spaxel/firmware/sdkconfig.defaults
jedarden d83759899f fix(firmware): redesign partition table for 4MB flash; fix flash size in esptool.js
The XMC embedded flash on ESP32-S3 (QFN56) has JEDEC ID 164020 which esptool.js
does not recognise — it returns flash size -1 causing 'File doesn't fit in
available flash' before any bytes are written.

firmware/sdkconfig.defaults:
  CONFIG_ESPTOOLPY_FLASHSIZE 16MB → 4MB
  4MB is the minimum supported flash. The spi_flash check only panics when
  physical < header, so 4MB header is safe on 16MB boards as well.

firmware/partitions.csv:
  Redesigned to fit within 4MB flash:
    factory  0x010000–0x200000  (~1.9MB, fits current 1.7MB binary + 330KB headroom)
    ota_0    0x200000–0x3F0000  (~1.9MB, A/B OTA + rollback preserved)
    otadata  0x3F0000–0x3F2000  (8KB)
  Total flash used: 0x3F2000 (98.6% of 4MB). Drops ota_1 (was at 8MB, unusable
  on 4MB devices anyway); rollback still works factory↔ota_0.

dashboard/js/onboard.js:
  flashSize: 'detect' → '4MB'  (detect returned -1 for this chip's JEDEC ID;
  hardcoding '4MB' correctly sets the binary header for all supported boards)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-17 10:40:58 -04:00

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1.6 KiB
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# SPAXEL Firmware Configuration Defaults
# Target: ESP32-S3
# Chip target
CONFIG_IDF_TARGET="esp32s3"
# Flash size — partitions.csv requires ~3.9MB (factory 1.9MB + ota_0 1.9MB + otadata)
# Using 4MB as minimum supported flash. Safe on 16MB boards: spi_flash only panics
# when physical < header, not when physical > header.
CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
CONFIG_ESPTOOLPY_FLASHSIZE="4MB"
# WiFi CSI Configuration
CONFIG_ESP_WIFI_RX_BCN_ADAPT=y
CONFIG_ESP_WIFI_RX_BCN_ADAPT_THRESHOLD=10
# Enable CSI
CONFIG_ESP_WIFI_CSI_ENABLED=y
# WiFi power save disabled for stable CSI
CONFIG_PM_ENABLE=n
# FreeRTOS configuration for dual-core
CONFIG_FREERTOS_UNICORE=n
# BLE configuration
CONFIG_BT_ENABLED=y
CONFIG_BT_BLUEDROID_ENABLED=y
CONFIG_BT_BLE_42_FEATURES_SUPPORTED=y
CONFIG_BT_BLE_RPA_SUPPORTED=y
CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
CONFIG_BTDM_CTRL_MODE_BTDM=n
# Increase main task stack for WiFi/BLE operations
CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
# WebSocket buffer sizes
CONFIG_ESP_HTTP_CLIENT_ENABLE_HTTPS=n
CONFIG_ESP_HTTP_CLIENT_ENABLE_BASIC_AUTH=n
# Log levels
CONFIG_LOG_DEFAULT_LEVEL_INFO=y
CONFIG_LOG_MAXIMUM_LEVEL_DEBUG=y
# Watchdog configuration
CONFIG_ESP_TASK_WDT_INIT=n
# mDNS
CONFIG_MDNS_MAX_SERVICES=10
# NVS
CONFIG_NVS_ENCRYPTION=n
# OTA — dual-partition rollback support
CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE=y
CONFIG_BOOTLOADER_APP_ROLLBACK_COUNT=1
CONFIG_APP_ROLLBACK_ENABLE=y
# Increase partition sizes for OTA
CONFIG_PARTITION_TABLE_CUSTOM=y
CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
# LED identification blink
CONFIG_SPAXEL_LED_GPIO=8