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PMSA003I: add support for driving SET pin low while not actively taking a telemetry reading (#6569)

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* support manually shutting off power to the PMSA003I sensor when we aren't doing a telemetry reading

* add comment about PMSA003I_WARMUP_MS to AirQualityTelemetry.cpp

* fix typos, use arduino gpio defines instead of magic numbers

* support manually shutting off power to the PMSA003I sensor when we aren't doing a telemetry reading

* add comment about PMSA003I_WARMUP_MS to AirQualityTelemetry.cpp

* fix typos, use arduino gpio defines instead of magic numbers

* RAK4631: add PMSA003I_ENABLE_PIN define

* fix indentation

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Colin
2025-04-29 04:31:01 -07:00
committed by GitHub
parent b4e8f7dbb6
commit 72eae42b81
3 changed files with 71 additions and 13 deletions
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14
src/modules/Telemetry/AirQualityTelemetry.h
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@@ -23,6 +23,14 @@ class AirQualityTelemetryModule : private concurrency::OSThread, public Protobuf
setIntervalFromNow(10 * 1000);
aqi = Adafruit_PM25AQI();
nodeStatusObserver.observe(&nodeStatus->onNewStatus);
#ifdef PMSA003I_ENABLE_PIN
// the PMSA003I sensor uses about 300mW on its own; support powering it off when it's not actively taking
// a reading
state = State::IDLE;
#else
state = State::ACTIVE;
#endif
}
protected:
@@ -42,6 +50,12 @@ class AirQualityTelemetryModule : private concurrency::OSThread, public Protobuf
bool sendTelemetry(NodeNum dest = NODENUM_BROADCAST, bool wantReplies = false);
private:
enum State {
IDLE = 0,
ACTIVE = 1,
};
State state;
Adafruit_PM25AQI aqi;
PM25_AQI_Data data = {0};
bool firstTime = true;