139 lines
4.6 KiB
C
139 lines
4.6 KiB
C
/*
|
|
* Copyright (c) 2018, Texas Instruments Incorporated - http://www.ti.com/
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. 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.
|
|
*/
|
|
/**
|
|
* \addtogroup cc13xx-cc26xx-batmon
|
|
* @{
|
|
*
|
|
* \file
|
|
* Driver for the CC13xx/CC26xx AON battery monitor.
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#include "contiki.h"
|
|
#include "lib/sensors.h"
|
|
|
|
#include "batmon-sensor.h"
|
|
/*---------------------------------------------------------------------------*/
|
|
#include <ti/devices/DeviceFamily.h>
|
|
#include DeviceFamily_constructPath(driverlib/aon_batmon.h)
|
|
/*---------------------------------------------------------------------------*/
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
#define DEBUG 0
|
|
#if DEBUG
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
#else
|
|
#define PRINTF(...)
|
|
#endif
|
|
/*---------------------------------------------------------------------------*/
|
|
#define SENSOR_STATUS_DISABLED 0
|
|
#define SENSOR_STATUS_ENABLED 1
|
|
|
|
static int enabled = SENSOR_STATUS_DISABLED;
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Returns a reading from the sensor
|
|
* \param type BATMON_SENSOR_TYPE_TEMP or BATMON_SENSOR_TYPE_VOLT
|
|
*
|
|
* \return The value as returned by the respective CC26xxware function
|
|
*/
|
|
static int
|
|
value(int type)
|
|
{
|
|
if(enabled == SENSOR_STATUS_DISABLED) {
|
|
PRINTF("Sensor Disabled\n");
|
|
return 0;
|
|
}
|
|
|
|
switch(type) {
|
|
case BATMON_SENSOR_TYPE_TEMP: return (int)AONBatMonTemperatureGetDegC();
|
|
case BATMON_SENSOR_TYPE_VOLT: return (int)AONBatMonBatteryVoltageGet();
|
|
default:
|
|
PRINTF("Invalid type\n");
|
|
return 0;
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Configuration function for the battery monitor sensor.
|
|
*
|
|
* \param type Activate, enable or disable the sensor. See below
|
|
* \param enable If
|
|
*
|
|
* When type == SENSORS_HW_INIT we turn on the hardware
|
|
* When type == SENSORS_ACTIVE and enable==1 we enable the sensor
|
|
* When type == SENSORS_ACTIVE and enable==0 we disable the sensor
|
|
*/
|
|
static int
|
|
configure(int type, int enable)
|
|
{
|
|
switch(type) {
|
|
case SENSORS_HW_INIT:
|
|
AONBatMonEnable();
|
|
enabled = SENSOR_STATUS_ENABLED;
|
|
break;
|
|
case SENSORS_ACTIVE:
|
|
if(enable) {
|
|
AONBatMonEnable();
|
|
enabled = SENSOR_STATUS_ENABLED;
|
|
} else {
|
|
AONBatMonDisable();
|
|
enabled = SENSOR_STATUS_DISABLED;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return enabled;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Returns the status of the sensor
|
|
* \param type SENSORS_ACTIVE or SENSORS_READY
|
|
* \return 1 if the sensor is enabled
|
|
*/
|
|
static int
|
|
status(int type)
|
|
{
|
|
switch(type) {
|
|
case SENSORS_ACTIVE:
|
|
case SENSORS_READY:
|
|
return enabled;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return SENSOR_STATUS_DISABLED;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
SENSORS_SENSOR(batmon_sensor, "Battery Monitor", value, configure, status);
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @} */
|