2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include <mraa/gpio.h>
31 #define NUMBER_OF_SAMPLES 500
32 #define ADC_RESOLUTION 1024
33 #define SUPPLYVOLTAGE 5100
34 #define CURRENT_RATIO 2000.0
45 static const uint8_t DELAY_MS = 20000 / NUMBER_OF_SAMPLES; /* 1/50Hz is 20ms period */
46 static const uint8_t VOLT_M = 5.1 / 1023;
47 static const uint8_t R_LOAD = 2000.0 / CURRENT_RATIO;
50 * Instanciates a ECS1030 (current sensor) object
52 * @param pinNumber number of the data pin
54 ECS1030 (uint8_t pinNumber);
57 * ECS1030 object destructor, basicaly it close the GPIO.
62 * Return currency data for the sampled period
64 double getCurrency_A ();
67 * Return power data for the sampled period
72 * Return currency data for the sampled period
74 double getCurrency_B ();
77 * Return power data for the sampled period
82 * Return name of the component
89 mraa_aio_context m_dataPinCtx;
95 double m_filteredSample;