From 603a5af989fb34c892bf7fc9dde366c36d1d0fe6 Mon Sep 17 00:00:00 2001 From: Jakob Lechner Date: Mon, 10 Mar 2025 23:56:59 +0100 Subject: [PATCH] initial commit --- .cargo/config.toml | 9 + .envrc | 1 + .gitignore | 2 + Cargo.lock | 625 ++++++++++++++++++++++++++++++++ Cargo.toml | 36 ++ riscv32ec-unknown-none-elf.json | 18 + shell.nix | 9 + src/main.rs | 69 ++++ 8 files changed, 769 insertions(+) create mode 100644 .cargo/config.toml create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 riscv32ec-unknown-none-elf.json create mode 100644 shell.nix create mode 100644 src/main.rs diff --git a/.cargo/config.toml b/.cargo/config.toml new file mode 100644 index 0000000..a64b483 --- /dev/null +++ b/.cargo/config.toml @@ -0,0 +1,9 @@ +[build] +target = "riscv32ec-unknown-none-elf.json" + +[target.riscv32ec-unknown-none-elf] +runner = "wlink flash --enable-sdi-print --watch-serial" +rustflags = ["-C", 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+[package] +name = "ch32-dimmer-node" +version = "0.1.0" +edition = "2021" + +[[bin]] +name = "ch32-dimmer-node" +test = false +bench = false + +[dependencies] +panic-halt = "1.0.0" +ch32-hal = {git = "https://github.com/ch32-rs/ch32-hal", features = [ + "ch32v003f4p6", + "embassy", +]} +qingke-rt = { version = "0.4.0", features = ["highcode"] } +qingke = "0.4.0" +embedded-hal = "1.0.0" + +embassy-executor = {version = "0.6.0", features = [ +# "integrated-timers", + "arch-spin", + "executor-thread", + "task-arena-size-128", # or better use nightly, but fails on recent Rust versions +]} +embassy-time = { version = "0.3.0" } +fugit = "0.3.7" + +[profile.dev] +strip = false # symbols are not flashed to the microcontroller, so don't strip them. +lto = true +opt-level = "s" # Optimize for size. + +[dev-dependencies] +# No entries, since `no_std` projects are often incompatible with standard tests diff --git a/riscv32ec-unknown-none-elf.json b/riscv32ec-unknown-none-elf.json new file mode 100644 index 0000000..e394eb4 --- /dev/null +++ b/riscv32ec-unknown-none-elf.json @@ -0,0 +1,18 @@ +{ + "arch": "riscv32", + "atomic-cas": false, + "cpu": "generic-rv32", + "crt-objects-fallback": "false", + "data-layout": "e-m:e-p:32:32-i64:64-n32-S32", + "eh-frame-header": false, + "emit-debug-gdb-scripts": false, + "features": "+e,+c,+forced-atomics", + "linker": "rust-lld", + "linker-flavor": "gnu-lld", + "llvm-target": "riscv32", + "llvm-abiname": "ilp32e", + "max-atomic-width": 32, + "panic-strategy": "abort", + "relocation-model": "static", + "target-pointer-width": "32" +} \ No newline at end of file diff --git a/shell.nix b/shell.nix new file mode 100644 index 0000000..ffb8660 --- /dev/null +++ b/shell.nix @@ -0,0 +1,9 @@ +{ pkgs ? import {} }: +pkgs.mkShell { + nativeBuildInputs = with pkgs; [ + gcc + gnumake + rustup + wlink + ]; +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..2bae062 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,69 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] + +use ch32_hal as hal; +use hal::println; +use hal::usart; +use hal::bind_interrupts; +use hal::time::Hertz; +use hal::timer::low_level::CountingMode; +use hal::timer::simple_pwm::{PwmPin, SimplePwm}; +use embassy_executor::Spawner; + +bind_interrupts!(struct Irqs { + USART1 => usart::InterruptHandler; +}); + +#[embassy_executor::main(entry = "qingke_rt::entry")] +async fn main(_spawner: Spawner) -> ! { + let p = hal::init(Default::default()); + + let mut uart_conf = usart::Config::default(); + uart_conf.baudrate = 115200; + //let mut uart_rx = usart::UartRx::new(p.USART1, Irqs, p.PD6, p.DMA1_CH5, uart_conf).unwrap(); + let mut uart_rx = usart::UartRx::new_blocking(p.USART1, p.PD6, uart_conf).unwrap(); + + + let pin_cw = PwmPin::new_ch3::<0>(p.PC3); + let pin_ww = PwmPin::new_ch4::<0>(p.PC4); + let mut pwm = SimplePwm::new( + p.TIM1, + None, + None, + Some(pin_cw), + Some(pin_ww), + Hertz::khz(1), + CountingMode::default(), + ); + let (ch_cw, ch_ww) = (hal::timer::Channel::Ch3, hal::timer::Channel::Ch4); + + let _max_duty = pwm.get_max_duty(); + pwm.set_duty(ch_ww, 100); + pwm.enable(ch_ww); + + pwm.set_duty(ch_cw, 50); + pwm.enable(ch_cw); + + hal::debug::SDIPrint::enable(); + + println!("hello :)"); + + let mut buffer = [0u8; 32]; + loop { + match uart_rx.blocking_read(&mut buffer) { + Ok(()) => { + println!("received something"); + } + Err(_e) => { + } + } + } +} + +#[panic_handler] +fn panic(_info: &core::panic::PanicInfo) -> ! { + println!("panic: {}", _info); + loop {} +}