Difference between revisions of "Component: ADC (AD7680) (Analog Input)"

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| width="20%" style="color: gray;" | Author
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| width="20%" style="color:gray;" | Author
 
| Matrix TSL
 
| Matrix TSL
 
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| width="20%" style="color: gray;" | Version
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| 1.0 (Release)
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| Analog Input
 
| Analog Input
 
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==ADC (AD7680) component==
 +
16-bit external ADC connected to the microcontroller using SPI.
 +
 +
==Component Source Code==
 +
 +
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_ExternalADC_AD7680.fcfx FC_Comp_Source_ExternalADC_AD7680.fcfx]
  
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==[[File:Component Icon 937e425e_21c0_4b08_8d8f_0bf80a6391d2.png|Image]] ADC (AD7680) component==
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Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_ExternalADC_AD7680.fcfx FC_Comp_Source_ExternalADC_AD7680.fcfx]
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16-bit external ADC connected to the microcontroller using SPI.
 
  
 
==Detailed description==
 
==Detailed description==
  
−
===Overview===
 
−
The AD7680 is a 2.5V to 5.5V general purpose SPI compatible, successive
 
−
approximation analogue to digital converter (ADC).
 
−
The reference for the AD7680 is taken internally from VDD
 
−
Pin reference from the datasheet:
 
  
−
[[AD7680 Pin Reference.png]]
 
  
−
==Examples==
 
  
−
This example reads the voltage on the AD7680 Vin and converts the ADC results into a voltage.
 
−
For the result to be correct, you must change the Voltage variable to match the supply voltage.
 
  
−
{{Fcfile|AD7680 Demo.fcfx|AD7680 Demo}}
 
−
==Circuit Diagram==
 
−
[[AD7680 Circuit Diagram.png]]
 
  
  
  
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==Downloadable macro reference==
 
  
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===<span style="font-weight: normal;"><u><tt>SampleADC</tt></u></span>===
 
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Reads the ADC and returns the reading as an unsigned 16-bit value.
 
  
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Range: 0-65535 / 0=0V / 65535=VCC
 
  
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'''Parameters'''
 
  
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:''This macro has no parameters''
 
  
  
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'''Return value'''
 
  
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:[[Variable Types|UINT]]
 
  
  
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===<span style="font-weight: normal;"><u><tt>Initialise</tt></u></span>===
 
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Initialise the SPI bus ready for communications,
 
  
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'''Parameters'''
 
  
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:''This macro has no parameters''
 
  
  
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'''Return value'''
 
  
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:''This call does not return a value''
 
  
  
  
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==Simulation macro reference==
 
  
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''This component does not contain any simulation macros''
+
 
 +
===Overview===
 +
The AD7680 is a 2.5V to 5.5V  SPI compatible, successive
 +
approximation analogue to digital converter (ADC).
 +
 
 +
The reference for the AD7680 is taken internally from VDD
 +
 
 +
 
 +
Pin reference from the datasheet:
 +
 
 +
[[File:AD7680 Pin Reference.png]]
 +
 
 +
==Examples==
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
  
  
−
==Property reference==
 
−
<span style="font-weight: normal;"><u>Channel</u></span>
 
  
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This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''cal_spi1::CHANNEL''.
 
  
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SPI Channel selector
 
  
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<span style="font-weight: normal;"><u>Prescale</u></span>
 
  
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This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''cal_spi1::PR_SCALE''.
 
  
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Prescale option selector
 
  
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<span style="font-weight: normal;"><u>MOSI</u></span>
 
  
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This property is of type ''Single digital pin'' and can be referenced with the variable name ''cal_spi1::MOSI''.
 
  
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SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode.
 
  
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<span style="font-weight: normal;"><u>MISO</u></span>
 
  
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This property is of type ''Single digital pin'' and can be referenced with the variable name ''cal_spi1::MISO''.
 
  
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SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode.
 
  
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<span style="font-weight: normal;"><u>CLK</u></span>
 
  
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This property is of type ''Single digital pin'' and can be referenced with the variable name ''cal_spi1::CLK''.
 
  
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SPI Clock Pin CLK - The Clock signal is driven by the SPI master.
 
  
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<span style="font-weight: normal;"><u>CS / SS</u></span>
 
  
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This property is of type ''Single digital pin'' and can be referenced with the variable name ''cal_spi1::SS''.
 
  
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Chip Select / Slave Select Pin
 
  
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Master Mode: General purpose output pin used to select the remote SPI device.
+
This example reads the voltage on the AD7680 Vin and converts the ADC results into a voltage.
 +
For the result to be correct, you must change the Voltage variable to match the supply voltage.
  
−
Slave Mode: Hardware chip select pin input used to select the SPI device.
+
{{Fcfile|AD7680 Demo.fcfx|AD7680 Demo}}
 +
==Circuit Diagram==
 +
[[File:AD7680 Circuit Diagram.png]]
  
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<span style="font-weight: normal;"><u>Simulate Comms</u></span>
 
  
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This property is of type ''True or false'' and can be referenced with the variable name ''SimulateComms''.
 
  
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''<span style="color:red;">No additional information</span>''
 
  
  
  
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<span style="font-weight: normal;"><u>Console Data</u></span>
 
  
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This property is of type ''True or false'' and can be referenced with the variable name ''cal_spi1::ConsoleData''.
 
  
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Selects if the console data is automatically generated or not
 
  
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<span style="font-weight: normal;"><u>Scope Traces</u></span>
 
  
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This property is of type ''True or false'' and can be referenced with the variable name ''cal_spi1::ScopeTraces''.
 
  
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Selects if the scope traces are automatically generated or not
 
  
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<span style="font-weight: normal;"><u>Injector</u></span>
 
  
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This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''cal_spi1::Injector''.
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==Macro reference==
  
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''<span style="color:red;">No additional information</span>''
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===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'''
 +
|-
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| colspan="2" | Initialise the SPI bus ready for communications,&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''
 +
|}
 +
 
 +
 
 +
===SampleADC===
 +
{| 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;" | '''SampleADC'''
 +
|-
 +
| colspan="2" | Reads the ADC and returns the reading as an unsigned 16-bit value. Range: 0-65535 / 0=0V / 65535=VCC &nbsp;
 +
|-
 +
|-
 +
| 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''
 +
|}
 +
 
 +
 
 +
==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;" | SPI Properties
 +
|-
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 +
| width="90%" | Channel
 +
|-
 +
| colspan="2" | SPI Channel selector&nbsp;
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 +
| width="90%" | Prescale
 +
|-
 +
| colspan="2" | Prescale option selector&nbsp;
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 +
| width="90%" | MOSI
 +
|-
 +
| colspan="2" | SPI Data Out Pin SDO - Also Known as Master Out Slave In (MOSI) when used in Master mode.&nbsp;
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 +
| width="90%" | MISO
 +
|-
 +
| colspan="2" | SPI Data In Pin SDI - Also Known as Master In Slave Out (MISO) when used in Master mode.&nbsp;
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 +
| width="90%" | CLK
 +
|-
 +
| colspan="2" | SPI Clock Pin CLK - The Clock signal is driven by the SPI master.&nbsp;
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 +
| width="90%" | CS / SS
 +
|-
 +
| colspan="2" | 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. &nbsp;
 +
|-
 +
| 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%" | Data Recorder Trace
 +
|-
 +
| colspan="2" | &nbsp;
 +
|-
 +
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 +
| width="90%" | Simulate Comms
 +
|-
 +
| colspan="2" | &nbsp;
 +
|}

Latest revision as of 13:10, 7 February 2023

Author Matrix TSL
Version 1.0
Category Analog Input


ADC (AD7680) component

16-bit external ADC connected to the microcontroller using SPI.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_ExternalADC_AD7680.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_ExternalADC_AD7680.fcfx

Detailed description

Overview

The AD7680 is a 2.5V to 5.5V SPI compatible, successive approximation analogue to digital converter (ADC).

The reference for the AD7680 is taken internally from VDD


Pin reference from the datasheet:

AD7680 Pin Reference.png

Examples

This example reads the voltage on the AD7680 Vin and converts the ADC results into a voltage. For the result to be correct, you must change the Voltage variable to match the supply voltage.

FC6 Icon.png AD7680 Demo

Circuit Diagram

AD7680 Circuit Diagram.png







Macro reference

Initialise

Fc9-comp-macro.png Initialise
Initialise the SPI bus ready for communications, 
Fc9-void-icon.png - VOID Return


SampleADC

Fc9-comp-macro.png SampleADC
Reads the ADC and returns the reading as an unsigned 16-bit value. Range: 0-65535 / 0=0V / 65535=VCC  
Fc9-u16-icon.png - UINT Return


Property reference

Fc9-prop-icon.png Properties
Fc9-conn-icon.png SPI Properties
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-conn-icon.png Simulation
Fc9-type-7-icon.png Data Recorder Trace
 
Fc9-type-7-icon.png Simulate Comms
 
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