giomba/nes-proj
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge pull request #857 from simonduq/contrib/tsch-timeslot-elements

Browse Source 
Document and clean up TSCH timeslot timing elements
This commit is contained in:
George Oikonomou 2019-03-03 23:39:34 +00:00 committed by GitHub
commit 2ccd48f42f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 32 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/cpu/cc2538/dev/cc2538-rf.c
View File

@ -1031,6 +1031,7 @@ get_object(radio_param_t param, void *dest, size_t size)
if(size != sizeof(uint16_t *) || !dest) {
return RADIO_RESULT_INVALID_VALUE;
}
/* Assigned value: a pointer to the TSCH timing in usec */
*(const uint16_t **)dest = tsch_timeslot_timing_us_10000;
return RADIO_RESULT_OK;
}

2
arch/cpu/cc26x0-cc13x0/rf-core/cc13xx-50kbps-tsch.c
View File

@ -57,7 +57,7 @@
#define CC13XX_TSCH_DEFAULT_TS_TIMESLOT_LENGTH 40000
/* TSCH timeslot timing (microseconds) */
const uint16_t tsch_timing_cc13xx_50kbps[tsch_ts_elements_count] = {
const tsch_timeslot_timing_usec tsch_timing_cc13xx_50kbps = {
CC13XX_TSCH_DEFAULT_TS_CCA_OFFSET,
CC13XX_TSCH_DEFAULT_TS_CCA,
CC13XX_TSCH_DEFAULT_TS_TX_OFFSET,

2
arch/dev/cc1200/cc1200-802154g-863-870-fsk-50kbps.c
View File

@ -94,7 +94,7 @@ static const char rf_cfg_descriptor[] = "802.15.4g 863-870MHz MR-FSK mode #1";
)
/* TSCH timeslot timing (mircoseconds) */
static const uint16_t cc1200_50kbps_tsch_timing[tsch_ts_elements_count] = {
static const tsch_timeslot_timing_usec cc1200_50kbps_tsch_timing = {
CC1200_TSCH_DEFAULT_TS_CCA_OFFSET,
CC1200_TSCH_DEFAULT_TS_CCA,
CC1200_TSCH_DEFAULT_TS_TX_OFFSET,

2
arch/dev/cc1200/cc1200-868-4gfsk-1000kbps.c
View File

@ -86,7 +86,7 @@ static const char rf_cfg_descriptor[] = "868MHz 2-GFSK 1000 kbps";
)
/* TSCH timeslot timing (in rtimer ticks) */
static const uint16_t cc1200_1000kbps_tsch_timing[tsch_ts_elements_count] = {
static const tsch_timeslot_timing_usec cc1200_1000kbps_tsch_timing = {
CC1200_TSCH_DEFAULT_TS_CCA_OFFSET,
CC1200_TSCH_DEFAULT_TS_CCA,
CC1200_TSCH_DEFAULT_TS_TX_OFFSET,

1
arch/dev/cc1200/cc1200.c
View File

@ -1449,6 +1449,7 @@ get_object(radio_param_t param, void *dest, size_t size)
if(size != sizeof(uint16_t *) || !dest) {
return RADIO_RESULT_INVALID_VALUE;
}
/* Assigned value: a pointer to the TSCH timing in usec */
*(const uint16_t **)dest = CC1200_RF_CFG.tsch_timing;
return RADIO_RESULT_OK;
}

2
arch/dev/cc2420/cc2420-tsch-15ms.c
View File

@ -45,7 +45,7 @@
* \brief 15ms TSCH timeslot timings, required for cc2420 platforms as
* they are unable to keep up with the defulat 10ms timeslots.
*/
const uint16_t tsch_timeslot_timing_us_15000[tsch_ts_elements_count] = {
const tsch_timeslot_timing_usec tsch_timeslot_timing_us_15000= {
1800, /* CCAOffset */
128, /* CCA */
4000, /* TxOffset */

1
arch/platform/zoul/platform.c
View File

@ -295,6 +295,7 @@ radio_delay_before_detect(void) {
uint16_t *
radio_tsch_timeslot_timing(void) {
uint16_t *ret;
/* Get and return pointer to TSCH timings in usec */
NETSTACK_RADIO.get_object(RADIO_CONST_TSCH_TIMING, &ret, sizeof(ret));
return ret;
}

15
os/dev/radio.h
View File

@ -185,11 +185,26 @@ enum {
/* The maximum transmission power in dBm. */
RADIO_CONST_TXPOWER_MAX,
/* A pointer to TSCH timings in micro-seconds (tsch_timeslot_timing_usec *) */
RADIO_CONST_TSCH_TIMING,
/* The physical layer header+footer overhead in bytes, after SFD.
* On IEEE 802.15.4 at 2.4 GHz: 1 byte for len + 2 for CRC => 3 */
RADIO_CONST_PHY_OVERHEAD,
/* The air time of one byte in usec, e.g. 32 for IEEE 802.15.4 at 2.4 GHz */
RADIO_CONST_BYTE_AIR_TIME,
/* The delay in usec between a call to the radio API's transmit function and
* the end of SFD transmission */
RADIO_CONST_DELAY_BEFORE_TX,
/* The delay in usec between turning on the radio and it being actually
* listening (able to hear a preamble) */
RADIO_CONST_DELAY_BEFORE_RX,
/* The delay in usec between the end of SFD reception for an incoming frame
* and the radio API starting to return receiving_packet() != 0 */
RADIO_CONST_DELAY_BEFORE_DETECT,
};

2
os/net/mac/tsch/tsch-timeslot-timing.c
View File

@ -61,7 +61,7 @@
* (TxOffset - (RxWait / 2)) instead
*/
const uint16_t tsch_timeslot_timing_us_10000[tsch_ts_elements_count] = {
const tsch_timeslot_timing_usec tsch_timeslot_timing_us_10000 = {
1800, /* CCAOffset */
128, /* CCA */
2120, /* TxOffset */

6
os/net/mac/tsch/tsch-types.h
View File

@ -142,6 +142,12 @@ enum tsch_timeslot_timing_elements {
tsch_ts_elements_count, /* Not a timing element */
};
/** \brief TSCH timeslot timing elements in rtimer ticks */
typedef rtimer_clock_t tsch_timeslot_timing_ticks[tsch_ts_elements_count];
/** \brief TSCH timeslot timing elements in micro-seconds */
typedef uint16_t tsch_timeslot_timing_usec[tsch_ts_elements_count];
/** \brief Stores data about an incoming packet */
struct input_packet {
uint8_t payload[TSCH_PACKET_MAX_LEN]; /* Packet payload */

6
os/net/mac/tsch/tsch.h
View File

@ -167,9 +167,9 @@ extern uint8_t tsch_current_channel;
extern uint8_t tsch_hopping_sequence[TSCH_HOPPING_SEQUENCE_MAX_LEN];
extern struct tsch_asn_divisor_t tsch_hopping_sequence_length;
/* TSCH timeslot timing (in micro-second) */
extern uint16_t tsch_timing_us[tsch_ts_elements_count];
extern tsch_timeslot_timing_usec tsch_timing_us;
/* TSCH timeslot timing (in rtimer ticks) */
extern rtimer_clock_t tsch_timing[tsch_ts_elements_count];
extern tsch_timeslot_timing_ticks tsch_timing;
/* Statistics on the current session */
extern unsigned long tx_count;
extern unsigned long rx_count;
@ -177,7 +177,7 @@ extern unsigned long sync_count;
extern int32_t min_drift_seen;
extern int32_t max_drift_seen;
/* The TSCH standard 10ms timeslot timing */
extern const uint16_t tsch_timeslot_timing_us_10000[tsch_ts_elements_count];
extern const tsch_timeslot_timing_usec tsch_timeslot_timing_us_10000;
/* TSCH processes */
PROCESS_NAME(tsch_process);