Kconfig Options Reference

Auto-generated from config/Config.in.* files.

Option	Type	Default	Description
CONFIG_OVE_LOG_LEVEL_ERR	bool	``
CONFIG_OVE_LOG_LEVEL_WRN	bool	``
CONFIG_OVE_LOG_LEVEL_INF	bool	``
CONFIG_OVE_LOG_LEVEL_DBG	bool	``
CONFIG_OVE_LOG_LEVEL	int	3 if OVE_LOG_LEVEL_DBG
CONFIG_OVE_DEBUG_BUILD	bool	n
CONFIG_OVE_STACK_CANARIES	bool	n
CONFIG_OVE_THREAD_STATE_STATS	bool	y if OVE_SIM	Track cumulative time each thread spends in each state (running, ready, blocked, suspended). Adds a timestamp on every s
CONFIG_OVE_TRACE_STREAM	bool	y if OVE_SIM	Emit every thread state transition as a timestamped record into a lock-free SPSC ring buffer, drained by the sim transpo
CONFIG_OVE_TRACE_MARKERS	bool	y	In addition to state transitions, emit point markers when threads enter/leave sync primitives (mutex, semaphore, event,
CONFIG_OVE_TRACE_RING_SIZE	int	4096	Capacity of the trace ring buffer, in records (16 bytes each). On overflow the producer drops records and increments a c
CONFIG_OVE_PROFILER	bool	y if OVE_SIM && (OVE_RTOS_POSIX || OVE_RTOS_FREERTOS || OVE_RTOS_NUTTX || OVE_RTOS_ZEPHYR)	Periodically samples each runnable thread's PC + call stack and forwards the samples to the dashboard for flat top-N and
CONFIG_OVE_PROFILER_HZ	int	250	Per-thread sample rate. Higher values give finer resolution at the cost of overhead (one signal + backtrace per running
CONFIG_OVE_PROFILER_MAX_DEPTH	int	16	Upper bound on frames captured per sample. Deeper stacks are truncated. Each sample allocates a fixed slot of header + d
CONFIG_OVE_PROFILER_RING_SIZE	int	1024	Capacity of the profiler sample ring. Each slot is 16 B header + MAX_DEPTH * sizeof(void *). On overflow samples are dro
CONFIG_OVE_BOARD_STM32F746G_DISCO	bool	``	STMicroelectronics STM32F746G Discovery board. ARM Cortex-M7 @ 216 MHz, 1 MB Flash, 320 KB SRAM.
CONFIG_OVE_BOARD_QEMU_MPS2_AN500	bool	``	ARM MPS2-AN500 board emulated by QEMU. Cortex-M7 @ 25 MHz, 4 MB Flash, 4 MB RAM. Uses semihosting for I/O and sim dashbo
CONFIG_OVE_BOARD_HOST_PC	bool	``	Native host development. Uses browser dashboard for display and audio.
CONFIG_OVE_BOARD_WASM	bool	``	Run in a web browser via WebAssembly + Emscripten. Compiles firmware + LVGL to WASM, renders in an HTML canvas, hostable
CONFIG_OVE_BOARD_NAME	string	"wasm" if OVE_BOARD_WASM
CONFIG_OVE_FLASH_SIZE	int	0 if OVE_BOARD_HOST_PC || OVE_BOARD_WASM
CONFIG_OVE_RAM_SIZE	int	0 if OVE_BOARD_HOST_PC || OVE_BOARD_WASM
CONFIG_OVE_MCU	string	"wasm32" if OVE_BOARD_WASM
CONFIG_OVE_THREAD	bool	y	Thread management. Always enabled — required by ove_app_run().
CONFIG_OVE_APP	bool	y	Application lifecycle. Always enabled.
CONFIG_OVE_SYNC	bool	n
CONFIG_OVE_AUDIO	bool	n
CONFIG_OVE_AUDIO_NODE_CONVERTER	bool	n
CONFIG_OVE_AUDIO_NODE_GAIN	bool	n	Per-channel linear gain stage in the audio graph. Configured via ove_audio_node_gain_set(); applied in-place during proc
CONFIG_OVE_AUDIO_NODE_TAP	bool	n	Read-only observer node that copies frames flowing through a point in the graph into a ring buffer readable from another
CONFIG_OVE_AUDIO_NODE_CHANNEL_MAP	bool	n
CONFIG_OVE_FS	bool	n
CONFIG_OVE_CONSOLE	bool	n
CONFIG_OVE_LOG	bool	n
CONFIG_OVE_TIME	bool	n
CONFIG_OVE_BOARD	bool	n
CONFIG_OVE_GPIO	bool	n
CONFIG_OVE_LED	bool	n
CONFIG_OVE_BSP	bool	n
CONFIG_OVE_LVGL	bool	n
CONFIG_OVE_QUEUE	bool	n
CONFIG_OVE_TIMER	bool	n
CONFIG_OVE_EVENTGROUP	bool	n
CONFIG_OVE_SHELL	bool	n
CONFIG_OVE_NVS	bool	n
CONFIG_OVE_WATCHDOG	bool	n
CONFIG_OVE_WORKQUEUE	bool	n
CONFIG_OVE_STREAM	bool	n
CONFIG_OVE_ASYNC	bool	n	Provides the C primitives the Rust binding needs to host Embassy: ove_irq_lock/unlock, ove_is_in_isr, and the nanosecond
CONFIG_OVE_UART	bool	n	General-purpose UART driver with configurable baud rate, framing, async RX buffering, and thread-safe TX.
CONFIG_OVE_SPI	bool	n	SPI master driver with configurable clock, mode, and software CS management via GPIO. Thread-safe bus locking.
CONFIG_OVE_I2C	bool	n	I2C master driver with standard/fast/fast-plus speed, register-level convenience APIs, and thread-safe bus locking.
CONFIG_OVE_I2S	bool	n	I2S audio bus driver with DMA double-buffered streaming, half-buffer completion callbacks, and configurable sample rate,
CONFIG_OVE_INFER	bool	n	Portable C API for running .tflite models via LiteRT (formerly TensorFlow Lite Micro). Requires C++ support in the toolc
CONFIG_OVE_INFER_CMSIS_NN	bool	n	Use ARM CMSIS-NN optimized kernels for int8 quantized operators. Provides 2-10x speedup on Cortex-M4/M7. Automatically d
CONFIG_OVE_INFER_ARENA_SIZE	int	65536	Default arena allocation for models that don't specify a custom size. Can be overridden per-model via ove_model_config.a
CONFIG_OVE_NET	bool	n	BSD-like socket API with DNS resolution. Each backend uses its native TCP/IP stack (POSIX sockets, lwIP, Zephyr net, Nut
CONFIG_OVE_ASYNC_NET	bool	n	Provides board-specific transport hooks the Rust embassy-net driver consumes (ove_qemu_net_async_, future ove_eth_). M
CONFIG_OVE_NET_TLS	bool	n	Portable TLS layer using mbedTLS. Provides encrypted sockets for HTTPS and secure MQTT.
CONFIG_OVE_NET_HTTP	bool	n	Portable HTTP/1.1 client for REST APIs. Supports both plain HTTP and HTTPS (when OVE_NET_TLS is enabled).
CONFIG_OVE_NET_MQTT	bool	n	Lightweight MQTT 3.1.1 client for IoT pub/sub messaging. Supports QoS 0/1, keep-alive, and optional TLS.
CONFIG_OVE_NET_MQTT_RX_BUF	int	1024
CONFIG_OVE_NET_MQTT_TX_BUF	int	512
CONFIG_OVE_NET_MQTT_MAX_SUBS	int	8	Maximum number of topic filters tracked for wildcard matching.
CONFIG_OVE_NET_SNTP	bool	n	Simple NTP client that queries a time server over UDP and stores a UTC offset for wall-clock time correction.
CONFIG_OVE_NET_TLS_HEAP_SIZE	int	32768	Size of the BSS-resident buffer mbedTLS allocates from in zero-heap mode (mbedtls_memory_buffer_alloc_init). 32 KB is s
CONFIG_OVE_NET_LWIP_MEM_SIZE	int	16384	MEM_SIZE. BSS-resident heap lwIP uses for pbufs, segment lists, and other dynamic buffers. MEM_LIBC_MALLOC is pinned t
CONFIG_OVE_NET_LWIP_PBUF_POOL_SIZE	int	16	PBUF_POOL_SIZE. Number of fixed-size pbufs in the receive pool. Drives RX bandwidth ceiling.
CONFIG_OVE_NET_LWIP_PBUF_BUFSIZE	int	1536	PBUF_POOL_BUFSIZE. Bytes per pbuf — sized to fit one MTU.
CONFIG_OVE_NET_LWIP_NUM_TCP_PCB	int	16	MEMP_NUM_TCP_PCB. Maximum simultaneous active TCP connections. Caller hits OVE_ERR_NO_MEMORY when exhausted.
CONFIG_OVE_NET_LWIP_NUM_TCP_PCB_LISTEN	int	4	MEMP_NUM_TCP_PCB_LISTEN. Maximum listening sockets (e.g. one per HTTPD/MQTT broker port).
CONFIG_OVE_NET_LWIP_NUM_UDP_PCB	int	8	MEMP_NUM_UDP_PCB. Maximum simultaneous UDP sockets.
CONFIG_OVE_NET_LWIP_NUM_NETCONN	int	16	MEMP_NUM_NETCONN. Upper bound on concurrent socket-API handles (one netconn per BSD socket).
CONFIG_OVE_NET_LWIP_DNS_TABLE_SIZE	int	4	DNS_TABLE_SIZE. Number of resolved hostnames cached.
CONFIG_OVE_ZEPHYR_NET_MAX_CONN	int	16	CONFIG_NET_MAX_CONN. Concurrent TCP/UDP connections.
CONFIG_OVE_ZEPHYR_NET_MAX_CONTEXTS	int	16	CONFIG_NET_MAX_CONTEXTS. Maximum BSD-socket-like contexts.
CONFIG_OVE_ZEPHYR_NET_PKT_RX_COUNT	int	14	CONFIG_NET_PKT_RX_COUNT. Receive packet descriptor pool.
CONFIG_OVE_ZEPHYR_NET_PKT_TX_COUNT	int	14	CONFIG_NET_PKT_TX_COUNT. Transmit packet descriptor pool.
CONFIG_OVE_ZEPHYR_NET_BUF_RX_COUNT	int	36	CONFIG_NET_BUF_RX_COUNT. Receive payload buffer pool.
CONFIG_OVE_ZEPHYR_NET_BUF_TX_COUNT	int	36	CONFIG_NET_BUF_TX_COUNT. Transmit payload buffer pool.
CONFIG_OVE_NET_HTTP_MAX_RESPONSE	int	8192	Maximum HTTP response size in zero-heap mode where the buffer cannot grow dynamically.
CONFIG_OVE_NET_HTTPD_MAX_BODY	int	1024
CONFIG_OVE_NET_HTTPD	bool	n	Lightweight single-threaded HTTP server with REST API routing and a built-in web dashboard for device management (LEDs,
CONFIG_OVE_NET_HTTPD_WS	bool	n	Adds RFC 6455 WebSocket upgrade and frame parsing to the embedded HTTP server. Enables real-time bidirectional push fro
CONFIG_OVE_NET_HTTPD_WS_MAX_CONNS	int	4
CONFIG_OVE_NET_HTTPD_WS_MAX_FRAME	int	1024
CONFIG_OVE_PM	bool	n	Unified power management with sleep state machine, peripheral power domains, tickless idle integration, wake source mana
CONFIG_OVE_PM_MAX_WAKE_SOURCES	int	8	Maximum number of concurrently registered wake sources. Each entry consumes ~32 bytes of static RAM.
CONFIG_OVE_PM_MAX_NOTIFIERS	int	4	Maximum number of pre/post sleep notification callbacks.
CONFIG_OVE_PM_IDLE_THRESHOLD_MS	int	10	Minimum idle duration before transitioning from ACTIVE to IDLE.
CONFIG_OVE_PM_STANDBY_THRESHOLD_MS	int	1000	Minimum idle duration before transitioning from IDLE to STANDBY.
CONFIG_OVE_PM_DEEP_SLEEP_THRESHOLD_MS	int	10000	Minimum idle duration before transitioning to DEEP_SLEEP.
CONFIG_OVE_PM_STATS	bool	y	Track cumulative time in each power state and transition counts. Adds ~64 bytes of RAM overhead.
CONFIG_OVE_PM_BUDGET	bool	n	Enable power budget target tracking. The policy engine can use the budget to adjust sleep depth automatically.
CONFIG_OVE_SIM	bool	y if OVE_RTOS_POSIX	Enable the simulation plugin framework. Replaces bare-stub HAL implementations with plugin-aware versions that support v
CONFIG_OVE_SIM_TRANSPORT_DIRECT	bool	y if OVE_RTOS_POSIX && OVE_SIM
CONFIG_OVE_SIM_TRANSPORT_SHM	bool	y if !OVE_RTOS_POSIX && OVE_SIM
CONFIG_OVE_SIM_TRANSPORT_WASM	bool	y if OVE_BOARD_WASM && OVE_SIM
CONFIG_OVE_SIM_DASHBOARD	bool	y if OVE_SIM	Enable the browser-based simulation dashboard served over a local WebSocket server. Displays framebuffer, audio, LED sta
CONFIG_OVE_SIM_DASHBOARD_PORT	int	8080
CONFIG_OVE_ZERO_HEAP	bool	n	All oveRTOS create/destroy paths use static storage; the _init()/_deinit() APIs with caller-supplied storage remain avai
CONFIG_OVE_NUTTX_MAX_TASKS	int	16	Pinned at compile time as CONFIG_MAX_TASKS — the kernel allocates the task table from the static .bss region rather than
CONFIG_OVE_NUTTX_FD_BLOCK	int	8
CONFIG_OVE_NUTTX_PREALLOC_TIMERS	int	8
CONFIG_OVE_NUTTX_PREALLOC_MQ_MSGS	int	16
CONFIG_OVE_NUTTX_TCP_CONNS	int	8
CONFIG_OVE_NUTTX_UDP_CONNS	int	8
CONFIG_OVE_NUTTX_IOB_NBUFFERS	int	24
CONFIG_OVE_NUTTX_IOB_BUFSIZE	int	196
CONFIG_OVE_NUTTX_HEAP_LOCK	bool	y	Enables --wrap=malloc,kmm_malloc,... at link time so that ove_heap_lock() (called from ove_run()) traps any kernel-mm al
CONFIG_OVE_RTOS_FREERTOS	bool	``	Use FreeRTOS via STM32CubeF7 SDK.
CONFIG_OVE_RTOS_ZEPHYR	bool	``	Use the Zephyr Project RTOS.
CONFIG_OVE_RTOS_NUTTX	bool	``	Use the Apache NuttX RTOS.
CONFIG_OVE_RTOS_POSIX	bool	``	Run natively on Linux/macOS using POSIX threads for display, input, and audio. No cross-compilation needed.
CONFIG_OVE_TOOLCHAIN_SYSTEM	bool	``	Use a toolchain already installed on the system.
CONFIG_OVE_TOOLCHAIN_DOWNLOAD	bool	``	Download the official ARM GNU toolchain from developer.arm.com.
CONFIG_OVE_TOOLCHAIN_CUSTOM	bool	``	Specify a path to a locally installed toolchain.
CONFIG_OVE_CROSS_COMPILE	string	"arm-none-eabi-"	Prefix for the cross-compilation toolchain.
CONFIG_OVE_TOOLCHAIN_CUSTOM_PATH	string	``	Absolute path to the toolchain installation directory. The bin/ subdirectory should contain arm-none-eabi-gcc.
CONFIG_OVE_OPENOCD_CFG	string	"board/stm32f7discovery.cfg"	OpenOCD board configuration file for flashing.
CONFIG_OVE_RUST_TOOLCHAIN_SYSTEM	bool	``	Use Rust installed via system rustup. Requires: rustup, thumbv7em-none-eabihf target.
CONFIG_OVE_RUST_TOOLCHAIN_CUSTOM	bool	``	Specify a custom path to cargo/rustc.
CONFIG_OVE_RUST_TOOLCHAIN_CUSTOM_PATH	string	``	Absolute path containing cargo and rustc binaries.
CONFIG_OVE_RUST_TARGET	string	"thumbv7em-none-eabihf"