h1 = dataim.hex[0].split(/(.{6})(.{6})(.{6})(.{4})/).filter((d) => d.length)
parseInt(h1[3], 16)
SBE37Hex15(dataim.hex[0])
SBE37DateTime(SBE37Hex15(dataim.hex[0]).value.dt)
function SBE37Temperature(count, coef) {
}
{
const a = 631380;
const ab = new ArrayBuffer(4);
const v = new DataView(ab);
v.setInt32(0, a);
console.log(ab.slice(1));
console.log(ab);
return ab;
}
function writeSBE37raw(tc, cf, pc, ptv, dts) {
// temp count, conductivity frequency, pressure count, pressure temp value, date time seconds
const result = new ArrayBuffer(16);
const view = new DataView(result);
// temporal
const ab = new ArrayBuffer(8);
const abv = new DataView(ab);
// temp count
abv.setUint32(0, tc, true);
view.setUint8(0, abv.getUint8(1, true));
view.setUint8(1, abv.getUint8(2, true));
view.setUint8(2, abv.getUint8(3, true));
// conductivty frequency
const cfInt = ~~(cf * 256);
abv.setUint32(0, cfInt, true);
view.setUint8(3, abv.getUint8(1, true));
view.setUint8(4, abv.getUint8(2, true));
view.setUint8(5, abv.getUint8(3, true));
// pressure count
abv.setUint32(0, pc, true);
view.setUint8(6, abv.getUint8(1, true));
view.setUint8(7, abv.getUint8(2, true));
view.setUint8(8, abv.getUint8(3, true));
// pressure temp value
view.setUint16(9, ptv, true);
// date time at 11
view.setUint32(11, dts, true)
console.log(result);
return result;
}
function abHex(ab) {
const len = ab.length;
const r = [];
for (let i = 0; i < len; i++) {
const v = ab.slice(i, 1)[0];
r.push(v.toString(16));
}
return r.join(" ");
}
oo = writeSBE37raw(600000, 5012.123, 501234, 1570, 770825395)
{
/*
const ptBits = (ta[b++] << 8) | ta[b++];
// -- Maybe they are using AD590 temperature
// -- Pressure sensor temperature: 12-bit number is binary
// representation of temperature, ranging from 0 to 4095
// (2500 corresponds to approximately 22 ºC,
// typical room temperature)
// I guess : Celsius = f * M + B
result['psT'] = ptBits >>> 4;
*/
// const psTC = c.psT * sensors.f2.coef.AD590M + sensors.f2.coef.AD590B;
// t = PTEMPA0 + PTEMPA1 * compensation_voltage + PTEMPA2 * compensation_voltage**2
const v = 2100; //parseInt(h1[3], 16);
// 13107
return ptempa0 + ptempa1 * v + ptempa2 * Math.pow(v, 2);
}
new Date((seconds + parseInt(h1[4], 16)) * 1000)
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
