Crazypedia
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#pragma once
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#include "Tactility/hal/power/PowerDevice.h"
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#include <Bq27220.h>
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#include <tactility/device.h>
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#include <memory>
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using tt::hal::power::PowerDevice;
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// Power device for the LilyGO T-Deck Max. Battery metrics come from the BQ27220
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// fuel gauge (I2C 0x55); charging status, charge control and power-off (ship
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// mode, REG09 BATFET_DIS) use the SY6970 charger. Newer T-Deck Max revisions
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// ship the SY6970 (0x6A) instead of the older BQ25896 (0x6B); this board has
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// the SY6970 (confirmed by I2C scan). The two are register-compatible for
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// everything used here.
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class TdeckmaxPower final : public PowerDevice {
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std::shared_ptr<Bq27220> gauge;
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::Device* i2c; // i2c0 controller, used to reach the SY6970 charger
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bool configureCharger() const;
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public:
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TdeckmaxPower(const std::shared_ptr<Bq27220>& gauge, ::Device* i2c) : gauge(gauge), i2c(i2c) {
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configureCharger();
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}
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std::string getName() const final { return "T-Deck Max Power"; }
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std::string getDescription() const final { return "Battery metrics (BQ27220), SY6970 charging and power-off"; }
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bool supportsMetric(MetricType type) const override;
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bool getMetric(MetricType type, MetricData& data) override;
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bool supportsChargeControl() const override { return true; }
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bool isAllowedToCharge() const override;
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void setAllowedToCharge(bool canCharge) override;
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bool supportsPowerOff() const override { return true; }
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void powerOff() override;
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};
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