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Mesa SmartSerial (SSLBP) device template project

This is an Arduino IDE sketch that implements a simple (dummy) Mesa Electronic compatible SmartSerial device accessible from HostMot2/LinuxCNC. The code is a work in progress, so it's a bit ugly, but I hope to eventually clean it up when I fully understand/implement the SSLBP protocol.

While Arduino IDE is being used, it isn't strictly necessary as most of the code uses standard C and not Arduino-specific APIs. The code that deals with Serial/Serial1 could easily be ported to another API. Arduino IDE was only chosen for convenience.

Requirements

Hardware

This code was developed for a PJRC Teensy 3.2 (NXP/Freescale MX20DX256VLH7 ARM MCU). I used the hardware accelerated "Serial1" @ 2.5MBaud with a Texas Instruments SN75179BP RS-422 transceiver chip. A schematic is provided.

schematic

https://www.digikey.com/product-detail/en/texas-instruments/SN75179BP/296-6861-5-ND/370233

https://www.digikey.com/product-detail/en/nxp-usa-inc/MK20DX256VLH7/MK20DX256VLH7-ND/3742957

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Mesa SmartSerial (SSLBP) custom device template project

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  • C++ 73.3%
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