Component: Temp / Humidity (DHT22) (Environmental) - Revision history

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← Older revision		Revision as of 10:25, 20 October 2023
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	Example Program showing how to sample the DHT22 sensor and show the temperature and humidity on an LCD.		Example Program showing how to sample the DHT22 sensor and show the temperature and humidity on an LCD.
	{{Fcfile\|DHT22_Example.fcfx\|DHT22 Example}}		{{Fcfile\|DHT22_Example.fcfx\|DHT22 Example}}
		+
		+

@@ Line 17: / Line 17: @@
 ==Component Source Code==
-Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_temp/DHT22.fcfx FC_Comp_Source_temp/DHT22.fcfx]
+Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_DHT22.fcfx FC_Comp_Source_DHT22.fcfx]
-Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_temp/DHT22.fcfx FC_Comp_Source_temp/DHT22.fcfx]
+Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_DHT22.fcfx FC_Comp_Source_DHT22.fcfx]
 ==Detailed description==
@@ Line 74: / Line 74: @@
 Example Program showing how to sample the DHT22 sensor and show the temperature and humidity on an LCD.
 {{Fcfile|DHT22_Example.fcfx|DHT22 Example}}

@@ Line 74: / Line 74: @@
 Example Program showing how to sample the DHT22 sensor and show the temperature and humidity on an LCD.
 {{Fcfile|DHT22_Example.fcfx|DHT22 Example}}
@@ Line 207: / Line 209: @@
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}

@@ Line 17: / Line 17: @@
 ==Component Source Code==
-Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_DHT22.fcfx FC_Comp_Source_DHT22.fcfx]
+Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_temp/DHT22.fcfx FC_Comp_Source_temp/DHT22.fcfx]
-Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_DHT22.fcfx FC_Comp_Source_DHT22.fcfx]
+Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_temp/DHT22.fcfx FC_Comp_Source_temp/DHT22.fcfx]
 ==Detailed description==
@@ Line 79: / Line 79: @@
 ===GetHumidityFloat===
@@ Line 109: / Line 97: @@
-===GetTempString===
+===GetHumidityReal===
 {| 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'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetHumidityReal'''
 |-
-| 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".&nbsp;
+| 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.&nbsp;
 |-
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
+| 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''
 |}
@@ Line 147: / Line 135: @@
 |-
 | 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''
 |}
@@ Line 165: / Line 167: @@
-===GetHumidityReal===
+===GetTempString===
 {| 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'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetTempString'''
 |-
-| 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.&nbsp;
+| 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".&nbsp;
 |-
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s16-icon.png]] - INT
+| 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''
 |}
-===SampleSensor===
+===GetTempWhole===
 {| 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'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetTempWhole'''
 |-
-| colspan="2" | Communicates with the DHT22 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error.&nbsp;
+| 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.&nbsp;
 |-
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
+| 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''
 |}
-===GetTempFloat===
+===SampleSensor===
 {| 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'''
+| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SampleSensor'''
 |-
-| 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.&nbsp;
+| colspan="2" | Communicates with the DHT22 sensor and receives the temperature and humidity readings. Returns 0 for success, 1 for no communication detected and 2 for checksum error.&nbsp;
 |-
 |-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
+| 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''
 |}

@@ Line 74: / Line 74: @@
 Example Program showing how to sample the DHT22 sensor and show the temperature and humidity on an LCD.
 {{Fcfile|DHT22_Example.fcfx|DHT22 Example}}
@@ Line 79: / Line 81: @@
 ==Macro reference==
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 |-
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 |-
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@@ Line 20: / Line 20: @@
 ==Detailed description==
@@ Line 36: / Line 38: @@
 ==Examples==
@@ Line 53: / Line 57: @@
 {{Fcfile|DHT22_Example.fcfx|DHT22 Example}}
-==Downloadable macro reference==
+==Macro reference==
 {| class="wikitable" style="width:60%; background-color:#FFFFFF;"