mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 07:29:42 +00:00
24 lines
450 B
C
24 lines
450 B
C
#include <AT91SAM7S64.h>
|
|
#include <net/uip.h>
|
|
#include <dev/cc2420.h>
|
|
#include <sam7s-spi.h>
|
|
|
|
#define SPI_SPEED 1000000 /* 1MHz clock*/
|
|
#define SPI_DLYBCT 1
|
|
#define SPI_DLYBS 20
|
|
|
|
|
|
#ifndef BV
|
|
#define BV(b) (1<<(b))
|
|
#endif
|
|
|
|
void
|
|
cc2420_arch_init(void)
|
|
{
|
|
spi_init();
|
|
|
|
AT91C_SPI_CSR[CC2420_DEFAULT_DEV] =
|
|
((SPI_DLYBCT<<24) | (SPI_DLYBS<<16) | (((MCK+SPI_SPEED/2)/SPI_SPEED)<<8)
|
|
| AT91C_SPI_NCPHA | AT91C_SPI_BITS_8 | AT91C_SPI_CSAAT);
|
|
}
|