CCS C Compiler Manual PCB / PCM / PCH

Built-in Functions
spi_data_is_in( ) spi_data_is_in2( )
Syntax:
Parameters:
Returns:
Function:
Availability:
Requires:
result = spi_data_is_in()
result = spi_data_is_in2()
None
0 (FALSE) or 1 (TRUE)
Returns TRUE if data has been received over the SPI.
This function is only available on devices with SPI hardware.
Nothing
Examples:
while ( !spi_data_is_in() && input(PIN_B2) );
if( spi_data_is_in() )
data = spi_read();
Example Files:
Also See:
None
spi_read(), spi_write(), SPI Overview
spi_init()
Syntax:
Parameters:
Returns:
Function:
Availability:
Requires:
spi_init(baud);
spi_init(stream,baud);
stream – is the SPI stream to use as defined in the STREAM=name
option in #USE SPI.
band- the band rate to initialize the SPI module to. If FALSE it will disable
the SPI module, if TRUE it will enable the SPI module to the band rate
specified in #use SPI.
Nothing.
Initializes the SPI module to the settings specified in #USE SPI.
This function is only available on devices with SPI hardware.
#USE SPI
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