Hey,
My code worked fine in 52832. but after moving to 52811, it keeps disconnect itself with the reason 0x08. How can I fix it?
I am using NCS 2.4.2.
I changed conf for 52811 in order to get smaller size, as listed below:
CONFIG_UART_CONSOLE=n
CONFIG_USE_SEGGER_RTT=y
CONFIG_RTT_CONSOLE=y
CONFIG_BT=y
CONFIG_BT_DEBUG_LOG=n
CONFIG_BT_SMP=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DIS_PNP=n
CONFIG_BT_BAS=y
CONFIG_BT_ATT_ENFORCE_FLOW=n
CONFIG_ADC=y
# Drivers and peripherals
CONFIG_I2C=y
CONFIG_WATCHDOG=n
CONFIG_PINCTRL=y
CONFIG_SPI=n
CONFIG_GPIO=y
CONFIG_SERIAL=n
# Power management
CONFIG_PM=n
# Interrupts
CONFIG_DYNAMIC_INTERRUPTS=n
CONFIG_IRQ_OFFLOAD=n
# Memory protection
CONFIG_THREAD_STACK_INFO=n
CONFIG_THREAD_CUSTOM_DATA=n
CONFIG_FPU=n
# Boot
CONFIG_BOOT_BANNER=n
CONFIG_BOOT_DELAY=0
# Console
# CONFIG_CONSOLE=n
# CONFIG_UART_CONSOLE=n
# CONFIG_STDOUT_CONSOLE=n
# CONFIG_PRINTK=n
# CONFIG_EARLY_CONSOLE=n
# Build
CONFIG_SIZE_OPTIMIZATIONS=y
# ARM
# CONFIG_ARM_MPU=n
# In order to correctly tune the stack sizes for the threads the following
# Configurations can enabled to print the current use:
# CONFIG_THREAD_NAME=y
# CONFIG_THREAD_ANALYZER=y
# CONFIG_THREAD_ANALYZER_AUTO=y
# CONFIG_THREAD_ANALYZER_RUN_UNLOCKED=y
# CONFIG_THREAD_ANALYZER_USE_PRINTK=y
# CONFIG_THREAD_ANALYZER_AUTO_INTERVAL=20
# CONFIG_CONSOLE=y
# CONFIG_UART_CONSOLE=y
# CONFIG_SERIAL=y
# CONFIG_PRINTK=y
# Example output of thread analyzer
# BT RX : STACK: unused 576 usage 448 / 1024 (43 %); CPU: 0 %
# BT RX pri : STACK: unused 260 usage 188 / 448 (41 %); CPU: 0 %
# BT ECC : STACK: unused 256 usage 888 / 1144 (77 %); CPU: 1 %
# BT TX : STACK: unused 296 usage 344 / 640 (53 %); CPU: 0 %
# thread_analyzer : STACK: unused 128 usage 384 / 512 (75 %); CPU: 1 %
# sysworkq : STACK: unused 856 usage 168 / 1024 (16 %); CPU: 0 %
# logging : STACK: unused 232 usage 536 / 768 (69 %); CPU: 0 %
# idle 00 : STACK: unused 208 usage 48 / 256 (18 %); CPU: 97 %
# main : STACK: unused 576 usage 448 / 1024 (43 %); CPU: 0 %
CONFIG_BT_RX_STACK_SIZE=1024
CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
CONFIG_BT_HCI_TX_STACK_SIZE=640
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=512
CONFIG_IDLE_STACK_SIZE=128
CONFIG_MAIN_STACK_SIZE=640
CONFIG_ISR_STACK_SIZE=1024
# Disable features not needed
CONFIG_TIMESLICING=n
CONFIG_MINIMAL_LIBC_MALLOC=n
# CONFIG_LOG=n
CONFIG_ASSERT=n
# Disable Bluetooth features not needed
# CONFIG_BT_DEBUG_NONE=y
CONFIG_BT_ASSERT=n
CONFIG_BT_DATA_LEN_UPDATE=n
CONFIG_BT_PHY_UPDATE=n
CONFIG_BT_GATT_CACHING=n
CONFIG_BT_GATT_SERVICE_CHANGED=n
CONFIG_BT_GAP_PERIPHERAL_PREF_PARAMS=n
CONFIG_BT_SETTINGS_CCC_LAZY_LOADING=y
CONFIG_BT_HCI_VS_EXT=n
# Disable Bluetooth controller features not needed
CONFIG_BT_CTLR_PRIVACY=n
CONFIG_BT_CTLR_PHY_2M=n
# Reduce Bluetooth buffers
CONFIG_BT_BUF_EVT_DISCARDABLE_COUNT=1
CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=45
CONFIG_BT_BUF_ACL_RX_COUNT=2
CONFIG_BT_BUF_EVT_RX_COUNT=2
CONFIG_BT_CONN_TX_MAX=2
CONFIG_BT_L2CAP_TX_BUF_COUNT=2
CONFIG_BT_CTLR_RX_BUFFERS=1
CONFIG_BT_BUF_ACL_TX_COUNT=3
CONFIG_BT_BUF_ACL_TX_SIZE=27
