You have some environmental sensors. You need to make them SDI-12 compatible.
I have generic SDI-12 "sensor" code ready to be adapted to your sensor(s). This code implements 100% of SDI-12 Specification 1.4 February 20 2023.
The only customizations needed are:
driver for your sensor(s)
transparent mode commands which are sensor and application dependent (e.g. sensor calibration)
salient features:
written entirely in C (who writes plain ordinary C anymore?!)
built on RIOT OS for ease of use and portability (also written in C)
mcu flash file system for calibration parameters, etc
firmware upgrade via usb drag 'n drop
all source code provided
contact: Frank
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SDI-12 / SDI12 / SDI 12 / Serial Data Interface @ 1200 baud