Tinker: Created page with "==#includes, Defines, etc...== #include "libraries.h" #include "functions.h" #include "externs.h" #include "s-BMP180.h" extern int Alti..."

2021-04-30T17:38:33Z

Created page with "==#includes, Defines, etc...== <syntaxhighlight lang="cpp" line="1"> #include "libraries.h" #include "functions.h" #include "externs.h" #include "s-BMP180.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-BMP180.h"

extern int Altitude;
struct BMP180_Readings BMP180_Datum;
</syntaxhighlight>

==BMP180_main()==

<syntaxhighlight lang="cpp" line="1">
void BMP180_main()
{

for (int Count = 0; Count < BMP180_Count; Count++)
{
BMP180_getReadings(0);
}

if (BMP180_Datum.Status == 0)
{
BMP180_Display();

SSD1306_Indicate_Action();

BMP180_SendData();

BMP180_debug();
}
else
{
debug_Trouble("BMP180 Status Bad");
BMP180_init();
}
}
</syntaxhighlight>

==BMP180_init()==

<syntaxhighlight lang="cpp" line="1">
int BMP180_init()
{
bool status;
char debugTEXT[46];

status = bmp.begin(0x76);
if (!status)
{
debug_LineOut("No BMP180(s)");
return (0);
}
else
{
sprintf(debugTEXT, "%2d BMP180(s) initialised", 1);
debug_LineOut(debugTEXT);
return (1); // This needs to change
}

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

==BMP180_getReadings()==

<syntaxhighlight lang="cpp" line="1">
void BMP180_getReadings(int deviceNumber)
{
BMP180_Datum.Temperature = bmp.readTemperature();
BMP180_Datum.AbsPressure = bmp.readPressure() / 100.0F;

if (
(BMP180_Datum.Temperature != BMP180_Datum.Temperature) ||
(BMP180_Datum.AbsPressure != BMP180_Datum.AbsPressure))
{
BMP180_Datum.Status = -1;
}
else
BMP180_Datum.Status = 0;

// Attempting to derive SeaPressure based on formula found at:
// https://keisan.casio.com/exec/system/1224575267
BMP180_Datum.SeaPressure = BMP180_Datum.AbsPressure * pow((1 - ((0.0065 * Altitude) / (BMP180_Datum.Temperature + (0.0065 * Altitude) + 273.15))), -5.257);
}
</syntaxhighlight>

==Climate_Pressure_Correction()==

<syntaxhighlight lang="cpp" line="1">
float Climate_Pressure_Correction(float Pressure_Actual)
{
BMP180_getReadings(0);
float inHg = (BMP180_Datum.AbsPressure / 33.863886666667);
// // float inHg = 0;
Pressure_Correction = Pressure_Actual - inHg;
char FooBar[42];
sprintf(FooBar, "actual: %f, reading: %f", Pressure_Actual, inHg);
debug_Success(FooBar);
sprintf(FooBar, "Correction: %f", Pressure_Correction);
debug_Success(FooBar);
return (Pressure_Correction);
// return(0);
}
</syntaxhighlight>

==BMP180_SendData()==

<syntaxhighlight lang="cpp" line="1">
void BMP180_SendData()
{
char BMP180_JSON[100];

sprintf(BMP180_JSON,
"{\"Type\":\"BMP180\", \"Temperature\":%5.1f, \"AbsPressure\":%5.2f, \"SeaPressure\":%5.2f, \"inHg\":%5.2f}",
BMP180_Datum.Temperature,
BMP180_Datum.AbsPressure,
BMP180_Datum.SeaPressure,
(BMP180_Datum.AbsPressure / 33.863886666667) + Pressure_Correction);

MQTT_SendTELE("SENSOR", BMP180_JSON);
}
</syntaxhighlight>

==BMP180_Display()==

<syntaxhighlight lang="cpp" line="1">
void BMP180_Display()
{
float inHg = (BMP180_Datum.AbsPressure / 33.863886666667) + Pressure_Correction;
float Water = (49.161 * log(inHg) + 44.932);
SSD1306_Display_Sensor_Data2(
"BMP180",
"Temp:",
BMP180_Datum.Temperature,
"inHg",
inHg,
" H2O",
Water);

char FooBar[42];
sprintf(FooBar,
"inHg: %f - Corrected: %f",
BMP180_Datum.AbsPressure / 33.863886666667,
BMP180_Datum.AbsPressure / 33.863886666667 + Pressure_Correction);
debug_Success(FooBar);
sprintf(FooBar, "Correction: %f", Pressure_Correction);
debug_Success(FooBar);
}
</syntaxhighlight>

==BMP180_debug()==

<syntaxhighlight lang="cpp" line="1">
void BMP180_debug()
{
#ifdef DEBUG2
char debugTEXT[46];

debug_SectionTitle("BMP180:");
sprintf(debugTEXT, "Temperature: %5.1f C", BMP180_Datum.Temperature);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "Temperature: %5.1f F", 1.8 * BMP180_Datum.Temperature + 32);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "AbsPressure: %5.2f hPa", BMP180_Datum.AbsPressure);
debug_LineOut(debugTEXT);
sprintf(debugTEXT, "SeaPressure: %5.2f hPa", BMP180_Datum.SeaPressure);
debug_LineOut(debugTEXT);
#endif
}
</syntaxhighlight>

IoT - Modular - BMP180.cpp - Revision history

Tinker: Created page with "==#includes, Defines, etc...== #include "libraries.h" #include "functions.h" #include "externs.h" #include "s-BMP180.h" extern int Alti..."