146 /* packet start offsets (in usecs) */
151 /* Radio ramp-up times in usecs (fast mode) */
266 /* Packet start offset (in usecs). This is the preamble plus access address.
484             /* This will end within a short time (6 usecs). Just poll */  in nrf_wait_disabled()
487                  * no more than 6 usecs */  in nrf_wait_disabled()
509      * Radio ramp-up time is 40 usecs and TX delay is 3 or 5 usecs depending on  in ble_phy_set_start_time()
510      * phy, thus we'll offset RTC by 2 full ticks (61 usecs) and then compensate  in ble_phy_set_start_time()
526      * 30 high-power usecs. Also make sure we don't set TIMER0 CC to 0 as the  in ble_phy_set_start_time()
633  * @param wfr_usecs Amount of usecs to wait.
1017      * during radio ramp-up - this gives us extra 40 usecs which is more than  in ble_phy_rx_end_isr()
1071     uint32_t usecs;  in ble_phy_rx_start_isr()  local
1106     usecs = NRF_TIMER0->CC[1];  in ble_phy_rx_start_isr()
1109     if (usecs < pdu_usecs) {  in ble_phy_rx_start_isr()
1111         usecs += 30;  in ble_phy_rx_start_isr()
1113     usecs -= pdu_usecs;  in ble_phy_rx_start_isr()
1115     ticks = os_cputime_usecs_to_ticks(usecs);  in ble_phy_rx_start_isr()
1116     usecs -= os_cputime_ticks_to_usecs(ticks);  in ble_phy_rx_start_isr()
1117     if (usecs == 31) {  in ble_phy_rx_start_isr()
1118         usecs = 0;  in ble_phy_rx_start_isr()
1123     ble_hdr->rem_usecs = usecs;  in ble_phy_rx_start_isr()
1126      * rx chain delay, it could be 18 usecs from address interrupt. The  in ble_phy_rx_start_isr()
1573  *                  kHz crystal. It is the # of usecs from the cputime tick