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docs: final batch of header files reviewed
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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Mihai Tudor Panu

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@ -45,24 +45,24 @@ namespace upm {
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*
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* @brief API for the OTP538U IR Temperature Sensor
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*
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* UPM module for the OTP538U IR Temperature Sensor
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* UPM module for the OTP538U IR temperature sensor
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*
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* This module was tested with the Grove IR non-contact temperature
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* sensor.
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*
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* The sensor provides 2 analog outputs - one for the thermistor
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* that measures ambient temperature, and another for the thermopile
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* that measures object temperature.
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* The sensor provides 2 analog outputs: one for the thermistor
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* that measures the ambient temperature, and the other for the thermopile
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* that measures the object temperature.
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*
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* Much of the code depends on analyzing the SeeedStudio examples
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* and circuit design. As a result, there are several 'magic'
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* numbers that were derived from their circuit design. By default,
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* these values will be used.
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* Much of the code depends on analyzing Seeed Studio* examples
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* and the circuit design. As a result, there are several 'magic'
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* numbers derived from their circuit design. These values are used
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* by default.
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*
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* The tables used came from the datasheets "538U VT
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* Table__20_200(v1.3).pdf" and "538RT_table.pdf".
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* The tables used came from the "538U VT
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* Table__20_200(v1.3).pdf" and "538RT_table.pdf" datasheets.
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*
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* These tables assume the object to be measured is 9cm (3.54
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* These tables assume the object to be measured is 9 cm (3.54
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* inches) from the sensor.
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*
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* @image html otp538u.jpg
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@ -71,71 +71,71 @@ namespace upm {
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class OTP538U {
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public:
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/**
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* OTP538U sensor constructor
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* OTP538U constructor
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*
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* @param pinA analog pin to use for Ambient temperature
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* @param pinO analog pin to use for Object temperature
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* @param aref analog reference voltage, default 5.0
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* @param pinA Analog pin to use for the ambient temperature
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* @param pinO Analog pin to use for the object temperature
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* @param aref Analog reference voltage; default is 5.0 V
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*/
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OTP538U(int pinA, int pinO, float aref = 5.0);
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/**
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* OTP538U Destructor
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* OTP538U destructor
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*/
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~OTP538U();
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/**
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* Get the ambient temperature in C
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* Gets the ambient temperature in Celsius
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*
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* @return the ambient temperature
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* @return Ambient temperature
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*/
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float ambientTemperature();
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/**
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* Get the object temperature in C
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* Gets the object temperature in Celsius
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*
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* @return the object's temperature
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* @return Object temperature
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*/
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float objectTemperature();
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/**
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* Set the offset voltage
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* Sets the offset voltage
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*
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* The Seeedstudio wiki gives an example on calibrating the sensor
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* and calculating the offset voltage to apply. Currently, the
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* The Seeed Studio wiki gives an example of calibrating the sensor
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* and calculating the offset voltage to apply. Currently, the
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* default value is set, but you can use the function to set one
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* of your own.
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*
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* @param vOffset the desired offset voltage
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* @param vOffset Desired offset voltage
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*/
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void setVoltageOffset(float vOffset) { m_offsetVoltage = vOffset; };
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/**
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* Set the output resistance value
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* Sets the output resistance value
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*
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* The Seeedstudio wiki example uses a value, 2000000 in one of
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* the equations used to calculate a voltage. The value is the
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* The Seeed Studio wiki example uses a value of 2,000,000 in one of
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* the equations used to calculate voltage. The value is the
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* resistance of a resistor they use in the output stage of their
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* SIG2 output. This was 'decoded' by looking at the eagle files
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* SIG2 output. This was 'decoded' by looking at the EAGLE* files
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* containing their schematics for this device.
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*
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* @param outResistance value of output resistor, default 2M Ohm.
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* @param outResistance Value of the output resistor; default is 2M Ohm
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*/
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void setOutputResistence(int outResistance) {
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m_vResistance = outResistance; };
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/**
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* Set the voltage reference of the internal seedstudio voltage
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* Sets the reference voltage of the internal Seeed Studio voltage
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* regulator on the sensor board.
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*
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* The Seeedstudio wiki example uses a value, 2.5 in one of the
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* The Seeed Studio wiki example uses a value of 2.5 in one of the
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* equations used to calculate the resistance of the ambient
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* thermistor. The value is the voltage of an internal voltage
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* regulator used in the sensor board. This was 'decoded' by
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* looking at the eagle files containing their schematics for this
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* thermistor. The value is the voltage of an internal voltage
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* regulator used on the sensor board. This was 'decoded' by
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* looking at the EAGLE files containing their schematics for this
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* device.
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*
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* @param vref internal sensor voltage reference, default 2.5
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* @param vref Reference voltage of the internal sensor; default is 2.5 V
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*/
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void setVRef(float vref) { m_vref = vref; };
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@ -22,9 +22,9 @@
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// This table was taken from the 538RT_table.pdf datasheet. It maps
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// This table was taken from the '538RT_table.pdf' datasheet. It maps
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// resistance values to ambient temperatures starting at -20C and
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// going to 200C in increments of 1C
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// going up to 200C in increments of 1C
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static const int otp538u_rt_table_max = 121;
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@ -22,12 +22,12 @@
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// This table was taken from the 538U VT Table__20_200(v1.3).pdf
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// This table was taken from the '538U VT Table__20_200(v1.3).pdf'
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// datasheet, but the 25C column has been removed for consistency.
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static const int otp538u_vt_table_max = 23;
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// Thermister temperature (C)
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// Thermistor temperature (C)
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// { -20 -10 0 10 20 30 40 50 60 70 80 90 100 }
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static float otp538u_vt_table[otp538u_vt_table_max][13] = {
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