michaelh/zephyr
1
0
Fork 0
Code Releases Activity

bluetooth: controller: nrf5: Reorder used PPI channels

Browse source 
The channels assigned to the controller are reordered so that the ones
previously used and now available for other purposes have continuous
numbers. When the controller can take advantage of the pre-programmed
PPI channels (when TIMER0 is used as the event timer), the now free
channels are 0-4, when it cannot, it is the channel 0.

Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
This commit is contained in:
Andrzej Głąbek 2018-10-11 17:08:49 +02:00 • committed by Anas Nashif
commit 4750cf3b7b
2 changed files with 35 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/pwm/pwm_nrf5_sw.c
View file

@ -235,10 +235,10 @@ static int pwm_nrf5_sw_init(struct device *dev)
}
#define PWM_0_MAP_SIZE 3
/* NOTE: nRF51x BLE controller use HW tIFS hence using only PPI channels 0-6.
/* NOTE: nRF51x BLE controller use HW tIFS hence using only PPI channels 1-6.
* nRF52x BLE controller implements SW tIFS and uses addition 6 PPI channels.
* Also, nRF52x requires one additional PPI channel for decryption rate boost.
* Hence, nRF52x BLE controller uses PPI channels 0-13.
* Hence, nRF52x BLE controller uses PPI channels 1-13.
*
* NOTE: If PA/LNA feature is enabled for nRF52x, then additional two PPI
* channels 14-15 are used by BLE controller.