Initial not completely functional state

main
trivernis 1 year ago
commit 535e969f90
Signed by: Trivernis
GPG Key ID: DFFFCC2C7A02DB45

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#
# Cargo Configuration for the https://github.com/rp-rs/rp-hal.git repository.
#
# Copyright (c) The RP-RS Developers, 2021
#
# You might want to make a similar file in your own repository if you are
# writing programs for Raspberry Silicon microcontrollers.
#
# This file is MIT or Apache-2.0 as per the repository README.md file
#
[build]
# Set the default target to match the Cortex-M0+ in the RP2040
target = "thumbv6m-none-eabi"
# Target specific options
[target.thumbv6m-none-eabi]
# Pass some extra options to rustc, some of which get passed on to the linker.
#
# * linker argument --nmagic turns off page alignment of sections (which saves
# flash space)
# * linker argument -Tlink.x tells the linker to use link.x as the linker
# script. This is usually provided by the cortex-m-rt crate, and by default
# the version in that crate will include a file called `memory.x` which
# describes the particular memory layout for your specific chip.
# * inline-threshold=5 makes the compiler more aggressive and inlining functions
# * no-vectorize-loops turns off the loop vectorizer (seeing as the M0+ doesn't
# have SIMD)
rustflags = [
"-C", "link-arg=--nmagic",
"-C", "link-arg=-Tlink.x",
"-C", "inline-threshold=5",
"-C", "no-vectorize-loops",
]
# This runner will make a UF2 file and then copy it to a mounted RP2040 in USB
# Bootloader mode:
runner = "elf2uf2-rs -d"
# This runner will find a supported SWD debug probe and flash your RP2040 over
# SWD:
# runner = "probe-run --chip RP2040"

1
.gitignore vendored

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/target

660
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name = "usb-device"
version = "0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1f6cc3adc849b5292b4075fc0d5fdcf2f24866e88e336dd27a8943090a520508"
[[package]]
name = "vcell"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]]
name = "void"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
[[package]]
name = "volatile-register"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ee8f19f9d74293faf70901bc20ad067dc1ad390d2cbf1e3f75f721ffee908b6"
dependencies = [
"vcell",
]
[[package]]
name = "yampad-rs"
version = "0.1.0"
dependencies = [
"cortex-m",
"cortex-m-rt",
"cortex-m-rtic",
"embedded-hal",
"embedded-time",
"fugit",
"keyberon",
"nb 1.0.0",
"panic-halt",
"rp2040-boot2",
"rp2040-hal",
"rtic-monotonic",
"sparkfun-pro-micro-rp2040",
"systick-monotonic",
"usb-device",
]

@ -0,0 +1,23 @@
[package]
name = "yampad-rs"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
cortex-m = "0.7.7"
cortex-m-rt = "0.7.2"
embedded-hal = { version = "0.2.7", features = ["unproven"] }
rp2040-boot2 = "0.2.1"
panic-halt = "0.2.0"
rp2040-hal = { version = "0.7.0", features = ["rt", "rom-func-cache", "critical-section-impl"] }
fugit = "0.3.6"
nb = "1.0.0"
keyberon = { git = "https://github.com/TeXitoi/keyberon" }
cortex-m-rtic = "1.1.3"
usb-device = "0.2.9"
rtic-monotonic = "1.0.0"
systick-monotonic = "1.0.1"
sparkfun-pro-micro-rp2040 = "0.5.0"
embedded-time = "0.12.1"

@ -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;

@ -0,0 +1,25 @@
use keyberon::key_code::KeyCode;
type Action = keyberon::action::Action<()>;
static STAR: Action = Action::KeyCode(KeyCode::KpAsterisk);
#[rustfmt::skip]
pub static LAYERS: keyberon::layout::Layers<4, 5, 1, ()> = keyberon::layout::layout! {
{
[ '_' / {STAR} - ],
[ 7 8 9 n ],
[ 4 5 6 + ],
[ 1 2 3 n ],
[ 0 0 , Enter],
}
};
// #[rustfmt::skip]
// pub static LAYERS: keyberon::layout::Layers<5, 4, 1, ()> = keyberon::layout::layout! {
// {
// ['_' 7 4 1],
// [/ 8 5 2 0],
// [{STAR} 9 6 3 ,],
// [ - n + n Enter]
// }
// };

@ -0,0 +1,185 @@
#![no_std]
#![no_main]
use keyberon::key_code::KbHidReport;
use panic_halt as _;
pub use sparkfun_pro_micro_rp2040::hal;
mod layout;
use hal::gpio::DynPin;
use hal::usb::UsbBus;
use keyberon::debounce::Debouncer;
use keyberon::layout::Layout;
use keyberon::matrix::Matrix;
use hal::timer::Alarm;
use hal::timer::Alarm0;
use usb_device::bus::UsbBusAllocator;
use usb_device::class::UsbClass as _;
hal::bsp_pins!(
Gpio0 { name: tx0 },
Gpio1 { name: rx0 },
Gpio2 { name: gpio2 },
Gpio3 { name: gpio3 },
Gpio4 { name: gpio4 },
Gpio5 { name: gpio5 },
Gpio6 { name: gpio6 },
Gpio7 { name: gpio7 },
Gpio8 { name: tx1 },
Gpio9 { name: rx1 },
Gpio16 { name: sda },
Gpio17 { name: scl },
Gpio20 { name: cipo },
Gpio21 { name: ncs },
Gpio22 { name: sck },
Gpio23 { name: copi },
Gpio25 { name: led },
Gpio26 { name: adc0 },
Gpio27 { name: adc1 },
Gpio28 { name: adc2 },
Gpio29 { name: adc3 },
);
type UsbClass = keyberon::Class<'static, UsbBus, ()>;
type UsbDevice = usb_device::device::UsbDevice<'static, UsbBus>;
const POLL_RATE: u32 = 100;
#[rtic::app(device = sparkfun_pro_micro_rp2040::hal::pac, peripherals = true)]
mod app {
use fugit::MicrosDurationU32;
use super::*;
#[shared]
struct Shared {
usb_class: UsbClass,
alarm: Alarm0,
}
#[local]
struct Local {
debouncer: Debouncer<[[bool; 4]; 5]>,
matrix: Matrix<DynPin, DynPin, 4, 5>,
layout: Layout<4, 5, 1, ()>,
usb_dev: UsbDevice,
}
#[init(local = [usb_bus: Option<usb_device::bus::UsbBusAllocator<hal::usb::UsbBus>> = None])]
fn init(c: init::Context) -> (Shared, Local, init::Monotonics) {
let mut resets = c.device.RESETS;
let mut watchdog = hal::Watchdog::new(c.device.WATCHDOG);
// configure clocks
let clocks = hal::clocks::init_clocks_and_plls(
sparkfun_pro_micro_rp2040::XOSC_CRYSTAL_FREQ,
c.device.XOSC,
c.device.CLOCKS,
c.device.PLL_SYS,
c.device.PLL_USB,
&mut resets,
&mut watchdog,
)
.ok()
.unwrap();
let usb_bus: &'static _ =
c.local
.usb_bus
.insert(UsbBusAllocator::new(hal::usb::UsbBus::new(
c.device.USBCTRL_REGS,
c.device.USBCTRL_DPRAM,
clocks.usb_clock,
true,
&mut resets,
)));
let usb_class = keyberon::new_class(usb_bus, ());
let usb_dev = keyberon::new_device(usb_bus);
let sio = hal::Sio::new(c.device.SIO);
let pins = rp2040_hal::gpio::Pins::new(
c.device.IO_BANK0,
c.device.PADS_BANK0,
sio.gpio_bank0,
&mut resets,
);
let mut timer = hal::Timer::new(c.device.TIMER, &mut resets);
let mut alarm = timer.alarm_0().unwrap();
let _ = alarm.schedule(MicrosDurationU32::from_ticks(POLL_RATE));
alarm.enable_interrupt();
let matrix = Matrix::new(
[
pins.gpio22.into_pull_up_input().into(),
pins.gpio20.into_pull_up_input().into(),
pins.gpio23.into_pull_up_input().into(),
pins.gpio21.into_pull_up_input().into(),
],
[
pins.gpio5.into_push_pull_output().into(),
pins.gpio6.into_push_pull_output().into(),
pins.gpio7.into_push_pull_output().into(),
pins.gpio8.into_push_pull_output().into(),
pins.gpio9.into_push_pull_output().into(),
],
);
(
Shared { usb_class, alarm },
Local {
usb_dev,
matrix: matrix.unwrap(),
debouncer: Debouncer::new(
[[false; 4]; 5],
[[false; 4]; 5],
(5000u32 / POLL_RATE) as u16,
),
layout: Layout::new(&crate::layout::LAYERS),
},
init::Monotonics(),
)
}
#[task(binds = USBCTRL_IRQ, priority = 3, local = [usb_dev], shared = [ usb_class])]
fn usb_rx(mut c: usb_rx::Context) {
c.shared
.usb_class
.lock(|usb_class| super::usb_poll(&mut c.local.usb_dev, usb_class));
}
#[task(binds = TIMER_IRQ_0, priority = 1, local = [debouncer, matrix, layout], shared = [usb_class, alarm])]
fn tick(mut c: tick::Context) {
for event in c.local.debouncer.events(c.local.matrix.get().unwrap()) {
c.local.layout.event(event);
}
let report: KbHidReport = c.local.layout.keycodes().collect();
if c.shared
.usb_class
.lock(|k| k.device_mut().set_keyboard_report(report.clone()))
{
while let Ok(0) = c.shared.usb_class.lock(|k| k.write(report.as_bytes())) {}
}
c.shared.alarm.lock(|a| {
a.clear_interrupt();
let _ = a.schedule(MicrosDurationU32::from_ticks(POLL_RATE));
});
}
#[idle]
fn idle(_cx: idle::Context) -> ! {
loop {
cortex_m::asm::nop();
}
}
}
fn usb_poll(usb_dev: &mut UsbDevice, keyboard: &mut UsbClass) {
if usb_dev.poll(&mut [keyboard]) {
keyboard.poll();
}
}
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