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Can't setup_spi2(mode) for Pic18f4431 ?

 
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tidushuu



Joined: 29 Sep 2012
Posts: 8

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Can't setup_spi2(mode) for Pic18f4431 ?
PostPosted: Wed Oct 17, 2012 10:38 am     Reply with quote
Using PCWHD 4.104 , I saw datasheet of Pic18f4431 and it have 2 SPI port, but when i try to setup_spi2, the compiler show error.
My test code is here
Code:

#include <18F4431.h>
#device adc=8

#fuses HS,NOWDT,NOPROTECT,NOLVP 

#use delay(clock=20M)
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8)


void main()
{
setup_spi2(SPI_MASTER | SPI_L_TO_H | SPI_CLK_DIV_16);

}
 


And pin_out of 18f4431
http://circuits.datasheetdir.com/19/PIC18F4431-pinout.jpg
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Oct 17, 2012 12:08 pm     Reply with quote
It doesn't have two SPI channels. It has alternate pins. Look at the
SSPMX configuration bit in the 18F4431 data sheet. It selects between
the normal pins and the alternate pins for SPI.
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