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MS5637
by 
chris stevens
ms5637 Class Reference
Create ms5637 controller class. More...
#include <ms5637.h>
Public Member Functions | |
| ms5637 (PinName sda, PinName scl) | |
| Create a MS5637 object using the specified I2C object. | |
| void | cmd_reset () |
| Initialize the MS5637 and set up the coefficients First - reset the MS5637 Second - load coefficient values from the MS5637 PROM Third - calculate coefficient checksum This routine only needs to be run once at boot up. | |
| double | calcTemp () |
| Calculate and return compensated temperature Returns double temperature in degC. | |
| double | calcPressure () |
| Calculate and return compensated barometric pressure Returns double pressure in millibars. | |
| double | getPressure () |
| Return compensated barometric pressure Returns double pressure in millibars DOES NOT RE-CALCULATE FIRST!!! Saves time if you calcTemp(); first. | |
| float | getAltitudeFT (float sea_pressure) |
| Calculate and returns altitude in feet Returns float altitude in feet. | |
| float | getSeaLevelBaroFT (float known_alt) |
| Calculate and returns sea level baro Returns float seal level barometer in feet. | |
| float | getSeaLevelBaroM (float known_alt) |
| Calculate and returns sea level baro Returns float seal level barometer in meters. | |
Detailed Description
Create ms5637 controller class.
- Parameters:
-
ms5637 class
Definition at line 97 of file ms5637.h.
Constructor & Destructor Documentation
| ms5637 | ( | PinName | sda, |
| PinName | scl | ||
| ) |
Create a MS5637 object using the specified I2C object.
- Parameters:
-
constructor,- the I2C object to communicate with
Definition at line 30 of file ms5637.cpp.
Member Function Documentation
| double calcPressure | ( | ) |
Calculate and return compensated barometric pressure Returns double pressure in millibars.
calculate pressure
- Parameters:
-
NONE
- Returns:
- double barometric pressure millibar
Definition at line 305 of file ms5637.cpp.
| double calcTemp | ( | ) |
Calculate and return compensated temperature Returns double temperature in degC.
calculate temperature
- Parameters:
-
NONE
- Returns:
- double temperature degC
Definition at line 294 of file ms5637.cpp.
| void cmd_reset | ( | ) |
Initialize the MS5637 and set up the coefficients First - reset the MS5637 Second - load coefficient values from the MS5637 PROM Third - calculate coefficient checksum This routine only needs to be run once at boot up.
send reset sequence
- Parameters:
-
NONE
- Returns:
- none
Definition at line 117 of file ms5637.cpp.
| float getAltitudeFT | ( | float | sea_pressure ) |
Calculate and returns altitude in feet Returns float altitude in feet.
get altitude from known sea level barometer, @ no pre-pressure calculation
- Parameters:
-
float known pressure (mB) at sea level
float sea level barometer
- Returns:
- float altitude in feet
Definition at line 329 of file ms5637.cpp.
| double getPressure | ( | ) |
Return compensated barometric pressure Returns double pressure in millibars DOES NOT RE-CALCULATE FIRST!!! Saves time if you calcTemp(); first.
get pressure, no calculation
- Parameters:
-
NONE
- Returns:
- double barometric pressure millibar
Definition at line 316 of file ms5637.cpp.
| float getSeaLevelBaroFT | ( | float | known_alt ) |
Calculate and returns sea level baro Returns float seal level barometer in feet.
get sea level pressure from known altitude(ft), @ no pre-pressure calculation
- Parameters:
-
float known altitude in feet
float known altitude in feet
- Returns:
- float seal level barometer in mb
Definition at line 342 of file ms5637.cpp.
| float getSeaLevelBaroM | ( | float | known_alt ) |
Calculate and returns sea level baro Returns float seal level barometer in meters.
get sea level pressure from known altitude(m), @ no pre-pressure calculation
- Parameters:
-
float known altitude in meters
float known altitude in meters
- Returns:
- float seal level barometer in mb
Definition at line 355 of file ms5637.cpp.
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