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Added a carrier sensing function.

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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
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14
platform/msb430/dev/cc1020.c
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@ -203,7 +203,7 @@ cc1020_sending(void)
}
int
cc1020_send(const void *buf, unsigned short len)
cc1020_send(const void *buf, unsigned len)
{
if (cc1020_state == CC1020_OFF)
return -2;
@ -235,9 +235,9 @@ cc1020_send(const void *buf, unsigned short len)
}
int
cc1020_read(void *buf, unsigned short size)
cc1020_read(void *buf, unsigned size)
{
unsigned short len;
unsigned len;
if (cc1020_rxlen <= HDRSIZE)
return 0;
@ -296,6 +296,14 @@ cc1020_get_rssi(void)
return rssi;
}
int
cc1020_carrier_sense(void)
{
int carrier_sense;
return !!(cc1020_read_reg(CC1020_STATUS) & CARRIER_SENSE);
}
interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
{
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_tx(void);
void cc1020_set_power(uint8_t pa_power);
int cc1020_carrier_sense(void);
uint8_t cc1020_get_rssi(void);
int cc1020_sending(void);
int cc1020_send(const void *buf, unsigned short size);
int cc1020_read(void *buf, unsigned short size);
int cc1020_send(const void *buf, unsigned size);
int cc1020_read(void *buf, unsigned size);
void cc1020_set_receiver(void (*recv)(const struct radio_driver *));
int cc1020_on(void);
int cc1020_off(void);