init
This commit is contained in:
commit
1e771a162b
25
.cargo/config.toml
Normal file
25
.cargo/config.toml
Normal file
@ -0,0 +1,25 @@
|
||||
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
|
||||
# Choose a default "cargo run" tool (see README for more info)
|
||||
# - `probe-rs` provides flashing and defmt via a hardware debugger, and stack unwind on panic
|
||||
# - elf2uf2-rs loads firmware over USB when the rp2040 is in boot mode
|
||||
#runner = "probe-rs run --chip RP2040 --protocol swd"
|
||||
runner = "elf2uf2-rs -d -s"
|
||||
|
||||
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", "no-vectorize-loops",
|
||||
]
|
||||
|
||||
[build]
|
||||
target = "thumbv6m-none-eabi"
|
||||
|
||||
[env]
|
||||
DEFMT_LOG = "debug"
|
||||
1
.gitignore
vendored
Normal file
1
.gitignore
vendored
Normal file
@ -0,0 +1 @@
|
||||
/target
|
||||
830
Cargo.lock
generated
Normal file
830
Cargo.lock
generated
Normal file
@ -0,0 +1,830 @@
|
||||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
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||||
version = 3
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|
||||
checksum = "de437e2a6208b014ab52972a27e59b33fa2920d3e00fe05026167a1c509d19cc"
|
||||
dependencies = [
|
||||
"vcell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "waveshare-rp2040-zero"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "97c19a6cb0759cfd2d664ff4d8af8c4f42b39c6c69d4393fdbbc3d67f0084f76"
|
||||
dependencies = [
|
||||
"cortex-m-rt",
|
||||
"rp2040-boot2",
|
||||
"rp2040-hal",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ws2812-pio"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b83a4e0ef584cbb06c6e3ee8421fa99556eef26e14fa72be77588675e874868"
|
||||
dependencies = [
|
||||
"cortex-m",
|
||||
"embedded-hal 0.2.7",
|
||||
"fugit",
|
||||
"nb 1.1.0",
|
||||
"pio",
|
||||
"rp2040-hal",
|
||||
"smart-leds-trait",
|
||||
]
|
||||
32
Cargo.toml
Normal file
32
Cargo.toml
Normal file
@ -0,0 +1,32 @@
|
||||
[package]
|
||||
name = "rp-pico"
|
||||
version = "0.9.0"
|
||||
authors = ["evan <evanmolder@gmail.com>", "The rp-rs Developers"]
|
||||
edition = "2018"
|
||||
homepage = "https://github.com/rp-rs/rp-hal-boards/tree/main/boards/rp-pico"
|
||||
description = "Board Support Package for the Raspberry Pi Pico"
|
||||
license = "MIT OR Apache-2.0"
|
||||
repository = "https://github.com/rp-rs/rp-hal-boards.git"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
cortex-m = "0.7"
|
||||
fugit = "0.3.7"
|
||||
cortex-m-rt = "0.7"
|
||||
rp2040-boot2 = { version = "0.3.0", optional = true }
|
||||
rp2040-hal = "0.10.2"
|
||||
waveshare-rp2040-zero = "0.8.0"
|
||||
cortex-m-rtic = "1"
|
||||
embedded-hal = "1.0.0"
|
||||
|
||||
usb-device = "0.3.2"
|
||||
|
||||
panic-halt = "1.0.0"
|
||||
defmt = "0.3"
|
||||
defmt-serial = "0.10.0"
|
||||
|
||||
usbd-serial = "0.2.2"
|
||||
|
||||
smart-leds = "0.3.0"
|
||||
ws2812-pio = "0.8.0"
|
||||
31
build.rs
Normal file
31
build.rs
Normal file
@ -0,0 +1,31 @@
|
||||
//! This build script copies the `memory.x` file from the crate root into
|
||||
//! a directory where the linker can always find it at build time.
|
||||
//! For many projects this is optional, as the linker always searches the
|
||||
//! project root directory -- wherever `Cargo.toml` is. However, if you
|
||||
//! are using a workspace or have a more complicated build setup, this
|
||||
//! build script becomes required. Additionally, by requesting that
|
||||
//! Cargo re-run the build script whenever `memory.x` is changed,
|
||||
//! updating `memory.x` ensures a rebuild of the application with the
|
||||
//! new memory settings.
|
||||
|
||||
use std::env;
|
||||
use std::fs::File;
|
||||
use std::io::Write;
|
||||
use std::path::PathBuf;
|
||||
|
||||
fn main() {
|
||||
// Put `memory.x` in our output directory and ensure it's
|
||||
// on the linker search path.
|
||||
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
|
||||
File::create(out.join("memory.x"))
|
||||
.unwrap()
|
||||
.write_all(include_bytes!("memory.x"))
|
||||
.unwrap();
|
||||
println!("cargo:rustc-link-search={}", out.display());
|
||||
|
||||
// By default, Cargo will re-run a build script whenever
|
||||
// any file in the project changes. By specifying `memory.x`
|
||||
// here, we ensure the build script is only re-run when
|
||||
// `memory.x` is changed.
|
||||
println!("cargo:rerun-if-changed=memory.x");
|
||||
}
|
||||
15
memory.x
Normal file
15
memory.x
Normal file
@ -0,0 +1,15 @@
|
||||
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;
|
||||
195
src/main.rs
Normal file
195
src/main.rs
Normal file
@ -0,0 +1,195 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use panic_halt as _;
|
||||
|
||||
#[rtic::app(device = waveshare_rp2040_zero::hal::pac, peripherals = true)]
|
||||
mod app {
|
||||
use core::iter::once;use fugit::MicrosDurationU32;
|
||||
use rp2040_hal::Clock;
|
||||
use rp2040_hal::gpio::{FunctionPio0, PullDown};
|
||||
use rp2040_hal::gpio::bank0::Gpio16;
|
||||
use rp2040_hal::pac::PIO0;
|
||||
use rp2040_hal::pio::SM0;
|
||||
use rp2040_hal::timer::CountDown;
|
||||
use smart_leds::{brightness, SmartLedsWrite};
|
||||
use usbd_serial::SerialPort;
|
||||
use waveshare_rp2040_zero::{
|
||||
hal::{self, clocks::init_clocks_and_plls, timer::Alarm, watchdog::Watchdog, Sio},
|
||||
XOSC_CRYSTAL_FREQ,
|
||||
};
|
||||
|
||||
use usb_device::{class_prelude::*, prelude::*};
|
||||
use ws2812_pio::Ws2812;
|
||||
use waveshare_rp2040_zero::hal::pio::PIOExt;
|
||||
|
||||
const SCAN_TIME_US: MicrosDurationU32 = MicrosDurationU32::millis(400);
|
||||
|
||||
#[shared]
|
||||
struct Shared {
|
||||
timer: hal::Timer,
|
||||
alarm: hal::timer::Alarm0,
|
||||
usb_dev: UsbDevice<'static, hal::usb::UsbBus>,
|
||||
serial: SerialPort<'static, hal::usb::UsbBus>,
|
||||
ws: Ws2812<PIO0, SM0, CountDown<'static>, hal::gpio::Pin<Gpio16, FunctionPio0, PullDown>>
|
||||
}
|
||||
|
||||
#[local]
|
||||
struct Local {}
|
||||
|
||||
#[init]
|
||||
fn init(c: init::Context) -> (Shared, Local, init::Monotonics) {
|
||||
// Soft-reset does not release the hardware spinlocks
|
||||
// Release them now to avoid a deadlock after debug or watchdog reset
|
||||
unsafe {
|
||||
hal::sio::spinlock_reset();
|
||||
}
|
||||
let mut resets = c.device.RESETS;
|
||||
let mut watchdog = Watchdog::new(c.device.WATCHDOG);
|
||||
let clocks = init_clocks_and_plls(
|
||||
XOSC_CRYSTAL_FREQ,
|
||||
c.device.XOSC,
|
||||
c.device.CLOCKS,
|
||||
c.device.PLL_SYS,
|
||||
c.device.PLL_USB,
|
||||
&mut resets,
|
||||
&mut watchdog,
|
||||
)
|
||||
.ok()
|
||||
.unwrap();
|
||||
|
||||
let sio = Sio::new(c.device.SIO);
|
||||
let pins = waveshare_rp2040_zero::Pins::new(
|
||||
c.device.IO_BANK0,
|
||||
c.device.PADS_BANK0,
|
||||
sio.gpio_bank0,
|
||||
&mut resets,
|
||||
);
|
||||
|
||||
//let timer = Timer::new(c.device.TIMER, &mut c.device.RESETS, &clocks);
|
||||
let dTIMER = c.device.TIMER;
|
||||
let timer = cortex_m::singleton!(: hal::Timer = hal::Timer::new(dTIMER, &mut resets, &clocks)).unwrap();
|
||||
let mut alarm = timer.alarm_0().unwrap();
|
||||
|
||||
let count_down: CountDown<'static> = timer.count_down();
|
||||
|
||||
let (mut pio, sm0, _, _, _) = c.device.PIO0.split(&mut resets);
|
||||
let ws: Ws2812<PIO0, SM0, CountDown<'static>, hal::gpio::Pin<Gpio16, FunctionPio0, PullDown>> = Ws2812::new(
|
||||
// The onboard NeoPixel is attached to GPIO pin #16 on the Waveshare RP2040-Zero.
|
||||
pins.neopixel.into_function(),
|
||||
&mut pio,
|
||||
sm0,
|
||||
clocks.peripheral_clock.freq(),
|
||||
count_down,
|
||||
);
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// Set up the USB driver
|
||||
let USBCTRL_REGS = c.device.USBCTRL_REGS;
|
||||
let USBCTRL_DPRAM = c.device.USBCTRL_DPRAM;
|
||||
let usb_clock = clocks.usb_clock;
|
||||
let usb_bus = cortex_m::singleton!(
|
||||
: UsbBusAllocator<hal::usb::UsbBus> = UsbBusAllocator::new(waveshare_rp2040_zero::hal::usb::UsbBus::new(
|
||||
USBCTRL_REGS,
|
||||
USBCTRL_DPRAM,
|
||||
usb_clock,
|
||||
true,
|
||||
&mut resets,
|
||||
))).unwrap();
|
||||
|
||||
// Set up the USB Communications Class Device driver
|
||||
let mut serial = SerialPort::new(usb_bus);
|
||||
|
||||
// Create a USB device with a fake VID and PID
|
||||
let usb_dev = UsbDeviceBuilder::new(usb_bus, UsbVidPid(0x16c0, 0x27dd))
|
||||
.strings(&[StringDescriptors::default()
|
||||
.manufacturer("Fake company")
|
||||
.product("Serial port")
|
||||
.serial_number("TEST")])
|
||||
.unwrap()
|
||||
.device_class(2) // from: https://www.usb.org/defined-class-codes
|
||||
.build();
|
||||
|
||||
let _ = serial.write(b"Hello, World!\r\n");
|
||||
|
||||
|
||||
|
||||
let _ = alarm.schedule(SCAN_TIME_US);
|
||||
alarm.enable_interrupt();
|
||||
|
||||
(Shared { timer: *timer, alarm, usb_dev, serial, ws}, Local {}, init::Monotonics())
|
||||
}
|
||||
|
||||
#[task(
|
||||
binds = TIMER_IRQ_0,
|
||||
priority = 1,
|
||||
shared = [alarm, serial, ws],
|
||||
local = [tog: bool = true],
|
||||
)]
|
||||
fn timer_irq(mut c: timer_irq::Context) {
|
||||
if *c.local.tog {
|
||||
c.shared.ws.lock(|ws| ws.write(brightness(once((255, 0, 0).into()), 32)).unwrap());
|
||||
c.shared.serial.lock(|serial| _ = serial.write(b"High\r\n"));
|
||||
|
||||
} else {
|
||||
c.shared.ws.lock(|ws| ws.write(brightness(once((0, 0, 0).into()), 32)).unwrap());
|
||||
c.shared.serial.lock(|serial| _ = serial.write(b"LOW\r\n"));
|
||||
}
|
||||
*c.local.tog = !*c.local.tog;
|
||||
|
||||
|
||||
let mut alarm = c.shared.alarm;
|
||||
(alarm).lock(|a| {
|
||||
a.clear_interrupt();
|
||||
let _ = a.schedule(SCAN_TIME_US);
|
||||
});
|
||||
}
|
||||
|
||||
#[task(
|
||||
binds = USBCTRL_IRQ,
|
||||
priority = 1,
|
||||
shared = [usb_dev, serial],
|
||||
)]
|
||||
fn usbctrl_irq(c: usbctrl_irq::Context) {
|
||||
// Grab the global objects. This is OK as we only access them under interrupt.
|
||||
let usb_dev = c.shared.usb_dev;
|
||||
let serial = c.shared.serial;
|
||||
|
||||
(usb_dev, serial).lock(|usb_dev, serial| {
|
||||
// Poll the USB driver with all of our supported USB Classes
|
||||
|
||||
if usb_dev.poll(&mut [serial]) {
|
||||
let mut buf = [0u8; 64];
|
||||
match serial.read(&mut buf) {
|
||||
Err(_e) => {
|
||||
// Do nothing
|
||||
}
|
||||
Ok(0) => {
|
||||
// Do nothing
|
||||
}
|
||||
Ok(count) => {
|
||||
// Convert to upper case
|
||||
buf.iter_mut().take(count).for_each(|b| {
|
||||
b.make_ascii_uppercase();
|
||||
});
|
||||
|
||||
// Send back to the host
|
||||
let mut wr_ptr = &buf[..count];
|
||||
while !wr_ptr.is_empty() {
|
||||
let _ = serial.write(wr_ptr).map(|len| {
|
||||
wr_ptr = &wr_ptr[len..];
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user