Create a small application that controls a dotstar from a raspberry pi pico #254
|
|
@ -350,6 +350,22 @@ version = "1.6.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
|
||||
|
||||
[[package]]
|
||||
name = "bike"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"az",
|
||||
"cortex-m",
|
||||
"cortex-m-rt",
|
||||
"embedded-alloc",
|
||||
"embedded-hal 0.2.7",
|
||||
"fixed",
|
||||
"fugit",
|
||||
"lights-core",
|
||||
"panic-halt 0.2.0",
|
||||
"rp-pico 0.8.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "bindgen"
|
||||
version = "0.69.5"
|
||||
|
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@ -392,6 +408,18 @@ version = "0.10.2"
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|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
|
||||
|
||||
[[package]]
|
||||
name = "bitfield"
|
||||
version = "0.13.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
|
||||
|
||||
[[package]]
|
||||
name = "bitfield"
|
||||
version = "0.14.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2d7e60934ceec538daadb9d8432424ed043a904d8e0243f3c6446bce549a46ac"
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "1.3.2"
|
||||
|
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@ -731,6 +759,38 @@ version = "0.8.7"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
|
||||
|
||||
[[package]]
|
||||
name = "cortex-m"
|
||||
version = "0.7.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ec610d8f49840a5b376c69663b6369e71f4b34484b9b2eb29fb918d92516cb9"
|
||||
dependencies = [
|
||||
"bare-metal",
|
||||
"bitfield 0.13.2",
|
||||
"embedded-hal 0.2.7",
|
||||
"volatile-register",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cortex-m-rt"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee84e813d593101b1723e13ec38b6ab6abbdbaaa4546553f5395ed274079ddb1"
|
||||
dependencies = [
|
||||
"cortex-m-rt-macros",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cortex-m-rt-macros"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f0f6f3e36f203cfedbc78b357fb28730aa2c6dc1ab060ee5c2405e843988d3c7"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 1.0.109",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cpufeatures"
|
||||
version = "0.2.14"
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||||
|
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@ -973,6 +1033,66 @@ dependencies = [
|
|||
"serde 1.0.210",
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||||
]
|
||||
|
||||
[[package]]
|
||||
name = "embedded-alloc"
|
||||
version = "0.5.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ddae17915accbac2cfbc64ea0ae6e3b330e6ea124ba108dada63646fd3c6f815"
|
||||
dependencies = [
|
||||
"critical-section",
|
||||
"linked_list_allocator",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "embedded-dma"
|
||||
version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "994f7e5b5cb23521c22304927195f236813053eb9c065dd2226a32ba64695446"
|
||||
dependencies = [
|
||||
"stable_deref_trait",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "embedded-hal"
|
||||
version = "0.2.7"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "35949884794ad573cf46071e41c9b60efb0cb311e3ca01f7af807af1debc66ff"
|
||||
dependencies = [
|
||||
"nb 0.1.3",
|
||||
"void",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "embedded-hal"
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||||
version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "361a90feb7004eca4019fb28352a9465666b24f840f5c3cddf0ff13920590b89"
|
||||
|
||||
[[package]]
|
||||
name = "embedded-hal-async"
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||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "0c4c685bbef7fe13c3c6dd4da26841ed3980ef33e841cddfa15ce8a8fb3f1884"
|
||||
dependencies = [
|
||||
"embedded-hal 1.0.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "embedded-hal-nb"
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||||
version = "1.0.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "fba4268c14288c828995299e59b12babdbe170f6c6d73731af1b4648142e8605"
|
||||
dependencies = [
|
||||
"embedded-hal 1.0.0",
|
||||
"nb 1.1.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "embedded-io"
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||||
version = "0.6.1"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d"
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|
||||
[[package]]
|
||||
name = "emseries"
|
||||
version = "0.6.0"
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@ -1825,6 +1945,26 @@ dependencies = [
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"crunchy",
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]
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||||
|
||||
[[package]]
|
||||
name = "halloween-leds"
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||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"cortex-m-rt",
|
||||
"embedded-hal 1.0.0",
|
||||
"embedded-io",
|
||||
"panic-halt 1.0.0",
|
||||
"rp-pico 0.9.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hash32"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
|
||||
dependencies = [
|
||||
"byteorder",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.14.5"
|
||||
|
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@ -1874,6 +2014,16 @@ dependencies = [
|
|||
"http 0.2.12",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "heapless"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
|
||||
dependencies = [
|
||||
"hash32",
|
||||
"stable_deref_trait",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "heck"
|
||||
version = "0.4.1"
|
||||
|
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@ -2885,6 +3035,18 @@ dependencies = [
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"system-deps",
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]
|
||||
|
||||
[[package]]
|
||||
name = "panic-halt"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "de96540e0ebde571dc55c73d60ef407c653844e6f9a1e2fdbd40c07b9252d812"
|
||||
|
||||
[[package]]
|
||||
name = "panic-halt"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a513e167849a384b7f9b746e517604398518590a9142f4846a32e3c2a4de7b11"
|
||||
|
||||
[[package]]
|
||||
name = "parking"
|
||||
version = "2.2.1"
|
||||
|
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@ -3587,6 +3749,130 @@ dependencies = [
|
|||
"thiserror",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp-pico"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6341771e6f8e5d130b2b3cbc23435b7847761adf198af09f4b2a60407d43bd56"
|
||||
dependencies = [
|
||||
"cortex-m-rt",
|
||||
"fugit",
|
||||
"rp2040-boot2",
|
||||
"rp2040-hal 0.9.2",
|
||||
"usb-device 0.2.9",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp-pico"
|
||||
version = "0.9.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b9342d3ac7011ac688300979e9b52a81f0add1d05feb02868cf94bfee0705b28"
|
||||
dependencies = [
|
||||
"cortex-m-rt",
|
||||
"fugit",
|
||||
"rp2040-boot2",
|
||||
"rp2040-hal 0.10.2",
|
||||
"usb-device 0.3.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp2040-boot2"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7c92f344f63f950ee36cf4080050e4dce850839b9175da38f9d2ffb69b4dbb21"
|
||||
dependencies = [
|
||||
"crc-any",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp2040-hal"
|
||||
version = "0.9.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1ff2b9ae7e6dd6720fd9f64250c9087260e50fe98b6b032ccca65be3581167ca"
|
||||
dependencies = [
|
||||
"cortex-m",
|
||||
"critical-section",
|
||||
"embedded-dma",
|
||||
"embedded-hal 0.2.7",
|
||||
"frunk",
|
||||
"fugit",
|
||||
"itertools 0.10.5",
|
||||
"nb 1.1.0",
|
||||
"paste",
|
||||
"pio",
|
||||
"rand_core 0.6.4",
|
||||
"rp2040-hal-macros",
|
||||
"rp2040-pac 0.5.0",
|
||||
"usb-device 0.2.9",
|
||||
"vcell",
|
||||
"void",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp2040-hal"
|
||||
version = "0.10.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d11e711940087f2cdff8aeae9f4b902e2014c06a00b39a1092686b81ec973d6f"
|
||||
dependencies = [
|
||||
"bitfield 0.14.0",
|
||||
"cortex-m",
|
||||
"critical-section",
|
||||
"embedded-dma",
|
||||
"embedded-hal 0.2.7",
|
||||
"embedded-hal 1.0.0",
|
||||
"embedded-hal-async",
|
||||
"embedded-hal-nb",
|
||||
"embedded-io",
|
||||
"frunk",
|
||||
"fugit",
|
||||
"itertools 0.10.5",
|
||||
"nb 1.1.0",
|
||||
"paste",
|
||||
"pio",
|
||||
"rand_core 0.6.4",
|
||||
"rp2040-hal-macros",
|
||||
"rp2040-pac 0.6.0",
|
||||
"usb-device 0.3.2",
|
||||
"vcell",
|
||||
"void",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp2040-hal-macros"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "86479063e497efe1ae81995ef9071f54fd1c7427e04d6c5b84cde545ff672a5e"
|
||||
dependencies = [
|
||||
"cortex-m-rt",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 1.0.109",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp2040-pac"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "12d9d8375815f543f54835d01160d4e47f9e2cae75f17ff8f1ec19ce1da96e4c"
|
||||
dependencies = [
|
||||
"cortex-m",
|
||||
"cortex-m-rt",
|
||||
"critical-section",
|
||||
"vcell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rp2040-pac"
|
||||
version = "0.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "83cbcd3f7a0ca7bbe61dc4eb7e202842bee4e27b769a7bf3a4a72fa399d6e404"
|
||||
dependencies = [
|
||||
"cortex-m",
|
||||
"cortex-m-rt",
|
||||
"critical-section",
|
||||
"vcell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rsa"
|
||||
version = "0.9.6"
|
||||
|
|
@ -4781,6 +5067,22 @@ version = "2.1.3"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
|
||||
|
||||
[[package]]
|
||||
name = "usb-device"
|
||||
version = "0.2.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1f6cc3adc849b5292b4075fc0d5fdcf2f24866e88e336dd27a8943090a520508"
|
||||
|
||||
[[package]]
|
||||
name = "usb-device"
|
||||
version = "0.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "98816b1accafbb09085168b90f27e93d790b4bfa19d883466b5e53315b5f06a6"
|
||||
dependencies = [
|
||||
"heapless",
|
||||
"portable-atomic",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "utf-8"
|
||||
version = "0.7.6"
|
||||
|
|
|
|||
|
|
@ -32,5 +32,5 @@ members = [
|
|||
"sgf",
|
||||
"timezone-testing",
|
||||
"tree",
|
||||
"visions/server", "gm-dash/server",
|
||||
"visions/server", "gm-dash/server", "halloween-leds"
|
||||
]
|
||||
|
|
|
|||
|
|
@ -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"
|
||||
|
|
@ -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"
|
||||
|
|
@ -0,0 +1,125 @@
|
|||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
/// This application demonstrates using a Raspberry Pi Pico to control an individual SK9822 module.
|
||||
/// Keep in mind that the Pico, though it accepts 5V for power, it runs on 3.3V logic. The GPIO
|
||||
/// pins will emit only 3.3 volts, and the SK9822 needs 5V logic. So, make sure that the GPIO pins
|
||||
/// run through a transistor or a logic level lhifter to go from 3.3V logic to 5V logic.
|
||||
use embedded_hal::{delay::DelayNs, spi::SpiBus};
|
||||
use panic_halt as _;
|
||||
use rp_pico::{
|
||||
entry,
|
||||
hal::{
|
||||
clocks::init_clocks_and_plls,
|
||||
fugit::RateExtU32,
|
||||
gpio::{
|
||||
bank0::{Gpio10, Gpio11},
|
||||
FunctionSpi, Pin, PullDown,
|
||||
},
|
||||
spi::Spi,
|
||||
Clock, Sio, Timer, Watchdog,
|
||||
},
|
||||
pac, Pins,
|
||||
};
|
||||
|
||||
const FPS: u32 = 60;
|
||||
const MS_PER_FRAME: u32 = 1000 / FPS;
|
||||
const XOSC_CRYSTAL_FREQ: u32 = 12_000_000; // MHz, https://forums.raspberrypi.com/viewtopic.php?t=356764
|
||||
|
||||
#[entry]
|
||||
unsafe fn main() -> ! {
|
||||
// rp_pico::pac::Peripherals is a reference to physical hardware defined on the Pico.
|
||||
let mut peripherals = pac::Peripherals::take().unwrap();
|
||||
|
||||
// SIO inidcates "Single Cycle IO". I don't know what this means, but it could mean that this
|
||||
// is a class of IO operations that can be run in a single clock cycle, such as switching a
|
||||
// GPIO pin on or off.
|
||||
let sio = Sio::new(peripherals.SIO);
|
||||
|
||||
// Many of the following systems require a watchdog. I do not know what this does, either, but
|
||||
// it may be some failsafe software that will reset operations if the watchdog detects a lack
|
||||
// of activity.
|
||||
let mut watchdog = Watchdog::new(peripherals.WATCHDOG);
|
||||
|
||||
// Here we grab the GPIO pins in bank 0.
|
||||
let pins = Pins::new(
|
||||
peripherals.IO_BANK0,
|
||||
peripherals.PADS_BANK0,
|
||||
sio.gpio_bank0,
|
||||
&mut peripherals.RESETS,
|
||||
);
|
||||
|
||||
// Initialize an abstraction of the clock system with a batch of standard hardware clocks.
|
||||
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();
|
||||
|
||||
// An abstraction for a timer which we can use to delay the code.
|
||||
let mut timer = Timer::new(peripherals.TIMER, &mut peripherals.RESETS, &clocks);
|
||||
|
||||
// Grab the clock and data pins for SPI1. For Clock pins and for Data pins, there are only two
|
||||
// pins each on the Pico which can function for SPI1.
|
||||
let spi_clk: Pin<Gpio10, FunctionSpi, PullDown> = pins.gpio10.into_function();
|
||||
let spi_sdo: Pin<Gpio11, FunctionSpi, PullDown> = pins.gpio11.into_function();
|
||||
|
||||
// Now, create the SPI function abstraction for SPI1 with spi_clk and spi_sdo.
|
||||
let mut spi = Spi::<_, _, _, 8>::new(peripherals.SPI1, (spi_sdo, spi_clk)).init(
|
||||
&mut peripherals.RESETS,
|
||||
// The SPI system uses the peripheral clock
|
||||
clocks.peripheral_clock.freq(),
|
||||
// Transmit data at a rate of 1Mbit.
|
||||
1_u32.MHz(),
|
||||
// Run with SPI Mode 1. This means that the clock line should start high and that data will
|
||||
// be sampled starting at the first falling edge.
|
||||
embedded_hal::spi::MODE_1,
|
||||
);
|
||||
|
||||
// byte count: 4 for the start frame
|
||||
// 1 * 4 for three lights with 4 bytes per light
|
||||
// 4 for the end frame
|
||||
// = 20 bytes
|
||||
let mut lights: [u8; 12] = [0; 12];
|
||||
// We just skip the first four bytes, because the start frame is four bytes of 0.
|
||||
|
||||
// Set the first byte of the one and only lamp. The first byte follows the pattern of three 1
|
||||
// bits followed by five additional bits that indicate an overall brightness level of the
|
||||
// pixel. The datasheet for the SK9822 doesn't specify the exact effect, but it does mean that
|
||||
// the higher this number is, the brighter 255 means for an given LED in the array. 1 is the
|
||||
// lowest brightness that emits light, and 31 is the highest supported brightness.
|
||||
lights[4] = 0xe0 + 1;
|
||||
// Set the Blue light of the dotstar to 255, assuming the dotstar frame format is RBG. Note
|
||||
// that the standard SK9822 datasheed indicates that the format is BGR. Your mileage may vary.
|
||||
lights[6] = 255;
|
||||
|
||||
// The end frame is four bytes of 255.
|
||||
lights[8] = 0xff;
|
||||
lights[9] = 0xff;
|
||||
lights[10] = 0xff;
|
||||
lights[11] = 0xff;
|
||||
|
||||
|
||||
// The rest of this is just a stock pulsating animation which is slightly brightening and
|
||||
// dimming the *blue* LED (on my set of dotstars).
|
||||
let mut brightness = 1;
|
||||
let mut step = 1;
|
||||
loop {
|
||||
if brightness == 64 && step == 1 {
|
||||
step = -1;
|
||||
} else if brightness == 1 && step == -1 {
|
||||
step = 1;
|
||||
};
|
||||
lights[5] = brightness as u8;
|
||||
brightness = brightness + step;
|
||||
|
||||
let _ = spi.write(lights.as_slice());
|
||||
timer.delay_ms(MS_PER_FRAME);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue