42  * and 16ms for a 30ppm crystal! We need to limit PDU size based on
54  * We configure the nrf with a 1 byte S0 field, 8 bit length field, and
96 /* XXX: if 27 byte packets desired we can make this smaller */
160  *  pending bit was TRUE for the radio interrupt (as expected) as we never
173  *  Not sure what the end result of all this is. We will clear the pending
174  *  bit in the NVIC just to be sure when we disable the PHY.
273  * Called when we want to wait if the radio is in either the rx or tx
274  * disable states. We want to wait until that state is over before doing
284      * we use RX symbols only.  in nrf_wait_disabled()
323      * With the 32.768 kHz crystal, we may need to adjust the RTC compare  in ble_phy_set_start_time()
327      * TIMER0 counts at 1MHz). A remainder of 19 or more we will need to add  in ble_phy_set_start_time()
328      * 1 tick. We dont need to add 1 tick per se, but it does give us slightly  in ble_phy_set_start_time()
329      * more time and thus less of a chance to miss a tick. Another note: we  in ble_phy_set_start_time()
331      * This is why we subtract 18 (as opposed to 19) as rem_uses will be >= 1.  in ble_phy_set_start_time()
342      * Can we set the RTC compare to start TIMER0? We can do it if:  in ble_phy_set_start_time()
345      *      b) The value we want to set is not at least N+2 from current  in ble_phy_set_start_time()
348      * NOTE: since the counter can tick 1 while we do these calculations we  in ble_phy_set_start_time()
377     /* Store the cputime at which we set the RTC */  in ble_phy_set_start_time()
384  * Function is used to set PPI so that we can time out waiting for a reception
385  * to occur. This happens for two reasons: we have sent a packet and we are
386  * waiting for a respons (txrx should be set to ENABLE_TXRX) or we are
387  * starting a connection event and we are a slave and we are waiting for the
391  * is no additional time to wait; we know when we should receive the address of
406          * from the transmit end. We add additional time to make sure the  in ble_phy_wfr_enable()
425     /* Enable the disabled interrupt so we time out on events compare */  in ble_phy_wfr_enable()
519     /* If this transmission was encrypted we need to remember it */  in ble_phy_tx_end_isr()
535      * XXX: not sure what to do. We had a HW error during transmission.  in ble_phy_tx_end_isr()
567          * XXX: not sure we need to stop the timer here all the time. Or that  in ble_phy_tx_end_isr()
616              * be a MIC failure but we should not hand it up. I guess  in ble_phy_rx_end_isr()
617              * this is just some form of rx error and that is how we  in ble_phy_rx_end_isr()
627              * know what else to do. If ENDCRYPT is not set and we are  in ble_phy_rx_end_isr()
628              * encrypted we need to not trust this frame and drop it.  in ble_phy_rx_end_isr()
642          * This should get fixed as we should not be handing up the header  in ble_phy_rx_end_isr()
710          * If state is disabled, we should have the BCMATCH. If not,  in ble_phy_rx_start_isr()
729         /* Must start aar if we need to  */  in ble_phy_rx_start_isr()
775      * we have both an ADDRESS and DISABLED interrupt in rx state. If we get  in ble_phy_isr()
776      * an address, we disable the DISABLED interrupt.  in ble_phy_isr()
779     /* We get this if we have started to receive a frame */  in ble_phy_isr()
795     /* Receive packet end (we dont enable this for transmit) */  in ble_phy_isr()
826      * XXX: I do not think we need to wait for settling time here since  in ble_phy_init()
827      * we will probably not use the radio for longer than the settling time  in ble_phy_init()
1023  * This function is called to set the start time when we are not going from
1045     /* Clear timer0 compare to RXEN since we are transmitting */  in ble_phy_tx_set_start_time()
1066  * This function acts a bit differently than transmit. If we are late getting
1067  * here we will still attempt to receive.
1084     /* Clear timer0 compare to TXEN since we are transmitting */  in ble_phy_rx_set_start_time()
1124      * XXX: Although we may not have to do this here, I clear all the PPI  in ble_phy_tx()
1202     /* If we already started transmitting, abort it! */  in ble_phy_tx()
1226  * the chip limits, we "rail" the power level so we dont exceed the min/max