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VynDragonVynDragon
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zephyr: Add ESP32-C5_DevKitC board.
Add an ESP32-C5 board. Signed-off-by: Vdragon <mail@massdriver.space>
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‎ports/zephyr/boards/esp32c5_devkitc_hpcore.conf‎

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# Hardware features.
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CONFIG_FPU=n
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CONFIG_PINCTRL=y
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CONFIG_GPIO=y
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CONFIG_WATCHDOG=y
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CONFIG_CONSOLE_SUBSYS=y
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CONFIG_CONSOLE_GETCHAR=y
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CONFIG_CONSOLE_GETCHAR_BUFSIZE=1024
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CONFIG_CONSOLE_PUTCHAR_BUFSIZE=1024
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CONFIG_I2C=y
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CONFIG_I2C_TARGET=y
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CONFIG_SPI=y
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CONFIG_ENTROPY_GENERATOR=y
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CONFIG_HWINFO=y
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# PSRAM
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CONFIG_ESP_SPIRAM=y
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CONFIG_SPIRAM_MODE_QUAD=y
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CONFIG_ESPTOOLPY_FLASHFREQ_120M=y
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CONFIG_SPIRAM_SPEED_120M=y
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# MicroPython config
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CONFIG_MICROPY_HEAP_SIZE=64
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CONFIG_MAIN_STACK_SIZE=32768
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CONFIG_MICROPY_CONFIG_ROM_LEVEL_FULL_FEATURES=y
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# File System Configuration
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CONFIG_FLASH=y
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CONFIG_FLASH_MAP=y
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CONFIG_FILE_SYSTEM=y
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CONFIG_FILE_SYSTEM_LITTLEFS=y
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CONFIG_FILE_SYSTEM_MKFS=y
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CONFIG_MICROPY_VFS_FAT=y
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CONFIG_MICROPY_VFS_LFS1=n
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CONFIG_MICROPY_VFS_LFS2=n
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# Default heap for littlefs is too small
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CONFIG_FS_LITTLEFS_FC_HEAP_SIZE=8192
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# Bluetooth
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CONFIG_BT=y
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CONFIG_BT_DEVICE_NAME_DYNAMIC=y
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CONFIG_BT_DEVICE_APPEARANCE_DYNAMIC=y
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CONFIG_BT_GATT_DYNAMIC_DB=y
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CONFIG_BT_PERIPHERAL=y
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CONFIG_BT_CENTRAL=y
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CONFIG_BT_GATT_CLIENT=y
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CONFIG_BT_GATT_ENFORCE_SUBSCRIPTION=n
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CONFIG_BT_DIS=y
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CONFIG_BT_DIS_PNP=n
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CONFIG_BT_SMP=y
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CONFIG_BT_PERIPHERAL_PREF_MIN_INT=6
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# Networking config
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CONFIG_NETWORKING=y
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CONFIG_WIFI=y
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CONFIG_WIFI_NM=y
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CONFIG_NET_L2_WIFI_MGMT=y
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CONFIG_NET_IPV4=y
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CONFIG_NET_IPV6=y
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CONFIG_NET_UDP=y
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CONFIG_NET_TCP=y
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CONFIG_NET_SOCKETS=y
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CONFIG_NET_HOSTNAME_ENABLE=y
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CONFIG_NET_HOSTNAME_DYNAMIC=y
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CONFIG_WIFI_USAGE_MODE_STA_AP=y
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CONFIG_NET_SOCKETS_INET_RAW=y
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CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
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CONFIG_NET_SOCKETS_TLS_MAX_CONTEXTS=2
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CONFIG_MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH=y
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CONFIG_MBEDTLS_SSL_IN_CONTENT_LEN=16384
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CONFIG_MBEDTLS_SSL_OUT_CONTENT_LEN=16384
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CONFIG_MBEDTLS_SSL_PROTO_TLS1_2=y
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CONFIG_MBEDTLS_X509_USE_C=y
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CONFIG_MBEDTLS_X509_CRT_PARSE_C=y
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CONFIG_MBEDTLS_PEM_PARSE_C=y
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CONFIG_MBEDTLS_BASE64_C=y
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CONFIG_MBEDTLS_ENTROPY_C=y
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CONFIG_MBEDTLS_CIPHER=y
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CONFIG_MBEDTLS_CIPHERSUITE_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256=y
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CONFIG_MBEDTLS_HASH_ALL_ENABLED=y
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CONFIG_PSA_WANT_ALG_SHA_1=y
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CONFIG_ZVFS_POLL_MAX=10
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CONFIG_NET_IF_MAX_IPV6_COUNT=2
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CONFIG_NET_IF_MAX_IPV4_COUNT=2
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# Safeguard an amount of LIBC malloc space
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CONFIG_COMMON_LIBC_MALLOC=y
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CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=16384
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# DNS
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CONFIG_DNS_RESOLVER=y
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CONFIG_DNS_RESOLVER_AUTO_INIT=y
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CONFIG_DNS_RESOLVER_ADDITIONAL_QUERIES=2
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CONFIG_DNS_RESOLVER_MAX_SERVERS=2
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CONFIG_NET_SOCKETS_DNS_TIMEOUT=4000
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# DHCP configuration.
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CONFIG_NET_DHCPV4=y
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CONFIG_NET_DHCPV6=y
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CONFIG_NET_DHCPV4_SERVER=y
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# Use less heap than recommended, but using all of is very unlikely
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CONFIG_HEAP_MEM_POOL_SIZE=40960
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CONFIG_HEAP_MEM_POOL_IGNORE_MIN=y
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CONFIG_SYS_HEAP_RUNTIME_STATS=y
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# Required for socket.pkt_get_info()
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CONFIG_NET_BUF_POOL_USAGE=y
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# Relocate some things to PSRAM to free up SRAM
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CONFIG_ESP_WIFI_HEAP_SPIRAM=y
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CONFIG_ESP32_WIFI_NET_ALLOC_SPIRAM=y
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# Don't use 40KB of RAM for nothing
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CONFIG_MBEDTLS_PSA_STATIC_KEY_SLOTS=n

‎ports/zephyr/boards/esp32c5_devkitc_hpcore.overlay‎

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/*
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* Copyright (c) 2026 MASSDRIVER EI (massdriver.space)
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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// chosen {
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// zephyr,mbedtls-heap = &heap_mbedtls;
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// };
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fstab {
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compatible = "zephyr,fstab";
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lfs: lfs {
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compatible = "zephyr,fstab,littlefs";
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mount-point = "/flash";
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partition = <&storage_partition>;
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read-size=<16>;
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prog-size=<256>;
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cache-size=<1024>;
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lookahead-size=<32>;
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block-cycles=<4>;
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};
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};
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heap_psram {
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compatible = "micropython,heap";
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size = <DT_SIZE_M(6)>;
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memory-region = <&ext_ram_mock>;
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};
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/* EXTRAM region does not result in a region that picks EXTRAM sections, bad espressif
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* However, the LD region already picks the mbedtls heap by default.
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*/
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ext_ram_mock: bad_memory_region {
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compatible = "micropython,bad-region";
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zephyr,memory-region = ".ext_ram_noinit.mpy_head";
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};
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};

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