Add RAK11200 / RAK13300 variant#1925
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andyshinn
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Mar 5, 2026
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Seems to work. I flashed on mine locally. |
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Great, just added a wifi variant too. https://mcimages.weebl.me/?commitId=ashinn/rak11200-support-rebased&variant=RAK_11200_companion_radio_wifi |
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@liamcottle @ripplebiz This PR supersedes #800 and addresses all comments that were made there. I've checked against RAK11200 and RAK13300 datasheets and am pretty sure all mappings are correct now. @andyshinn confirms it's working. No clue how common this board is these days but the variant works. Summary of changes made compared to #800 Pin corrections:
Board code cleanup:
Header file (pins.h) simplified:
Radio code improved:
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- Fix I2C pins in variant.h (GPIO21/22 → GPIO4/5 per datasheet) - Fix GPS UART pins in platformio.ini (UART0 1/3 → UART1 21/19) - Fix radio_set_tx_power signature (uint8_t → int8_t) - Remove conflicting duplicate defines between variant.h and Board.h (P_LORA_BUSY was RADIOLIB_NC vs 13, ADC_MULTIPLIER was 1.85 vs 5761) - Remove stale LoRa/WisBlock defines from variant.h (Board.h is authoritative) - Remove "ethernet" and "can" from board JSON connectivity - Use static SPIClass for radio init (matches Heltec V3 convention) - Remove build_unflags=-Os (keep size optimization for 4MB flash) Verified against RAK11200/RAK13300 datasheets
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Supersedes PR #800
@zenire @andyshinn please test this firmware:
This PR can be closed if andyshinn#1 is mergedOriginal PR closed in favor of this one.This fw is tested and works.