Lua Read Write Serial Port

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Write one or more strings or 8-bit integers (raw data) to the serial port. If writing raw data, its value (represented by an integer) must be between 0 and 255. Arguments: id - the ID of the serial port. Data1 - the first string/8-bit integer to write. Data2 (optional) - the second string/8-bit integer to write.

A Lua library for the Arduino written in C This is using the POSIX library which should work on oUNIX environments. Using this library you'll be able to send and receive data from the Arduino. See the arduinotest.lua and arduinotest.ino for an example of sending data to the arduino and then receiving the data back. Code derived from requirements • Lua 5.1.x build tcc -shared -llua serial.c -o serial.so TO USE Require the library: local serial = require('serial') Open a connection to an arduino (port is the filedescriptor, msg is error if failed to open) port, msg = serial.open('/dev/tty.usbserial-A600agDn', 9600) if port==-1 then error('Unable to open port - error: '.msg) end Write a string (c is number of bytes written, msg is error if failed) c, msg = serial.write(port, 'hello') if c.