Bare-bones control of the first 30 leds

This commit is contained in:
Savanni D'Gerinel 2024-11-02 13:17:50 -04:00
parent 3e297a5986
commit 1601d2d806
5 changed files with 429 additions and 1 deletions

302
Cargo.lock generated
View File

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@ -1825,6 +1945,26 @@ dependencies = [
"crunchy",
]
[[package]]
name = "halloween-leds"
version = "0.1.0"
dependencies = [
"cortex-m-rt",
"embedded-hal 1.0.0",
"embedded-io",
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@ -1874,6 +2014,16 @@ dependencies = [
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@ -2885,6 +3035,18 @@ dependencies = [
"system-deps",
]
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@ -3587,6 +3749,130 @@ dependencies = [
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View File

@ -32,5 +32,5 @@ members = [
"sgf",
"timezone-testing",
"tree",
"visions/server", "gm-dash/server",
"visions/server", "gm-dash/server", "halloween-leds"
]

View File

@ -0,0 +1,12 @@
[build]
target = "thumbv6m-none-eabi"
[target.thumbv6m-none-eabi]
rustflags = [
"-C", "link-arg=--nmagic",
"-C", "link-arg=-Tlink.x",
"-C", "llvm-args=--inline-threshold=5",
"-C", "no-vectorize-loops",
]
runner = "elf2uf2-rs -d"

11
halloween-leds/Cargo.toml Normal file
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@ -0,0 +1,11 @@
[package]
name = "halloween-leds"
version = "0.1.0"
edition = "2021"
[dependencies]
cortex-m-rt = "0.7.3"
embedded-hal = "1.0.0"
embedded-io = "0.6.1"
panic-halt = "1.0.0"
rp-pico = "0.9.0"

103
halloween-leds/src/main.rs Normal file
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@ -0,0 +1,103 @@
#![no_main]
#![no_std]
use embedded_hal::{delay::DelayNs, digital::OutputPin};
use embedded_hal::spi::SpiBus;
use panic_halt as _;
use rp_pico::hal::gpio::bank0::Gpio0;
use rp_pico::{
entry,
hal::{
clocks::init_clocks_and_plls,
fugit::RateExtU32,
gpio::{
bank0::{Gpio2, Gpio4},
FunctionSio, Pin, PullDown, SioOutput,
},
spi::{Enabled, Spi, SpiDevice, ValidSpiPinout},
uart::{DataBits, StopBits, UartConfig, UartPeripheral},
Clock, Sio, Timer, Watchdog,
},
pac, Pins,
};
const XOSC_CRYSTAL_FREQ: u32 = 12_000_000; // MHz, https://forums.raspberrypi.com/viewtopic.php?t=356764
#[entry]
unsafe fn main() -> ! {
let mut peripherals = pac::Peripherals::take().unwrap();
let sio = Sio::new(peripherals.SIO);
let mut watchdog = Watchdog::new(peripherals.WATCHDOG);
let pins = Pins::new(
peripherals.IO_BANK0,
peripherals.PADS_BANK0,
sio.gpio_bank0,
&mut peripherals.RESETS,
);
let clocks = init_clocks_and_plls(
XOSC_CRYSTAL_FREQ,
peripherals.XOSC,
peripherals.CLOCKS,
peripherals.PLL_SYS,
peripherals.PLL_USB,
&mut peripherals.RESETS,
&mut watchdog,
)
.ok()
.unwrap();
// let mut power_light: Pin<Gpio0, FunctionSio<SioOutput>, PullDown> = pins.gpio0.into_function();
// power_light.set_high();
let mut timer = Timer::new(peripherals.TIMER, &mut peripherals.RESETS, &clocks);
let spi_clk = pins.gpio10.into_function();
let spi_sdo = pins.gpio11.into_function();
let spi = Spi::<_, _, _, 8>::new(peripherals.SPI1, (spi_sdo, spi_clk));
let mut spi = spi.init(
&mut peripherals.RESETS,
clocks.peripheral_clock.freq(),
1_u32.MHz(),
embedded_hal::spi::MODE_1,
);
let mut lights: [u8; 126] = [0; 126];
lights[124] = 0xff;
lights[125] = 0xff;
for i in 0..30 {
lights[(i + 1) * 4 + 0] = 0xe0 + 1;
lights[(i + 1) * 4 + 1] = 255;
}
let mut brightness = 1;
let mut step = 1;
loop {
if brightness == 255 && step == 1 {
step = -1;
} else if brightness == 1 && step == -1 {
step = 1;
};
for i in 0..30 {
lights[(i + 1) * 4 + 3] = brightness as u8;
}
brightness = brightness + step;
spi.write(lights.as_slice());
timer.delay_ms(10);
}
/*
let pins = (pins.gpio0.into_function(), pins.gpio1.into_function());
let uart = UartPeripheral::new(peripherals.UART0, pins, &mut peripherals.RESETS)
.enable(
UartConfig::new(9600_u32.Hz(), DataBits::Eight, None, StopBits::One),
clocks.peripheral_clock.freq(),
)
.unwrap();
loop {
uart.write_full_blocking(b"Hello World!\r\n");
timer.delay_ms(1000);
}
*/
}