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Common Message Layer (CML)

Generate code from protobufs

docker build -t cml:latest .

docker run -v $PWD:/usr/local/cml -it cml:latest /bin/sh -c 'cd /usr/local/cml && ./generate.sh'

Message Structure

Token HI Token LO Addr HI Addr LO Length HI Length LO CRC HI CRC LO CML Payload
CML Payload
Type UNSPECIFIED, INFORM, GET, SET
Acknowledge OUT, RETRY, IN, NACK
Timestamp unsigned 64-bit integer, unix epoch in milliseconds
Time-to-live (TTL) unsigned 64-bit integer, time in milliseconds
CML Inner Payload Type Raw, Client, Device, Status
CML Inner Payload bytes, see below
CML Inner Payloads
Raw raw bytes or unspecified
Device Config, status, generic digital, generic analog, accelerometer, gyroscrope, magnetometer, motor, location
Client Config, status