Difference between revisions of "Component: Digital Potentiometer (MCP44XX) (Analog Output)"
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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_MCP44xx_Digital_Pot.fcfx FC_Comp_Source_MCP44xx_Digital_Pot.fcfx] | 
| Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_MCP44xx_Digital_Pot.fcfx FC_Comp_Source_MCP44xx_Digital_Pot.fcfx] | Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_MCP44xx_Digital_Pot.fcfx FC_Comp_Source_MCP44xx_Digital_Pot.fcfx] | ||
| ==Detailed description== | ==Detailed description== | ||
| + | |||
| + | |||
| Line 46: | Line 48: | ||
| ==Examples== | ==Examples== | ||
| + | |||
| + | |||
| Line 72: | Line 76: | ||
| ==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;" | '''IncrementWiper''' | ||
| + | |- | ||
| + | | colspan="2" | Increments a single volatile wiper value  | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| + | | width="90%" | Index | ||
| + | |- | ||
| + | | colspan="2" | Range: 0-3  | ||
| + | |- | ||
| + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
| + | | 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;" | '''DecrementWiper''' | ||
| + | |- | ||
| + | | colspan="2" | Decrements a single volatile wiper value  | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| + | | width="90%" | Index | ||
| + | |- | ||
| + | | colspan="2" | Range: 0-3  | ||
| + | |- | ||
| + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
| + | | 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;" | '''SetWiper''' | ||
| + | |- | ||
| + | | colspan="2" | Sets the value of a single wiper  | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| + | | width="90%" | Index | ||
| + | |- | ||
| + | | colspan="2" | Range: 0-3  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT | ||
| + | | width="90%" | Value | ||
| + | |- | ||
| + | | colspan="2" | 129 Taps Range: 0-128 / 257 Taps Range: 0-256  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-bool-icon.png]] - BOOL | ||
| + | | width="90%" | MemoryType | ||
| + | |- | ||
| + | | colspan="2" | 0=Volatile, 1=Nonvolatile  | ||
| + | |- | ||
| + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
| + | | 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;" | '''ReadAddress''' | ||
| + | |- | ||
| + | | colspan="2" | Reads a value from one of the registers on the device  | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| + | | width="90%" | Address | ||
| + | |- | ||
| + | | colspan="2" | Range: 0-15  | ||
| + | |- | ||
| + | | 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;" | '''WriteAddress''' | ||
| + | |- | ||
| + | | colspan="2" | Writes a value to one of the registers on the device  | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| + | | width="90%" | Address | ||
| + | |- | ||
| + | | colspan="2" | Range: 0-15  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT | ||
| + | | width="90%" | Value | ||
| + | |- | ||
| + | | colspan="2" | Range: 0-256  | ||
| + | |- | ||
| + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
| + | | 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''' | ||
| + | |- | ||
| + | | colspan="2" | Startup the I2C peripheral ready for communications.  | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
| + | | 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" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
| + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Properties | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
| + | | width="90%" | Channel | ||
| + | |- | ||
| + | | colspan="2" | Channel selection  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-5-icon.png]] | ||
| + | | width="90%" | SDA | ||
| + | |- | ||
| + | | colspan="2" | Pin used for SDA (data signal)  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-5-icon.png]] | ||
| + | | width="90%" | SCL | ||
| + | |- | ||
| + | | colspan="2" | Pin used for SCL (clock signal)  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
| + | | width="90%" | Baud Select | ||
| + | |- | ||
| + | | colspan="2" | Baud rate option selector  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-14-icon.png]] | ||
| + | | width="90%" | Baud Rate | ||
| + | |- | ||
| + | | colspan="2" | Baud rate to be used  | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-7-icon.png]] | ||
| + | | 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.   | ||
| + | |- | ||
| + | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
| + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Device Properties | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
| + | | width="90%" | Number of Taps | ||
| + | |- | ||
| + | | colspan="2" |   | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
| + | | width="90%" | Address Bits | ||
| + | |- | ||
| + | | colspan="2" |   | ||
| + | |- | ||
| + | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
| + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation | ||
| + | |- | ||
| + | |- | ||
| + | | width="10%" align="center" | [[File:Fc9-type-7-icon.png]] | ||
| + | | width="90%" | Simulate Comms | ||
| + | |- | ||
| + | | colspan="2" |   | ||
| + | |}==Macro reference== | ||
| {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
Revision as of 09:58, 27 January 2023
| Author | Matrix TSL | 
| Version | 1.0 | 
| Category | Analog Output | 
Contents
Digital Potentiometer (MCP44XX) component
The MCP44XX device range supports 4 digital potentiometers or rheostat outputs. 129 or 257 possible output resistance values for each channel.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_MCP44xx_Digital_Pot.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_MCP44xx_Digital_Pot.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
|   | IncrementWiper | 
| Increments a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | DecrementWiper | 
| Decrements a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | SetWiper | 
| Sets the value of a single wiper | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - UINT | Value | 
| 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | |
|  - BOOL | MemoryType | 
| 0=Volatile, 1=Nonvolatile | |
|  - VOID | Return | 
|   | ReadAddress | 
| Reads a value from one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Return | 
|   | WriteAddress | 
| Writes a value to one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Value | 
| Range: 0-256 | |
|  - VOID | Return | 
|   | Initialise | 
| Startup the I2C peripheral ready for communications. | |
|  - VOID | Return | 
Property reference
==Macro reference==
|   | IncrementWiper | 
| Increments a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | DecrementWiper | 
| Decrements a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | SetWiper | 
| Sets the value of a single wiper | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - UINT | Value | 
| 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | |
|  - BOOL | MemoryType | 
| 0=Volatile, 1=Nonvolatile | |
|  - VOID | Return | 
|   | ReadAddress | 
| Reads a value from one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Return | 
|   | WriteAddress | 
| Writes a value to one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Value | 
| Range: 0-256 | |
|  - VOID | Return | 
|   | Initialise | 
| Startup the I2C peripheral ready for communications. | |
|  - VOID | Return | 
Property reference
==Macro reference==
|   | IncrementWiper | 
| Increments a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | DecrementWiper | 
| Decrements a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | SetWiper | 
| Sets the value of a single wiper | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - UINT | Value | 
| 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | |
|  - BOOL | MemoryType | 
| 0=Volatile, 1=Nonvolatile | |
|  - VOID | Return | 
|   | ReadAddress | 
| Reads a value from one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Return | 
|   | WriteAddress | 
| Writes a value to one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Value | 
| Range: 0-256 | |
|  - VOID | Return | 
|   | Initialise | 
| Startup the I2C peripheral ready for communications. | |
|  - VOID | Return | 
Property reference
==Macro reference==
|   | IncrementWiper | 
| Increments a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | DecrementWiper | 
| Decrements a single volatile wiper value | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - VOID | Return | 
|   | SetWiper | 
| Sets the value of a single wiper | |
|  - BYTE | Index | 
| Range: 0-3 | |
|  - UINT | Value | 
| 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | |
|  - BOOL | MemoryType | 
| 0=Volatile, 1=Nonvolatile | |
|  - VOID | Return | 
|   | ReadAddress | 
| Reads a value from one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Return | 
|   | WriteAddress | 
| Writes a value to one of the registers on the device | |
|  - BYTE | Address | 
| Range: 0-15 | |
|  - UINT | Value | 
| Range: 0-256 | |
|  - VOID | Return | 
|   | Initialise | 
| Startup the I2C peripheral ready for communications. | |
|  - VOID | Return | 






