Files
AstroRotaxMonitor/RotaxMonitor/src/datasave.cpp
2026-04-17 11:01:41 +02:00

124 lines
5.8 KiB
C++

#include "datasave.h"
#include <math.h>
LITTLEFSGuard::LITTLEFSGuard()
{
if (!LittleFS.begin(true, "/littlefs", 10, "littlefs"))
{
LOG_ERROR("Failed to mount LittleFS");
}
else
{
LOG_INFO("LittleFS mounted successfully");
LOG_INFO("LittleFS Free KBytes:", (LittleFS.totalBytes() - LittleFS.usedBytes()) / 1024);
}
}
LITTLEFSGuard::~LITTLEFSGuard()
{
LittleFS.end();
LOG_INFO("LittleFS unmounted successfully");
}
void ignitionBoxStatusFiltered::filter(int32_t &old, const int32_t value, const uint32_t k)
{
float alpha = 1.0f / (float)k;
old = old + (int32_t)(alpha * (float)(value - old));
}
void ignitionBoxStatusFiltered::filter(float &old, const float value, const uint32_t k)
{
float alpha = 1.0f / (float)k;
old = old + (float)(alpha * (float)(value - old));
}
void ignitionBoxStatusFiltered::reset()
{
m_last = ignitionBoxStatus();
m_count = 0;
m_data_valid = false;
}
void ignitionBoxStatusFiltered::update(const ignitionBoxStatus &new_status)
{
if (m_count == 0 && !m_data_valid)
{
m_last = new_status;
}
m_count++;
// simple moving average calculation
m_last.timestamp = new_status.timestamp; // keep timestamp of latest status
m_last.coils12.n_events = new_status.coils12.n_events; // sum events instead of averaging
m_last.coils12.n_missed_firing = new_status.coils12.n_missed_firing; // sum missed firings instead of averaging
m_last.coils12.spark_status = new_status.coils12.spark_status; // take latest spark status
m_last.coils12.sstart_status = new_status.coils12.sstart_status; // take latest soft start status
filter(m_last.coils12.spark_delay, new_status.coils12.spark_delay, m_max_count); // incremental average calculation
filter(m_last.coils12.peak_p_in, new_status.coils12.peak_p_in, m_max_count); // incremental average calculation
filter(m_last.coils12.peak_n_in, new_status.coils12.peak_n_in, m_max_count); // incremental average calculation
filter(m_last.coils12.peak_p_out, new_status.coils12.peak_p_out, m_max_count); // incremental average calculation
filter(m_last.coils12.peak_n_out, new_status.coils12.peak_n_out, m_max_count); // incremental average calculation
m_last.coils34.n_events = new_status.coils34.n_events; // sum events instead of averaging
m_last.coils34.n_missed_firing = new_status.coils34.n_missed_firing; // sum missed firings instead of averaging
m_last.coils34.spark_status = new_status.coils34.spark_status; // take latest spark status
m_last.coils34.sstart_status = new_status.coils34.sstart_status; // take latest soft start status
filter(m_last.coils34.spark_delay, new_status.coils34.spark_delay, m_max_count); // incremental average calculation
filter(m_last.coils34.peak_p_in, new_status.coils34.peak_p_in, m_max_count); // incremental average calculation
filter(m_last.coils34.peak_n_in, new_status.coils34.peak_n_in, m_max_count); // incremental average calculation
filter(m_last.coils34.peak_p_out, new_status.coils34.peak_p_out, m_max_count); // incremental average calculation
filter(m_last.coils34.peak_n_out, new_status.coils34.peak_n_out, m_max_count); // incremental average calculation
filter(m_last.eng_rpm, new_status.eng_rpm, m_max_count); // incremental average calculation // incremental average calculation
filter(m_last.adc_read_time, m_last.adc_read_time, m_max_count); // incremental average calculation
m_last.n_queue_errors = new_status.n_queue_errors;
if (m_count >= m_max_count)
{
m_count = 0; // reset count after reaching max samples to average
m_data_valid = true; // set data valid flag after first average is calculated
}
}
const bool ignitionBoxStatusFiltered::get(ignitionBoxStatus &status) const
{
if (m_data_valid)
{
status = m_last;
}
return m_data_valid;
}
const ArduinoJson::JsonDocument ignitionBoxStatusFiltered::toJson() const
{
ArduinoJson::JsonDocument doc;
if (m_data_valid)
{
doc["timestamp"] = m_last.timestamp;
doc["datavalid"] = m_data_valid ? "TRUE" : "FALSE";
doc["coils12"]["n_events"] = m_last.coils12.n_events;
doc["coils12"]["n_missed_firing"] = m_last.coils12.n_missed_firing;
doc["coils12"]["spark_delay"] = m_last.coils12.spark_delay;
doc["coils12"]["spark_status"] = sparkStatusNames.at(m_last.coils12.spark_status);
doc["coils12"]["peak_p_in"] = m_last.coils12.peak_p_in;
doc["coils12"]["peak_n_in"] = m_last.coils12.peak_n_in;
doc["coils12"]["peak_p_out"] = m_last.coils12.peak_p_out;
doc["coils12"]["peak_n_out"] = m_last.coils12.peak_n_out;
doc["coils12"]["sstart_status"] = softStartStatusNames.at(m_last.coils12.sstart_status);
doc["coils34"]["n_events"] = m_last.coils34.n_events;
doc["coils34"]["n_missed_firing"] = m_last.coils34.n_missed_firing;
doc["coils34"]["spark_delay"] = m_last.coils34.spark_delay;
doc["coils34"]["spark_status"] = sparkStatusNames.at(m_last.coils34.spark_status);
doc["coils34"]["peak_p_in"] = m_last.coils34.peak_p_in;
doc["coils34"]["peak_n_in"] = m_last.coils34.peak_n_in;
doc["coils34"]["peak_p_out"] = m_last.coils34.peak_p_out;
doc["coils34"]["peak_n_out"] = m_last.coils34.peak_n_out;
doc["coils34"]["sstart_status"] = softStartStatusNames.at(m_last.coils34.sstart_status);
doc["eng_rpm"] = m_last.eng_rpm;
doc["adc_read_time"] = m_last.adc_read_time;
doc["n_queue_errors"] = m_last.n_queue_errors;
}
return doc;
}