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Progress on tone timing synchronization between telegraph keys

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This commit is contained in:
Gene Mecija 2020-01-17 18:19:52 -08:00
parent b3436d963b
commit d681c3d237
4 changed files with 49 additions and 21 deletions
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2
src/config.json
View file

@ -2,7 +2,7 @@
"timingUnit": 1,
"ditMaxTime": 60,
"mainVolume": 0.2,
"frequency": 700.0,
"frequency": 550.0,
"practiceSpeed": {
"slow": 40,
"normal": 24,

53
src/hooks/useElectronicKey.js
View file

@ -10,8 +10,9 @@ function useElectronicKey() {
const timingUnit = config.timingUnit
let ratio = 0.2
const ditMaxTime = 80 // ditMaxTime * 0.365 to get ms, e.g. 85 * 0.365 ~= 31ms
let ratio = .2
const ditMaxTime = 85 // ditMaxTime * 0.365 to get ms, e.g. 85 * 0.365 ~= 31ms
const letterGapMinTime = ditMaxTime*ratio*3 //config.practiceSpeed.normal*3
const wordGapMaxTime = ditMaxTime*ratio*7 // config.practiceSpeed.normal*7
const morseHistorySize = config.historySize
@ -57,6 +58,12 @@ function useElectronicKey() {
let frequency = config.frequency
let toneTimer = 0
let toneTime = 0
let start = 0
let end = 0
// Promisify playing Dits and Dahs
function play(ditDah) {
let playDuration = ((ditDah === '.') ? ditMaxTime : ditMaxTime*3)
@ -82,19 +89,23 @@ function useElectronicKey() {
g.connect(context.destination)
o.start(startTime)
// // for troubleshooting ditDah length in milliseconds
// toneTimer = setInterval(() => {
// toneTime += 1
// }, 1);
// start = toneTime
// // </>
g.gain.setTargetAtTime(0.0001, startTime + playDuration/1000, 0.001)
o.stop(startTime + playDuration/1000 + 0.05)
setTimeout(() => {
g.gain.setTargetAtTime(0.0001, context.currentTime, 0.001)
o.stop(context.currentTime + 0.05)
}, playDuration)
// g.gain.setTargetAtTime(0.0001, startTime + playDuration/1000, 0.001)
// o.stop(startTime + playDuration/1000 + 0.05)
})
}
function stopToneTimer() {
clearInterval(toneTimer)
end = toneTime
console.log('toneTime:', start, end);
toneTime = 0
}
function playWithSpaces(ditDah) {
let delay = (ditDah === '.') ? ditMaxTime + ditMaxTime : ditMaxTime*3 + ditMaxTime
@ -105,14 +116,19 @@ function useElectronicKey() {
checkGapBetweenInputs()
setMorseCharBuffer(prev => prev + ditDah)
// for troubleshooting ditDah length in milliseconds
toneTimer = setInterval(() => {
toneTime += 1
}, 1);
start = toneTime
play(ditDah)
.then(setTimeout(() => {
// START GAP TIMER
// gapTimerRunning = true
gapTimer = setInterval(() => {
gapTime += 1
if (gapTime >= wordGapMaxTime) {
setMorseCharBuffer(prev => prev + '/')
clearInterval(gapTimer)
@ -122,7 +138,8 @@ function useElectronicKey() {
}, timingUnit)
resolve();
}, delay))
}, delay)
)
} else {
setTimeout(() => {
resolve();
@ -264,6 +281,10 @@ function useElectronicKey() {
depressSyncTime = 0
}
function checkGapBetweenInputs() {
console.log('ditMaxTime', ditMaxTime)
console.log('gapTime', gapTime);
console.log('letterGapMinTime', letterGapMinTime);
console.log('wordGapMaxTime', wordGapMaxTime);
// Check Gap between letters
if (gapTime >= letterGapMinTime && gapTime < wordGapMaxTime) {
setMorseCharBuffer(prev => prev + ' ')

8
src/hooks/useMorsePlayer.js
View file

@ -41,8 +41,12 @@ function useMorsePlayer() {
g.connect(context.destination)
o.start(startTime)
g.gain.setTargetAtTime(0.0001, startTime + length/1000, 0.001)
o.stop(startTime + length/1000 + 0.05)
// g.gain.setTargetAtTime(0.0001, startTime + length/1000, 0.001)
// o.stop(startTime + length/1000 + 0.05)
setTimeout(() => {
g.gain.setTargetAtTime(0.0001, context.currentTime, 0.009)
o.stop(context.currentTime + 0.05)
}, length)
})
}

7
src/hooks/useStraightKey.js
View file

@ -109,7 +109,7 @@ function useStraightKey() {
if (o.context.state === 'running') {
g.gain.setTargetAtTime(0.0001, context.currentTime, 0.001)
o.stop(context.currentTime + 0.01)
o.stop(context.currentTime + 0.05)
}
} else { return }
}
@ -142,7 +142,10 @@ function useStraightKey() {
function checkGapBetweenInputs() {
// Check Gap between letters
console.log('ditMaxTime', ditMaxTime)
console.log('gapTime', gapTime);
console.log('letterGapMinTime', letterGapMinTime);
console.log('wordGapMaxTime', wordGapMaxTime);
if (gapTime >= letterGapMinTime && gapTime < wordGapMaxTime) {
// if (mode === 'practice') {
setMorseCharBuffer(prev => prev + ' ')