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38 lines
953 B
38 lines
953 B
/* |
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* Demonstrates how to use LCDisplay in conjunction with SoftRS485: |
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* |
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* The main _loop_ of this program listens on the RS485 bus. |
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* Whenever a message is received from the bus, it is displayed on the LCD. |
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*/ |
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// include the library code: |
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#include <SoftRS485.h> |
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#define Max485_RO 2 // read-output of Max485 |
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#define Max485_RE 3 // not-read-enable of Max485 |
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#define Max485_DE 8 // data enable of Max485 |
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#define Max485_DI 9 // data input of Max485 |
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#define PROGRAM "{hw:RS485-Nano rev 2.1,firmware:Transceiver,version:1.0}" |
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String message = ""; |
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char c; |
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void setup() { |
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Serial.begin(115200); |
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init485(Max485_RO,Max485_RE,Max485_DE,Max485_DI); // library initialization: |
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send485(PROGRAM); |
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} |
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void loop() { |
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if (available485()) Serial.println(get485message()); |
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if (Serial.available()) { |
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c = (char)Serial.read(); |
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if (c == '\n') { |
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send485(message.c_str()); |
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message = ""; |
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} else { |
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message += c; |
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} |
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} |
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}
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