175 lines
6.4 KiB
C
175 lines
6.4 KiB
C
|
/*
|
|||
|
|
* The Clear BSD License
|
|||
|
|
* Copyright (c) 2018, NXP Semiconductors, Inc.
|
|||
|
|
* All rights reserved.
|
|||
|
|
*
|
|||
|
|
*
|
|||
|
|
* 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:
|
|||
|
|
*
|
|||
|
|
* 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.
|
|||
|
|
* 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_tempmon.h"
|
|||
|
|
|
|||
|
|
/*******************************************************************************
|
|||
|
|
* Definitions
|
|||
|
|
******************************************************************************/
|
|||
|
|
|
|||
|
|
/* Component ID definition, used by tools. */
|
|||
|
|
#ifndef FSL_COMPONENT_ID
|
|||
|
|
#define FSL_COMPONENT_ID "platform.drivers.tempmon"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
/*! @brief TEMPMON calibration data mask. */
|
|||
|
|
#define TEMPMON_HOTTEMPMASK 0xFFU
|
|||
|
|
#define TEMPMON_HOTTEMPSHIFT 0x00U
|
|||
|
|
#define TEMPMON_HOTCOUNTMASK 0xFFF00U
|
|||
|
|
#define TEMPMON_HOTCOUNTSHIFT 0X08U
|
|||
|
|
#define TEMPMON_ROOMCOUNTMASK 0xFFF00000U
|
|||
|
|
#define TEMPMON_ROOMCOUNTSHIFT 0x14U
|
|||
|
|
|
|||
|
|
/*! @brief the room temperature. */
|
|||
|
|
#define TEMPMON_ROOMTEMP 25.0
|
|||
|
|
|
|||
|
|
/*******************************************************************************
|
|||
|
|
* Prototypes
|
|||
|
|
******************************************************************************/
|
|||
|
|
|
|||
|
|
/*******************************************************************************
|
|||
|
|
* Variables
|
|||
|
|
******************************************************************************/
|
|||
|
|
|
|||
|
|
static uint32_t s_hotTemp; /*!< The value of TEMPMON_TEMPSENSE0[TEMP_VALUE] at room temperature .*/
|
|||
|
|
static uint32_t s_hotCount; /*!< The value of TEMPMON_TEMPSENSE0[TEMP_VALUE] at the hot temperature.*/
|
|||
|
|
static float s_hotT_ROOM; /*!< The value of s_hotTemp minus room temperature(25<32><35>).*/
|
|||
|
|
static uint32_t s_roomC_hotC; /*!< The value of s_roomCount minus s_hotCount.*/
|
|||
|
|
|
|||
|
|
/*******************************************************************************
|
|||
|
|
* Code
|
|||
|
|
******************************************************************************/
|
|||
|
|
void TEMPMON_Init(TEMPMON_Type *base, const tempmon_config_t *config)
|
|||
|
|
{
|
|||
|
|
assert(NULL != config);
|
|||
|
|
|
|||
|
|
uint32_t calibrationData;
|
|||
|
|
uint32_t roomCount;
|
|||
|
|
|
|||
|
|
/* Power on the temperature sensor*/
|
|||
|
|
//base->TEMPSENSE0 &= ~TEMPMON_TEMPSENSE0_POWER_DOWN_MASK;
|
|||
|
|
base->TEMPSENSE0_CLR |= TEMPMON_TEMPSENSE0_CLR_POWER_DOWN_MASK;
|
|||
|
|
|
|||
|
|
/* Set temperature monitor frequency */
|
|||
|
|
//base->TEMPSENSE1 = TEMPMON_TEMPSENSE1_MEASURE_FREQ(config->frequency);
|
|||
|
|
base->TEMPSENSE1_SET |= TEMPMON_TEMPSENSE1_SET_MEASURE_FREQ(config->frequency);
|
|||
|
|
|
|||
|
|
/* ready to read calibration data */
|
|||
|
|
calibrationData = OCOTP->ANA1;
|
|||
|
|
s_hotTemp = (uint32_t)(calibrationData & TEMPMON_HOTTEMPMASK) >> TEMPMON_HOTTEMPSHIFT;
|
|||
|
|
s_hotCount = (uint32_t)(calibrationData & TEMPMON_HOTCOUNTMASK) >> TEMPMON_HOTCOUNTSHIFT;
|
|||
|
|
roomCount = (uint32_t)(calibrationData & TEMPMON_ROOMCOUNTMASK) >> TEMPMON_ROOMCOUNTSHIFT;
|
|||
|
|
|
|||
|
|
s_hotT_ROOM = s_hotTemp - TEMPMON_ROOMTEMP;
|
|||
|
|
s_roomC_hotC = roomCount - s_hotCount;
|
|||
|
|
|
|||
|
|
/* Set alarm temperature */
|
|||
|
|
TEMPMON_SetTempAlarm(base, config->highAlarmTemp, kTEMPMON_HighAlarmMode);
|
|||
|
|
TEMPMON_SetTempAlarm(base, config->panicAlarmTemp, kTEMPMON_PanicAlarmMode);
|
|||
|
|
TEMPMON_SetTempAlarm(base, config->lowAlarmTemp, kTEMPMON_LowAlarmMode);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TEMPMON_Deinit(TEMPMON_Type *base)
|
|||
|
|
{
|
|||
|
|
base->TEMPSENSE0 |= TEMPMON_TEMPSENSE0_POWER_DOWN_MASK;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TEMPMON_GetDefaultConfig(tempmon_config_t *config)
|
|||
|
|
{
|
|||
|
|
assert(config);
|
|||
|
|
|
|||
|
|
/* Default measure frequency */
|
|||
|
|
config->frequency = 0x03U;
|
|||
|
|
/* Default high alarm temperature */
|
|||
|
|
config->highAlarmTemp = 40U;
|
|||
|
|
/* Default panic alarm temperature */
|
|||
|
|
config->panicAlarmTemp = 90U;
|
|||
|
|
/* Default low alarm temperature */
|
|||
|
|
config->lowAlarmTemp = 20U;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
float TEMPMON_GetCurrentTemperature(TEMPMON_Type *base)
|
|||
|
|
{
|
|||
|
|
/* Check arguments */
|
|||
|
|
assert(NULL != base);
|
|||
|
|
|
|||
|
|
uint32_t nmeas;
|
|||
|
|
float tmeas;
|
|||
|
|
|
|||
|
|
while (!(base->TEMPSENSE0 & TEMPMON_TEMPSENSE0_FINISHED_MASK))
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* ready to read temperature code value */
|
|||
|
|
nmeas = (base->TEMPSENSE0 & TEMPMON_TEMPSENSE0_TEMP_CNT_MASK) >> TEMPMON_TEMPSENSE0_TEMP_CNT_SHIFT;
|
|||
|
|
|
|||
|
|
/* Calculate temperature */
|
|||
|
|
tmeas = s_hotTemp - (float)((nmeas - s_hotCount) * s_hotT_ROOM / s_roomC_hotC);
|
|||
|
|
|
|||
|
|
return tmeas;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void TEMPMON_SetTempAlarm(TEMPMON_Type *base, uint32_t tempVal, tempmon_alarm_mode alarmMode)
|
|||
|
|
{
|
|||
|
|
/* Check arguments */
|
|||
|
|
assert(NULL != base);
|
|||
|
|
|
|||
|
|
uint32_t tempCodeVal;
|
|||
|
|
|
|||
|
|
/* Calculate alarm temperature code value */
|
|||
|
|
tempCodeVal = (uint32_t)(s_hotCount + (s_hotTemp - tempVal) * s_roomC_hotC / s_hotT_ROOM);
|
|||
|
|
|
|||
|
|
switch (alarmMode)
|
|||
|
|
{
|
|||
|
|
case kTEMPMON_HighAlarmMode:
|
|||
|
|
/* Set high alarm temperature code value */
|
|||
|
|
base->TEMPSENSE0 |= TEMPMON_TEMPSENSE0_ALARM_VALUE(tempCodeVal);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case kTEMPMON_PanicAlarmMode:
|
|||
|
|
/* Set panic alarm temperature code value */
|
|||
|
|
base->TEMPSENSE2 |= TEMPMON_TEMPSENSE2_PANIC_ALARM_VALUE(tempCodeVal);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case kTEMPMON_LowAlarmMode:
|
|||
|
|
/* Set low alarm temperature code value */
|
|||
|
|
base->TEMPSENSE2 |= TEMPMON_TEMPSENSE2_LOW_ALARM_VALUE(tempCodeVal);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
default:
|
|||
|
|
assert(false);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|