C3MA/DD3-LoRa-Bridge-MultiSender
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Calibrate battery ADC and document LiPo curve

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- Add BATTERY_CAL config and debug logging for raw ADC samples
- Use LiPo voltage curve (4.2V full, 2.9V empty) for % mapping
- Document battery calibration, curve, and debug output in README
This commit is contained in:
acidburns
2026-02-03 22:12:48 +01:00
parent b8a4c27daa
commit cd4c99f125
3 changed files with 70 additions and 12 deletions
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include/config.h
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@@ -70,6 +70,7 @@ constexpr uint32_t SENDER_OLED_READ_MS = 10000;
constexpr uint32_t METER_SAMPLE_INTERVAL_MS = 1000;
constexpr uint32_t METER_SEND_INTERVAL_MS = 30000;
constexpr uint32_t BATTERY_SAMPLE_INTERVAL_MS = 60000;
constexpr float BATTERY_CAL = 1.083f;
constexpr uint32_t BATCH_ACK_TIMEOUT_MS = 3000;
constexpr uint8_t BATCH_MAX_RETRIES = 2;
constexpr uint8_t METER_BATCH_MAX_SAMPLES = 30;