9ac4be8b75
Reset the TWI bus after the soft-reset of the motion sensor to workaround issues on the TWI bus.
43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
#pragma once
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#include <drivers/Bma421_C/bma4_defs.h>
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namespace Pinetime {
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namespace Drivers {
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class TwiMaster;
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class Bma421 {
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public:
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struct Values {
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uint32_t steps;
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int16_t x;
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int16_t y;
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int16_t z;
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};
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Bma421(TwiMaster& twiMaster, uint8_t twiAddress);
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Bma421(const Bma421&) = delete;
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Bma421& operator=(const Bma421&) = delete;
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Bma421(Bma421&&) = delete;
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Bma421& operator=(Bma421&&) = delete;
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/// The chip freezes the TWI bus after the softreset operation. Softreset is separated from the
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/// Init() method to allow the caller to uninit and then reinit the TWI device after the softreset.
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void SoftReset();
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void Init();
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Values Process();
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void ResetStepCounter();
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void Read(uint8_t registerAddress, uint8_t *buffer, size_t size);
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void Write(uint8_t registerAddress, const uint8_t *data, size_t size);
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bool IsOk() const;
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private:
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void Reset();
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TwiMaster& twiMaster;
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uint8_t deviceAddress = 0x18;
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struct bma4_dev bma;
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bool isOk = false;
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bool isResetOk = false;
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};
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}
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} |