Auto485 | small Arduino library that takes some the tedium

Auto485(int DE_pin) Creates a new Auto485 object. The Driver and Receiver Enable pins on the MAX485 are connected together. Auto485(int DE_pin, int RE_pin) Creates a new Auto485 object. The Driver and Receiver Enable pins on the MAX485 are connected to separate pins on the Arduino. Auto485(int DE_pin, int RE_pin, HardwareSerial serial_port) Creates a new Auto485 object using the specified serial port. Usually the defaults are fine (Serial on most boards, Serial1 on the Leonardo and other USBCOM boards). If you are using a Mega with multiple serial ports this lets you choose which serial port to use. Auto485::TX, Auto485::RX These are constants to let you toggle the mode of the bus. begin(baud), begin(baud, config) Initiate a serial connection at the given speed, and optionally with the given config settings (e.g. SERIAL_8N2 to use two stop bits, etc). set_mode(Auto485::TX), set_mode(Auto485::RX) Manually change to transmit or receive mode. When returning to receive mode, the function will pause until all pending serial data has been sent. write(…​), print(…​) When in receive mode, the first call to any output functions will change to transmit mode, then send out the data as expected. It handles all the formatting options of the regular Arduino print and write functions.