Tinker: Created page with "==#includes, Defines, etc...== #include "libraries.h" #include "functions.h" #include "externs.h" #include "s-BME280.h" extern int Alti..."

2021-04-30T17:30:55Z

Created page with "==#includes, Defines, etc...== <syntaxhighlight lang="cpp" line="1"> #include "libraries.h" #include "functions.h" #include "externs.h" #include "s-BME280.h" extern int Alti..."

New page

==#includes, Defines, etc...==

<syntaxhighlight lang="cpp" line="1">
#include "libraries.h"
#include "functions.h"
#include "externs.h"
#include "s-BME280.h"

extern int Altitude;
struct BME280_Readings BME280_Datum;
</syntaxhighlight>

==BME280_main()==

<syntaxhighlight lang="cpp" line="1">
void BME280_main()
{

for (int Count = 0; Count < BME280_Count; Count++)
{
// BME280_Datum = BME280_getReadings(0);
BME280_getReadings(0);
}

if (BME280_Datum.Status == 0)
{
// SSD1306_Display_BME280_Temps(BBB);
// SSD1306_Display_BME280_Temps();
BME280_Display();

SSD1306_Indicate_Action();

BME280_SendData();

BME280_debug();
}
else
{
debug_Trouble("BME280 Status Bad");
BME280_init();
}
}
</syntaxhighlight>

==BME280_init()==

<syntaxhighlight lang="cpp" line="1">
int BME280_init()
{
bool status;
char debugTEXT[46];

status = bme.begin(0x76);
if (!status)
{
debug_LineOut("No BME280(s)");
return (0);
}
else
{
sprintf(debugTEXT, "%2d BME280(s) initialised", 1);
debug_LineOut(debugTEXT);
return (1); // This needs to change
}

// Currently only capable of using one...
}
</syntaxhighlight>

==BME280_getReadings()==

<syntaxhighlight lang="cpp" line="1">
void BME280_getReadings(int deviceNumber)
{
BME280_Datum.Temperature = bme.readTemperature();
BME280_Datum.Humidity = bme.readHumidity();
BME280_Datum.AbsPressure = bme.readPressure() / 100.0F;

if (
(BME280_Datum.Temperature != BME280_Datum.Temperature) ||
(BME280_Datum.Humidity != BME280_Datum.Humidity) ||
(BME280_Datum.AbsPressure != BME280_Datum.AbsPressure))
{
BME280_Datum.Status = -1;
}
else
BME280_Datum.Status = 0;

// Attempting to derive SeaPressure based on formula found at:
// https://keisan.casio.com/exec/system/1224575267
BME280_Datum.SeaPressure = BME280_Datum.AbsPressure * pow((1 - ((0.0065 * Altitude) / (BME280_Datum.Temperature + (0.0065 * Altitude) + 273.15))), -5.257);

// return (AAA);
}
</syntaxhighlight>

==BME280_SendData()==

<syntaxhighlight lang="cpp" line="1">
void BME280_SendData()
{
char BME280_JSON[100];

sprintf(BME280_JSON,
"{\"Type\":\"BME280\", \"Temperature\":%5.1f, \"Humidity\":%5.1f, \"AbsPressure\":%5.2f, \"SeaPressure\":%5.2f}",
BME280_Datum.Temperature,
BME280_Datum.Humidity,
BME280_Datum.AbsPressure,
BME280_Datum.SeaPressure);

MQTT_SendTELE("SENSOR", BME280_JSON);
}
</syntaxhighlight>

==BME280_Display()==

<syntaxhighlight lang="cpp" line="1">
void BME280_Display()
{

// SSD1306_Display_Sensor_Data(
// "BME280!",
// "Temp:",
// BME280_Datum.Temperature,
// "Humi:",
// BME280_Datum.Humidity,
// "Baro",
// BME280_Datum.AbsPressure);

float inHg = (BME280_Datum.AbsPressure / 33.863886666667) + Pressure_Correction;
float Water = (49.161 * log(inHg) + 44.932);
SSD1306_Display_Sensor_Data2(
"BME280",
"Temp:",
BME280_Datum.Temperature,
"inHg",
inHg,
" H2O",
Water);

}
</syntaxhighlight>

==BME280_debug()==

<syntaxhighlight lang="cpp" line="1">
void BME280_debug()
{
#ifdef DEBUG2
char debugTEXT[46];

debug_SectionTitle("BME280:");
sprintf(debugTEXT, "Temperature: %5.1f C", BME280_Datum.Temperature);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "Temperature: %5.1f F", 1.8 * BME280_Datum.Temperature + 32);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "Humidity: %5.1f %%", BME280_Datum.Humidity);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "AbsPressure: %5.2f hPa", BME280_Datum.AbsPressure);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "SeaPressure: %5.2f hPa", BME280_Datum.SeaPressure);
debug_LineOut(debugTEXT);
#endif
}
</syntaxhighlight>

IoT - Modular - BME280.cpp - Revision history

Tinker: Created page with "==#includes, Defines, etc...== #include "libraries.h" #include "functions.h" #include "externs.h" #include "s-BME280.h" extern int Alti..."