Start raspi picoproject

rust/pico/.cargo/config.toml

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+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# Choose a default "cargo run" tool:
+# - probe-run provides flashing and defmt via a hardware debugger
+# - cargo embed offers flashing, rtt, defmt and a gdb server via a hardware debugger
+#     it is configured via the Embed.toml in the root of this project
+# - elf2uf2-rs loads firmware over USB when the rp2040 is in boot mode
+# runner = "probe-run --chip RP2040"
+# runner = "cargo embed"
+runner = "elf2uf2-rs -d"
+
+rustflags = [
+  "-C", "linker=flip-link",
+  "-C", "link-arg=--nmagic",
+  "-C", "link-arg=-Tlink.x",
+  "-C", "link-arg=-Tdefmt.x",
+
+  # Code-size optimizations.
+  #   trap unreachable can save a lot of space, but requires nightly compiler.
+  #   uncomment the next line if you wish to enable it
+  # "-Z", "trap-unreachable=no",
+  "-C", "inline-threshold=5",
+  "-C", "no-vectorize-loops",
+]
+
+[build]
+target = "thumbv6m-none-eabi"
+
+[env]
+DEFMT_LOG = "debug"

rust/pico/.vscode/settings.json

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+{
+    "rust-analyzer.cargo.target": "thumbv6m-none-eabi",
+    "workbench.colorCustomizations": {
+        "activityBar.background": "#43261A",
+        "titleBar.activeBackground": "#5E3524",
+        "titleBar.activeForeground": "#FCF9F8"
+    }
+}

rust/pico/Cargo.toml

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+[package]
+edition = "2021"
+name = "pico-pedal"
+version = "0.1.0"
+
+[dependencies]
+cortex-m = "0.7"
+cortex-m-rt = "0.7"
+embedded-hal = { version = "0.2.5", features = ["unproven"] }
+embedded-time = "0.12"
+
+defmt = "0.3"
+defmt-rtt = "0.3"
+panic-probe = { version = "0.3", features = ["print-defmt"] }
+
+# We're using a Pico by default on this template
+rp-pico = "0.4"
+
+# but you can use any BSP. Uncomment this to use the pro_micro_rp2040 BSP instead
+# sparkfun-pro-micro-rp2040 = "0.3"
+
+# If you're not going to use a Board Support Package you'll need these:
+# rp2040-hal = { version="0.5", features=["rt"] }
+# rp2040-boot2 = "0.2"
+
+# cargo build/run
+[profile.dev]
+codegen-units = 1
+debug = 2
+debug-assertions = true
+incremental = false
+opt-level = 3
+overflow-checks = true
+
+# cargo build/run --release
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false
+incremental = false
+lto = 'fat'
+opt-level = 3
+overflow-checks = false
+
+# do not optimize proc-macro crates = faster builds from scratch
+[profile.dev.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false
+
+[profile.release.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false
+
+# cargo test
+[profile.test]
+codegen-units = 1
+debug = 2
+debug-assertions = true
+incremental = false
+opt-level = 3
+overflow-checks = true
+
+# cargo test --release
+[profile.bench]
+codegen-units = 1
+debug = 2
+debug-assertions = false
+incremental = false
+lto = 'fat'
+opt-level = 3

rust/pico/memory.x

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+MEMORY {
+    BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100
+    FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100
+    RAM   : ORIGIN = 0x20000000, LENGTH = 256K
+}
+
+EXTERN(BOOT2_FIRMWARE)
+
+SECTIONS {
+    /* ### Boot loader */
+    .boot2 ORIGIN(BOOT2) :
+    {
+        KEEP(*(.boot2));
+    } > BOOT2
+} INSERT BEFORE .text;

rust/pico/src/main.rs

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+//! Blinks the LED on a Pico board
+//!
+//! This will blink an LED attached to GP25, which is the pin the Pico uses for the on-board LED.
+#![no_std]
+#![no_main]
+
+use bsp::entry;
+use defmt::*;
+use defmt_rtt as _;
+use embedded_hal::digital::v2::OutputPin;
+use embedded_time::fixed_point::FixedPoint;
+use panic_probe as _;
+
+// Provide an alias for our BSP so we can switch targets quickly.
+// Uncomment the BSP you included in Cargo.toml, the rest of the code does not need to change.
+use rp_pico as bsp;
+// use sparkfun_pro_micro_rp2040 as bsp;
+
+use bsp::hal::{
+    clocks::{init_clocks_and_plls, Clock},
+    pac,
+    sio::Sio,
+    watchdog::Watchdog,
+};
+
+#[entry]
+fn main() -> ! {
+    info!("Program start");
+    let mut pac = pac::Peripherals::take().unwrap();
+    let core = pac::CorePeripherals::take().unwrap();
+    let mut watchdog = Watchdog::new(pac.WATCHDOG);
+    let sio = Sio::new(pac.SIO);
+
+    // External high-speed crystal on the pico board is 12Mhz
+    let external_xtal_freq_hz = 12_000_000u32;
+    let clocks = init_clocks_and_plls(
+        external_xtal_freq_hz,
+        pac.XOSC,
+        pac.CLOCKS,
+        pac.PLL_SYS,
+        pac.PLL_USB,
+        &mut pac.RESETS,
+        &mut watchdog,
+    )
+    .ok()
+    .unwrap();
+
+    let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().integer());
+
+    let pins = bsp::Pins::new(
+        pac.IO_BANK0,
+        pac.PADS_BANK0,
+        sio.gpio_bank0,
+        &mut pac.RESETS,
+    );
+
+    let mut led_pin = pins.led.into_push_pull_output();
+
+    loop {
+        info!("on!");
+        led_pin.set_high().unwrap();
+        delay.delay_ms(200);
+        info!("off!");
+        led_pin.set_low().unwrap();
+        delay.delay_ms(200);
+    }
+}
+
+// End of file