Justin Mitchell
7cad3cfb0e
- Keep-if-fits font buffer reuse (SdCardFont), the page-turn fragmentation fix - Background-build heap floors + buildTickHeapGate() (the ParsedText::addWord abort fix), with the BLE-shed branch removed - KOSync TLS gate split (free ≥ 50K, largest block ≥ 20K) - wolfSSL SP ECC flags + FP_MAX_BITS 8192 in the patch script - custom_sdkconfig: timer-stack trims (~7KB) and, per your answer, the WiFi IRAM opts (~25-30KB); plus the cloud-component removal the hybrid build requires. All verified present in the generated sdkconfig after the build. - Web server watchdog registration fix (this branch's handlers already call esp_task_wdt_reset without it)
175 lines
6.0 KiB
INI
175 lines
6.0 KiB
INI
[platformio]
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default_envs = default
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build_cache_dir = .cache
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extra_configs = platformio.local.ini
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[crosspoint]
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version = 1.4.1
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[base]
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platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.37/platform-espressif32.zip
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board = esp32-c3-devkitm-1
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framework = arduino
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monitor_speed = 115200
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upload_speed = 921600
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check_tool = cppcheck
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check_flags = --enable=all --suppress=missingIncludeSystem --suppress=unusedFunction --suppress=unmatchedSuppression --suppress=*:*/.pio/* --inline-suppr
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check_skip_packages = yes
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board_upload.flash_size = 16MB
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board_upload.maximum_size = 16777216
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board_upload.offset_address = 0x10000
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build_flags =
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-DARDUINO_USB_MODE=1
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-DARDUINO_USB_CDC_ON_BOOT=1
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-DEINK_DISPLAY_SINGLE_BUFFER_MODE=1
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-DDISABLE_FS_H_WARNING=1
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-DDESTRUCTOR_CLOSES_FILE=1
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# https://libexpat.github.io/doc/api/latest/#XML_GE
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-DXML_GE=0
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-DXML_CONTEXT_BYTES=1024
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-std=gnu++2a
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# Enable UTF-8 long file names in SdFat
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-DUSE_UTF8_LONG_NAMES=1
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# Increase PNG scanline buffer to support up to 2048px wide images
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# Default is (320*4+1)*2=2562, we need more for larger images
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-DPNG_MAX_BUFFERED_PIXELS=16416
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-DFREEINK_DEVICE_X4=1
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-DFREEINK_DEVICE_X3=1
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-DFREEINK_NET_WOLFSSL=1
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-DWOLFSSL_USER_SETTINGS
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-DWOLFSSL_OPTIONS_H
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-DWOLFSSL_CLIENT_EXAMPLE
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-DWOLFSSL_TLS13
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# MEMFIX-PORT: single-precision ECC (sp_c32.c). Without it every P-256 operation
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# (TLS 1.3 key_share keygen, ECDHE, ECDSA cert verify) runs on fast-math bignums
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# that WOLFSSL_SMALL_STACK heap-allocates at FP_MAX_BITS size -- tens of KB of
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# temporaries, which OOMs (MP_MEM) at the ~50KB free heap a reading session
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# leaves. SP uses fixed 256-bit arrays: a few KB, and several times faster.
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# SP_SMALL trades the large precomputed point tables for smaller flash.
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-DWOLFSSL_HAVE_SP_ECC
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-DWOLFSSL_SP_SMALL
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-DHAVE_TLS_EXTENSIONS
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-DHAVE_SUPPORTED_CURVES
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-DHAVE_HKDF
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-DHAVE_FFDHE_2048
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-DHAVE_CURVE25519
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-DWC_RSA_PSS
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-DHAVE_SNI
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-Wno-bidi-chars
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-Wl,--wrap=panic_print_backtrace,--wrap=panic_abort,--wrap=bootloader_common_check_efuse_blk_validity
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-fno-exceptions
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build_unflags =
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-std=gnu++11
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-fexceptions
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; Board configuration
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board_build.flash_mode = dio
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board_build.flash_size = 16MB
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board_build.partitions = partitions.csv
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; MEMFIX-PORT: custom_sdkconfig heap reclamation (~32-37 KB). Rebuilds the
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; Arduino core libs on first build (slower once, cached after; needs the CMake
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; pin in platformio.local.ini on macOS).
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;
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; If an interrupted rebuild fails with "multiple definition of 'app_main'"
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; (stale generated scaffold), clean it up with:
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; rm -rf .dummy CMakeLists.txt sdkconfig.default sdkconfig.defaults .pio/build/default
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; Do NOT use `git clean -fdX` — it deletes platformio.local.ini.
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custom_sdkconfig =
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; Task stack right-sizing from measured high-water marks (heap block map +
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; per-task stack audit, July 2026): esp_timer used ~0.8 KB of 8 KB across
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; every capture; the FreeRTOS timer service used ~0.5 KB
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; of 4 KB. Neither runs TLS or app code. ~7 KB back to the heap.
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CONFIG_ESP_TIMER_TASK_STACK_SIZE=4096
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CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=2560
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; Move the WiFi stack's non-critical hot paths out of IRAM into flash.
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; On the C3, IRAM and DRAM share one SRAM pool, so the ~25-30 KB this
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; frees lands directly in the heap — paid for with lower WiFi throughput
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; during transfers (occasional sync/OTA use, not streaming: acceptable).
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; IRAM cost is static, so the heap gain applies even with WiFi off.
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CONFIG_ESP_WIFI_IRAM_OPT=n
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CONFIG_ESP_WIFI_RX_IRAM_OPT=n
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; Keep the Arduino wrappers for the removed cloud components (below) out of
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; the core source list; all other bundled libraries default to enabled.
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CONFIG_ARDUINO_SELECTIVE_COMPILATION=y
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CONFIG_ARDUINO_SELECTIVE_RainMaker=n
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CONFIG_ARDUINO_SELECTIVE_Insights=n
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; Drop unused cloud components from the core rebuild. esp_insights/rainmaker
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; require embedded server certs the lib builder can't generate
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; ("https_server.crt.S not found"); this firmware uses none of them.
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custom_component_remove =
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espressif/esp_insights
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espressif/esp_rainmaker
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espressif/esp_diagnostics
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espressif/esp_diag_data_store
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espressif/esp_schedule
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espressif/esp_rcp_update
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espressif/esp_secure_cert_mgr
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espressif/cbor
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extra_scripts =
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pre:scripts/patch_wolfssl.py
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pre:scripts/build_html.py
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pre:scripts/gen_i18n.py
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pre:scripts/git_branch.py
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pre:scripts/patch_jpegdec.py
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post:scripts/register_unit_tests_target.py
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; Libraries
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lib_deps =
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BatteryMonitor=symlink://freeink-sdk/libs/hardware/BatteryMonitor
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InputManager=symlink://freeink-sdk/libs/hardware/InputManager
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EInkDisplay=symlink://freeink-sdk/libs/display/FreeInkDisplay
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SDCardManager=symlink://freeink-sdk/libs/hardware/SDCardManager
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BoardConfig=symlink://freeink-sdk/libs/hardware/BoardConfig
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PowerManager=symlink://freeink-sdk/libs/hardware/PowerManager
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SecureNet=symlink://freeink-sdk/libs/network/SecureNet
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FreeInkUI=symlink://freeink-sdk/libs/ui/FreeInkUI
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Icons=symlink://freeink-sdk/libs/assets/Icons
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bblanchon/ArduinoJson @ 7.4.2
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ricmoo/QRCode @ 0.0.1
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bitbank2/PNGdec @ 1.1.6
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https://github.com/bitbank2/JPEGDEC.git#86282979224c8a32fd51e091ed5a35b0c699a52b
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links2004/WebSockets @ 2.7.3
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wolfssl/Arduino-wolfSSL @ 5.7.2
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lib_ignore =
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BLE
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[env:default]
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extends = base
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build_flags =
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${base.build_flags}
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; CROSSPOINT_VERSION is set by scripts/git_branch.py (includes branch + short SHA)
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-DENABLE_SERIAL_LOG
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-DLOG_LEVEL=2 ; Set log level to debug for development builds
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[env:gh_release]
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extends = base
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build_flags =
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${base.build_flags}
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-DCROSSPOINT_VERSION=\"${crosspoint.version}\"
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-DENABLE_SERIAL_LOG
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-DLOG_LEVEL=1 ; Set log level to info for release builds
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[env:gh_release_rc]
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extends = base
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build_flags =
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${base.build_flags}
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-DCROSSPOINT_VERSION=\"${crosspoint.version}-rc+${sysenv.CROSSPOINT_RC_HASH}\"
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-DENABLE_SERIAL_LOG
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-DLOG_LEVEL=1 ; Set log level to info for release candidate builds
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[env:slim]
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extends = base
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build_flags =
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${base.build_flags}
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-DCROSSPOINT_VERSION=\"${crosspoint.version}-slim\"
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; serial output is disabled in slim builds to save space
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-UENABLE_SERIAL_LOG
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