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#![no_std]
#![no_main]
use defmt::info;
use embassy_executor::Spawner;
use embassy_imxrt::flexcomm::spi::Spi;
use embassy_imxrt::gpio;
use embassy_time::{Delay, Timer};
use embedded_hal_bus::spi::ExclusiveDevice;
use is31fl3743b_driver::{CSy, Is31fl3743b, SWx};
use {defmt_rtt as _, embassy_imxrt_examples as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_imxrt::init(Default::default());
info!("Initializing SPI");
let cs = gpio::Output::new(
p.PIO1_6,
gpio::Level::Low,
gpio::DriveMode::PushPull,
gpio::DriveStrength::Normal,
gpio::SlewRate::Standard,
);
let spi = Spi::new_blocking(p.FLEXCOMM5, p.PIO1_3, p.PIO1_5, p.PIO1_4, Default::default());
let delay = Delay;
// One SPI device only on the SPI bus
let spi_dev = ExclusiveDevice::new(spi, cs, delay).unwrap();
// Instantiate IS31FL3743B device
let mut driver = Is31fl3743b::new(spi_dev).unwrap();
// Enable phase delay to help reduce power noise
let _ = driver.enable_phase_delay();
// Set global current, check method documentation for more info
let _ = driver.set_global_current(90);
let _ = driver.set_led_peak_current_bulk(SWx::SW1, CSy::CS1, &[100; 11 * 18]);
// Driver is fully set up, we can now start turning on LEDs!
// Create a white breathing effect
loop {
for brightness in (0..=255_u8).chain((0..=255).rev()) {
let _ = driver.set_led_brightness_bulk(SWx::SW1, CSy::CS1, &[brightness; 11 * 18]);
Timer::after_micros(1).await;
}
}
}
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