framer-802154.c File Reference

    MAC framer for IEEE 802.15.4

Author

Niclas Finne nfi@s.nosp@m.ics..nosp@m.se Joakim Eriksson joaki.nosp@m.me@s.nosp@m.ics.s.nosp@m.e

#include "net/mac/framer-802154.h"
#include "net/mac/frame802154.h"
#include "net/packetbuf.h"
#include "lib/random.h"
#include <string.h>

Macros
#define	_DEBUG_   0
#define	PRINTADDR(addr)
#define	PRINTF(...)

Functions
static int	create (void)
static int	is_broadcast_addr (uint8_t mode, uint8_t *addr)
static int	parse (void)

Variables
struct framer	framer_802154
static uint8_t	initialized = 0
static uint8_t	mac_dsn
	The sequence number (0x00 - 0xff) added to the transmitted data or MAC command frame. More...
static const uint16_t	mac_dst_pan_id = IEEE802154_PANID
	The 16-bit identifier of the PAN on which the device is sending to. More...
static const uint16_t	mac_src_pan_id = IEEE802154_PANID
	The 16-bit identifier of the PAN on which the device is operating. More...

#define _DEBUG_   0

#define PRINTADDR

(

addr

)

Referenced by create(), and parse().

#define PRINTF

(

...

)

Referenced by create(), and parse().

static int create ( void  )

static

Todo:

For phase 1 the addresses are all long. We'll need a mechanism in the rime attributes to tell the mac to use long or short for phase 2.

References frame802154_fcf_t::ack_required, frame802154_t::dest_addr, frame802154_fcf_t::dest_addr_mode, frame802154_t::dest_pid, frame802154_t::fcf, frame802154_create(), FRAME802154_DATAFRAME, frame802154_hdrlen(), FRAME802154_IEEE802154_2003, FRAME802154_LONGADDRMODE, FRAME802154_SHORTADDRMODE, frame802154_fcf_t::frame_pending, frame802154_fcf_t::frame_type, frame802154_fcf_t::frame_version, FRAMER_FAILED, initialized, len, linkaddr_cmp(), linkaddr_copy(), linkaddr_node_addr, linkaddr_null, mac_dsn, mac_dst_pan_id, mac_src_pan_id, packetbuf_addr(), PACKETBUF_ADDR_RECEIVER, packetbuf_attr(), PACKETBUF_ATTR_MAC_ACK, PACKETBUF_ATTR_MAC_SEQNO, PACKETBUF_ATTR_PENDING, packetbuf_datalen(), packetbuf_dataptr(), packetbuf_hdralloc(), packetbuf_hdrptr(), packetbuf_set_attr(), packetbuf_totlen(), frame802154_fcf_t::panid_compression, params, frame802154_t::payload, frame802154_t::payload_len, PRINTADDR, PRINTF, random_rand(), frame802154_fcf_t::security_enabled, frame802154_t::seq, frame802154_t::src_addr, frame802154_fcf_t::src_addr_mode, and frame802154_t::src_pid.

static int is_broadcast_addr ( uint8_t  mode, uint8_t *  addr  )

static

References FRAME802154_SHORTADDRMODE, and i.

Referenced by parse().

static int parse ( void  )

static

References frame802154_t::dest_addr, frame802154_fcf_t::dest_addr_mode, frame802154_t::dest_pid, frame802154_t::fcf, FRAME802154_BROADCASTPANDID, frame802154_parse(), frame802154_fcf_t::frame_pending, frame802154_fcf_t::frame_type, FRAMER_FAILED, is_broadcast_addr(), len, mac_src_pan_id, packetbuf_addr(), PACKETBUF_ADDR_RECEIVER, PACKETBUF_ADDR_SENDER, PACKETBUF_ATTR_PACKET_ID, PACKETBUF_ATTR_PENDING, packetbuf_datalen(), packetbuf_dataptr(), packetbuf_hdrreduce(), packetbuf_set_addr(), packetbuf_set_attr(), frame802154_t::payload_len, PRINTADDR, PRINTF, frame802154_t::seq, and frame802154_t::src_addr.

struct framer framer_802154

Initial value:

= {
  create, parse
}

uint8_t initialized = 0

static

Referenced by create().

uint8_t mac_dsn

static

The sequence number (0x00 - 0xff) added to the transmitted data or MAC command frame.

The default is a random value within the range.

Referenced by create().

const uint16_t mac_dst_pan_id = IEEE802154_PANID

static

The 16-bit identifier of the PAN on which the device is sending to.

If this value is 0xffff, the device is not associated.

Referenced by create().

const uint16_t mac_src_pan_id = IEEE802154_PANID

static

The 16-bit identifier of the PAN on which the device is operating.

If this value is 0xffff, the device is not associated.

Referenced by create(), and parse().