37 lines
611 B
C++
37 lines
611 B
C++
#ifndef __NTC_H
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#define __NTC_H
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#ifndef rRef
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#define rRef 10000
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#endif
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#define NTC_COUNT 32
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#define NTC_MASK (NTC_COUNT - 1)
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#include <esp_adc/adc_oneshot.h>
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class NTC_10K {
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private:
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//lookup table
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//float resistance[64];
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//int16_t temp_C[64];
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int16_t temps[NTC_COUNT];
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int16_t temp_sum;
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int16_t temp_idx;
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float _vRef;
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int _RESO;
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bool m_bNegativePolarity;
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int16_t m_nTemp;
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float m_fTemp;
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float m_fLastTemp;
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adc_oneshot_unit_handle_t adc1_handle;
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public:
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void setup(bool bNegativePolarity);
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void readSensor();
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inline int16_t getTemp() { return m_nTemp; };
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};
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extern NTC_10K ntc;
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#endif |