ABL electronic PIC Microcontrollers PIC18 User Manual

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Prototype
char
Spi_Read(char buffer);
Returns
Returns the received data.
Description
Provides clock by sending 
buffer
and receives data at the end of period.
Requires
SPI must be initialized and communication established before using this function. See
Spi_Init_Advanced
or 
Spi_Init
.
Example
short
take, buffer;
...
take = Spi_Read(buffer);
Spi_Read
Prototype
void
Spi_Write(char data);
Description
Writes byte 
data
to SSPBUF, and immediately starts the transmission.
Requires
SPI must be initialized and communication established before using this function. See
Spi_Init_Advanced
or 
Spi_Init
.
Example
Spi_Write(1);
Spi_Write