/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_time_process, ev, data)
{
struct {
uint16_t len;
uint16_t clock;
uint16_t rtimer;
uint16_t timesynch;
uint16_t timesynch_authority;
uint16_t time[2];
} msg;
unsigned long newtime;
const char *nextptr;
PROCESS_BEGIN();
if(data != NULL) {
newtime = shell_strtolong(data, &nextptr);
if(data != nextptr) {
shell_set_time(newtime);
}
}
msg.clock = (uint16_t)clock_time();
msg.rtimer = (uint16_t)RTIMER_NOW();
#if TIMESYNCH_CONF_ENABLED
msg.timesynch = timesynch_time();
msg.timesynch_authority = timesynch_authority_level();
#else
msg.timesynch = 0;
msg.timesynch_authority = -1;
#endif
msg.time[0] = (uint16_t)(shell_time() >> 16);
msg.time[1] = (uint16_t)(shell_time());
msg.len = 6;
shell_output(&time_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
int
cc2420_send(const void *payload, unsigned short payload_len)
{
int i;
uint8_t total_len;
struct timestamp timestamp;
uint16_t checksum;
GET_LOCK();
PRINTF("cc2420: sending %d bytes\n", payload_len);
RIMESTATS_ADD(lltx);
/* Wait for any previous transmission to finish. */
while(status() & BV(CC2420_TX_ACTIVE));
/* Write packet to TX FIFO. */
strobe(CC2420_SFLUSHTX);
checksum = crc16_data(payload, payload_len, 0);
total_len = payload_len + AUX_LEN;
FASTSPI_WRITE_FIFO(&total_len, 1);
FASTSPI_WRITE_FIFO(payload, payload_len);
FASTSPI_WRITE_FIFO(&checksum, CHECKSUM_LEN);
#if CC2420_CONF_TIMESTAMPS
timestamp.authority_level = timesynch_authority_level();
timestamp.time = timesynch_time();
FASTSPI_WRITE_FIFO(×tamp, TIMESTAMP_LEN);
#endif /* CC2420_CONF_TIMESTAMPS */
/* 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.
*
* Note that we may have to wait up to 320 us (20 symbols) before
* transmission starts.
*/
#ifdef TMOTE_SKY
#define LOOP_20_SYMBOLS 100 /* 326us (msp430 @ 2.4576MHz) */
#elif __AVR__
#define LOOP_20_SYMBOLS 500 /* XXX */
#endif
#if WITH_SEND_CCA
strobe(CC2420_SRXON);
while(!(status() & BV(CC2420_RSSI_VALID)));
strobe(CC2420_STXONCCA);
#else /* WITH_SEND_CCA */
strobe(CC2420_STXON);
#endif /* WITH_SEND_CCA */
for(i = LOOP_20_SYMBOLS; i > 0; i--) {
if(SFD_IS_1) {
#if CC2420_CONF_TIMESTAMPS
rtimer_clock_t txtime = timesynch_time();
#endif /* CC2420_CONF_TIMESTAMPS */
if(receive_on) {
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
}
ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
/* We wait until transmission has ended so that we get an
accurate measurement of the transmission time.*/
while(status() & BV(CC2420_TX_ACTIVE));
#if CC2420_CONF_TIMESTAMPS
setup_time_for_transmission = txtime - timestamp.time;
if(num_transmissions < 10000) {
total_time_for_transmission += timesynch_time() - txtime;
total_transmission_len += total_len;
num_transmissions++;
}
#endif /* CC2420_CONF_TIMESTAMPS */
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,cc2420_get_txpower());
#endif
ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
if(receive_on) {
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
}
RELEASE_LOCK();
return 0;
}
}
/* If we are using WITH_SEND_CCA, we get here if the packet wasn't
transmitted because of other channel activity. */
RIMESTATS_ADD(contentiondrop);
PRINTF("cc2420: do_send() transmission never started\n");
RELEASE_LOCK();
return -3; /* Transmission never started! */
}
/*---------------------------------------------------------------------------*/
int
nrf24l01_send(const void *payload, unsigned short payload_len)
{
uint8_t total_len,buffer[RF230_MAX_TX_FRAME_LENGTH],*pbuf;
uint8_t tx_result = RADIO_TX_ERR;
#if RF230_CONF_TIMESTAMPS
struct timestamp timestamp;
#endif /* RF230_CONF_TIMESTAMPS */
#if RF230_CONF_CHECKSUM
uint16_t checksum;
#endif /* RF230_CONF_CHECKSUM */
#if RADIOSTATS
RF230_sendpackets++;
#endif
GET_LOCK();
RIMESTATS_ADD(lltx);
#if RF230_CONF_CHECKSUM
checksum = crc16_data(payload, payload_len, 0);
#endif /* RF230_CONF_CHECKSUM */
total_len = payload_len + AUX_LEN;
/*Check function parameters and current state.*/
if (total_len > RF230_MAX_TX_FRAME_LENGTH){
#if RADIOSTATS
RF230_sendfail++;
#endif
return -1;
}
pbuf=&buffer[0];
memcpy(pbuf,payload,payload_len);
pbuf+=payload_len;
#if RF230_CONF_CHECKSUM
memcpy(pbuf,&checksum,CHECKSUM_LEN);
pbuf+=CHECKSUM_LEN;
#endif /* RF230_CONF_CHECKSUM */
#if RF230_CONF_TIMESTAMPS
timestamp.authority_level = timesynch_authority_level();
timestamp.time = timesynch_time();
memcpy(pbuf,×tamp,TIMESTAMP_LEN);
pbuf+=TIMESTAMP_LEN;
#endif /* RF230_CONF_TIMESTAMPS */
/* If radio is sleeping we have to turn it on first */
//
/* if need radio calibrate, do it here */
//
/* Wait for any previous transmission to finish. */
//nrf24l01_waitidle();
BUSYWAIT_UNTIL(nrf24l01_status(), RTIMER_SECOND / 100);
/* set tx mode */
//
/* set some features here like auto ack */
//
/* get the current power and save, then adjust the power to send */
//
if(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) > 0) {
nrf24l01_set_txpower(packetbuf_attr(PACKETBUF_ATTR_RADIO_TXPOWER) - 1);
} else {
nrf24l01_set_txpower(TX_PWR_18DBM); //-18dbm
}
/* Now start transmitting... */
PRINTF("nrf24l01: sending %d bytes\n", payload_len);
//send these data
SPI_WRITE_BUF(WR_TX_PLOAD, buffer, total_len);
if(1) {
#if RF230_CONF_TIMESTAMPS
rtimer_clock_t txtime = timesynch_time();
#endif /* RF230_CONF_TIMESTAMPS */
if(rf_radio_on) {
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
}
ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
/* We wait until transmission has ended so that we get an
accurate measurement of the transmission time.*/
//nrf24l01_waitidle();
//radio_set_trx_state(RX_AACK_ON);//Re-enable receive mode
BUSYWAIT_UNTIL(isr_event_write.isr_type, RTIMER_SECOND / 100);
if(ISR_TX_DS == isr_event_write.isr_type)
{
tx_result = RADIO_TX_OK;
}
/*else if(ISR_MAX_RT == state)
{
tx_result = RADIO_TX_NOACK;
}*/
else
{
tx_result = RADIO_TX_NOACK;
}
#if RF230_CONF_TIMESTAMPS
setup_time_for_transmission = txtime - timestamp.time;
if(num_transmissions < 10000) {
total_time_for_transmission += timesynch_time() - txtime;
total_transmission_len += total_len;
num_transmissions++;
}
#endif /* RF230_CONF_TIMESTAMPS */
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
ENERGEST_OFF_LEVEL(ENERGEST_TYPE_TRANSMIT,rf230_get_txpower());
#endif
ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
if(rf_radio_on) {
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
}
RELEASE_LOCK();
return tx_result;
}
}
