Removed the unused function cc2420_cca_valid and replaced some macros
with functions in CC2420. This reduces the code size with over 400 bytes.
This commit is contained in:
Niclas Finne
parent
207f1987ee
commit
271ac4413f
|
|
@ -137,7 +137,7 @@ int cc2420_authority_level_of_sender;
|
|||
|
||||
int cc2420_packets_seen, cc2420_packets_read;
|
||||
|
||||
static uint8_t volatile pending;
|
||||
/* static uint8_t volatile pending; */
|
||||
|
||||
#define BUSYWAIT_UNTIL(cond, max_time) \
|
||||
do { \
|
||||
|
|
@ -294,6 +294,12 @@ const struct radio_driver cc2420_driver =
|
|||
};
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static void
|
||||
strobe(enum cc2420_register regname)
|
||||
{
|
||||
CC2420_STROBE(regname);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
static void
|
||||
getrxdata(void *buf, int len)
|
||||
|
|
@ -310,15 +316,12 @@ flushrx(void)
|
|||
{
|
||||
uint8_t dummy;
|
||||
|
||||
CC2420_READ_FIFO_BYTE(dummy);
|
||||
CC2420_STROBE(CC2420_SFLUSHRX);
|
||||
CC2420_STROBE(CC2420_SFLUSHRX);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static void
|
||||
strobe(enum cc2420_register regname)
|
||||
{
|
||||
CC2420_STROBE(regname);
|
||||
getrxbyte(&dummy);
|
||||
strobe(CC2420_SFLUSHRX);
|
||||
strobe(CC2420_SFLUSHRX);
|
||||
if(dummy) {
|
||||
/* avoid unused variable compiler warning */
|
||||
}
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static unsigned int
|
||||
|
|
@ -329,6 +332,18 @@ status(void)
|
|||
return status;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static void
|
||||
wait_for_status(unsigned int mask)
|
||||
{
|
||||
BUSYWAIT_UNTIL((status() & mask), RTIMER_SECOND / 10);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static void
|
||||
wait_for_not_status(unsigned int mask)
|
||||
{
|
||||
BUSYWAIT_UNTIL(!(status() & mask), RTIMER_SECOND / 10);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static uint8_t locked, lock_on, lock_off;
|
||||
|
||||
static void
|
||||
|
|
@ -337,7 +352,7 @@ on(void)
|
|||
CC2420_ENABLE_FIFOP_INT();
|
||||
strobe(CC2420_SRXON);
|
||||
|
||||
BUSYWAIT_UNTIL(status() & (BV(CC2420_XOSC16M_STABLE)), RTIMER_SECOND / 100);
|
||||
wait_for_status(BV(CC2420_XOSC16M_STABLE));
|
||||
|
||||
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
||||
receive_on = 1;
|
||||
|
|
@ -349,7 +364,7 @@ off(void)
|
|||
receive_on = 0;
|
||||
|
||||
/* Wait for transmission to end before turning radio off. */
|
||||
BUSYWAIT_UNTIL(!(status() & BV(CC2420_TX_ACTIVE)), RTIMER_SECOND / 10);
|
||||
wait_for_not_status(BV(CC2420_TX_ACTIVE));
|
||||
|
||||
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
|
||||
strobe(CC2420_SRFOFF);
|
||||
|
|
@ -390,6 +405,12 @@ setreg(enum cc2420_register regname, unsigned value)
|
|||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static void
|
||||
write_ram(const void *buf, uint16_t addr, int count)
|
||||
{
|
||||
CC2420_WRITE_RAM(buf, addr, count);
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static void
|
||||
set_txpower(uint8_t power)
|
||||
{
|
||||
uint16_t reg;
|
||||
|
|
@ -476,7 +497,6 @@ static int
|
|||
cc2420_transmit(unsigned short payload_len)
|
||||
{
|
||||
int i, txpower;
|
||||
uint8_t total_len;
|
||||
#if CC2420_CONF_CHECKSUM
|
||||
uint16_t checksum;
|
||||
#endif /* CC2420_CONF_CHECKSUM */
|
||||
|
|
@ -491,8 +511,6 @@ cc2420_transmit(unsigned short payload_len)
|
|||
set_txpower(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) - 1);
|
||||
}
|
||||
|
||||
total_len = payload_len + AUX_LEN;
|
||||
|
||||
/* The TX FIFO can only hold one packet. Make sure to not overrun
|
||||
* FIFO by waiting for transmission to start here and synchronizing
|
||||
* with the CC2420_TX_ACTIVE check in cc2420_send.
|
||||
|
|
@ -508,7 +526,7 @@ cc2420_transmit(unsigned short payload_len)
|
|||
|
||||
#if WITH_SEND_CCA
|
||||
strobe(CC2420_SRXON);
|
||||
BUSYWAIT_UNTIL(status() & BV(CC2420_RSSI_VALID), RTIMER_SECOND / 10);
|
||||
wait_for_status(BV(CC2420_RSSI_VALID));
|
||||
strobe(CC2420_STXONCCA);
|
||||
#else /* WITH_SEND_CCA */
|
||||
strobe(CC2420_STXON);
|
||||
|
|
@ -521,7 +539,7 @@ cc2420_transmit(unsigned short payload_len)
|
|||
if(packetbuf_attr(PACKETBUF_ATTR_PACKET_TYPE) ==
|
||||
PACKETBUF_ATTR_PACKET_TYPE_TIMESTAMP) {
|
||||
/* Write timestamp to last two bytes of packet in TXFIFO. */
|
||||
CC2420_WRITE_RAM(&sfd_timestamp, CC2420RAM_TXFIFO + payload_len - 1, 2);
|
||||
write_ram(&sfd_timestamp, CC2420RAM_TXFIFO + payload_len - 1, 2);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -538,7 +556,7 @@ cc2420_transmit(unsigned short payload_len)
|
|||
ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
|
||||
/* We wait until transmission has ended so that we get an
|
||||
accurate measurement of the transmission time.*/
|
||||
BUSYWAIT_UNTIL(!(status() & BV(CC2420_TX_ACTIVE)), RTIMER_SECOND / 10);
|
||||
wait_for_not_status(BV(CC2420_TX_ACTIVE));
|
||||
|
||||
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
|
||||
ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,cc2420_get_txpower());
|
||||
|
|
@ -685,10 +703,10 @@ cc2420_set_channel(int c)
|
|||
/*
|
||||
* Writing RAM requires crystal oscillator to be stable.
|
||||
*/
|
||||
BUSYWAIT_UNTIL((status() & (BV(CC2420_XOSC16M_STABLE))), RTIMER_SECOND / 10);
|
||||
wait_for_status(BV(CC2420_XOSC16M_STABLE));
|
||||
|
||||
/* Wait for any transmission to end. */
|
||||
BUSYWAIT_UNTIL(!(status() & BV(CC2420_TX_ACTIVE)), RTIMER_SECOND / 10);
|
||||
wait_for_not_status(BV(CC2420_TX_ACTIVE));
|
||||
|
||||
setreg(CC2420_FSCTRL, f);
|
||||
|
||||
|
|
@ -715,22 +733,22 @@ cc2420_set_pan_addr(unsigned pan,
|
|||
/*
|
||||
* Writing RAM requires crystal oscillator to be stable.
|
||||
*/
|
||||
BUSYWAIT_UNTIL(status() & (BV(CC2420_XOSC16M_STABLE)), RTIMER_SECOND / 10);
|
||||
wait_for_status(BV(CC2420_XOSC16M_STABLE));
|
||||
|
||||
tmp[0] = pan & 0xff;
|
||||
tmp[1] = pan >> 8;
|
||||
CC2420_WRITE_RAM(&tmp, CC2420RAM_PANID, 2);
|
||||
write_ram(&tmp, CC2420RAM_PANID, 2);
|
||||
|
||||
tmp[0] = addr & 0xff;
|
||||
tmp[1] = addr >> 8;
|
||||
CC2420_WRITE_RAM(&tmp, CC2420RAM_SHORTADDR, 2);
|
||||
write_ram(&tmp, CC2420RAM_SHORTADDR, 2);
|
||||
if(ieee_addr != NULL) {
|
||||
uint8_t tmp_addr[8];
|
||||
/* LSB first, MSB last for 802.15.4 addresses in CC2420 */
|
||||
for (f = 0; f < 8; f++) {
|
||||
tmp_addr[7 - f] = ieee_addr[f];
|
||||
}
|
||||
CC2420_WRITE_RAM(tmp_addr, CC2420RAM_IEEEADDR, 8);
|
||||
write_ram(tmp_addr, CC2420RAM_IEEEADDR, 8);
|
||||
}
|
||||
RELEASE_LOCK();
|
||||
}
|
||||
|
|
@ -745,7 +763,7 @@ cc2420_interrupt(void)
|
|||
process_poll(&cc2420_process);
|
||||
|
||||
last_packet_timestamp = cc2420_sfd_start_time;
|
||||
pending++;
|
||||
/* pending++; */
|
||||
cc2420_packets_seen++;
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -790,7 +808,7 @@ cc2420_read(void *buf, unsigned short bufsize)
|
|||
return 0;
|
||||
}*/
|
||||
|
||||
pending = 0;
|
||||
/* pending = 0; */
|
||||
|
||||
GET_LOCK();
|
||||
|
||||
|
|
@ -906,7 +924,7 @@ cc2420_rssi(void)
|
|||
radio_was_off = 1;
|
||||
cc2420_on();
|
||||
}
|
||||
BUSYWAIT_UNTIL(status() & BV(CC2420_RSSI_VALID), RTIMER_SECOND / 100);
|
||||
wait_for_status(BV(CC2420_RSSI_VALID));
|
||||
|
||||
rssi = (int)((signed char)getreg(CC2420_RSSI));
|
||||
|
||||
|
|
@ -925,19 +943,6 @@ detected_energy(void)
|
|||
}
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
int
|
||||
cc2420_cca_valid(void)
|
||||
{
|
||||
int valid;
|
||||
if(locked) {
|
||||
return 1;
|
||||
}
|
||||
GET_LOCK();
|
||||
valid = !!(status() & BV(CC2420_RSSI_VALID));
|
||||
RELEASE_LOCK();
|
||||
return valid;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
cc2420_cca(void)
|
||||
{
|
||||
|
|
@ -967,7 +972,7 @@ cc2420_cca(void)
|
|||
return 1;
|
||||
}
|
||||
|
||||
BUSYWAIT_UNTIL(status() & BV(CC2420_RSSI_VALID), RTIMER_SECOND / 100);
|
||||
wait_for_status(BV(CC2420_RSSI_VALID));
|
||||
|
||||
cca = CC2420_CCA_IS_1;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue