42 lines
1.9 KiB
Plaintext
42 lines
1.9 KiB
Plaintext
CONFIG_IDF_TARGET="esp32p4"
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# OTA layout (partitions.csv): two app slots, no factory
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CONFIG_PARTITION_TABLE_CUSTOM=y
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CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
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# Bootloader had only 6% free below 0x8000; moved so it can grow (e.g. secure boot) without a relayout
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CONFIG_PARTITION_TABLE_OFFSET=0x10000
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# Rollback lives in the bootloader, which is only ever flashed over USB: enable it from the start
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CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE=y
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# Board has engineering silicon v1.3 (esptool chip_id). Rev <3 binaries don't run on rev 3 and vice versa.
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CONFIG_ESP32P4_SELECTS_REV_LESS_V3=y
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CONFIG_ESP32P4_REV_MIN_100=y
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# 32 MB flash (esptool flash_id: GigaDevice c8/4019). App slots stay below 16 MB;
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# cache mapping above 16 MB is experimental in IDF.
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CONFIG_ESPTOOLPY_FLASHSIZE_32MB=y
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# LLDP and PTP send raw frames from their own tasks next to lwIP: serialise EMAC transmits
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CONFIG_ETH_TRANSMIT_MUTEX=y
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# lwIP default is 10 sockets; PTP (2), AES67 TX, SAP, syslog and httpd's listen/control sockets
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# use 7, leaving ~3 for web clients (httpd allows 7): a browser's keep-alive connections then
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# starve new requests. 16 = 7 others + 7 web clients + OTA self-test client + 1 spare.
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CONFIG_LWIP_MAX_SOCKETS=16
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# 32 MB PSRAM in the P4 package (hex mode, 200 MHz; 250 MHz needs rev >= 3). Needed for step 7:
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# HLS segment buffers, cspot, decoders. malloc() puts blocks >16 KB in PSRAM; DMA buffers stay internal.
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CONFIG_SPIRAM=y
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# cspot (Spotify Connect, step 7.5) needs C++ exceptions.
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CONFIG_COMPILER_CXX_EXCEPTIONS=y
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# esp_audio_codec's Vorbis decoder exports the same symbols (vorbis_info_init, ...) as cspot's
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# Tremor (bell): keep it out of the link. HLS only needs AAC.
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# CONFIG_AUDIO_DECODER_VORBIS_SUPPORT is not set
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# CONFIG_AUDIO_SIMPLE_DEC_OGG_SUPPORT is not set
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# TLS buffers/contexts in PSRAM (saves internal heap with Spotify/HLS sessions)
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CONFIG_MBEDTLS_EXTERNAL_MEM_ALLOC=y
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