#![allow(unused_imports)] use anyhow::*; use log::*; use esp_idf_hal::gpio; use esp_idf_hal::prelude::*; use esp_idf_hal::spi; use esp_idf_hal::{delay, i2c}; use display_interface_spi::SPIInterfaceNoCS; use embedded_graphics::pixelcolor::*; use embedded_graphics::prelude::*; use ili9341; use rustzx_core::zx::video::colors::ZXBrightness; use rustzx_core::zx::video::colors::ZXColor; macro_rules! create { ($peripherals:expr) => {{ let result = display::esp32c3_create_display_ili9341( $peripherals.pins.gpio4, $peripherals.pins.gpio3, $peripherals.pins.gpio18, $peripherals.spi2, $peripherals.pins.gpio6, $peripherals.pins.gpio7, $peripherals.pins.gpio2, ); result }}; } pub(crate) use create; pub(crate) fn esp32c3_create_display_ili9341<'d>( backlight: gpio::Gpio4, dc: gpio::Gpio3, rst: gpio::Gpio18, spi: spi::SPI2, sclk: gpio::Gpio6, sdo: gpio::Gpio7, cs: gpio::Gpio2, ) -> Result< ili9341::Ili9341< SPIInterfaceNoCS< spi::SpiDeviceDriver<'d, spi::SpiDriver<'d> >, gpio::PinDriver<'d, gpio::Gpio3, gpio::Output > >, gpio::PinDriver<'d, gpio::Gpio18, gpio::Output >, >, > { use esp_idf_hal::{spi::SpiDeviceDriver, gpio::OutputPin}; // Kaluga needs customized screen orientation commands // (not a surprise; quite a few ILI9341 boards need these as evidences in the TFT_eSPI & lvgl ESP32 C drivers) // Display orientation: https://cdn-shop.adafruit.com/datasheets/ILI9341.pdf // Page 209 pub enum KalugaOrientation { Portrait, PortraitFlipped, Landscape, LandscapeVericallyFlipped, LandscapeFlipped, } impl ili9341::Mode for KalugaOrientation { fn mode(&self) -> u8 { match self { Self::Portrait => 0, Self::LandscapeVericallyFlipped => 0x20, Self::Landscape => 0x20 | 0x40, Self::PortraitFlipped => 0x80 | 0x40, /* this is used for Wokwi simulation, "| 0x08" is used to invert colors to correct */ Self::LandscapeFlipped => 0x80 | 0x20 | 0x08, } } fn is_landscape(&self) -> bool { matches!( self, Self::Landscape | Self::LandscapeFlipped | Self::LandscapeVericallyFlipped ) } } info!("About to initialize the ESP32C3 ILI9341 SPI LED driver"); let config = ::default().baudrate(40.MHz().into()); //.bit_order(spi::config::BitOrder::MSBFirst); let mut backlight = gpio::PinDriver::output(backlight)?; backlight.set_low()?; let di = SPIInterfaceNoCS::new( spi::SpiDeviceDriver::new_single( spi, sclk, sdo, Option::::None, Some(cs), &spi::config::DriverConfig::default(), &spi::SpiConfig::new().baudrate(40.MHz().into()), )?, gpio::PinDriver::output(dc)?, ); let reset = gpio::PinDriver::output(rst)?; ili9341::Ili9341::new( di, reset, &mut delay::Ets, KalugaOrientation::LandscapeFlipped, ili9341::DisplaySize240x320, ).map_err(|e| anyhow!("Failed to init display")) } pub(crate) fn color_conv(color: ZXColor, _brightness: ZXBrightness) -> Rgb565 { match color { ZXColor::Black => Rgb565::BLACK, ZXColor::Blue => Rgb565::BLUE, ZXColor::Red => Rgb565::RED, ZXColor::Purple => Rgb565::MAGENTA, ZXColor::Green => Rgb565::GREEN, ZXColor::Cyan => Rgb565::CYAN, ZXColor::Yellow => Rgb565::YELLOW, ZXColor::White => Rgb565::WHITE, } }