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45 lines
779 B
45 lines
779 B
#include <SoftwareSerial.h>
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#include <Wire.h>
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#define RE D5
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#define DE D6
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const byte O2[] = {0x01 ,0x03 ,0x00 ,0x00 ,0x00 ,0x02 ,0xC4 ,0x0B};
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byte values[20];
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SoftwareSerial mod(D7, D8); // RO / DI
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void setup() {
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Serial.begin(9600);
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mod.begin(4800);
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pinMode(RE, OUTPUT);
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pinMode(DE, OUTPUT);
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}
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void loop() {
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int val1 = 0 ;
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Calculate();
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val1 = values[4];
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Serial.print("v: ");
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Serial.println(val1);
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delay(1000);
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}
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byte Calculate() {
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digitalWrite(DE, HIGH);
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digitalWrite(RE, LOW);
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delay(10);
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if (mod.write(O2, sizeof(O2)) == 8) {
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digitalWrite(DE, LOW);
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digitalWrite(RE, LOW);
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for (byte i = 0; i < 11; i++) {
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//Serial.print(mod.read(),HEX);
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values[i] = mod.read();
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//Serial.print(values[i], HEX);
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//Serial.print(" ");
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}
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Serial.println();
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}
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return values[6];
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}
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