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55 lines
1.5 KiB
55 lines
1.5 KiB
3 years ago
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/**
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* @brief
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*
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* Temperature measurements must be enabled for the DPS422 to compensate for temperature drift in the pressure measurement.
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* @file Dps422.h
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* @author Infineon Technologies
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* @date 2018-08-22
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*/
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#ifndef DPS422_H_INCLUDED
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#define DPS422_H_INCLUDED
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#include "DpsClass.h"
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#include "util/dps422_config.h"
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class Dps422 : public DpsClass
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{
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public:
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int16_t getContResults(float *tempBuffer, uint8_t &tempCount, float *prsBuffer, uint8_t &prsCount);
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/**
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* @brief Set the source of interrupt (FIFO full, measurement values ready)
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*
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* @param intr_source Source of interrupt as defined by Interrupt_source_420_e
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* @param polarity
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* @return int16_t
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*/
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int16_t setInterruptSources(uint8_t intr_source, uint8_t polarity = 1);
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/**
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* @brief measures both temperature and pressure values, when op mode is set to CMD_BOTH
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*
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* @param prs reference to the pressure value
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* @param temp prs reference to the temperature value
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* @return status code
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*/
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int16_t measureBothOnce(float &prs, float &temp); // might make sense to declare in base class for future sensors
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int16_t measureBothOnce(float &prs, float &temp, uint8_t prs_osr, uint8_t temp_osr);
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protected:
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//compensation coefficients (for simplicity use 32 bits)
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float a_prime;
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float b_prime;
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int32_t m_c02;
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int32_t m_c12;
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/////// implement pure virtual functions ///////
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void init(void);
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int16_t readcoeffs(void);
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int16_t flushFIFO();
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float calcTemp(int32_t raw);
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float calcPressure(int32_t raw);
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};
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#endif
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