How can I access the Pico W's LED with the rp-hal crate?

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  • rp-hal

    A Rust Embedded-HAL for the rp series microcontrollers

    • My starting point is the rp-hal blinky example: https://github.com/rp-rs/rp-hal/blob/main/rp2040-hal/examples/blinky.rs

  • pico-sdk

    • the LED of the W is hooked to the wireless chip. in the c sdk, the function to tell the chip to set it's gpio pin(s) is: cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1); where CYW43_WL_GPIO_LED_PIN is the macro to the LED. (https://github.com/raspberrypi/pico-sdk/blob/master/src/rp2_common/pico_cyw43_arch/include/pico/cyw43_arch.h line 468)

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