Component: Barometer (MS5637) (Environmental): Difference between revisions
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Revision as of 14:35, 13 July 2026
| Author | Matrix TSL |
| Version | 1.0 |
| Category | Environmental |
Barometer (MS5637) component
A small PCB surface mount barometric pressure sensor with a I2C bus interface. Pressure range 0 to 30 Bar. Temperature range -20 to +85 °C.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_Pressure_Sensor_MS5637.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_Pressure_Sensor_MS5637.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
Initialise
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Initialise |
| Stes up the I2C bus and initialises the termperature sensor ready for use. | |
 - VOID
|
Return |
ReadPROM
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|
ReadPROM |
| Reads a single 16-bit value from the PROM calibration data. | |
 - BYTE
|
Address |
| Range 0-6 | |
 - UINT
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Return |
ReadPressureFloat
|
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ReadPressureFloat |
| Reads the pressure as a floating point value in Bars. Resultion sets the return bit value and conversion time. Calls the ReadPressureRaw function and then converts to a meaningful value. | |
| - BYTE
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Resolution |
| Range 0-5 | |
 - FLOAT
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Return |
ReadPressureRaw
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ReadPressureRaw |
| Reads the pressure as a digital 32-bit value. Resultion sets the return bit value and conversion time. 0=0.11mBar / 1=0.062mBar / 2=0.039mBar 3=0.028mBar / 4=0.021mBar / 5=0.016mBar | |
| - BYTE
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Resolution |
| Range 0-5 | |
 - ULONG
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Return |
ReadTemperatureFloat
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ReadTemperatureFloat |
| Reads the temperature as a floating point value in °C. Resultion sets the return bit value and conversion time. Calls the ReadTemperatureRaw function and then converts to a meaningful value. | |
| - BYTE
|
Resolution |
| Range 0-5 | |
| - FLOAT
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Return |
ReadTemperatureRaw
|
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ReadTemperatureRaw |
| Reads the temperature as a digital 32-bit value. Resultion sets the return bit value and conversion time. 0=0.012°C / 1=0.009°C / 2=0.006°C 3=0.004°C / 4=0.003°C / 5=0.002°C | |
| - BYTE
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Resolution |
| Range 0-5 | |
 - LONG
|
Return |
Reset
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|
Reset |
| Resets the device | |
| - VOID
|
Return |
Property reference
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Properties |
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I2C Properties |
|
Channel |
| Channel selection | |
|
SDA |
| Pin used for SDA (data signal) | |
|
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SCL |
| Pin used for SCL (clock signal) | |
|
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Baud Select |
| Baud rate option selector | |
|
Baud Rate |
| Baud rate to be used | |
|
Stop Delay |
| On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | |
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Simulation |
|
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Simulate Comms |
| Allows the simulation data to come from the panel GUI or relayed via an injector component. | |