Глобальная переделка. тест сделан по длине импульса и заданной частоте шим, а не меандру

This commit is contained in:
2026-08-12 18:10:05 +03:00
parent 1db89fca79
commit a17e8962b4
19 changed files with 958 additions and 642 deletions

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@@ -12,13 +12,12 @@ bool Measurement::start(float hz, float duty, float tolerance, uint32_t timeMs,
!receiver_.start(expectedHz_, expectedDutyPct_)) return false;
settleCycles_ = settleCycles; settleLeft_ = settleCycles;
tolerancePct_ = tolerance;
averagingPeriods_ = averagingPeriods;
resetAveragingWindow();
stepTimeMs_ = (timeMs + MEASUREMENT_PROGRESS_STEPS - 1U) / MEASUREMENT_PROGRESS_STEPS;
stepTicks_ = static_cast<uint64_t>(receiver_.tickHz()) * timeMs /
(1000ULL * MEASUREMENT_PROGRESS_STEPS);
if (!stepTicks_) stepTicks_ = 1;
currentStep_ = 0;
__atomic_store_n(&progressUpdatePending_, false, __ATOMIC_RELEASE);
stats_.reset();
publishStats();
measurementStartTick_ = deadlineTick_ = 0; startedMs_ = millis();
@@ -30,13 +29,6 @@ bool Measurement::start(float hz, float duty, float tolerance, uint32_t timeMs,
return true;
}
void Measurement::resetAveragingWindow() {
windowPeriodCount_ = 0;
windowPeriodSum_ = windowActiveSum_ = 0;
windowMinPeriod_ = UINT32_MAX;
windowMaxPeriod_ = 0;
}
void Measurement::taskEntry(void *context) {
static_cast<Measurement *>(context)->taskLoop();
}
@@ -50,30 +42,33 @@ void Measurement::taskLoop() {
void Measurement::fail(FailReason reason) {
if (stats_.reason == FailReason::NONE) stats_.reason = reason;
__atomic_store_n(&progressUpdatePending_, false, __ATOMIC_RELEASE);
publishStats();
receiver_.stop(); state_ = MeasureState::FAIL;
// App stops PWM first and only then disables capture. Disabling MCPWM from
// this RX task while input edges are still arriving can race its ISR.
state_ = MeasureState::FAIL;
}
void Measurement::completeMeasurement() {
receiver_.stop();
stats_.droppedItems += receiver_.takeDroppedItems();
if (receiver_.overflowed()) { fail(FailReason::GLITCH); return; }
if (windowPeriodCount_) {
const FailReason result = evaluatePeriodWindow(
windowPeriodSum_, windowActiveSum_, windowPeriodCount_, receiver_.tickHz(),
expectedHz_, expectedDutyPct_, tolerancePct_,
windowMinPeriod_, windowMaxPeriod_,
currentStep_ + 1U, stats_);
if (result != FailReason::NONE) { fail(result); return; }
}
const uint32_t dropped = receiver_.takeDroppedItems();
stats_.droppedItems += dropped;
if (dropped) { fail(FailReason::DATA_LOSS); return; }
publishStats();
if (++currentStep_ < MEASUREMENT_PROGRESS_STEPS) {
state_ = MeasureState::STEP_READY;
// Capture and validation continue while the main task draws OLED. Pausing
// here would overflow the edge queue at higher PWM frequencies; stopping
// MCPWM Capture can race an edge ISR. Publish a snapshot, then advance the
// edge-based window without interrupting the RX pipeline.
__atomic_store_n(&progressUpdatePending_, true, __ATOMIC_RELEASE);
measurementStartTick_ = deadlineTick_;
deadlineTick_ += stepTicks_;
measurementStartMs_ = lastPeriodMs_ = millis();
return;
}
if (!stats_.periods) {
fail(FailReason::DATA_LOSS); return;
}
__atomic_store_n(&progressUpdatePending_, false, __ATOMIC_RELEASE);
state_ = MeasureState::PASS;
}
@@ -92,11 +87,12 @@ bool Measurement::statsSnapshot(StageStats &out) const {
MeasureState Measurement::processOnce() {
if (state_ != MeasureState::SETTLING && state_ != MeasureState::RUNNING) return state_;
if (receiver_.overflowed()) { fail(FailReason::GLITCH); return state_; }
bool receivedPeriod = false;
for (;;) {
const size_t periodCount = receiver_.readPeriods(periodBatch_, PERIOD_BATCH_SIZE, pdMS_TO_TICKS(2));
stats_.droppedItems += receiver_.takeDroppedItems();
const uint32_t dropped = receiver_.takeDroppedItems();
stats_.droppedItems += dropped;
if (dropped) { fail(FailReason::DATA_LOSS); return state_; }
if (!periodCount) break;
receivedPeriod = true;
for (size_t periodIndex = 0; periodIndex < periodCount; ++periodIndex) {
@@ -111,55 +107,32 @@ MeasureState Measurement::processOnce() {
}
continue;
}
const uint64_t endTick = period.startTick + period.periodTicks;
if (period.startTick < measurementStartTick_) continue; // leading incomplete period
if (endTick > deadlineTick_) { completeMeasurement(); return state_; } // trailing incomplete period
if (!period.periodTicks || period.activeTicks >= period.periodTicks) {
while (period.startTick >= deadlineTick_) {
// Progress boundaries never discard a pulse. A complete period is
// assigned by its start edge, then validated exactly once. The nine
// intermediate boundaries only publish UI snapshots.
completeMeasurement();
if (state_ != MeasureState::RUNNING) return state_;
}
if (!period.periodTicks || !period.activeTicks || !period.activeTickHz) {
fail(FailReason::EXTRA_EDGE); return state_;
}
++stats_.periods;
stats_.periodSum += period.periodTicks;
stats_.activeSum += period.activeTicks;
if (period.periodTicks < stats_.minPeriod) stats_.minPeriod = period.periodTicks;
if (period.periodTicks > stats_.maxPeriod) stats_.maxPeriod = period.periodTicks;
if (period.activeTicks < stats_.minActive) stats_.minActive = period.activeTicks;
if (period.activeTicks > stats_.maxActive) stats_.maxActive = period.activeTicks;
if (period.periodTicks < windowMinPeriod_) windowMinPeriod_ = period.periodTicks;
if (period.periodTicks > windowMaxPeriod_) windowMaxPeriod_ = period.periodTicks;
++windowPeriodCount_;
windowPeriodSum_ += period.periodTicks;
windowActiveSum_ += period.activeTicks;
if (windowPeriodCount_ >= averagingPeriods_) {
const FailReason result = evaluatePeriodWindow(
windowPeriodSum_, windowActiveSum_, windowPeriodCount_, receiver_.tickHz(),
expectedHz_, expectedDutyPct_, tolerancePct_,
windowMinPeriod_, windowMaxPeriod_,
currentStep_ + 1U, stats_);
resetAveragingWindow();
if (result != FailReason::NONE) { fail(result); return state_; }
}
const FailReason result = evaluatePeriod(period, receiver_.tickHz(),
expectedHz_, expectedDutyPct_, tolerancePct_, currentStep_ + 1U, stats_);
if (result != FailReason::NONE) { fail(result); return state_; }
}
}
if (receivedPeriod && state_ == MeasureState::RUNNING) lastPeriodMs_ = millis();
const uint64_t edgeBasedTimeout =
static_cast<uint64_t>(PWM_SETTLE_CYCLES + NO_SIGNAL_TIMEOUT_PERIODS) * expectedPeriodMs_ + 20;
const uint64_t rmtBatchTimeout =
static_cast<uint64_t>(RMT_MIN_RECEIVE_SYMBOLS + NO_SIGNAL_TIMEOUT_PERIODS) * expectedPeriodMs_ + 20;
const uint64_t settleTimeout = edgeBasedTimeout > rmtBatchTimeout ? edgeBasedTimeout : rmtBatchTimeout;
const uint64_t settleTimeout = edgeBasedTimeout;
if (state_ == MeasureState::SETTLING && millis() - startedMs_ > settleTimeout) fail(FailReason::NO_SIGNAL);
if (state_ == MeasureState::RUNNING && measurementStartTick_) {
const uint32_t now = millis();
// RMT reports a block only after its user buffer has filled. At 1 kHz the
// minimum 48-symbol C3 block contains roughly 48 PWM periods and therefore
// arrives much later than the old 8-period timeout. Do not call that
// normal batching delay a lost edge.
const uint32_t batchPeriods = receiver_.receiveChunkSymbols();
const uint32_t batchTimeoutMs = expectedPeriodMs_ * (batchPeriods + NO_SIGNAL_TIMEOUT_PERIODS) + 2U;
const uint32_t edgeTimeoutMs = expectedPeriodMs_ * NO_SIGNAL_TIMEOUT_PERIODS + 2U;
const uint32_t receiveTimeoutMs = batchTimeoutMs > edgeTimeoutMs ? batchTimeoutMs : edgeTimeoutMs;
if (now - measurementStartMs_ < stepTimeMs_ && now - lastPeriodMs_ > receiveTimeoutMs) {
if (now - measurementStartMs_ < stepTimeMs_ && now - lastPeriodMs_ > edgeTimeoutMs) {
fail(FailReason::LOST_EDGE); return state_;
}
if (now - measurementStartMs_ > stepTimeMs_ + expectedPeriodMs_ + 2) completeMeasurement();
@@ -169,24 +142,16 @@ MeasureState Measurement::processOnce() {
MeasureState Measurement::update() { return state_; }
bool Measurement::continueAfterDisplay() {
if (state_ != MeasureState::STEP_READY) return false;
if (!receiver_.start(expectedHz_, expectedDutyPct_)) {
fail(FailReason::UNSUPPORTED);
return false;
}
// receiver_.start() starts a new RMT timebase and therefore a new sampling
// phase. Start a fresh averaging window for the new continuous capture.
resetAveragingWindow();
settleLeft_ = settleCycles_;
measurementStartTick_ = deadlineTick_ = 0;
startedMs_ = millis(); measurementStartMs_ = lastPeriodMs_ = 0;
state_ = MeasureState::SETTLING;
xTaskNotifyGive(task_);
return true;
bool Measurement::takeProgressUpdate() {
return __atomic_exchange_n(&progressUpdatePending_, false, __ATOMIC_ACQ_REL);
}
void Measurement::abort() {
if (state_ == MeasureState::SETTLING || state_ == MeasureState::RUNNING ||
state_ == MeasureState::STEP_READY) fail(FailReason::ABORTED);
if (state_ == MeasureState::SETTLING || state_ == MeasureState::RUNNING)
fail(FailReason::ABORTED);
}
void Measurement::forceFail(FailReason reason) {
if (state_ == MeasureState::SETTLING || state_ == MeasureState::RUNNING)
fail(reason);
}