functions for converting data to send over syses

sysex_byte_functions.js

const convertBytes = (byteArray) => {
  // converts arrays of 2 or 3 bytes into there integer values
    if (byteArray.length === 2) {
      return byteArray[1] * 128 + byteArray[0];
    } else if (byteArray.length === 3) {
      return byteArray[2] * 16384 + byteArray[1] * 128 + byteArray[0];
    } 
  }
  
  
  const convertInt = (integer) => {
    // splits integers up to 2097152 into three bytes
          const bytes = [
              Math.floor(integer % 128),
              Math.floor((integer / 128) % 128),
              Math.floor((integer / Math.pow(128, 2)) % 128)
          ];
          return bytes
      }