Adding SoftwareWire files.

src/BME280I2CSoftwareWire.cpp

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+/*
+BME280I2CSoftwareWireI2C.cpp
+This code records data from the BME280I2CSoftwareWire sensor and provides an API.
+This file is part of the Arduino BME280I2CSoftwareWire library.
+Copyright (C) 2016 Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http:https://www.gnu.org/licenses/>.
+
+Written: Dec 30 2015.
+Last Updated: Jan 1 2016. - Happy New year!
+
+This header must be included in any derived code or copies of the code.
+
+Based on the data sheet provided by Bosch for the BME280I2CSoftwareWire environmental sensor,
+calibration code based on algorithms providedBosch, some unit conversations courtesy
+of www.endmemo.com, altitude equation courtesy of NOAA, and dew point equation
+courtesy of Brian McNoldy at http:https://andrew.rsmas.miami.edu.
+ */
+
+#include "config.h"
+
+#ifdef USING_SOFTWARE_WIRE
+
+#include "SoftwareWire.h"
+
+#include "BME280I2CSoftwareWire.h"
+
+
+/****************************************************************/
+BME280I2CSoftwareWire::BME280I2CSoftwareWire
+(
+ SoftwareWire& softwareWire,
+ const Settings& settings
+):BME280I2C(settings),
+ m_softwareWire(softwareWire)
+{
+}
+
+/****************************************************************/
+bool BME280I2CSoftwareWire::WriteRegister
+(
+ uint8_t addr,
+ uint8_t data
+)
+{
+ m_softwareWire.beginTransmission(getSettings().bme280Addr);
+ m_softwareWire.write(addr);
+ m_softwareWire.write(data);
+ m_softwareWire.endTransmission();
+
+ return true; // TODO: Chech return values from wire calls.
+}
+
+
+/****************************************************************/
+bool BME280I2CSoftwareWire::ReadRegister
+(
+ uint8_t addr,
+ uint8_t data[],
+ uint8_t length
+)
+{
+ uint8_t ord(0);
+
+ m_softwareWire.beginTransmission(getSettings().bme280Addr);
+ m_softwareWire.write(addr);
+ m_softwareWire.endTransmission();
+
+ m_softwareWire.requestFrom(static_cast<uint8_t>(getSettings().bme280Addr), length);
+
+ while(m_softwareWire.available())
+ {
+ data[ord++] = m_softwareWire.read();
+ }
+
+ return ord == length;
+}
+
+#endif

src/BME280I2CSoftwareWire.h

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+/*
+BME280I2CSoftwareWire.h
+This code records data from the BME280 sensor and provides an API.
+This file is part of the Arduino BME280 library.
+Copyright (C) 2016 Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http:https://www.gnu.org/licenses/>.
+
+Written: Mar 13 2018.
+
+This code is licensed under the GNU LGPL and is open for distrbution
+and copying in accordance with the license.
+This header must be included in any derived code or copies of the code.
+
+Based on the data sheet provided by Bosch for the Bme280 environmental sensor.
+ */
+
+#ifndef TG_BME_280_I2C_SOFTWARE_WIRE_H
+#define TG_BME_280_I2C_SOFTWARE_WIRE_H
+
+#include "BME280I2C.h"
+
+class SoftwareWire;
+
+//////////////////////////////////////////////////////////////////
+/// BME280I2CSoftwareWire - SoftwareWire I2C Implementation of BME280.
+class BME280I2CSoftwareWire: public BME280I2C
+{
+
+public:
+
+ ///////////////////////////////////////////////////////////////
+ /// Constructor used to create the class. All parameters have
+ /// default values.
+ BME280I2CSoftwareWire(
+ SoftwareWire& softwareWire,
+ const BME280I2C::Settings& settings = BME280I2C::Settings());
+
+
+protected:
+private:
+ SoftwareWire& m_softwareWire;
+
+ //////////////////////////////////////////////////////////////////
+ /// Write values to BME280 registers.
+ virtual bool WriteRegister(
+ uint8_t addr,
+ uint8_t data);
+
+ /////////////////////////////////////////////////////////////////
+ /// Read values from BME280 registers.
+ virtual bool ReadRegister(
+ uint8_t addr,
+ uint8_t data[],
+ uint8_t length);
+
+};
+#endif // TG_BME_280_I2C_H