129 lines
3.7 KiB
Rust
129 lines
3.7 KiB
Rust
#![no_std]
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#![no_main]
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#![deny(
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clippy::mem_forget,
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reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
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holding buffers for the duration of a data transfer."
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)]
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#![deny(clippy::large_stack_frames)]
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// use embedded_graphics::{pixelcolor::Rgb565, prelude::DrawTarget};
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// use embedded_hal_bus::spi::ExclusiveDevice;
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use esp_hal::{
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clock::CpuClock,
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delay::Delay,
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gpio::{Level, Output, OutputConfig},
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main,
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spi::master::{Config, Spi},
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time::Rate,
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};
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use esp_backtrace as _;
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// use mipidsi::{Builder, interface::SpiInterface, models::ST7789};
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use crate::display::{Color, Display, Position, Rgb565, SetAddressMode};
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// use crate::display::{Color, Display, Position, Rgb565, Rotation};
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extern crate alloc;
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mod display;
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// This creates a default app-descriptor required by the esp-idf bootloader.
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// For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
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esp_bootloader_esp_idf::esp_app_desc!();
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#[allow(
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clippy::large_stack_frames,
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reason = "it's not unusual to allocate larger buffers etc. in main"
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)]
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#[main]
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fn main() -> ! {
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// generator version: 1.3.0
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// generator parameters: --chip esp32 -o esp32-wroom-32e -o alloc -o esp-backtrace -o log -o vscode
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esp_println::logger::init_logger_from_env();
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let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
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let peripherals = esp_hal::init(config);
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// The following pins are used to bootstrap the chip. They are available
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// for use, but check the datasheet of the module for more information on them.
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// - GPIO0
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// - GPIO2
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// - GPIO5
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// - GPIO12
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// - GPIO15
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// These GPIO pins are in use by some feature of the module and should not be used.
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let _ = peripherals.GPIO6;
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let _ = peripherals.GPIO7;
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let _ = peripherals.GPIO8;
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let _ = peripherals.GPIO9;
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let _ = peripherals.GPIO10;
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let _ = peripherals.GPIO11;
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let _ = peripherals.GPIO16;
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let _ = peripherals.GPIO20;
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esp_alloc::heap_allocator!(#[esp_hal::ram(reclaimed)] size: 98768);
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let spi = Spi::new(
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peripherals.SPI2,
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Config::default()
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.with_frequency(Rate::from_mhz(40))
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.with_mode(esp_hal::spi::Mode::_2)
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.with_read_bit_order(esp_hal::spi::BitOrder::MsbFirst)
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.with_write_bit_order(esp_hal::spi::BitOrder::MsbFirst),
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)
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.unwrap()
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.with_sck(peripherals.GPIO5)
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.with_mosi(peripherals.GPIO18)
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.with_miso(peripherals.GPIO19)
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.with_cs(peripherals.GPIO21);
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let rst = Output::new(peripherals.GPIO14, Level::Low, OutputConfig::default());
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let dc = Output::new(peripherals.GPIO32, Level::Low, OutputConfig::default());
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let mut display = Display {
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spi,
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dc,
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rst,
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delay: Delay::new(),
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};
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display.init(SetAddressMode {
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color_order: display::ColorOrder::Bgr,
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..Default::default()
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});
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display.set_tearing(display::TearingMode::Horizontal);
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display.draw_rect(
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Position::new(0, 0),
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Position::new(32, 32),
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Rgb565::yellow().as_color(),
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);
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let test_delay = Delay::new();
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let mut color = 0;
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loop {
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log::info!("Hello world: {}", color);
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color = (color + 50) % 200;
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display.draw_rect(
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Position::new(0, 0),
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Position::new(240, 240),
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Color {
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bytes: [color, color],
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},
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);
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// let delay_start = Instant::now();
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// while delay_start.elapsed() < Duration::from_millis(500) {}
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test_delay.delay_millis(1000);
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}
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// for inspiration have a look at the examples at https://github.com/esp-rs/esp-hal/tree/esp-hal-v1.1.0/examples
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}
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