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decoding flags
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@mazgch
mazgch committed Apr 30, 2024
1 parent dd0c2d4 commit 6378808
Showing 1 changed file with 65 additions and 14 deletions.
79 changes: 65 additions & 14 deletions monitor/js/engine.js
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Original file line number Diff line number Diff line change
Expand Up @@ -332,7 +332,9 @@ function processDecode(data, spec, littleEnd = true, ofsBit = 0) {
}
const neg = v & (1 << (size - 1));
const adj = ((type === 'i') && neg) ? (1 << size) : 0;
ofsBit = (ofsBit + size) % 8
ofsBit = (ofsBit + size) % 8;
if (ofsBit == 0) ofs ++;
v &= ((1 << size) - 1);
elem = v - adj;
} else {
// RTCM big endian format
Expand Down Expand Up @@ -401,13 +403,17 @@ function processDecode(data, spec, littleEnd = true, ofsBit = 0) {
return noArray ? elems[0] : elems;
}
} else if (spec.spec) {
let elems = [];
const repeat = _repeat(spec.repeat, fields);
for (let r = 0; (ofs < len) && ((repeat===undefined) || (r < repeat)); r ++ ) {
const elem = _decodeItem(spec.spec, elems);
if (elem !== undefined) elems.push(elem);
if (spec.repeat){
let elems = [];
const repeat = _repeat(spec.repeat, fields);
for (let r = 0; (ofs < len) && ((repeat===undefined) || (r < repeat)); r ++ ) {
const elem = _decodeItem(spec.spec, elems);
if (elem !== undefined) elems.push(elem);
}
return elems;
} else {
return _decodeItem(spec.spec, {});
}
return elems;
} else {
let elems = {};
for (let s = 0; (ofs < len) && (s < spec.length); s ++ ) {
Expand Down Expand Up @@ -677,12 +683,26 @@ const spec = {
{ name:'hour', type:'U1', unit:'h' },
{ name:'min', type:'U1', unit:'min' },
{ name:'sec', type:'U1', unit:'s' },
{ name:'valid', type:'X1', }, // bit0:validDate, bit1:validTime, bit2:fullyResolved
{ name:'valid', spec: [
{ name:'validDate', type:'x1' }, // bit0:validDate,
{ name:'validTime', type:'x1' }, // bit1:validTime,
{ name:'fullyResolved', type:'x1' }, // bit2:fullyResolved
{ type:'x5' } ] },
{ name:'valid', type:'X1', },
{ name:'tAcc', type:'U4', unit:'ns' },
{ name:'nano', type:'I4', unit:'ns' },
{ name:'fixType', type:'U1', },
{ name:'flags', type:'X1', }, // bit0:fixOk, bit1:diffSol, bit2-4: psmState, bit5:headVehVal, bit6-7:carrSol
{ name:'flags2', type:'X1', }, //
{ name:'flags', spec: [
{ name:'fixOk', type:'x1' }, // bit0:fixOk,
{ name:'diffSol', type:'x1' }, // bit1:diffSol,
{ name:'psmState', type:'x3' }, // bit2-4: psmState,
{ name:'headVehVal', type:'x1' }, // bit5:headVehVal,
{ name:'carrSol', type:'x2' } ] }, // bit6-7:carrSol
{ name:'flags2', spec: [
{ type:'x5' },
{ name:'confirmedAvai', type:'x1' },
{ name:'confirmedDate', type:'x1' },
{ name:'confirmedTime', type:'x1' } ] },
{ name:'numSV', type:'U1', },
{ name:'lon', type:'I4', scale:1e-7, unit:'deg' },
{ name:'lat', type:'I4', scale:1e-7, unit:'deg' },
Expand All @@ -704,9 +724,20 @@ const spec = {
'NAV-STATUS': { descr:'Receiver Navigation Status',
spec:[ { name:'itow', type:'U4', scale:1e-3, unit:'s' },
{ name:'gpsFix', type:'U1', }, // 0:no fix, 1:dead reckoning only, 2:2D-fix, 3:3D-fix, 4:GPS + dead reckoning combined, 5:Time only fix
{ name:'flags', type:'X1', }, // bit0:gpsFix, bit1:diffSol, bit2:wknSet, bit3:towSet
{ name:'fixStat', type:'X1', }, // bit0:dgpsIStat bit6/7:mapMatching
{ name:'flags2', type:'X1', }, // bit0/1:psmState, bit3/4:spoofDetState
{ name:'flags', spec: [
{ name:'fixOk', type:'x1' }, // bit0:fixOk,
{ name:'diffSol', type:'x1' }, // bit1:diffSol,
{ name:'wknSet', type:'x1' }, // bit2:wknSet,
{ name:'towSet', type:'x1' }, // bit3:towSet
{ type:'x4' } ] },
{ name:'fixStat', spec: [
{ name:'dgpsIStat', type:'x1' }, // bit0:dgpsIStat,
{ type:'x5' },
{ name:'mapMatching', type:'x2' } ] }, // bit6/7:mapMatching
{ name:'flags2', spec: [
{ name:'psmState', type:'x2' }, // bit0/1:psmState,
{ name:'spoofDetState', type:'x2' }, // bit3/4:spoofDetState
{ type:'x4' } ] },
{ name:'ttff', type:'U4', scale:1e-3, unit:'s' },
{ name:'msss', type:'U4', scale:1e-3, unit:'s' }, ] },
'NAV-VELECEF': { descr:'Velocity Solution in ECEF',
Expand Down Expand Up @@ -737,7 +768,27 @@ const spec = {
{ name:'elv', type:'I1', unit:'deg' },
{ name:'azim', type:'I2', unit:'deg' },
{ name:'prRes', type:'I2', scale:0.1, unit:'m' },
{ name:'flags', type:'X4', }, ] }, ] },
{ name:'flags', spec: [
{ name:'qualityInd', type:'x3' }, // bit0..2:qualityInd,
{ name:'svUsed', type:'x1' }, // bit3:svUsed,
{ name:'healthy', type:'x2' }, // bit4..5:healthy,
{ name:'diffCorr', type:'x1' }, // bit6:diffCorr
{ name:'smoothed', type:'x1' }, // bit7:smoothed
{ name:'orbitSource', type:'x3' }, // bit8..10:orbitSource
{ name:'ephAvail', type:'x1' }, // bit11:ephAvail
{ name:'almAvail', type:'x1' }, // bit12:almAvail
{ name:'anoAvail', type:'x1' }, // bit13:anoAvail
{ name:'aopAvail', type:'x1' }, // bit14:aopAvail
{ type:'x1' },
{ name:'sbasCorrUsed', type:'x1' }, // bit16:sbasCorrUsed
{ name:'rtcmCorrUsed', type:'x1' }, // bit17:rtcmCorrUsed
{ name:'slasCorrUsed', type:'x1' }, // bit18:slasCorrUsed
{ name:'spartnCorrUsed', type:'x1' }, // bit19:spartnCorrUsed
{ name:'prCorrUsed', type:'x1' }, // bit20:prCorrUsed
{ name:'crCorrUsed', type:'x1' }, // bit21:crCorrUsed
{ name:'doCorrUsed', type:'x1' }, // bit22:doCorrUsed
{ name:'clasCorrUsed', type:'x1' }, // bit23:clasCorrUsed
{ type:'x8' } ] } ] }, ] },
// RXM ------------
'RXM-COR': { descr:'Differential correction input status',
spec:[ { name:'ver', type:'U1', },
Expand Down

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