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33 lines
743 B
33 lines
743 B
/* |
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This sketch demonstrates, how to use the SoftRS485 library. |
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This library makes use of Arduinos timer 1 |
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*/ |
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#include <SoftRS485.h> |
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const int buttonPin = 10; // the number of the pushbutton pin |
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boolean button_state = true; |
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void setup() { |
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Serial.begin(115200); |
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init485(2,3,4,5); // library initialization: |
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// connect pin 2 to RO of Max485 |
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// connect pin 3 to ^RE of Max485 |
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// connect pin 4 to DE of Max485 |
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// connect pin 5 to DI of Max485 |
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pinMode(buttonPin, INPUT_PULLUP); |
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} |
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void loop(){ |
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boolean new_state = digitalRead(buttonPin); |
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if (new_state != button_state){ |
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button_state = new_state; |
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if (new_state == LOW){ |
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send485("Button pressed"); |
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} else { |
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send485("Button released"); |
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} |
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} |
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}
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