auracaster/hci_uart_beacon
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fix-latencybuildup (#1)

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Co-authored-by: Pbopbo <p.obernesser@freenet.de>
Reviewed-on: #1
This commit was merged in pull request #1.
This commit is contained in:
pober
2026-04-09 11:51:34 +00:00
parent 334e3958b5
commit 2bad8ad2cd
6 changed files with 17 additions and 15 deletions
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2
CMakePresets.json
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@@ -13,7 +13,7 @@
"cacheVariables": {
"NCS_TOOLCHAIN_VERSION": "NONE",
"BOARD": "nrf54l15dk/nrf54l15/cpuapp",
"EXTRA_CONF_FILE": "iso.conf;internal_osc.conf;lfxo.conf",
"EXTRA_CONF_FILE": "iso.conf;clk.conf",
"CONF_FILE": "prj.conf",
"DTC_OVERLAY_FILE": "bl54l15_radio0_radio1.overlay"
}

9
clk.conf Normal file
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@@ -0,0 +1,9 @@
# 1. Disable the Crystal and RC Oscillators
CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL=n
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
# 2. Enable the Synthesized Clock (LFSYNT)
CONFIG_CLOCK_CONTROL_NRF_K32SRC_SYNTH=n
# 3. Claim High Accuracy (Because it is backed by the HFXO)
CONFIG_CLOCK_CONTROL_NRF_K32SRC_250PPM=y

4
internal_osc.conf
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@@ -1,4 +0,0 @@
# use internal 32kHz oscillator
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
# select desired accuracy (more calibrations would be nececcary if smaller) - I think the 32KHz oscillator is only needed for receive
CONFIG_CLOCK_CONTROL_NRF_K32SRC_250PPM=y

9
iso.conf
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@@ -7,11 +7,11 @@ CONFIG_BT_CTLR_ADV_ISO_STREAM_MAX=5
CONFIG_BT_CTLR_SYNC_PERIODIC_ADV_LIST_SIZE=5
CONFIG_BT_BUF_EVT_RX_COUNT=16
CONFIG_BT_CTLR_ADV_ISO_PDU_LEN_MAX=247
CONFIG_BT_CTLR_ADV_ISO_PDU_LEN_MAX=140
# ISO Transmissions
CONFIG_BT_CTLR_ISOAL_SOURCES=5
CONFIG_BT_CTLR_ISO_TX_BUFFERS=8
CONFIG_BT_CTLR_ISO_TX_BUFFERS=2 # One of those needs to 2 to support stereo
CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE=255
CONFIG_BT_BUF_EVT_RX_SIZE=255
@@ -23,8 +23,9 @@ CONFIG_BT_CTLR_ASSERT_HANDLER=y
CONFIG_BT_CTLR_DTM_HCI=n
# Setup ISO Buffer
CONFIG_BT_ISO_TX_BUF_COUNT=10
CONFIG_BT_ISO_TX_MTU=251
CONFIG_BT_ISO_TX_BUF_COUNT=2 # One of those needs to 2 to support stereo
CONFIG_BT_CTLR_SDC_ISO_TX_PDU_BUFFER_PER_STREAM_COUNT=1
CONFIG_BT_ISO_TX_MTU=140
CONFIG_BT_ISO_RX_BUF_COUNT=10
CONFIG_BT_ISO_RX_MTU=251

4
lfxo.conf
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@@ -1,4 +0,0 @@
CONFIG_CLOCK_CONTROL=y
CONFIG_CLOCK_CONTROL_NRF=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=n

4
prj.conf
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@@ -7,8 +7,8 @@ CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_CLOCK_CONTROL=y
CONFIG_CLOCK_CONTROL_NRF=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_XTAL=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=n
CONFIG_BT=y
CONFIG_BT_CTLR=y
CONFIG_BT_LL_SOFTDEVICE=y