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Fix in incremental session saves

This commit is contained in:
Martin Bauer 2020-06-28 11:16:34 +02:00
parent 03d9741113
commit 0f7389744d
2 changed files with 13 additions and 8 deletions
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4
firmware/lib/session/SessionManager.h
View File

@ -103,7 +103,7 @@ void SessionManager<SessionT>::iteration()
while(!measurementDone)
measurementDone = scale_.measure(measurement);
bool addPointSuccessful = session_.addPoint(measurement);
Serial.printf("Measured: %d\n", measurement);
//Serial.printf("Measured: %d\n", measurement);
if (!addPointSuccessful)
{
Serial.println("Maximum time of session reached - stopping");
@ -121,7 +121,7 @@ void SessionManager<SessionT>::iteration()
else
{
const long skipped = (cycleDuration / CONFIG_MEASURE_DELAY);
Serial.printf("Warning: measurements skipped: %ld, cycleDuration %ld", skipped, cycleDuration);
Serial.printf("Measurements skipped: %ld, cycleDuration %ld\n", skipped, cycleDuration);
for (int i = 0; i < skipped; ++i)
session_.addPoint(measurement);

17
firmware/lib/session/SimpleMeasurementSession.h
View File

@ -74,6 +74,10 @@ public:
private:
void saveToFileSystem()
{
static const uint32_t arrayHeaderOffset = ChunkT::arrayHeaderOffset();
Serial.printf(" -------- Array header offset ---- %u\n", arrayHeaderOffset);
const uint32_t numMeasurements = chunk->numMeasurements();
// todo: check this! free doesn't mean that the file writing actually works ok
// use error codes of write instead? anyway: test it!
Serial.printf("%ld saveToFileSystem start()\n", millis());
@ -83,18 +87,19 @@ private:
String filename = String(CONFIG_DATA_PATH) + "/" + String(chunk->getStartTime());
if (portablefs::exists(filename.c_str()))
{
auto file = portablefs::open(filename.c_str(), "a");
auto file = portablefs::open(filename.c_str(), "r+");
file.seek(0, SeekEnd);
size_t existingMeasurements = (file.size() - ChunkT::valueOffset()) / sizeof(Measurement_T);
Serial.printf("Incremental save, existing %d\n", existingMeasurements);
size_t measurementsToWrite = chunk->numMeasurements() - existingMeasurements;
size_t measurementsToWrite = numMeasurements - existingMeasurements;
Measurement_T *startPtr = chunk->getDataPointer() + existingMeasurements;
file.write((uint8_t *)(startPtr), measurementsToWrite * sizeof(Measurement_T));
Serial.printf("%ld Incr Save: before header patch\n", millis());
file.seek(ChunkT::arrayHeaderOffset(), SeekSet);
file.seek(arrayHeaderOffset);
StreamingMsgPackEncoder<portablefs::File> encoder(&file);
encoder.template sendArrayHeader<Measurement_T>(numMeasurements());
encoder.template sendArrayHeader<Measurement_T>(numMeasurements);
Serial.printf("%ld total measurements up to now %u\n", millis(), numMeasurements);
}
else
{
@ -103,7 +108,7 @@ private:
StreamingMsgPackEncoder<portablefs::File> encoder(&file);
chunk->serialize(encoder);
}
Serial.printf("%ld saveToFileSystem done\n", millis());
Serial.printf("%ld saveToFileSystem done-------------\n", millis());
}
void deleteUntilBytesFree(size_t requiredSpace)