DIY Si4730 All Band Radio (LW, MW, SW, FM)

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CodeC/C++

/************************************************** ********************************************** ** JCR Si4730/5-ontvanger LW/MW/SW/FM - versie om te delen. Zie schema's voor bedradingsdetails. Geschreven door Julio C. Rosa - The CesarSound - mei/2019 Opdrachten:radio.volumeUp(); radio.volumeDown();radio.seekDown(); radio.seekUp(); radio.mute(); radio.unmute(); radio.setMode(FM); radio.tuneFrequency(9490); radio.getStatus(); radio.getVolume(); radio.getMode(); radio.getMute(); radio.toggleMute(); RSQMetrics rsq; radio.getRSQ(&rsq); (rsq.stereo); print_number(rsq.stereoBlend); print_number(rsq.SNR); (rsq.zoekbaar); print_number(rsq.RSSI); print_mode(); print_station_freq(); print_volume(); print_mute(); print_home(); radio.getCallSign(callSign); printp(rds1); Serial.write(callSign); radio.getProgramTypeStr(programmaType); Serieel.schrijven (programmatype); (rds1); (rds2); (rds3); (rds4); (rds5);************************************************** ********************************************** *****/// Library#include #include #include #include "Wire.h"// I/O SettingsRotary r =Rotary(2, 3 );LiquidCrystal lcd (12, 13, 7, 6, 5, 4);const byteband =A0;// Variabele instellingunsigned int freq =880;unsigned int freqmax =10800;unsigned int freqmin =50;unsigned int fstep =10;unsigned int freqold;unsigned int buttonstate;unsigned int count =15;// Maak een instantie van de Si4730/5 met de naam radio.Si4735 radio;void setup() { lcd.begin(16, 2); PCICR |=(1 <>"); lcd.setCursor (3, 0); lcd.print(":"); lcd.setCursor(13, 0); lcd.print("kHz");}// Encoder InterruptISR(PCINT2_vect) { unsigned char result =r.process(); if (resultaat) {if (resultaat ==DIR_CW) { freq =freq + fstep; if (freq>=freqmax) { freq =freqmax; } } else { freq =freq - fstep; if (freq <=freqmin) { freq =freqmin; } } }}void loop() { if (freqold !=freq) { tune(); } freqoud =freq; lcd.setCursor (5, 0); lcd.print(freq); lcd.print(" "); buttonstate =digitalRead (band); // Selecteer de bandas if (buttonstate ==LAAG) {inc_preset(); while (digitalRead(band) ==0); } // Medidor - S-Meter (dBu) e SNR (dB) - verwijder commentaar als u RSQMetrics rsq wilt gebruiken; radio.getRSQ(&rsq); lcd.setCursor(0, 2); lcd.print("dBu:"); lcd.print(rsq.RSSI); lcd.setCursor(9, 2); lcd.print("dB:"); lcd.print(rsq.SNR);}// Voorinstellingen INCvoid inc_preset() { count++; als (telling> 15) telling =1; bandvoorinstellingen(); delay(100);}// Presets Selector de Bandasvoid bandpresets() { lcd.setCursor(0, 0); schakelaar (tel) { geval 1:freq =370; radio.setMode(LW); radio.tuneFrequency(freq); command_am(); fstap =5; lcd.print("LW1"); pauze; geval 2:freq =620; radio.setMode(AM); radio.tuneFrequency(freq); fstap =5; lcd.print("MW1"); pauze; geval 3:freq =840; radio.setMode(AM); radio.tuneFrequency(freq); fstap =5; lcd.print("MW2"); pauze; geval 4:freq =3700; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW0"); pauze; geval 5:freq =4985; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW1"); pauze; geval 6:freq =6010; radio.setMode(SW); radio.tuneFrequency(freq); fstap =1; lcd.print("SW2"); pauze; geval 7:freq =7200; radio.setMode(SW); radio.tuneFrequency(freq); fstap =1; lcd.print("SW3"); pauze; geval 8:freq =10000; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW4"); pauze; geval 9:freq =11940; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW5"); pauze; geval 10:freq =13710; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW6"); pauze; geval 11:freq =15400; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW7"); pauze; geval 12:freq =17560; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW8"); pauze; geval 13:freq =21505; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("SW9"); pauze; geval 14:freq =27015; radio.setMode(SW); radio.tuneFrequency(freq); fstap =5; lcd.print("CB1"); pauze; geval 15:freq =9700; radio.setMode(FM); radio.tuneFrequency(freq); fstap =10; lcd.print("FM1"); pauze; }}//Sintonizador - tunervoid tune() { radio.tuneFrequency(freq);}// Commando's soft mute uit / AVC max gainvoid command_am() { radio.setProperty(PROP_AM_SOFT_MUTE_MAX_ATTENUATION, 0); // 0 (UIT) - 63 radio.setProperty (PROP_AM_AUTOMATIC_VOLUME_CONTROL_MAX_GAIN, 0x3A98); // 1000 - 7800}

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