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#include <Arduino.h>
#include <etl/vector.h>
#include "channel.h"
#include "log.h"
#include "board.h"
#define ENABLE_SD 0
#if ENABLE_SD
#define SDCARD_SPI SD_SPI
#include <SD.h>
static SDClass sd;
#endif
void setup1() {
while (MEAS_CHANNEL == nullptr)
{
delay(5);
}
}
inline const char* name_for_meas(Measurement meas)
{
switch (meas)
{
case Measurement::LUX:
return "lux";
case Measurement::TEMP:
return "temp";
case Measurement::HUM:
return "hum";
case Measurement::PRES:
return "pres";
case Measurement::GAS:
return "gas";
case Measurement::AX:
return "ax";
case Measurement::AY:
return "ay";
case Measurement::AZ:
return "az";
case Measurement::GX:
return "gx";
case Measurement::GY:
return "gy";
case Measurement::GZ:
return "gz";
#if USE_BSEC
case Measurement::CO2:
return "co2";
case Measurement::IAQ:
return "iaq";
#endif
default:
return "unknown";
}
}
void loop1() {
static etl::vector<Message, 128> chunk;
while (chunk.available() > chunk.capacity() / 2)
{
Message read;
if (!xQueueReceive(MEAS_CHANNEL, &read, portMAX_DELAY))
{
LOGGER.println("failed to receive message from channel");
continue;
}
chunk.push_back(read);
if (LOGGER)
{
for (int i = 0; i < static_cast<size_t>(Measurement::MAX); i++)
{
const auto name = name_for_meas(static_cast<Measurement>(i));
const auto& value = read.measurement[i];
// This awkwardness is to support the fact that the RTT implementation
// doesn't support formatting floats and instead silently fails -- manually
// format first, then printf the string.
char buf[32];
snprintf(buf, sizeof(buf), "%s:%f,", name, value);
LOGGER.printf("%s", buf);
}
LOGGER.println();
}
}
#if !ENABLE_SD
chunk.clear();
return;
#endif
#if ENABLE_SD
constexpr auto sd_period = 50;
static unsigned int sd_last_connect = 0;
static bool sd_connected = false;
if (!digitalRead(CARD_DETECT))
{
sd_connected = false;
analogWrite(LED_CAPTURING, 0);
return;
}
if (millis() - sd_last_connect > sd_period && !sd_connected)
{
sd_last_connect = millis();
if (!sd.begin(SD_CS))
{
LOGGER.println("failed connection to sd card");
sd_connected = false;
analogWrite(LED_CAPTURING, 0);
return;
}
sd_connected = true;
analogWrite(LED_CAPTURING, 24);
}
auto data = sd.open("data.csv", O_CREAT | O_WRITE | O_APPEND);
if (data.size() == 0)
{
data.write("uptime_ms,");
for (int i = 0; i < static_cast<size_t>(Measurement::MAX); i++)
{
const auto name = name_for_meas(static_cast<Measurement>(i));
data.printf("%s,", name);
}
data.print('\n');
}
for (const auto& m : chunk)
{
data.printf("%d,", m.uptime);
for (const auto &value : m.measurement)
{
data.printf("%f,", value);
}
data.print('\n');
}
data.close();
#endif
}
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