tea5767_5110-nano.png (628.33 KB, 下載次數: 110)
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2020-5-7 22:41 上傳
- #include <TEA5767N.h> //https://github.com/mroger/TEA5767
- #include <LCD5110_Graph.h> //http://www.rinkydinkelectronics點com/library.php?id=48
- LCD5110 lcd(8,9,10,12,11);
- TEA5767N radio = TEA5767N();
- extern unsigned char BigNumbers[];
- extern unsigned char TinyFont[];
- extern uint8_t splash[];
- extern uint8_t signal5[];
- extern uint8_t signal4[];
- extern uint8_t signal3[];
- extern uint8_t signal2[];
- extern uint8_t signal1[];
- int analogPin = 0;
- int val = 0;
- int frequencyInt = 0;
- float frequency = 0;
- float previousFrequency = 0;
- int signalStrength = 0;
- void setup()
- {
- radio.setMonoReception();
- radio.setStereoNoiseCancellingOn();
- initScreen();
- showSplashScreen();
- Serial.begin(9600);
- }
-
- void loop() {
-
- for(int i;i<30;i++)
- {
- val = val + analogRead(analogPin);
- delay(1);
- }
-
- val = val/30;
- frequencyInt = map(val, 2, 1014, 8700, 10700); //Analog value to frequency from 87.0 MHz to 107.00 MHz
- float frequency = frequencyInt/100.0f;
- if(frequency - previousFrequency >= 0.1f || previousFrequency - frequency >= 0.1f)
- {
- lcd.clrScr();
- radio.selectFrequency(frequency);
- printSignalStrength();
- printStereo();
- printFrequency(frequency);
- previousFrequency = frequency;
- }
-
- lcd.clrScr();
- printSignalStrength();
- printStereo();
- printFrequency(frequency);
- delay(50);
- val = 0;
- }
- void initScreen()
- {
- lcd.InitLCD();
- lcd.setFont(BigNumbers);
- lcd.clrScr();
- }
- void showSplashScreen()
- {
- lcd.drawBitmap(0, 0, splash, 84, 48);
- lcd.update();
- delay(3000);
- lcd.clrScr();
- lcd.update();
- }
- void printFrequency(float frequency)
- {
- String frequencyString = String(frequency,1);
- if(frequencyString.length() == 4)
- {
- lcd.setFont(BigNumbers);
- lcd.print(frequencyString,14,12);
- lcd.update();
- }
- else
- {
- lcd.setFont(BigNumbers);
- lcd.print(frequencyString,0,12);
- lcd.update();
- }
- }
- void printStereo()
- {
- boolean isStereo = radio.isStereo();
- if(isStereo)
- {
- lcd.setFont(TinyFont);
- lcd.print("STEREO",55,2);
- }
- }
- void printSignalStrength()
- {
- signalStrength = radio.getSignalLevel();
- String signalStrenthString = String(signalStrength);
- if(signalStrength >=15)
- {
- lcd.drawBitmap(1, 1, signal5, 17 , 6);
- }else if(signalStrength >=11 && signalStrength <15)
- {
- lcd.drawBitmap(1, 1, signal4, 17 , 6);
- }
- else if(signalStrength >=9 && signalStrength <11)
- {
- lcd.drawBitmap(1, 1, signal3, 17 , 6);
- }
- else if(signalStrength >=7 && signalStrength <9)
- {
- lcd.drawBitmap(1, 1, signal2, 17 , 6);
- }
- else if(signalStrength <7)
- {
- lcd.drawBitmap(1, 1, signal1, 17 , 6);
- }
- }
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