upm/src/dfrorp/dfrorp_fti.c
Jon Trulson dcb4e83251 dfrorp: Initial implementation
This module implements support for the DFRobot Analog ORP
(Oxidation/Reduction Potential) Meter.

It requires 5.0 volts, but the more accurate the voltage specified (to
the constructor), the more accurate the meter (paraphrased from the
wiki).

Signed-off-by: Jon Trulson <jtrulson@ics.com>
2016-09-14 14:07:52 -07:00

100 lines
2.9 KiB
C

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "dfrorp.h"
#include "upm_fti.h"
/**
* This file implements the Function Table Interface (FTI) for this sensor
*/
const char upm_dfrorp_name[] = "DFRORP";
const char upm_dfrorp_description[] = "DFRobot Analog ORP Sensor";
const upm_protocol_t upm_dfrorp_protocol[] = {UPM_ANALOG};
const upm_sensor_t upm_dfrorp_category[] = {UPM_ORP};
// forward declarations
const void* upm_dfrorp_get_ft(upm_sensor_t sensor_type);
void* upm_dfrorp_init_name();
void upm_dfrorp_close(void *dev);
upm_result_t upm_dfrorp_get_value(const void *dev, float *value);
upm_result_t upm_dfrorp_set_scale(const void *dev, float scale);
upm_result_t upm_dfrorp_set_offset(const void *dev, float offset);
static const upm_sensor_ft ft =
{
.upm_sensor_init_name = &upm_dfrorp_init_name,
.upm_sensor_close = &upm_dfrorp_close,
};
static const upm_orp_ft orpft =
{
.upm_orp_set_offset = upm_dfrorp_set_offset,
.upm_orp_set_scale = upm_dfrorp_set_scale,
.upm_orp_get_value = upm_dfrorp_get_value
};
const void* upm_dfrorp_get_ft(upm_sensor_t sensor_type)
{
switch(sensor_type)
{
case UPM_SENSOR:
return &ft;
case UPM_ORP:
return &orpft;
default:
return NULL;
}
}
void* upm_dfrorp_init_name()
{
return NULL;
}
void upm_dfrorp_close(void *dev)
{
dfrorp_close((dfrorp_context)dev);
}
upm_result_t upm_dfrorp_set_scale(const void *dev, float scale)
{
dfrorp_set_scale((dfrorp_context)dev, scale);
return UPM_SUCCESS;
}
upm_result_t upm_dfrorp_set_offset(const void *dev, float offset)
{
dfrorp_set_offset((dfrorp_context)dev, offset);
return UPM_SUCCESS;
}
upm_result_t upm_dfrorp_get_value(const void *dev, float *value)
{
*value = dfrorp_get_orp((dfrorp_context)dev);
return UPM_SUCCESS;
}