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use embedded_hal::delay::DelayNs;
use crate::{
dcs::{
EnterNormalMode, ExitSleepMode, InterfaceExt, PixelFormat, SetAddressMode, SetDisplayOn,
SetInvertMode, SetPixelFormat,
},
interface::Interface,
options::ModelOptions,
};
/// Common init for all ILI934x controllers and color formats.
pub fn init_common<DELAY, DI>(
di: &mut DI,
delay: &mut DELAY,
options: &ModelOptions,
pixel_format: PixelFormat,
) -> Result<SetAddressMode, DI::Error>
where
DELAY: DelayNs,
DI: Interface,
{
let madctl = SetAddressMode::from(options);
// 15.4: It is necessary to wait 5msec after releasing RESX before sending commands.
// 8.2.2: It will be necessary to wait 5msec before sending new command following software reset.
delay.delay_us(5_000);
di.write_command(madctl)?;
di.write_raw(0xB4, &[0x0])?;
di.write_command(SetInvertMode::new(options.invert_colors))?;
di.write_command(SetPixelFormat::new(pixel_format))?;
di.write_command(EnterNormalMode)?;
// 8.2.12: It will be necessary to wait 120msec after sending Sleep In command (when in Sleep Out mode)
// before Sleep Out command can be sent.
// The reset might have implicitly called the Sleep In command if the controller is reinitialized.
delay.delay_us(120_000);
di.write_command(ExitSleepMode)?;
// 8.2.12: It takes 120msec to become Sleep Out mode after SLPOUT command issued.
// 13.2 Power ON Sequence: Delay should be 60ms + 80ms
delay.delay_us(140_000);
di.write_command(SetDisplayOn)?;
Ok(madctl)
}