75 lines
1.3 KiB
Arduino
75 lines
1.3 KiB
Arduino
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//
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// FILE: KT0803_up_down.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: minimal demo
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// URL: https://github.com/RobTillaart/KT0803
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#include "Arduino.h"
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#include "Wire.h"
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#include "KT0803.h"
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KT0803 FM_SEND;
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// connect two buttons to GND
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// adjust pins to your needs,
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uint8_t UP_PIN = 6;
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uint8_t DOWN_PIN = 7;
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float freq = 100.0;
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float newFreq = 100.0;
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void setup()
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{
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Serial.begin(115200);
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while(!Serial);
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Serial.println();
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Serial.println(__FILE__);
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Serial.print("KT0803_LIB_VERSION: ");
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Serial.println(KT0803_LIB_VERSION);
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Serial.println();
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pinMode(UP_PIN, INPUT_PULLUP);
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pinMode(DOWN_PIN, INPUT_PULLUP);
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Wire.begin();
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FM_SEND.begin(freq, false);
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}
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void loop()
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{
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// adjust frequency with up and down button.
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uint8_t u = digitalRead(UP_PIN);
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uint8_t d = digitalRead(DOWN_PIN);
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if ((u == 0) && (d == 0))
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{
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newFreq = 100.0;
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}
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else if (u == 0)
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{
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newFreq += 0.1;
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if (newFreq > 108.0) newFreq = 108.0;
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}
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else if (d == 0)
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{
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newFreq -= 0.1;
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if (newFreq < 88.0) newFreq = 88.0;
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}
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if (newFreq != freq)
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{
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freq = newFreq;
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FM_SEND.setFrequency(freq);
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Serial.print("Freq: ");
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Serial.print(FM_SEND.getFrequency());
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Serial.print("\t");
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Serial.println(FM_SEND.getChannel());
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delay(100);
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}
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}
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// -- END OF FILE --
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