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70 lines
1.4 KiB
70 lines
1.4 KiB
/*
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* ADS101x.h
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*
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* Created on: Jul 20, 2017
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* Author: Elmar
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*/
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#ifndef APP_ADS101X_H_
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#define APP_ADS101X_H_
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#include <stdint.h>
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#include "adc.h"
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namespace rijnfel {
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namespace ads {
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//Voltage in uV
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typedef int32_t ads_voltage_t;
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enum eInputMux {
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AIN_0_1, AIN_0_3, AIN_1_3, AIN_2_3, AIN_0, AIN_1, AIN_2, AIN_3
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};
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enum eGainAmplifier {
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FSR_6_144, FSR_4_096, FSR_2_048, FSR_1_024, FSR_0_512, FSR_0_256
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};
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enum eSampleSpeed {
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SPS_128, SPS_250, SPS_490, SPS_920, SPS_1600, SPS_2400, SPS_3300
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};
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struct ads_sample_t {
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int16_t rawSample;
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enum eInputMux mux;
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enum eGainAmplifier gain;
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};
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class cADS101x: cADC<ads_sample_t, ads_voltage_t> {
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public:
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cADS101x(uint8_t i_address = 0x48);
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cADS101x(uint8_t i_readyPin, uint8_t i_address = 0x48);
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void SetOneShot(bool i_oneShot = true);
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void SetGain(enum eGainAmplifier i_gain);
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void SetMux(enum eInputMux i_mux);
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void SetSampleSpeed(enum eSampleSpeed i_speed);
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virtual void WaitSample(void);
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virtual bool IsReady(void);
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uint16_t GetSettings(void);
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virtual ads_sample_t RawSample(void);
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virtual ads_voltage_t ConvertSample(ads_sample_t & sample);
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virtual ~cADS101x() {
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}
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private:
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uint16_t CreateSettings(uint8_t i_startSample);
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void WriteSettings(uint16_t i_settings);
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void SetDefaults(void);
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void OneShot(void);
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private:
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uint8_t m_address, m_readyPin;
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bool m_oneShot;
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enum eInputMux m_mux;
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enum eGainAmplifier m_gain;
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enum eSampleSpeed m_sampleSpeed;
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};
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}
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}
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#endif /* APP_ADS101X_H_ */
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