deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Added a carrier sensing function.

Browse source
This commit is contained in:
nvt-se 2007-11-07 15:34:41 +00:00
parent ee59f1fe34
commit 0e4429068b
2 changed files with 15 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
platform/msb430/dev/cc1020.c
View file

@ -203,7 +203,7 @@ cc1020_sending(void)
} }
int int
cc1020_send(const void *buf, unsigned short len) cc1020_send(const void *buf, unsigned len)
{ {
if (cc1020_state == CC1020_OFF) if (cc1020_state == CC1020_OFF)
return -2; return -2;
@ -235,9 +235,9 @@ cc1020_send(const void *buf, unsigned short len)
} }
int int
cc1020_read(void *buf, unsigned short size) cc1020_read(void *buf, unsigned size)
{ {
unsigned short len; unsigned len;
if (cc1020_rxlen <= HDRSIZE) if (cc1020_rxlen <= HDRSIZE)
return 0; return 0;
@ -296,6 +296,14 @@ cc1020_get_rssi(void)
return rssi; return rssi;
} }
int
cc1020_carrier_sense(void)
{
int carrier_sense;
return !!(cc1020_read_reg(CC1020_STATUS) & CARRIER_SENSE);
}
interrupt(UART0RX_VECTOR) cc1020_rxhandler(void) interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
{ {
static signed char syncbs; static signed char syncbs;

6
platform/msb430/dev/cc1020.h
View file

@ -58,10 +58,12 @@ void cc1020_init(const uint8_t* config);
void cc1020_set_rx(void); void cc1020_set_rx(void);
void cc1020_set_tx(void); void cc1020_set_tx(void);
void cc1020_set_power(uint8_t pa_power); void cc1020_set_power(uint8_t pa_power);
int cc1020_carrier_sense(void);
uint8_t cc1020_get_rssi(void); uint8_t cc1020_get_rssi(void);
int cc1020_sending(void);
int cc1020_send(const void *buf, unsigned short size); int cc1020_send(const void *buf, unsigned size);
int cc1020_read(void *buf, unsigned short size); int cc1020_read(void *buf, unsigned size);
void cc1020_set_receiver(void (*recv)(const struct radio_driver *)); void cc1020_set_receiver(void (*recv)(const struct radio_driver *));
int cc1020_on(void); int cc1020_on(void);
int cc1020_off(void); int cc1020_off(void);