Admin: Created page with "= Action = Sends a value of a variable to the SPI-bus. ..."

2013-02-12T17:29:37Z

Created page with "= Action = Sends a value of a variable to the SPI-bus. &nbsp..."

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= Action =

Sends a value of a variable to the SPI-bus.

 

 

= Syntax =

SPIOUT var , bytes

 

 

= Remarks =
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var

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The variable whose content must be send to the SPI-bus.

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bytes

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The number of bytes to send. Maximum value is 255.

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When SPI is used in HW(hardware) mode, there might be a small delay/pause after each byte that is sent. This is caused by the SPI hardware and the speed of the bus. After a byte is transmitted, SPSR bit 7 is checked. This bit 7 indicates that the SPI is ready for sending a new byte.

 

 

= See also =

[[SPIIN]] , [[SPIINIT]] , [[CONFIG SPI|CONFIG SPI]] , [[SPIMOVE]]

 

 

= Example =

 <source lang="bascomavr">
Dim A(10) As Byte
Config Spi = Soft , Din =Pinb.0 , Dout =Portb.1 , Ss =Portb.2 , Clock =Portb.3
Spiinit
Spiout A(1), 4 'write 4 bytes a(1), a(2) , a(3) and a(4)
End
</source> {{Languages}}

[[Category:BASCOM Language Reference]]

SPIOUT - Revision history

Admin: Created page with "= Action = Sends a value of a variable to the SPI-bus. ..."