Is there a successful example of esp32c3 wifi?

[Song-aff]

My project may fail during compilation

config.toml

[target.riscv32imc-unknown-none-elf]
runner = "espflash flash --monitor"


[build]
rustflags = [
  "-C", "link-arg=-Tlinkall.x",

  # Required to obtain backtraces (e.g. when using the "esp-backtrace" crate.)
  # NOTE: May negatively impact performance of produced code
  "-C", "force-frame-pointers",
]

target = "riscv32imc-unknown-none-elf"

[unstable]
build-std = ["core"]

Cargo.toml

[package]
name = "esp-wifi"
version = "0.1.0"
authors = ["Song-aff <281218023@qq.com>"]
edition = "2021"
license = "MIT OR Apache-2.0"
rustflags = ["-C", "link-arg=-Tlinkall.x", "-C", "link-arg=-Trom_functions.x"]

[profile.release]
debug = true

[dependencies]
esp-wifi = { version = "0.3.0", features = ["esp32c3", "wifi", "esp-now"] }
esp32c3-hal = "0.15.0"
esp-backtrace = { version = "0.11.0", features = [
    "esp32c3",
    "panic-handler",
    "exception-handler",
    "println",
] }
esp-println = { version = "0.9.0", features = ["esp32c3"] }
smoltcp = "0.11.0"

rust-toolchain.toml

[target.riscv32imc-unknown-none-elf]
runner = "espflash flash --monitor"


[build]
rustflags = [
  "-C", "link-arg=-Tlinkall.x",

  # Required to obtain backtraces (e.g. when using the "esp-backtrace" crate.)
  # NOTE: May negatively impact performance of produced code
  "-C", "force-frame-pointers",
]

target = "riscv32imc-unknown-none-elf"

[unstable]
build-std = ["core"]

[bjoernQ]

The default features of smoltcp include std - so you definitely need to opt-out of the default features of it

Please close if that fixes your issue