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drivers: ieee802154: Fix resolution in mcxw_get_time function.

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Updated mcxw_get_time function to output its result in nanosecond
resolution and updated code accordingly.

Signed-off-by: Cristian Bulacu <cristian.bulacu@nxp.com>
This commit is contained in:
Cristian Bulacu 2025-06-10 12:17:48 +03:00 • committed by Dan Kalowsky
commit 5cf2d4585e
1 changed files with 6 additions and 6 deletions
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12
drivers/ieee802154/ieee802154_mcxw.c
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@ -458,7 +458,7 @@ static int mcxw_tx(const struct device *dev, enum ieee802154_tx_mode mode, struc
msg->msgData.dataReq.startTime = msg->msgData.dataReq.startTime =
PhyTime_ReadClock() + TX_ENCRYPT_DELAY_SYM; PhyTime_ReadClock() + TX_ENCRYPT_DELAY_SYM;
hdr_time_us = mcxw_get_time(NULL) + hdr_time_us = (mcxw_get_time(NULL) / NSEC_PER_USEC) +
(TX_ENCRYPT_DELAY_SYM + (TX_ENCRYPT_DELAY_SYM +
IEEE802154_PHY_SHR_LEN_SYM) * IEEE802154_PHY_SHR_LEN_SYM) *
IEEE802154_SYMBOL_TIME_US; IEEE802154_SYMBOL_TIME_US;
@ -748,12 +748,12 @@ static void set_csl_sample_time(void)
macToPlmeMessage_t msg; macToPlmeMessage_t msg;
uint32_t csl_period = mcxw_ctx.csl_period * 10 * IEEE802154_SYMBOL_TIME_US; uint32_t csl_period = mcxw_ctx.csl_period * 10 * IEEE802154_SYMBOL_TIME_US;
uint32_t dt = mcxw_ctx.csl_sample_time - (uint32_t)mcxw_get_time(NULL); uint32_t dt = mcxw_ctx.csl_sample_time - (uint32_t)(mcxw_get_time(NULL) / NSEC_PER_USEC);
/* next channel sample should be in the future */ /* next channel sample should be in the future */
while ((dt <= CMP_OVHD) || (dt > (CMP_OVHD + 2 * csl_period))) { while ((dt <= CMP_OVHD) || (dt > (CMP_OVHD + 2 * csl_period))) {
mcxw_ctx.csl_sample_time += csl_period; mcxw_ctx.csl_sample_time += csl_period;
dt = mcxw_ctx.csl_sample_time - (uint32_t)mcxw_get_time(NULL); dt = mcxw_ctx.csl_sample_time - (uint32_t)(mcxw_get_time(NULL) / NSEC_PER_USEC);
} }
/* The CSL sample time is in microseconds and PHY function expects also microseconds */ /* The CSL sample time is in microseconds and PHY function expects also microseconds */
@ -920,7 +920,7 @@ static net_time_t mcxw_get_time(const struct device *dev)
irq_unlock(key); irq_unlock(key);
return (net_time_t)sw_timestamp; return (net_time_t)sw_timestamp * NSEC_PER_USEC;
} }
static void rf_set_tx_power(int8_t tx_power) static void rf_set_tx_power(int8_t tx_power)
@ -945,7 +945,7 @@ static uint64_t rf_adjust_tstamp_from_phy(uint64_t ts)
delta = (now >= ts) ? (now - ts) : ((PHY_TMR_MAX_VALUE + now) - ts); delta = (now >= ts) ? (now - ts) : ((PHY_TMR_MAX_VALUE + now) - ts);
delta *= IEEE802154_SYMBOL_TIME_US; delta *= IEEE802154_SYMBOL_TIME_US;
return mcxw_get_time(NULL) - delta; return (mcxw_get_time(NULL) / NSEC_PER_USEC) - delta;
} }
#if CONFIG_IEEE802154_CSL_ENDPOINT || CONFIG_NET_PKT_TXTIME #if CONFIG_IEEE802154_CSL_ENDPOINT || CONFIG_NET_PKT_TXTIME
@ -953,7 +953,7 @@ static uint32_t rf_adjust_tstamp_from_app(uint32_t time)
{ {
/* The phy timestamp is in symbols so we need to convert it to microseconds */ /* The phy timestamp is in symbols so we need to convert it to microseconds */
uint64_t ts = PhyTime_ReadClock() * IEEE802154_SYMBOL_TIME_US; uint64_t ts = PhyTime_ReadClock() * IEEE802154_SYMBOL_TIME_US;
uint32_t delta = time - (uint32_t)mcxw_get_time(NULL); uint32_t delta = time - (uint32_t)(mcxw_get_time(NULL) / NSEC_PER_USEC);
return (uint32_t)(ts + delta); return (uint32_t)(ts + delta);
} }