# Required for Arduino framework
CONFIG_FREERTOS_HZ=1000

# Flash configuration for 8MB
CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y
CONFIG_PARTITION_TABLE_CUSTOM=y
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"

# Enable Bluetooth with NimBLE (uses ~100KB less RAM than Bluedroid)
CONFIG_BT_ENABLED=y
CONFIG_BT_NIMBLE_ENABLED=y
CONFIG_BT_BLUEDROID_ENABLED=n

# NimBLE role configuration - enable both central and peripheral for mesh
CONFIG_BT_NIMBLE_ROLE_CENTRAL=y
CONFIG_BT_NIMBLE_ROLE_PERIPHERAL=y
CONFIG_BT_NIMBLE_ROLE_BROADCASTER=y
CONFIG_BT_NIMBLE_ROLE_OBSERVER=y

# NimBLE connection settings
CONFIG_BT_NIMBLE_MAX_CONNECTIONS=3
CONFIG_BT_NIMBLE_MAX_BONDS=10

# NimBLE GATT settings
CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=517
CONFIG_BT_NIMBLE_GAP_DEVICE_NAME_MAX_LEN=31

# Increase task stack size for stability
CONFIG_BT_NIMBLE_TASK_STACK_SIZE=8192

# Coexistence with WiFi
CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=y

# Enable C++ exceptions (required for microReticulum)
CONFIG_COMPILER_CXX_EXCEPTIONS=y
CONFIG_COMPILER_CXX_EXCEPTIONS_EMG_POOL_SIZE=0

# Enable PSRAM (8MB external RAM) for zero heap fragmentation
CONFIG_ESP32S3_SPIRAM_SUPPORT=y
CONFIG_SPIRAM=y
CONFIG_SPIRAM_MODE_OCT=y
CONFIG_SPIRAM_SPEED_80M=y

# Configure malloc to use PSRAM
CONFIG_SPIRAM_USE_MALLOC=y
# Allocations smaller than this go to internal RAM (bytes)
# Lowered from 4096 to 64 to move Bytes allocations (16-200 bytes) to PSRAM
# This reduces internal heap fragmentation at cost of slightly slower access
CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=64
# Reserve this much internal RAM for DMA/ISR (bytes)
CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=32768

# ============================================================================
# Boot Time Optimizations
# These settings reduce boot time. See BOOT_OPTIMIZATIONS.md for details.
# ============================================================================

# Disable PSRAM memory test at boot (~2 seconds saved for 8MB PSRAM)
# The memory test verifies PSRAM integrity but is redundant for stable hardware.
# To re-enable for debugging: comment out this line or set to y
CONFIG_SPIRAM_MEMTEST=n

# Reduce bootloader log verbosity (saves serial output time)
# Bootloader messages are rarely needed in production
CONFIG_BOOTLOADER_LOG_LEVEL_WARN=y
CONFIG_BOOTLOADER_LOG_LEVEL=2

# Skip ROM bootloader output (saves serial time)
CONFIG_BOOT_ROM_LOG_ALWAYS_OFF=y

# ============================================================================
# FreeRTOS Timer Service Task
# Default 2048 is too small when NimBLE/WiFi timer callbacks run
# ============================================================================
CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=4096

# ============================================================================
# Task Watchdog Timer (TWDT)
# Detects task starvation and deadlock conditions
# 30s timeout accommodates SPIFFS flash I/O during identity persistence
# (writing 40-50 destinations to flash takes 5-15s with GC/erase)
# ============================================================================
CONFIG_ESP_TASK_WDT_EN=y
CONFIG_ESP_TASK_WDT_TIMEOUT_S=30
CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0=y
CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=y

# ============================================================================
# Core Dump — writes CPU state + backtrace to flash on crash
# Read with: espcoredump.py info_corefile -t raw -c 0x7F0000 -s 0x10000 <port>
# ============================================================================
CONFIG_ESP_COREDUMP_ENABLE_TO_FLASH=y
CONFIG_ESP_COREDUMP_DATA_FORMAT_ELF=y
CONFIG_ESP_COREDUMP_CHECKSUM_SHA256=y
CONFIG_ESP_COREDUMP_MAX_TASKS_NUM=64