUF0)
#define LLWU_RD_PINFLAG(reg) LLWU_RD_PF##reg
#else
#define LLWU_RD_PINFLAG(reg) LLWU_RD_F##reg
#endif
#if defined(LLWU_BWR_PF1_WUF0)
#define LLWU_WR_PINFLAG(reg) LLWU_WR_PF##reg
#else
#define LLWU_WR_PINFLAG(reg) LLWU_WR_F##reg
#endif
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_GetExternalPinWakeupFlag
* Description : Get external wakeup source flag
* This function will get the external wakeup source flag for specific pin.
*
*END**************************************************************************/
bool LLWU_HAL_GetExternalPinWakeupFlag(LLWU_Type * base, llwu_wakeup_pin_t pinNumber)
{
uint8_t bitMask = 0U;
uint8_t bitInReg = 1U << ((uint8_t)pinNumber & 0x07U); // Which bit to check.
switch (((uint32_t)pinNumber) >> 3U) // Which register to check.
{
#if (LLWU_HAS_PIN_0_7)
case 0: // PIN0 ~ PIN7
bitMask = LLWU_RD_PINFLAG(1)(base);
break;
#endif
#if (LLWU_HAS_PIN_8_15)
case 1: // PIN8 ~ PIN15
bitMask = LLWU_RD_PINFLAG(2)(base);
break;
#endif
#if (LLWU_HAS_PIN_16_23)
case 2: // PIN16 ~ PIN23
bitMask = LLWU_RD_PINFLAG(3)(base);
break;
#endif
#if (LLWU_HAS_PIN_24_31)
case 3: // PIN24 ~ PIN31
bitMask = LLWU_RD_PINFLAG(4)(base);
break;
#endif
default:
break;
}
return (bitInReg & bitMask) ? true : false;
}
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_ClearExternalPinWakeupFlag
* Description : Clear external wakeup source flag
* This function will clear the external wakeup source flag for specific pin.
*
*END**************************************************************************/
void LLWU_HAL_ClearExternalPinWakeupFlag(LLWU_Type * base, llwu_wakeup_pin_t pinNumber)
{
uint8_t bitInReg = 1U << ((uint8_t)pinNumber & 0x07U); // Which bit to clear.
switch (((uint32_t)pinNumber) >> 3U) // Which register to check.
{
#if (LLWU_HAS_PIN_0_7)
case 0: // PIN0 ~ PIN7
LLWU_WR_PINFLAG(1)(base, bitInReg);
break;
#endif
#if (LLWU_HAS_PIN_8_15)
case 1: // PIN8 ~ PIN15
LLWU_WR_PINFLAG(2)(base, bitInReg);
break;
#endif
#if (LLWU_HAS_PIN_16_23)
case 2: // PIN16 ~ PIN23
LLWU_WR_PINFLAG(3)(base, bitInReg);
break;
#endif
#if (LLWU_HAS_PIN_24_31)
case 3: // PIN24 ~ PIN31
LLWU_WR_PINFLAG(4)(base, bitInReg);
break;
#endif
default:
break;
}
}
#endif
#if FSL_FEATURE_LLWU_HAS_INTERNAL_MODULE
#if FSL_FEATURE_LLWU_HAS_MF
#define LLWU_RD_MODULE_FLAG LLWU_RD_MF5
#else
#define LLWU_RD_MODULE_FLAG LLWU_RD_F3
#endif
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_GetInternalModuleWakeupFlag
* Description : Get internal module wakeup source flag
* This function will get the internal module wakeup source flag for specific
* module
*
*END**************************************************************************/
bool LLWU_HAL_GetInternalModuleWakeupFlag(LLWU_Type * base, llwu_wakeup_module_t moduleNumber)
{
uint8_t bitMask = (uint8_t)(1U << (uint8_t)moduleNumber);
return (LLWU_RD_MODULE_FLAG(base) & bitMask) ? true : false;
}
#endif
#if FSL_FEATURE_LLWU_HAS_EXTERNAL_PIN
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_SetPinFilterMode
* Description : Set pin filter configuration
* This function will set the pin filter configuration.
*
*END**************************************************************************/
void LLWU_HAL_SetPinFilterMode(LLWU_Type * base,
uint32_t filterNumber,
llwu_external_pin_filter_mode_t pinFilterMode)
{
/* check filter and pin number */
assert(filterNumber < FSL_FEATURE_LLWU_HAS_PIN_FILTER);
/* branch to filter number */
switch(filterNumber)
{
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 1)
case 0:
LLWU_BWR_FILT1_FILTSEL(base, pinFilterMode.pinNumber);
LLWU_BWR_FILT1_FILTE(base, pinFilterMode.filterMode);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 2)
case 1:
LLWU_BWR_FILT2_FILTSEL(base, pinFilterMode.pinNumber);
LLWU_BWR_FILT2_FILTE(base, pinFilterMode.filterMode);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 3)
case 2:
LLWU_BWR_FILT3_FILTSEL(base, pinFilterMode.pinNumber);
LLWU_BWR_FILT3_FILTE(base, pinFilterMode.filterMode);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 4)
case 3:
LLWU_BWR_FILT4_FILTSEL(base, pinFilterMode.pinNumber);
LLWU_BWR_FILT4_FILTE(base, pinFilterMode.filterMode);
break;
#endif
default:
break;
}
}
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_GetFilterDetectFlag
* Description : Get filter detect flag
* This function will get the filter detect flag.
*
*END**************************************************************************/
bool LLWU_HAL_GetFilterDetectFlag(LLWU_Type * base, uint32_t filterNumber)
{
bool retValue = false;
/* check filter and pin number */
assert(filterNumber < FSL_FEATURE_LLWU_HAS_PIN_FILTER);
/* branch to filter number */
switch(filterNumber)
{
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 1)
case 0:
retValue = (bool)LLWU_BRD_FILT1_FILTF(base);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 2)
case 1:
retValue = (bool)LLWU_BRD_FILT2_FILTF(base);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 3)
case 2:
retValue = (bool)LLWU_BRD_FILT3_FILTF(base);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 4)
case 3:
retValue = (bool)LLWU_BRD_FILT4_FILTF(base);
break;
#endif
default:
retValue = false;
break;
}
return retValue;
}
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_ClearFilterDetectFlag
* Description : Clear filter detect flag
* This function will clear the filter detect flag.
*
*END**************************************************************************/
void LLWU_HAL_ClearFilterDetectFlag(LLWU_Type * base, uint32_t filterNumber)
{
/* check filter and pin number */
assert(filterNumber < FSL_FEATURE_LLWU_HAS_PIN_FILTER);
/* branch to filter number */
switch(filterNumber)
{
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 1)
case 0:
LLWU_BWR_FILT1_FILTF(base, 1U);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 2)
case 1:
LLWU_BWR_FILT2_FILTF(base, 1U);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 3)
case 2:
LLWU_BWR_FILT3_FILTF(base, 1U);
break;
#endif
#if (FSL_FEATURE_LLWU_HAS_PIN_FILTER >= 4)
case 3:
LLWU_BWR_FILT4_FILTF(base, 1U);
break;
#endif
default:
break;
}
}
#endif
#if FSL_FEATURE_LLWU_HAS_RESET_ENABLE
/*FUNCTION**********************************************************************
*
* Function Name : LLWU_HAL_SetResetPinMode
* Description : Set RESET pin mode.
* This function will set the RESET pin mode.
*
*END**************************************************************************/
void LLWU_HAL_SetResetPinMode(LLWU_Type * base, llwu_reset_pin_mode_t resetPinMode)
{
LLWU_WR_RST(base, LLWU_RST_RSTFILT(resetPinMode.filter) |
LLWU_RST_LLRSTE(resetPinMode.enable));
}
#endif
#endif
/*******************************************************************************
* EOF
******************************************************************************/
|
