This should play if your Web browser has WebAssembly enabled (most do). Most examples will play unless they need to load files. The first time you click Play, Csound will spend a few seconds loading, then play. You can edit this code and replay it.
Arduino-Joystick2Csound1g-fm1-port (version with smoothing) - Push Joystick button to turn on note - Use JoystickX to offset and control the modulation index of the foscil opcode from 0-40 via the scale opcode - Use JoystickY to offset and control the Frequency of the foscil opcode up/down two octaves via the scale opcode <CsoundSynthesizer> <CsInstruments> ; Required settings for WebAudio: sr = 48000 ksmps = 128 nchnls = 2 nchnls_i = 1 ; sr = 44100 ; ksmps = 441 ; nchnls = 2 0dbfs = 1 giport init 0 // NOTE: change USB port "/dev/cu.usbmodem1414301" to correspond // with USB port used by Arduino on your system giport arduinoStart "//dev/ttyACM0", 9600 // for GNULinux instr 1 kk arduinoReadF giport, 1, 2, 3 printks "kk=%f\n", 0.5, kk endin </CsInstruments> <CsScore> f 1 0 16384 10 1 i 1 0 1 e </CsScore> </CsoundSynthesizer> <arduinoSketch> // Float Example // John ffitch & Richard Boulanger // December 7, 2020 // BreadBoard & Arduino Setup void setup() { // NOTE: Digital pins can be either inputs or outputs. Serial.begin(9600); } // put_val( ) - a function to send data values to the Csound // "arduinoRead" opcode // The first argument of the put_val function "int senChan" sets // the software channel number that Csound reads // NOTE: "senChan" does "not" define the input pin that is used on // the Arduino for a specific sensor // The specific Arduino input pin used by any sensor is assigned // and set elsewhere in the Arduino sketch and mapped to a // user-defined put_val "senChan" channel void put_val(int senChan, int senVal) // Set the Csound receive channel "senChan", and read from // the sensor data stream "senVal" { // The packing of the data is sssssvvv 0vvvvvvv where s is a // senChan bit, v a senVal bit and 0 is zero` bit int low = senVal&0x7f; int hi = ((senVal>>7)&0x0f) | ((senChan&0x0f)<<4); Serial.write(low); Serial.write(hi); } void put_float(int senChan1, int senChan2, int senChan3, float senVal) { typedef union { float f; long i; } JOINT; JOINT x; x.f = senVal; put_val(senChan1, (x.i>> 2)& 0x3ff); put_val(senChan2, (x.i>>12)& 0x3ff); put_val(senChan3, (x.i>>22)& 0x3ff); } void loop() { Serial.write(0xf8); // Synchronization Byte - (essential!) marks beginning of new serial frame put_float(1,2,3,1.23456789); delay(10); } </arduinoSketch>