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Diffstat (limited to 'peripheral/libupm/src/pulsensor/pulsensor.h')
| -rw-r--r-- | peripheral/libupm/src/pulsensor/pulsensor.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/peripheral/libupm/src/pulsensor/pulsensor.h b/peripheral/libupm/src/pulsensor/pulsensor.h new file mode 100644 index 0000000..8c9866d --- /dev/null +++ b/peripheral/libupm/src/pulsensor/pulsensor.h @@ -0,0 +1,117 @@ +/* + * Author: Andrei Vasiliu <andrei.vasiliu@intel.com> + * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> + * Copyright (c) 2015 Intel Corporation. + * + * Credits to Adafruit. + * Based on Adafruit BMP085 library. + * + * 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. + */ +#pragma once + +#include <string> +#include <math.h> +#include <mraa/pwm.hpp> +#include <mraa/aio.hpp> +#include <mraa/gpio.hpp> +#include <pthread.h> + +#define HIGH 1 +#define LOW 0 + +#define TRUE HIGH +#define FALSE LOW + +/** + * Callback data struct + */ +struct clbk_data { + int is_heart_beat; /**< heartbeat check */ +}; + +#if defined(SWIGJAVA) || defined(JAVACALLBACK) +#include "Callback.h" +#else +typedef void (* callback_handler) (clbk_data); +#endif + +namespace upm { +/** + * @brief Pulsensor Pulse Sensor library + * @defgroup pulsensor libupm-pulsensor + * @ingroup seeed analog medical + */ +/** + * @library pulsensor + * @sensor pulsensor + * @comname Pulse Sensor + * @type medical + * @man seeed + * @web http://www.adafruit.com/products/1093 + * @con analog + * + * @brief C++ API for the 3-Wire Pulse Sensor + * + * This is a library for a 3-wire pulse sensor sold by several manufacturers. + * Usually, you can identify the sensor based on the round breakout and the + * distinctive heart symbol. + * + * @image html pulsensor.jpg + * @snippet pulsensor.cxx Interesting + */ +class Pulsensor { + +public: +#if defined(SWIGJAVA) || defined(JAVACALLBACK) + Pulsensor(Callback *callback); +#else + Pulsensor(callback_handler handler); +#endif + void start_sampler(); + void stop_sampler(); + +private: + static void *do_sample(void *arg); + pthread_t sample_thread; /**< Thread for the code sample */ + uint32_t sample_counter; /**< Counter for the code sample */ + uint32_t last_beat_time; /**< Last heartbeat time */ + int threshold; /**< Threshold */ + int ibi_rate[10]; /**< ibi rate */ + int ibi; /**< ibi */ + int trough; /**< Trough */ + int peak; /**< Peak */ + int bpm; /**< Bits per minute */ + int apmlitude; /**< Amplitude */ + uint8_t qs; /**< qs */ + uint8_t is_pulse; /**< Is pulse check */ + uint8_t first_beat; /**< First heartbeat */ + uint8_t second_beat; /**< Second heartbeat */ + uint8_t pin; /**< Pin */ + uint8_t ret; /**< Return value */ + mraa::Aio pin_ctx; /**< The pin context */ +#if defined(SWIGJAVA) || defined(JAVACALLBACK) + Callback *obj_callback; /**< The callback object */ +#else + callback_handler callback; /**< The callback function */ +#endif + volatile uint16_t ctx_counter; +}; +} |