/* * Demonstrates how to use LCDisplay in conjunction with SoftRS485: * * The main _loop_ of this program listens on the RS485 bus. * Whenever a message is received from the bus, it is displayed on the LCD. */ // include the library code: #include #define Max485_RO 3 // read-output of Max485 #define Max485_RE 5 // not-read-enable of Max485 #define Max485_DE 9 // data enable of Max485 #define Max485_DI 8 // data input of Max485 #define PROGRAM "{hw:RS485-Nano rev 2.0,firmware:Transceiver,version:1.0}" String message = ""; char c; void setup() { Serial.begin(115200); init485(Max485_RO,Max485_RE,Max485_DE,Max485_DI); // library initialization: send485(PROGRAM); } void loop() { if (available485()) Serial.println(get485message()); if (Serial.available()) { c = (char)Serial.read(); if (c == '\n') { send485(message.c_str()); message = ""; } else { message += c; } } }