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use display_interface::{DataFormat, WriteOnlyDataCommand};
use embedded_graphics_core::{
pixelcolor::{Rgb565, Rgb666},
prelude::{IntoStorage, RgbColor},
};
use embedded_hal::{blocking::delay::DelayUs, digital::v2::OutputPin};
use crate::{error::InitError, instruction::Instruction, Builder, Error, ModelOptions};
use super::{write_command, Model};
pub struct ILI9486Rgb565;
pub struct ILI9486Rgb666;
impl Model for ILI9486Rgb565 {
type ColorFormat = Rgb565;
fn init<RST, DELAY, DI>(
&mut self,
di: &mut DI,
delay: &mut DELAY,
options: &ModelOptions,
rst: &mut Option<RST>,
) -> Result<u8, InitError<RST::Error>>
where
RST: OutputPin,
DELAY: DelayUs<u32>,
DI: WriteOnlyDataCommand,
{
match rst {
Some(ref mut rst) => self.hard_reset(rst, delay)?,
None => write_command(di, Instruction::SWRESET, &[])?,
}
delay.delay_us(120_000);
let colmod = 0b0101_0101; Ok(init_common(di, delay, options, colmod)?)
}
fn write_pixels<DI, I>(&mut self, di: &mut DI, colors: I) -> Result<(), Error>
where
DI: WriteOnlyDataCommand,
I: IntoIterator<Item = Self::ColorFormat>,
{
write_command(di, Instruction::RAMWR, &[])?;
let mut iter = colors.into_iter().map(|c| c.into_storage());
let buf = DataFormat::U16BEIter(&mut iter);
di.send_data(buf)
}
fn default_options() -> ModelOptions {
ModelOptions::with_sizes((320, 480), (320, 480))
}
}
impl Model for ILI9486Rgb666 {
type ColorFormat = Rgb666;
fn init<RST, DELAY, DI>(
&mut self,
di: &mut DI,
delay: &mut DELAY,
options: &ModelOptions,
rst: &mut Option<RST>,
) -> Result<u8, InitError<RST::Error>>
where
RST: OutputPin,
DELAY: DelayUs<u32>,
DI: WriteOnlyDataCommand,
{
match rst {
Some(ref mut rst) => self.hard_reset(rst, delay)?,
None => write_command(di, Instruction::SWRESET, &[])?,
};
delay.delay_us(120_000);
let colmod = 0b0110_0110; Ok(init_common(di, delay, options, colmod)?)
}
fn write_pixels<DI, I>(&mut self, di: &mut DI, colors: I) -> Result<(), Error>
where
DI: WriteOnlyDataCommand,
I: IntoIterator<Item = Self::ColorFormat>,
{
write_command(di, Instruction::RAMWR, &[])?;
let mut iter = colors.into_iter().flat_map(|c| {
let red = c.r() << 2;
let green = c.g() << 2;
let blue = c.b() << 2;
[red, green, blue]
});
let buf = DataFormat::U8Iter(&mut iter);
di.send_data(buf)
}
fn default_options() -> ModelOptions {
ModelOptions::with_sizes((320, 480), (320, 480))
}
}
impl<DI> Builder<DI, ILI9486Rgb565>
where
DI: WriteOnlyDataCommand,
{
pub fn ili9486_rgb565(di: DI) -> Self {
Self::with_model(di, ILI9486Rgb565)
}
}
impl<DI> Builder<DI, ILI9486Rgb666>
where
DI: WriteOnlyDataCommand,
{
pub fn ili9486_rgb666(di: DI) -> Self {
Self::with_model(di, ILI9486Rgb666)
}
}
fn init_common<DELAY, DI>(
di: &mut DI,
delay: &mut DELAY,
options: &ModelOptions,
colmod: u8,
) -> Result<u8, Error>
where
DELAY: DelayUs<u32>,
DI: WriteOnlyDataCommand,
{
let madctl = options.madctl();
write_command(di, Instruction::SLPOUT, &[])?; write_command(di, Instruction::COLMOD, &[colmod])?; write_command(di, Instruction::MADCTL, &[madctl])?; write_command(di, Instruction::VCMOFSET, &[0x00, 0x48, 0x00, 0x48])?; write_command(di, Instruction::INVCO, &[0x0])?; write_command(di, options.invert_command(), &[])?; write_command(di, Instruction::DFC, &[0b0000_0010, 0x02, 0x3B])?;
write_command(di, Instruction::NORON, &[])?; write_command(di, Instruction::DISPON, &[])?; delay.delay_us(120_000);
Ok(madctl)
}