From e3a96adb7b0d9c51b9749398241dc21c25f4af6c Mon Sep 17 00:00:00 2001 From: Martin Braun Date: Fri, 12 Nov 2021 18:29:54 +0100 Subject: docs: Several minor manual improvements - Remove documentation of skip_dram, skip_ddc, skip_duc, which are all obsolete since UHD 4 - Properly document serialize_init - Add a table of valid args for X310 as with other devices --- host/docs/usrp_n3xx.dox | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'host/docs/usrp_n3xx.dox') diff --git a/host/docs/usrp_n3xx.dox b/host/docs/usrp_n3xx.dox index 82bffc105..2d2b84858 100644 --- a/host/docs/usrp_n3xx.dox +++ b/host/docs/usrp_n3xx.dox @@ -438,10 +438,7 @@ For a list of which arguments can be passed into make(), see Section force_reinit | Force full reinitialization of all subsystems. Will increase init time. | N310 | force_reinit=1 master_clock_rate | Master Clock Rate in Hz | N310 | master_clock_rate=125e6 identify | Causes front-panel LEDs to blink. The duration is variable. | N310 | identify=5 (will blink for about 5 seconds) - serialize_init | Force serial initialization of daughterboards. | All N3xx | serialize_init=1 - skip_dram | Ignore DRAM FIFO block. Connect TX streamers straight into DUC or radio. | All N3xx | skip_dram=1 - skip_ddc | Ignore DDC block. Connect Rx streamers straight into radio. | All N3xx | skip_ddc=1 - skip_duc | Ignore DUC block. Connect Rx streamers or DRAM straight into radio. | All N3xx | skip_duc=1 + serialize_init | Force serial initialization of motherboards. | All N3xx | serialize_init=1 skip_init | Skip the initialization process for the device. | All N3xx | skip_init=1 time_source | Specify the time (PPS) source. | All N3xx | time_source=internal clock_source | Specify the reference clock source. | All N3xx | clock_source=internal @@ -473,6 +470,8 @@ clock_source=external If you prefer not to have the device initialize on boot, but rather have a fast boot time, add the line `skip_boot_init=1` to your `/etc/uhd/mpm.conf` file. +This will force a full initialization of the device the first time a UHD session +is started, rather than during device boot. For more details on the initialization sequence, see the corresponding section for the specific N3XX device: @@ -1062,6 +1061,11 @@ clock_source=external If you prefer not to have the device initialize on boot, but rather have a fast boot time, add the line `skip_boot_init=1` to your `/etc/uhd/mpm.conf` file. +If there are multiple N3x0 devices in a single UHD session, they will be +initialized in parallel. Note that this behaviour can be changed serial +initialization by adding `serialize_init=1` to the device args +(see \ref n3xx_usage_device_args). + \subsection n3xx_mg_calibrations RF Calibrations The onboard RFIC (AD9371) has built-in calibrations which can be enabled from -- cgit v1.2.3