2014-07-04 18:01:51 +00:00
|
|
|
/*
|
|
|
|
* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
|
|
|
|
* Copyright (c) 2014 Intel Corporation.
|
|
|
|
*
|
|
|
|
* Credits to Seeed Studeo.
|
|
|
|
*
|
|
|
|
* 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 <mraa/i2c.h>
|
|
|
|
|
|
|
|
#define ADDR 0x40 // device address
|
|
|
|
|
|
|
|
#define REG_STATUS 0x00
|
|
|
|
#define REG_DATA_H 0x01
|
|
|
|
#define REG_DATA_L 0x02
|
|
|
|
#define REG_CONFIG 0x03
|
|
|
|
#define REG_ID 0x11
|
|
|
|
|
|
|
|
#define STATUS_RDY_MASK 0x01
|
|
|
|
|
|
|
|
#define CMD_MEASURE_HUMI 0x01
|
|
|
|
#define CMD_MEASURE_TEMP 0x11
|
|
|
|
|
|
|
|
#define TH02_WR_REG_MODE 0xC0
|
|
|
|
#define TH02_RD_REG_MODE 0x80
|
|
|
|
|
|
|
|
#define HIGH 1
|
|
|
|
#define LOW 0
|
|
|
|
|
|
|
|
namespace upm {
|
|
|
|
|
2014-09-22 16:37:36 +01:00
|
|
|
/**
|
|
|
|
* @brief th02 temperature & humidity sensor library
|
|
|
|
* @defgroup th02 libupm-th02
|
|
|
|
*/
|
|
|
|
|
2014-07-04 18:01:51 +00:00
|
|
|
/**
|
|
|
|
* @brief C++ API for TH02 chip (Temperature and Humidity Sensor Pro)
|
|
|
|
*
|
|
|
|
* This file defines the TH02 C++ interface for libth02
|
|
|
|
*
|
2014-09-22 16:37:36 +01:00
|
|
|
* @ingroup th02
|
2014-07-04 18:01:51 +00:00
|
|
|
* @snippet th02-example.cxx Interesting
|
|
|
|
*/
|
|
|
|
class TH02 {
|
|
|
|
public:
|
|
|
|
/**
|
|
|
|
* Instanciates a TH02 object
|
|
|
|
*/
|
|
|
|
TH02 ();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* TH02 object destructor, basicaly it close i2c connection.
|
|
|
|
*/
|
|
|
|
~TH02 ();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get the temperature value from sensor.
|
|
|
|
*/
|
|
|
|
float getTemperature ();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get the humidity value from sensor.
|
|
|
|
*/
|
|
|
|
float getHumidity ();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get the sensor's status.
|
|
|
|
*/
|
|
|
|
bool getStatus ();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Return name of the component
|
|
|
|
*/
|
|
|
|
std::string name()
|
|
|
|
{
|
|
|
|
return m_name;
|
|
|
|
}
|
|
|
|
private:
|
|
|
|
std::string m_name;
|
|
|
|
mraa_i2c_context m_i2Ctx;
|
|
|
|
|
|
|
|
uint16_t i2cReadReg_N (int reg, unsigned int len, uint8_t * buffer);
|
|
|
|
mraa_result_t i2cWriteReg_N (uint8_t reg, unsigned int len, uint8_t * buffer);
|
|
|
|
mraa_result_t i2cWriteReg (uint8_t reg, uint8_t data);
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|