Move PMSA003I to separate class and update AQ telemetry (#7190)

src/modules/Telemetry/Sensor/PMSA003ISensor.h

@@ -0,0 +1,35 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_AIR_QUALITY_SENSOR
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+
+#define PMSA003I_I2C_CLOCK_SPEED 100000
+#define PMSA003I_FRAME_LENGTH  32
+#define PMSA003I_WARMUP_MS 30000
+
+class PMSA003ISensor : public TelemetrySensor
+{
+public:
+    PMSA003ISensor();
+    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
+    virtual bool initDevice(TwoWire *bus, ScanI2C::FoundDevice *dev) override;
+
+    virtual bool isActive() override;
+    virtual void sleep() override;
+    virtual uint32_t wakeUp() override;
+
+private:
+    enum class State { IDLE, ACTIVE };
+    State state = State::ACTIVE;
+
+    uint16_t computedChecksum = 0;
+    uint16_t receivedChecksum = 0;
+
+    uint8_t buffer[PMSA003I_FRAME_LENGTH]{};
+    TwoWire * _bus{};
+    uint8_t _address{};
+};
+
+#endif