mirror of
https://github.com/alexhopeoconnor/firmware.git
synced 2026-10-17 00:51:30 +10:00
Thomas GöttgensandCopilot
6b44b5786e
* fix detection of SCD30 by checking if thee size of the return from a 2 byte register read is correct fix signedness warning in PMSA003 sensor code. * Add alternate path for LPS22HB Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * check EndTransmission for errors and compare returned length to expected value Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
#pragma once
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#include "configuration.h"
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#if !MESHTASTIC_EXCLUDE_I2C
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#include <map>
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#include <memory>
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#include <stddef.h>
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#include <stdint.h>
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#include <Wire.h>
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#include "ScanI2C.h"
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#include "../concurrency/Lock.h"
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class ScanI2CTwoWire : public ScanI2C
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{
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public:
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void scanPort(ScanI2C::I2CPort) override;
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void scanPort(ScanI2C::I2CPort, uint8_t *, uint8_t) override;
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ScanI2C::FoundDevice find(ScanI2C::DeviceType) const override;
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bool exists(ScanI2C::DeviceType) const override;
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size_t countDevices() const override;
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static TwoWire *fetchI2CBus(ScanI2C::DeviceAddress);
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protected:
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FoundDevice firstOfOrNONE(size_t, DeviceType[]) const override;
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private:
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typedef struct RegisterLocation {
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DeviceAddress i2cAddress;
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RegisterAddress registerAddress;
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RegisterLocation(DeviceAddress deviceAddress, RegisterAddress registerAddress)
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: i2cAddress(deviceAddress), registerAddress(registerAddress)
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{
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}
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} RegisterLocation;
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typedef uint8_t ResponseWidth;
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std::map<ScanI2C::DeviceAddress, ScanI2C::DeviceType> foundDevices;
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// note: prone to overwriting if multiple devices of a type are added at different addresses (rare?)
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std::map<ScanI2C::DeviceType, ScanI2C::DeviceAddress> deviceAddresses;
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concurrency::Lock lock;
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uint16_t getRegisterValue(const RegisterLocation &, ResponseWidth, bool) const;
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bool i2cCommandResponseLength(DeviceAddress addr, uint16_t command, uint8_t expectedLength) const;
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DeviceType probeOLED(ScanI2C::DeviceAddress) const;
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static void logFoundDevice(const char *device, uint8_t address);
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};
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#endif |