Difference between revisions of "Component: RMT (Internal) (Misc)"

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Provides access to the onboard remote control (RMT) peripheral allowing for high speed data input / output without requiring bit banging from the ESP32 processor.
 
Provides access to the onboard remote control (RMT) peripheral allowing for high speed data input / output without requiring bit banging from the ESP32 processor.
  
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==Component Pack==
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==Component Source Code==
  
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BASICIO
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Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_RMT.fcfx FC_Comp_Source_RMT.fcfx]
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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_RMT.fcfx FC_Comp_Source_RMT.fcfx]
  
 
==Detailed description==
 
==Detailed description==
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==Examples==
 
==Examples==
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''<span style="color:red;">No additional examples</span>''
 
''<span style="color:red;">No additional examples</span>''
  
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==Downloadable macro reference==
 
  
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==Macro reference==
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===Initialise===
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{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
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|-
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| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
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| colspan="2" | Initialises the RMT module ready for data to be sent or received.&nbsp;
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
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| width="90%" style="border-top: 2px solid #000;" | ''Return''
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|}
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===SetBuffer===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
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===Transmit===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
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| colspan="2" | Sends out the RMT data buffer.&nbsp;
 
| colspan="2" | Sends out the RMT data buffer.&nbsp;
 
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| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
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| width="90%" | WaitWhileComplete
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| colspan="2" | 0=Dont Wait, 1=Wait for TX to complete&nbsp;
 
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| 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
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===TransmitBusy===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
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| 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]]
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''TransmitBusy'''
 
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| colspan="2" | Initialises the RMT module ready for data to be sent or received.&nbsp;
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| colspan="2" | Checks to see if the RMT channel is currently transmitting. Returns 1 if transmitting and 0 if transmission is complete.&nbsp;
 
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
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| 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''
 
|}
 
|}
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| colspan="2" | Number of values inside the data buffer, 64 = 1 Block A buffer size of 128 would consume two sequential blocks of memory. If starting at block 1 then you can have a maximum buffer size of 512 consuming all 8 blocks. &nbsp;
 
| colspan="2" | Number of values inside the data buffer, 64 = 1 Block A buffer size of 128 would consume two sequential blocks of memory. If starting at block 1 then you can have a maximum buffer size of 512 consuming all 8 blocks. &nbsp;
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| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
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| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Tx Properties
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| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
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| colspan="2" | Sets the output state when idle.&nbsp;
 
| colspan="2" | Sets the output state when idle.&nbsp;
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| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
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| width="90%" | RX Filter Enable
 
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| colspan="2" | Allows the receive data to be filtered.&nbsp;
 
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| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
 
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| width="90%" | RX Idle Threshold
 
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| colspan="2" | Sets the number of divided clock periods to detect when the receiver is idle. Pulses longer then this period will not be received.&nbsp;
 
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connections'''
 
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
 
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Simulations'''
 
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|}
 
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Latest revision as of 10:24, 24 February 2023

Author Matrix TSL
Version 2.0
Category Misc


RMT (Internal) component

Provides access to the onboard remote control (RMT) peripheral allowing for high speed data input / output without requiring bit banging from the ESP32 processor.

Component Source Code

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

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

Detailed description

No detailed description exists yet for this component

Examples

No additional examples








Macro reference

Initialise

Fc9-comp-macro.png Initialise
Initialises the RMT module ready for data to be sent or received. 
Fc9-void-icon.png - VOID Return


SetBuffer

Fc9-comp-macro.png SetBuffer
Writes data to the RMT buffer 
Fc9-u16-icon.png - UINT Index
Array index, Range: 0 - (BufferSize - 1) 
Fc9-bool-icon.png - BOOL State0
The first state to output 
Fc9-u16-icon.png - UINT Length0
The length of the first output state in divided clock periods 
Fc9-bool-icon.png - BOOL State1
The second state to output 
Fc9-u16-icon.png - UINT Length1
The length of the second output state in divided clock periods 
Fc9-void-icon.png - VOID Return


Transmit

Fc9-comp-macro.png Transmit
Sends out the RMT data buffer. 
Fc9-u8-icon.png - BYTE WaitWhileComplete
0=Dont Wait, 1=Wait for TX to complete 
Fc9-void-icon.png - VOID Return


TransmitBusy

Fc9-comp-macro.png TransmitBusy
Checks to see if the RMT channel is currently transmitting. Returns 1 if transmitting and 0 if transmission is complete. 
Fc9-u8-icon.png - BYTE Return


Property reference

Fc9-prop-icon.png Properties
Fc9-type-16-icon.png Mode
Controls if we are transmitting or receiving data 
Fc9-type-5-icon.png Pin
Pin to assign the RMT functionality 
Fc9-type-21-icon.png Clock Divider
Base Clock speed is 80MHz. Div by 1 = 80MHz Div by 2 = 40MHz Div by 4 = 20MHz Div by 8 = 10MHz 
Fc9-type-16-icon.png Mem Block Num
Starting RMT memory block 
Fc9-type-21-icon.png Buffer Size
Number of values inside the data buffer, 64 = 1 Block A buffer size of 128 would consume two sequential blocks of memory. If starting at block 1 then you can have a maximum buffer size of 512 consuming all 8 blocks.  
Fc9-conn-icon.png Tx Properties
Fc9-type-7-icon.png TX Loop Enable
Allows the transmit buffer to be constantly looped. 
Fc9-type-7-icon.png TX Carrier Enable
Enables a carrier frequency to be overlaid on the transmitted data 
Fc9-type-7-icon.png TX Idle Output
When not transmitting should the Transmit pin be an active output? 
Fc9-type-16-icon.png TX Idle Level
Sets the output state when idle. 
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