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safer/clearer index management (#4543)

This commit is contained in:
Matthew Kennedy 2022-09-06 16:19:16 -07:00 committed by GitHub
parent 5be4586b95
commit 3112fc25de
1 changed files with 16 additions and 12 deletions
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12
firmware/console/binary/tooth_logger.cpp
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@ -196,7 +196,12 @@ static void SetNextCompositeEntry(efitick_t timestamp) {
return; return;
} }
composite_logger_s* entry = &buffer->buffer[buffer->nextIdx]; size_t idx = buffer->nextIdx;
auto nextIdx = idx + 1;
buffer->nextIdx = nextIdx;
if (idx < efi::size(buffer->buffer)) {
composite_logger_s* entry = &buffer->buffer[idx];
uint32_t nowUs = NT2US(timestamp); uint32_t nowUs = NT2US(timestamp);
@ -208,11 +213,10 @@ static void SetNextCompositeEntry(efitick_t timestamp) {
entry->sync = engine->triggerCentral.triggerState.getShaftSynchronized(); entry->sync = engine->triggerCentral.triggerState.getShaftSynchronized();
entry->coil = currentCoilState; entry->coil = currentCoilState;
entry->injector = currentInjectorState; entry->injector = currentInjectorState;
}
buffer->nextIdx++;
// if the buffer is full... // if the buffer is full...
bool bufferFull = buffer->nextIdx >= efi::size(buffer->buffer); bool bufferFull = nextIdx >= efi::size(buffer->buffer);
// ... or it's been too long since the last flush // ... or it's been too long since the last flush
bool bufferTimedOut = buffer->startTime.hasElapsedSec(5); bool bufferTimedOut = buffer->startTime.hasElapsedSec(5);