Difference between revisions of "Component: IO Expander (BL0155) (E-blocks 2)"

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==Component Source Code==
 
==Component Source Code==
  
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_EBlocks2_IOEXP_BL0155.fcfx FC_Comp_Source_EBlocks2_IOEXP_BL0155.fcfx]
+
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_temp/EBlocks2_IOEXP_BL0155.fcfx FC_Comp_Source_temp/EBlocks2_IOEXP_BL0155.fcfx]
  
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_EBlocks2_IOEXP_BL0155.fcfx FC_Comp_Source_EBlocks2_IOEXP_BL0155.fcfx]
+
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_temp/EBlocks2_IOEXP_BL0155.fcfx FC_Comp_Source_temp/EBlocks2_IOEXP_BL0155.fcfx]
  
 
==Detailed description==
 
==Detailed description==
Line 49: Line 49:
  
 
''<span style="color:red;">No additional examples</span>''
 
''<span style="color:red;">No additional examples</span>''
 +
 +
  
  
Line 57: Line 59:
 
==Macro reference==
 
==Macro reference==
  
===ReadPort===
+
===ConfigureInversion===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadPort'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ConfigureInversion'''
 
|-
 
|-
| colspan="2" | Reads a value to one of the ports with a mask. Configures the masked bits to be inputs before reading the input value.&nbsp;
+
| colspan="2" | Configures the pin inversion for the two ports. Disabled on all pins by default.&nbsp;
 
|-
 
|-
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Port
+
| width="90%" | PortA
 
|-
 
|-
| colspan="2" | 0=PortA, 1=PortB&nbsp;
+
| colspan="2" | Port A inversion sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Mask
+
| width="90%" | PortB
 
|-
 
|-
| colspan="2" | Allows port bits to be modified without effecting other bits, 255 = write full port.&nbsp;
+
| colspan="2" | Port B inversion sent as an 8-bit value, 0 = Disabled, 1 = Enabled&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-void-icon.png]] - VOID
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
|}
 
|}
  
  
===ConfigureInversion===
+
===ConfigurePullups===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ConfigureInversion'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ConfigurePullups'''
 
|-
 
|-
| colspan="2" | Configures the pin inversion for the two ports. Disabled on all pins by default.&nbsp;
+
| colspan="2" | Configures the pullups for the two ports. Disabled on all pins by default.&nbsp;
 
|-
 
|-
 
|-
 
|-
Line 93: Line 95:
 
| width="90%" | PortA
 
| width="90%" | PortA
 
|-
 
|-
| colspan="2" | Port A inversion sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
+
| colspan="2" | Port A pull ups sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="90%" | PortB
 
| width="90%" | PortB
 
|-
 
|-
| colspan="2" | Port B inversion sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
+
| colspan="2" | Port B pull ups sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
 +
|-
 +
| 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''
 +
|}
 +
 
 +
 
 +
===Initialise===
 +
{| 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" | &nbsp;
 +
|-
 
|-
 
|-
 
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
Line 105: Line 121:
  
  
===ReadPortPin===
+
===ReadPort===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadPortPin'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadPort'''
 
|-
 
|-
| colspan="2" | Reads a single port pin from one of the ports. Configures the pins to be an input before reading the input value. Returns 0 or 1 corresponding to the value on the port pin.&nbsp;
+
| colspan="2" | Reads a value to one of the ports with a mask. Configures the masked bits to be inputs before reading the input value.&nbsp;
 
|-
 
|-
 
|-
 
|-
Line 120: Line 136:
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Pin
+
| width="90%" | Mask
 
|-
 
|-
| colspan="2" | Port pin to read. Range: 0-7&nbsp;
+
| colspan="2" | Allows port bits to be modified without effecting other bits, 255 = write full port.&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-u8-icon.png]] - BYTE
Line 129: Line 145:
  
  
===WritePortPin===
+
===ReadPortPin===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''WritePortPin'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadPortPin'''
 
|-
 
|-
| colspan="2" | Writes a single port pin on one of the ports. Configures the pins to be an output before writing the input value. &nbsp;
+
| colspan="2" | Reads a single port pin from one of the ports. Configures the pins to be an input before reading the input value. Returns 0 or 1 corresponding to the value on the port pin.&nbsp;
 
|-
 
|-
 
|-
 
|-
Line 147: Line 163:
 
|-
 
|-
 
| colspan="2" | Port pin to read. Range: 0-7&nbsp;
 
| colspan="2" | Port pin to read. Range: 0-7&nbsp;
 +
|-
 +
| 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''
 +
|}
 +
 +
 +
===ReadRegister===
 +
{| 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;" | '''ReadRegister'''
 +
|-
 +
| colspan="2" | Reads an 8-bit value from a register on the I/O expander device.&nbsp;
 +
|-
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Value
+
| width="90%" | Address
 
|-
 
|-
| colspan="2" | Value to output on the selected pin. Range: 0-1&nbsp;
+
| colspan="2" | Register address to write to. Range: 0-15&nbsp;
 
|-
 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+
| 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''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
|}
 
|}
Line 187: Line 217:
  
  
===ConfigurePullups===
+
===WritePortPin===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ConfigurePullups'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''WritePortPin'''
 
|-
 
|-
| colspan="2" | Configures the pullups for the two ports. Disabled on all pins by default.&nbsp;
+
| colspan="2" | Writes a single port pin on one of the ports. Configures the pins to be an output before writing the input value. &nbsp;
 
|-
 
|-
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | PortA
+
| width="90%" | Port
 
|-
 
|-
| colspan="2" | Port A pull ups sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
+
| colspan="2" | 0=PortA, 1=PortB&nbsp;
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | PortB
+
| width="90%" | Pin
|-
 
| colspan="2" | Port B pull ups sent as an 8-bit value, 0 = Disabled, 1 = Enabled&nbsp;
 
|-
 
| 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''
 
|}
 
 
 
 
 
===ReadRegister===
 
{| 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;" | '''ReadRegister'''
 
|-
 
| colspan="2" | Reads an 8-bit value from a register on the I/O expander device.&nbsp;
 
 
|-
 
|-
 +
| colspan="2" | Port pin to read. Range: 0-7&nbsp;
 
|-
 
|-
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Address
+
| width="90%" | Value
 
|-
 
|-
| colspan="2" | Register address to write to. Range: 0-15&nbsp;
+
| colspan="2" | Value to output on the selected pin. Range: 0-1&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-void-icon.png]] - VOID
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
|}
 
|}
Line 248: Line 264:
 
|-
 
|-
 
| colspan="2" | Value to write. Range: 0-255&nbsp;
 
| colspan="2" | Value to write. Range: 0-255&nbsp;
|-
 
| 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''
 
|}
 
 
 
===Initialise===
 
{| 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" | &nbsp;
 
|-
 
 
|-
 
|-
 
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
 
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID

Revision as of 12:00, 3 February 2023

Author Matrix TSL
Version 1.0
Category E-blocks 2


IO Expander component

Provides 16 digital input/output pins arranged into two 8-bit E-block 2 ports using a SPI bus connection.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_temp/EBlocks2_IOEXP_BL0155.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_temp/EBlocks2_IOEXP_BL0155.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples





Macro reference

ConfigureInversion

Fc9-comp-macro.png ConfigureInversion
Configures the pin inversion for the two ports. Disabled on all pins by default. 
Fc9-u8-icon.png - BYTE PortA
Port A inversion sent as an 8-bit value, 0 = Disabled, 1 = Enabled 
Fc9-u8-icon.png - BYTE PortB
Port B inversion sent as an 8-bit value, 0 = Disabled, 1 = Enabled 
Fc9-void-icon.png - VOID Return


ConfigurePullups

Fc9-comp-macro.png ConfigurePullups
Configures the pullups for the two ports. Disabled on all pins by default. 
Fc9-u8-icon.png - BYTE PortA
Port A pull ups sent as an 8-bit value, 0 = Disabled, 1 = Enabled 
Fc9-u8-icon.png - BYTE PortB
Port B pull ups sent as an 8-bit value, 0 = Disabled, 1 = Enabled 
Fc9-void-icon.png - VOID Return


Initialise

Fc9-comp-macro.png Initialise
 
Fc9-void-icon.png - VOID Return


ReadPort

Fc9-comp-macro.png ReadPort
Reads a value to one of the ports with a mask. Configures the masked bits to be inputs before reading the input value. 
Fc9-u8-icon.png - BYTE Port
0=PortA, 1=PortB 
Fc9-u8-icon.png - BYTE Mask
Allows port bits to be modified without effecting other bits, 255 = write full port. 
Fc9-u8-icon.png - BYTE Return


ReadPortPin

Fc9-comp-macro.png ReadPortPin
Reads a single port pin from one of the ports. Configures the pins to be an input before reading the input value. Returns 0 or 1 corresponding to the value on the port pin. 
Fc9-u8-icon.png - BYTE Port
0=PortA, 1=PortB 
Fc9-u8-icon.png - BYTE Pin
Port pin to read. Range: 0-7 
Fc9-u8-icon.png - BYTE Return


ReadRegister

Fc9-comp-macro.png ReadRegister
Reads an 8-bit value from a register on the I/O expander device. 
Fc9-u8-icon.png - BYTE Address
Register address to write to. Range: 0-15 
Fc9-u8-icon.png - BYTE Return


WritePort

Fc9-comp-macro.png WritePort
Writes a value to one of the ports with a mask. Configures the masked bits to be outputs before writing the output value. 
Fc9-u8-icon.png - BYTE Port
0=PortA, 1=PortB 
Fc9-u8-icon.png - BYTE Mask
Allows port bits to be modified without effecting other bits, 255 = write full port. 
Fc9-u8-icon.png - BYTE Value
Value to write. Range 0-255 
Fc9-void-icon.png - VOID Return


WritePortPin

Fc9-comp-macro.png WritePortPin
Writes a single port pin on one of the ports. Configures the pins to be an output before writing the input value.  
Fc9-u8-icon.png - BYTE Port
0=PortA, 1=PortB 
Fc9-u8-icon.png - BYTE Pin
Port pin to read. Range: 0-7 
Fc9-u8-icon.png - BYTE Value
Value to output on the selected pin. Range: 0-1 
Fc9-void-icon.png - VOID Return


WriteRegister

Fc9-comp-macro.png WriteRegister
Writes an 8-bit value to a register on the I/O expander device. 
Fc9-u8-icon.png - BYTE Address
Register address to write to. Range: 0-15 
Fc9-u8-icon.png - BYTE Value
Value to write. Range: 0-255 
Fc9-void-icon.png - VOID Return



Property reference

Fc9-prop-icon.png Properties
Fc9-conn-icon.png SPI Communications
Fc9-type-16-icon.png External Address
Selects the value of the three address pins for the MCP23S17. 
Fc9-type-16-icon.png Channel
SPI Channel selector 
Fc9-type-16-icon.png Prescale
Prescale option selector 
Fc9-type-5-icon.png MOSI
SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode. 
Fc9-type-5-icon.png MISO
SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode. 
Fc9-type-5-icon.png CLK
SPI Clock Pin CLK - The Clock signal is driven by the SPI master. 
Fc9-type-5-icon.png CS / SS
Chip Select / Slave Select Pin Master Mode: General purpose output pin used to select the remote SPI device. Slave Mode: Hardware chip select pin input used to select the SPI device.  
Fc9-type-5-icon.png Reset Pin
 
Fc9-conn-icon.png Simulation
Fc9-type-10-icon.png Label
 
Fc9-type-7-icon.png Show Comms Flasher
 
Fc9-type-7-icon.png Scope Traces
Selects if the scope traces are automatically generated or not 
Fc9-type-7-icon.png Console Data
Selects if the console data is automatically generated or not 
Fc9-type-16-icon.png API