demo-featherwings-zephyr/prj.conf at master · arribada/demo-featherwings-zephyr · GitHub

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# ===== Core =====
CONFIG_LOG=y
CONFIG_MAIN_STACK_SIZE=4096
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
CONFIG_HEAP_MEM_POOL_SIZE=24576

# ===== UART for SMD Module =====
CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y

# ===== Argos SMD Driver =====
CONFIG_ARGOS_SMD=y
CONFIG_ARGOS_SMD_LOG_LEVEL_INF=y

# ===== USB CDC ACM =====
CONFIG_USB_DEVICE_STACK=y
CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=y
CONFIG_USB_DEVICE_PRODUCT="Demo Zephyr"
CONFIG_USB_DEVICE_VID=0x239A
CONFIG_USB_DEVICE_PID=0x8029
CONFIG_USB_CDC_ACM=y
CONFIG_UART_LINE_CTRL=y

# ===== Bluetooth =====
CONFIG_BT=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="DemoZephyr"
CONFIG_BT_MAX_CONN=1
CONFIG_BT_BUF_ACL_RX_SIZE=256
CONFIG_BT_L2CAP_TX_MTU=247
CONFIG_BT_BUF_ACL_TX_SIZE=251
CONFIG_BT_GATT_DYNAMIC_DB=y

# BLE Performance Optimizations
# Enable Data Length Extension (DLE) - allows up to 251 byte packets
CONFIG_BT_USER_DATA_LEN_UPDATE=y
CONFIG_BT_AUTO_DATA_LEN_UPDATE=y
# Enable 2M PHY for 2x throughput (1 Mbps -> 2 Mbps)
CONFIG_BT_USER_PHY_UPDATE=y
CONFIG_BT_AUTO_PHY_UPDATE=y
CONFIG_BT_CTLR_PHY_2M=y
# Max data length for DLE (251 bytes)
CONFIG_BT_CTLR_DATA_LENGTH_MAX=251

# ===== I2C Sensors =====
# Note: Sensor drivers are auto-enabled when defined in device tree
# Uncomment sensors in boards/*.overlay to enable specific drivers
CONFIG_I2C=y
CONFIG_SENSOR=y
CONFIG_SENSOR_LOG_LEVEL_DBG=y
CONFIG_I2C_LOG_LEVEL_DBG=y
CONFIG_MPU6050=y
CONFIG_BMP388=y
CONFIG_SHTCX=y

# ===== GPIO =====
CONFIG_GPIO=y

# ===== LED Strip (NeoPixel) =====
# Using GPIO bit-banging driver
CONFIG_LED_STRIP=y

# ===== C++ =====
CONFIG_CPP=y
CONFIG_STD_CPP17=y
CONFIG_REQUIRES_FULL_LIBCPP=y

# ===== Random (for jitter) =====
CONFIG_ENTROPY_GENERATOR=y
CONFIG_TEST_RANDOM_GENERATOR=n

# ===== Power Management =====
# Note: nRF52840 uses its own PM subsystem, generic PM not needed
CONFIG_PM_DEVICE=y

# ===== Logging =====
# RTT backend enabled by default (via J-Link)
CONFIG_USE_SEGGER_RTT=y
CONFIG_LOG_BACKEND_RTT=y
# USB/UART backend disabled (conflicts with USB CDC console)
CONFIG_LOG_BACKEND_UART=n
CONFIG_DEMO_ZEPHYR_LOG_LEVEL_INF=y

# ===== Fault Debugging =====
# Full register dump + extra exception info on crash (output via RTT)
CONFIG_EXTRA_EXCEPTION_INFO=y

# ===== Flash & NVS (Non-Volatile Storage) =====
CONFIG_FLASH=y
CONFIG_FLASH_MAP=y
CONFIG_NVS=y
CONFIG_NVS_LOG_LEVEL_INF=y
CONFIG_MPU_ALLOW_FLASH_WRITE=y