Difference between revisions of "Component: IO Expander (PCF8575) (PCF8575) (General Input)"
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==Component Source Code== | ==Component Source Code== | ||
− | Please click here | + | Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_IOEXP_PCF8575.fcfx FC_Comp_Source_IOEXP_PCF8575.fcfx] |
==Detailed description== | ==Detailed description== | ||
+ | |||
+ | |||
Line 40: | Line 42: | ||
==Examples== | ==Examples== | ||
+ | |||
+ | |||
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==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;" | '''ReadPort''' | ||
+ | |- | ||
+ | | colspan="2" | Reads the current input value of the I/O pins. | ||
+ | |- | ||
+ | |- | ||
+ | | 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;" | '''WritePort''' | ||
+ | |- | ||
+ | | colspan="2" | Writes an output value to the IO pins | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT | ||
+ | | width="90%" | Value | ||
+ | |- | ||
+ | | colspan="2" | Value to write. Range 0-65535 | ||
+ | |- | ||
+ | | 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" | | ||
+ | |- | ||
+ | |- | ||
+ | | 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 Communications | ||
+ | |- | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
+ | | width="90%" | Device Type | ||
+ | |- | ||
+ | | colspan="2" | | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
+ | | width="90%" | External Address | ||
+ | |- | ||
+ | | colspan="2" | Selects the value of the three address pins for the MCP23S17. | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
+ | | width="90%" | Channel | ||
+ | |- | ||
+ | | colspan="2" | Channel selection | ||
+ | |- | ||
+ | | 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" | [[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-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" 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-10-icon.png]] | ||
+ | | width="90%" | Label | ||
+ | |- | ||
+ | | colspan="2" | | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-7-icon.png]] | ||
+ | | width="90%" | Scope Traces | ||
+ | |- | ||
+ | | colspan="2" | Selects if the scope traces are automatically generated or not | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-7-icon.png]] | ||
+ | | width="90%" | Console Data | ||
+ | |- | ||
+ | | colspan="2" | Selects if the console data is automatically generated or not | ||
+ | |- | ||
+ | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
+ | | width="90%" | API | ||
+ | |- | ||
+ | | 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 | 1.0 |
Category | General Input |
Contents
IO Expander (PCF8575) component
Provides 16 digital input/output pins arranged into 8-bit ports using a I2C bus connection. Up to eight expanders can be connected to the same I2C peripheral by means of three address pins. Supports the PCF8575 device allowing up to 8 expanders to be connected to the same I2C bus.
Component Source Code
Please click here to view the component source code (Beta): FC_Comp_Source_IOEXP_PCF8575.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
ReadPort | |
Reads the current input value of the I/O pins. | |
- UINT | Return |
WritePort | |
Writes an output value to the IO pins | |
- UINT | Value |
Value to write. Range 0-65535 | |
- VOID | Return |
Initialise | |
- VOID | Return |
Property reference
==Macro reference==
ReadPort | |
Reads the current input value of the I/O pins. | |
- UINT | Return |
WritePort | |
Writes an output value to the IO pins | |
- UINT | Value |
Value to write. Range 0-65535 | |
- VOID | Return |
Initialise | |
- VOID | Return |