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feat(RadioInterface): Tx power gain calculation rework (#6796)

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- Rename REGULATORY_GAIN_LORA to TX_GAIN_LORA
- Move gain-based Tx power clamping from RadioInterface::applyModemConfig() to RadioInterface::limitPower()
  - User-configured Tx power now matches the Tx power out of the device connector
- Re-order [LoRa Chip]Interface.cpp limitPower() to take place before the final Tx power clamping so we clamp based on the pre-PA Tx power rather than user-configured Tx power

Tested on XIAO BLE variant.

Signed-off-by: Andrew Yong <me@ndoo.sg>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Andrew Yong
2025-05-25 18:26:31 +07:00
committed by GitHub
parent 9b69c2a9af
commit e29588d2e2
8 changed files with 24 additions and 19 deletions
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4
variants/xiao_ble/variant.h
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@@ -145,12 +145,12 @@ static const uint8_t SCK = PIN_SPI_SCK;
#ifdef EBYTE_E22_900M30S
// 10dB PA gain and 30dB rated output; based on measurements from
// https://github.com/S5NC/EBYTE_ESP32-S3/blob/main/E22-900M30S%20power%20output%20testing.txt
#define REGULATORY_GAIN_LORA 7
#define TX_GAIN_LORA 7
#define SX126X_MAX_POWER 22
#endif
#ifdef EBYTE_E22_900M33S
// 25dB PA gain and 33dB rated output; based on TX Power Curve from E22-900M33S_UserManual_EN_v1.0.pdf
#define REGULATORY_GAIN_LORA 25
#define TX_GAIN_LORA 25
#define SX126X_MAX_POWER 8
#endif
#endif