# Increase stack size for Wi-Fi (fixes crash after scan)
CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=3072
# Ensure large enough stack for network operations (e.g. AppHub)
CONFIG_ESP_MAIN_TASK_STACK_SIZE=6144
# Fixes static assertion: FLASH and PSRAM Mode configuration are not supported
CONFIG_IDF_EXPERIMENTAL_FEATURES=y
# Free up IRAM
CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
# Wi-Fi hot-path code normally duplicated into IRAM for throughput/latency
# Tactility's Wi-Fi usage (HTTP/NTP/ESP-NOW, not sustained high-throughput streaming) doesn't need it.
# Frees >27KB IRAM across Wi-Fi-enabled boards.
CONFIG_ESP_WIFI_IRAM_OPT=n
CONFIG_ESP_WIFI_RX_IRAM_OPT=n
CONFIG_ESP_WIFI_EXTRA_IRAM_OPT=n
CONFIG_ESP_WIFI_SLP_IRAM_OPT=n
CONFIG_WIFI_RMT_IRAM_OPT=n
CONFIG_WIFI_RMT_EXTRA_IRAM_OPT=n
CONFIG_WIFI_RMT_RX_IRAM_OPT=n
CONFIG_WIFI_RMT_SLP_IRAM_OPT=n
CONFIG_LIBC_OPTIMIZED_MISALIGNED_ACCESS=n
CONFIG_LOG_IN_IRAM=n
# EmbedTLS
# Use TLS 1.2 because 1.3 conflicts with MbedTLS dynamic buffer
CONFIG_MBEDTLS_SSL_PROTO_TLS1_2=y
# Frees TLS IN/OUT buffers between reads/writes instead of holding them for the whole session.
# Internal-RAM-only devices need this: mbedtls_ssl_setup() otherwise fails with ALLOC_FAILED
# (-0x7F00).
# Keep MBEDTLS_SSL_IN_CONTENT_LEN at its 16384 default: servers may send TLS records up to that
# size, and a smaller buffer fails mid-transfer with MBEDTLS_ERR_SSL_INVALID_RECORD (-0x7200).
CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
# LVGL
CONFIG_LV_USE_USER_DATA=y
CONFIG_LV_USE_FS_STDIO=y
CONFIG_LV_FS_STDIO_LETTER=65
CONFIG_LV_FS_STDIO_PATH=""
CONFIG_LV_FS_STDIO_CACHE_SIZE=4096
CONFIG_LV_USE_LODEPNG=n
CONFIG_LV_USE_BUILTIN_MALLOC=n
# Routes lv_malloc/realloc/free through Modules/lvgl-module/source/lv_mem_custom.c, which prefers
# PSRAM (falls back to internal RAM automatically) instead of a fixed-size pool or plain malloc.
CONFIG_LV_USE_CUSTOM_MALLOC=y
CONFIG_LV_USE_MSGBOX=n
CONFIG_LV_USE_SPINNER=n
CONFIG_LV_USE_WIN=n
CONFIG_LV_USE_SNAPSHOT=y
CONFIG_LV_BUILD_EXAMPLES=n
CONFIG_LV_BUILD_DEMOS=n
# Slot 0 is reserved by ESP-IDF's pthread API (see esp_wifi/lwip pthread_getspecific usage).
# Tactility's Thread wrappers use slot 1 for their own self-pointer.
CONFIG_FREERTOS_THREAD_LOCAL_STORAGE_POINTERS=2
CONFIG_FREERTOS_HZ=1000
CONFIG_FREERTOS_TASK_NOTIFICATION_ARRAY_ENTRIES=2
CONFIG_FREERTOS_SMP=n
CONFIG_FREERTOS_UNICORE=n
CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=5120
CONFIG_FREERTOS_USE_TRACE_FACILITY=y
CONFIG_FATFS_LFN_HEAP=y
CONFIG_FATFS_VOLUME_COUNT=3
CONFIG_FATFS_SECTOR_512=y
CONFIG_WL_SECTOR_SIZE_512=y
CONFIG_WL_SECTOR_SIZE=512
CONFIG_WL_SECTOR_MODE_SAFE=y
CONFIG_WL_SECTOR_MODE=1
# Allow new i2c_master API (used by Tab5Keyboard for LP_I2C_NUM_0) to coexist with legacy i2c driver
CONFIG_I2C_SKIP_LEGACY_CONFLICT_CHECK=y
# Allow new adc_oneshot API (esp32_adc_oneshot kernel driver, linked into every device via
# platform-esp32) to coexist with boards still reading battery voltage via the legacy ADC driver
# (e.g. m5stack-cardputer, m5stack-cardputer-adv, lilygo-thmi). Only one API is ever actually used
# per board at runtime, so this just bypasses ESP-IDF's link-time-only conflict abort.
CONFIG_ADC_SKIP_LEGACY_CONFLICT_CHECK=y
# Wi-Fi memory optimizations
CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=3
CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=5
CONFIG_ESP_WIFI_STATIC_TX_BUFFER=y
CONFIG_ESP_WIFI_TX_BUFFER_TYPE=0
CONFIG_ESP_WIFI_STATIC_TX_BUFFER_NUM=5
CONFIG_ESP_WIFI_CACHE_TX_BUFFER_NUM=5
CONFIG_ESP_WIFI_STATIC_RX_MGMT_BUFFER=y
CONFIG_ESP_WIFI_DYNAMIC_RX_MGMT_BUF=0
CONFIG_ESP_WIFI_RX_MGMT_BUF_NUM_DEF=5
CONFIG_ESP_WIFI_AMPDU_TX_ENABLED=y
CONFIG_ESP_WIFI_TX_BA_WIN=5
CONFIG_ESP_WIFI_AMPDU_RX_ENABLED=y
CONFIG_ESP_WIFI_RX_BA_WIN=5
# Audio codec: audio-stream only decodes (never encodes), and AudiobookPlayer (the only current
# consumer) is MP3-only. Disabling the rest saves several hundred KB of flash across every device;
# re-enable a specific decoder here if a future app needs it.
CONFIG_AUDIO_DECODER_AAC_SUPPORT=n
CONFIG_AUDIO_DECODER_G711_SUPPORT=n
CONFIG_AUDIO_DECODER_AMRNB_SUPPORT=n
CONFIG_AUDIO_DECODER_AMRWB_SUPPORT=n
CONFIG_AUDIO_DECODER_FLAC_SUPPORT=n
CONFIG_AUDIO_DECODER_OPUS_SUPPORT=n
CONFIG_AUDIO_DECODER_VORBIS_SUPPORT=n
CONFIG_AUDIO_DECODER_ADPCM_SUPPORT=n
CONFIG_AUDIO_DECODER_ALAC_SUPPORT=n
CONFIG_AUDIO_DECODER_SBC_SUPPORT=n
CONFIG_AUDIO_DECODER_LC3_SUPPORT=n
CONFIG_AUDIO_ENCODER_AAC_SUPPORT=n
CONFIG_AUDIO_ENCODER_G711_SUPPORT=n
CONFIG_AUDIO_ENCODER_AMRNB_SUPPORT=n
CONFIG_AUDIO_ENCODER_AMRWB_SUPPORT=n
CONFIG_AUDIO_ENCODER_OPUS_SUPPORT=n
CONFIG_AUDIO_ENCODER_ADPCM_SUPPORT=n
CONFIG_AUDIO_ENCODER_ALAC_SUPPORT=n
CONFIG_AUDIO_ENCODER_SBC_SUPPORT=n
CONFIG_AUDIO_ENCODER_LC3_SUPPORT=n
CONFIG_AUDIO_ENCODER_PCM_SUPPORT=n