Difference between revisions of "Component: Temp / Humidity (SHT21) (Environmental)"

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==Component Source Code==
 
==Component Source Code==
  
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Please click here for the component source code: [https://www.flowcode.co.uk/wikicopy/componentsource/FC_Comp_Source_Humidity_SHT21.fcfx FC_Comp_Source_Humidity_SHT21.fcfx]
+
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_Humidity_SHT21.fcfx FC_Comp_Source_Humidity_SHT21.fcfx]
  
 
==Detailed description==
 
==Detailed description==
 +
 +
  
  
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==Examples==
 
==Examples==
 +
 +
  
  
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==Macro reference==
 
==Macro reference==
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 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetTemperatureReal'''
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|-
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| colspan="2" | Return temperature reading as a float value in degrees C 
 +
|-
 +
|-
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
 +
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 +
|}
 +
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetTemperatureData'''
 +
|-
 +
| colspan="2" | Returns the raw register pair value 
 +
|-
 +
|-
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
 +
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 +
|}
 +
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetTemperatureInt'''
 +
|-
 +
| colspan="2" | Return temperature reading as an integer value in degrees C 
 +
|-
 +
|-
 +
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
 +
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 +
|}
 +
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetHumidityInt'''
 +
|-
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| colspan="2" | returns the relative Humidity reading as an integer value 
 +
|-
 +
|-
 +
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
 +
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 +
|}
 +
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetHumidityReal'''
 +
|-
 +
| colspan="2" | returns the Humidity reading as a float value 
 +
|-
 +
|-
 +
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
 +
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 +
|}
 +
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetHumidityData'''
 +
|-
 +
| colspan="2" | Returns the raw register pair value 
 +
|-
 +
|-
 +
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
 +
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 +
|}
 +
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
 +
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
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|-
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| colspan="2" | Initialises the component ready for I2C communications 
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|-
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|-
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
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|}
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 +
 +
 +
 +
==Property reference==
 +
 +
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 +
|-
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
 +
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
 +
|-
 +
|-
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| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
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| width="90%" | Channel
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|-
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| colspan="2" | Channel selection 
 +
|-
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| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
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| width="90%" | SDA
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|-
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| colspan="2" | Pin used for SDA (data signal) 
 +
|-
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| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
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| width="90%" | SCL
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|-
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| colspan="2" | Pin used for SCL (clock signal) 
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|-
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| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
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| width="90%" | Baud Select
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|-
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| colspan="2" | Baud rate option selector 
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|-
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| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
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| width="90%" | Baud Rate
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|-
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| colspan="2" | Baud rate to be used 
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
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| width="90%" | Stop Delay
 +
|-
 +
| colspan="2" | 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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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
 +
|-
 +
|-
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| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 +
| width="90%" | Simulation Comms
 +
|-
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| colspan="2" |  
 +
|}==Macro reference==
  
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"

Revision as of 15:15, 20 January 2023

Author Matrix TSL
Version 2.0
Category Environmental


Temp / Humidity (SHT21) component

Humidity and temperature sensor using an SHT21 IC connected via I2C. On screen GUI allows temperature and humidity values to be simulated, and will show all I2C communication in a console window.

Component Source Code

Please click here to view the component source code (Beta): FC_Comp_Source_Humidity_SHT21.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples


Macro reference

Fc9-comp-macro.png GetTemperatureReal
Return temperature reading as a float value in degrees C 
Fc9-f32-icon.png - FLOAT Return


Fc9-comp-macro.png GetTemperatureData
Returns the raw register pair value 
Fc9-u16-icon.png - UINT Return


Fc9-comp-macro.png GetTemperatureInt
Return temperature reading as an integer value in degrees C 
Fc9-s16-icon.png - INT Return


Fc9-comp-macro.png GetHumidityInt
returns the relative Humidity reading as an integer value 
Fc9-s16-icon.png - INT Return


Fc9-comp-macro.png GetHumidityReal
returns the Humidity reading as a float value 
Fc9-f32-icon.png - FLOAT Return


Fc9-comp-macro.png GetHumidityData
Returns the raw register pair value 
Fc9-u16-icon.png - UINT Return


Fc9-comp-macro.png Initialise
Initialises the component ready for I2C communications 
Fc9-void-icon.png - VOID Return



Property reference

Fc9-prop-icon.png Properties
Fc9-type-16-icon.png Channel
Channel selection 
Fc9-type-5-icon.png SDA
Pin used for SDA (data signal) 
Fc9-type-5-icon.png SCL
Pin used for SCL (clock signal) 
Fc9-type-16-icon.png Baud Select
Baud rate option selector 
Fc9-type-14-icon.png Baud Rate
Baud rate to be used 
Fc9-type-7-icon.png 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.  
Fc9-conn-icon.png Simulation
Fc9-type-7-icon.png Simulation Comms
 

==Macro reference==

Fc9-comp-macro.png GetTemperatureReal
Return temperature reading as a float value in degrees C 
Fc9-f32-icon.png - FLOAT Return


Fc9-comp-macro.png GetTemperatureData
Returns the raw register pair value 
Fc9-u16-icon.png - UINT Return


Fc9-comp-macro.png GetTemperatureInt
Return temperature reading as an integer value in degrees C 
Fc9-s16-icon.png - INT Return


Fc9-comp-macro.png GetHumidityInt
returns the relative Humidity reading as an integer value 
Fc9-s16-icon.png - INT Return


Fc9-comp-macro.png GetHumidityReal
returns the Humidity reading as a float value 
Fc9-f32-icon.png - FLOAT Return


Fc9-comp-macro.png GetHumidityData
Returns the raw register pair value 
Fc9-u16-icon.png - UINT Return


Fc9-comp-macro.png Initialise
Initialises the component ready for I2C communications 
Fc9-void-icon.png - VOID Return



Property reference

Fc9-prop-icon.png Properties
Fc9-type-16-icon.png Channel
Channel selection 
Fc9-type-5-icon.png SDA
Pin used for SDA (data signal) 
Fc9-type-5-icon.png SCL
Pin used for SCL (clock signal) 
Fc9-type-16-icon.png Baud Select
Baud rate option selector 
Fc9-type-14-icon.png Baud Rate
Baud rate to be used 
Fc9-type-7-icon.png 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.  
Fc9-conn-icon.png Simulation
Fc9-type-7-icon.png Simulation Comms
 
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