Difference between revisions of "Component: Temp / Humidity (Grove 101020019) (101020019) (Environmental)"
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==Component Source Code== | ==Component Source Code== | ||
− | Please click here to download the component source project: [https://www.flowcode.co.uk/ | + | Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_Grove_DHT22.fcfx FC_Comp_Source_Grove_DHT22.fcfx] |
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_Grove_DHT22.fcfx FC_Comp_Source_Grove_DHT22.fcfx] | Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_Grove_DHT22.fcfx FC_Comp_Source_Grove_DHT22.fcfx] | ||
==Detailed description== | ==Detailed description== | ||
+ | |||
+ | |||
Line 44: | Line 46: | ||
==Examples== | ==Examples== | ||
+ | |||
+ | |||
Line 68: | Line 72: | ||
==Macro reference== | ==Macro reference== | ||
+ | |||
+ | {| 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;" | '''GetTempWhole''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the whole number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 15. | ||
+ | |- | ||
+ | |- | ||
+ | | 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;" | '''GetHumidityFloat''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the humidity returned by calling SampleSensor as a floating point number. If humidity is 15.8 % then this function would return 15.8. | ||
+ | |- | ||
+ | |- | ||
+ | | 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;" | '''GetTempString''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the temperature returned by calling SampleSensor as a string. If temperature is 15.8 degrees C then this function would return "15.8". | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING | ||
+ | | 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;" | '''GetHumidityString''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the humidity returned by calling SampleSensor as a string. If humidity is 15.8 % then this function would return "15.8". | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING | ||
+ | | 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;" | '''GetHumidityWhole''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the whole number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 15. | ||
+ | |- | ||
+ | |- | ||
+ | | 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;" | '''GetTempReal''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the real number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 8. | ||
+ | |- | ||
+ | |- | ||
+ | | 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" | Gets the real number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 8. | ||
+ | |- | ||
+ | |- | ||
+ | | 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;" | '''SampleSensor''' | ||
+ | |- | ||
+ | | colspan="2" | Communicates with the DHT11 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error. | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE | ||
+ | | 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;" | '''GetTempFloat''' | ||
+ | |- | ||
+ | | colspan="2" | Gets the temperature returned by calling SampleSensor as a floating point number. If temperature is 15.8 degrees C then this function would return 15.8. | ||
+ | |- | ||
+ | |- | ||
+ | | 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'' | ||
+ | |} | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | ==Property reference== | ||
+ | |||
+ | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
+ | |- | ||
+ | | width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]] | ||
+ | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-5-icon.png]] | ||
+ | | width="90%" | SIG Pin | ||
+ | |- | ||
+ | | colspan="2" | Microcontroller I/O Pin connected to the DHT11 sensor data pin. | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-7-icon.png]] | ||
+ | | width="90%" | Use Checksum | ||
+ | |- | ||
+ | | colspan="2" | The checksum value is used to ensure the data being received is correct. Yes = Only receive data if checksum is correct No = Ignore checksum | ||
+ | |- | ||
+ | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
+ | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Advanced Settings | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
+ | | width="90%" | Clock Adjustment | ||
+ | |- | ||
+ | | colspan="2" | On 8-bit PIC devices the timings can be a little tight as slower clock speeds and so we implement an adjustment factor to allow the sensor to function. Auto mode will attempt to automatically calculate a correct adjustment factor. Manual mode will allow you to set your own adjustment factor. | ||
+ | |}==Macro reference== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" |
Revision as of 09:57, 27 January 2023
Author | Matrix TSL |
Version | 1.2 |
Category | Environmental |
Contents
Temp / Humidity (Grove 101020019) component
The DHT22 temperature and humidity sensor is a popular sensor allowing the ambient temperature and relative humidity to be monitored digitally. Humidity Range = 0% - 100% +/- 2% Temperature Range = -40 - 80 Degrees C +/- 0.5 Degrees C
Component Source Code
Please click here to download the component source project: FC_Comp_Source_Grove_DHT22.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_Grove_DHT22.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
GetTempWhole | |
Gets the whole number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 15. | |
- INT | Return |
GetHumidityFloat | |
Gets the humidity returned by calling SampleSensor as a floating point number. If humidity is 15.8 % then this function would return 15.8. | |
- FLOAT | Return |
GetTempString | |
Gets the temperature returned by calling SampleSensor as a string. If temperature is 15.8 degrees C then this function would return "15.8". | |
- STRING | Return |
GetHumidityString | |
Gets the humidity returned by calling SampleSensor as a string. If humidity is 15.8 % then this function would return "15.8". | |
- STRING | Return |
GetHumidityWhole | |
Gets the whole number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 15. | |
- INT | Return |
GetTempReal | |
Gets the real number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 8. | |
- INT | Return |
GetHumidityReal | |
Gets the real number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 8. | |
- INT | Return |
SampleSensor | |
Communicates with the DHT11 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error. | |
- BYTE | Return |
GetTempFloat | |
Gets the temperature returned by calling SampleSensor as a floating point number. If temperature is 15.8 degrees C then this function would return 15.8. | |
- FLOAT | Return |
Property reference
==Macro reference==
GetTempWhole | |
Gets the whole number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 15. | |
- INT | Return |
GetHumidityFloat | |
Gets the humidity returned by calling SampleSensor as a floating point number. If humidity is 15.8 % then this function would return 15.8. | |
- FLOAT | Return |
GetTempString | |
Gets the temperature returned by calling SampleSensor as a string. If temperature is 15.8 degrees C then this function would return "15.8". | |
- STRING | Return |
GetHumidityString | |
Gets the humidity returned by calling SampleSensor as a string. If humidity is 15.8 % then this function would return "15.8". | |
- STRING | Return |
GetHumidityWhole | |
Gets the whole number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 15. | |
- INT | Return |
GetTempReal | |
Gets the real number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 8. | |
- INT | Return |
GetHumidityReal | |
Gets the real number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 8. | |
- INT | Return |
SampleSensor | |
Communicates with the DHT11 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error. | |
- BYTE | Return |
GetTempFloat | |
Gets the temperature returned by calling SampleSensor as a floating point number. If temperature is 15.8 degrees C then this function would return 15.8. | |
- FLOAT | Return |
Property reference
==Macro reference==
GetTempWhole | |
Gets the whole number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 15. | |
- INT | Return |
GetHumidityFloat | |
Gets the humidity returned by calling SampleSensor as a floating point number. If humidity is 15.8 % then this function would return 15.8. | |
- FLOAT | Return |
GetTempString | |
Gets the temperature returned by calling SampleSensor as a string. If temperature is 15.8 degrees C then this function would return "15.8". | |
- STRING | Return |
GetHumidityString | |
Gets the humidity returned by calling SampleSensor as a string. If humidity is 15.8 % then this function would return "15.8". | |
- STRING | Return |
GetHumidityWhole | |
Gets the whole number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 15. | |
- INT | Return |
GetTempReal | |
Gets the real number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 8. | |
- INT | Return |
GetHumidityReal | |
Gets the real number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 8. | |
- INT | Return |
SampleSensor | |
Communicates with the DHT11 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error. | |
- BYTE | Return |
GetTempFloat | |
Gets the temperature returned by calling SampleSensor as a floating point number. If temperature is 15.8 degrees C then this function would return 15.8. | |
- FLOAT | Return |
Property reference
==Macro reference==
GetTempWhole | |
Gets the whole number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 15. | |
- INT | Return |
GetHumidityFloat | |
Gets the humidity returned by calling SampleSensor as a floating point number. If humidity is 15.8 % then this function would return 15.8. | |
- FLOAT | Return |
GetTempString | |
Gets the temperature returned by calling SampleSensor as a string. If temperature is 15.8 degrees C then this function would return "15.8". | |
- STRING | Return |
GetHumidityString | |
Gets the humidity returned by calling SampleSensor as a string. If humidity is 15.8 % then this function would return "15.8". | |
- STRING | Return |
GetHumidityWhole | |
Gets the whole number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 15. | |
- INT | Return |
GetTempReal | |
Gets the real number portion of the temperature returned by calling SampleSensor. If temperature is 15.8 degrees C then this function would return 8. | |
- INT | Return |
GetHumidityReal | |
Gets the real number portion of the humidity returned by calling SampleSensor. If humidity is 15.8 % then this function would return 8. | |
- INT | Return |
SampleSensor | |
Communicates with the DHT11 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error. | |
- BYTE | Return |
GetTempFloat | |
Gets the temperature returned by calling SampleSensor as a floating point number. If temperature is 15.8 degrees C then this function would return 15.8. | |
- FLOAT | Return |