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This commit is contained in:
David Haig 2024-06-28 18:17:17 +01:00
parent 79f00e54cc
commit 6edf7b4688
2 changed files with 29 additions and 34 deletions
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21
embassy-stm32/src/ltdc.rs
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@ -2,18 +2,19 @@
//! See ST application note AN4861: Introduction to LCD-TFT display controller (LTDC) on STM32 MCUs for high level details
//! This module was tested against the stm32h735g-dk using the RM0468 ST reference manual for detailed register information
use crate::{
gpio::{AfType, OutputType, Speed},
interrupt::{self, typelevel::Interrupt},
peripherals, rcc, Peripheral,
};
use core::{future::poll_fn, marker::PhantomData, task::Poll};
use core::future::poll_fn;
use core::marker::PhantomData;
use core::task::Poll;
use embassy_hal_internal::{into_ref, PeripheralRef};
use embassy_sync::waitqueue::AtomicWaker;
use stm32_metapac::ltdc::{
regs::Dccr,
vals::{Bf1, Bf2, Cfuif, Clif, Crrif, Cterrif, Pf, Vbr},
};
use stm32_metapac::ltdc::regs::Dccr;
use stm32_metapac::ltdc::vals::{Bf1, Bf2, Cfuif, Clif, Crrif, Cterrif, Pf, Vbr};
use crate::gpio::{AfType, OutputType, Speed};
use crate::interrupt::typelevel::Interrupt;
use crate::interrupt::{self};
use crate::{peripherals, rcc, Peripheral};
static LTDC_WAKER: AtomicWaker = AtomicWaker::new();

42
examples/stm32h735/src/bin/ltdc.rs
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@ -11,22 +11,18 @@
use bouncy_box::BouncyBox;
use defmt::{info, unwrap};
use embassy_executor::Spawner;
use embassy_stm32::{
bind_interrupts,
gpio::{Level, Output, Speed},
ltdc::{self, Ltdc, LtdcConfiguration, LtdcLayer, LtdcLayerConfig, PolarityActive, PolarityEdge},
peripherals,
};
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_stm32::ltdc::{self, Ltdc, LtdcConfiguration, LtdcLayer, LtdcLayerConfig, PolarityActive, PolarityEdge};
use embassy_stm32::{bind_interrupts, peripherals};
use embassy_time::{Duration, Timer};
use embedded_graphics::{
draw_target::DrawTarget,
geometry::{OriginDimensions, Point, Size},
image::Image,
pixelcolor::{raw::RawU24, Rgb888},
prelude::*,
primitives::Rectangle,
Pixel,
};
use embedded_graphics::draw_target::DrawTarget;
use embedded_graphics::geometry::{OriginDimensions, Point, Size};
use embedded_graphics::image::Image;
use embedded_graphics::pixelcolor::raw::RawU24;
use embedded_graphics::pixelcolor::Rgb888;
use embedded_graphics::prelude::*;
use embedded_graphics::primitives::Rectangle;
use embedded_graphics::Pixel;
use heapless::{Entry, FnvIndexMap};
use tinybmp::Bmp;
use {defmt_rtt as _, panic_probe as _};
@ -100,7 +96,7 @@ async fn main(spawner: Spawner) {
// enable the bottom layer with a 256 color lookup table
ltdc.init_layer(&layer_config, Some(&clut));
// Safety: the DoubleBuffer controls access to the statically allocated frame buffers
// and it is the only thing that mutates their content
let mut double_buffer = DoubleBuffer::new(
@ -283,12 +279,9 @@ impl OriginDimensions for DoubleBuffer {
mod rcc_setup {
use embassy_stm32::{rcc::*, Peripherals};
use embassy_stm32::{
rcc::{Hse, HseMode},
time::Hertz,
Config,
};
use embassy_stm32::rcc::{Hse, HseMode, *};
use embassy_stm32::time::Hertz;
use embassy_stm32::{Config, Peripherals};
/// Sets up clocks for the stm32h735g mcu
/// change this if you plan to use a different microcontroller
@ -359,12 +352,13 @@ mod rcc_setup {
config.rcc.apb2_pre = APBPrescaler::DIV2;
config.rcc.apb3_pre = APBPrescaler::DIV2;
config.rcc.apb4_pre = APBPrescaler::DIV2;
embassy_stm32::init(config)
embassy_stm32::init(config)
}
}
mod bouncy_box {
use embedded_graphics::{geometry::Point, primitives::Rectangle};
use embedded_graphics::geometry::Point;
use embedded_graphics::primitives::Rectangle;
enum Direction {
DownLeft,