fw-rust: Create a function to clear the screen
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Create a utility function to clear the complete screen.
This commit is contained in:
finga 2022-03-09 19:42:10 +01:00
parent 8b9d21a012
commit 36be6d27bc

View file

@ -5,6 +5,7 @@ use atmega_hal::{
clock::MHz8, clock::MHz8,
delay::Delay, delay::Delay,
pins, pins,
port::{mode::Output, Pin, PB0},
spi::{DataOrder, SerialClockRate, Settings, Spi}, spi::{DataOrder, SerialClockRate, Settings, Spi},
Peripherals, Peripherals,
}; };
@ -67,6 +68,28 @@ static ONDERS_ORG: [[u8; 48]; 2] = [
], ],
]; ];
fn clear_screen(spi: &mut Spi, cd: &mut Pin<Output, PB0>) {
let mut delay = Delay::<MHz8>::new();
for page in 0..8 {
block!(spi.send(0x00)).unwrap();
block!(spi.send(0x10)).unwrap();
block!(spi.send(0xB0 + page)).unwrap();
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
cd.set_high();
for _ in 0..102 {
block!(spi.send(0x00)).unwrap();
}
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
cd.set_low();
}
}
#[atmega_hal::entry] #[atmega_hal::entry]
fn main() -> ! { fn main() -> ! {
interrupt::free(|_cs| { interrupt::free(|_cs| {
@ -154,23 +177,7 @@ fn main() -> ! {
block!(spi.send(0xAF)).unwrap(); // (12) Set Display Enable: Display on block!(spi.send(0xAF)).unwrap(); // (12) Set Display Enable: Display on
// Clear screen // Clear screen
for page in 0..8 { clear_screen(&mut spi, &mut lcd_cd);
block!(spi.send(0x00)).unwrap();
block!(spi.send(0x10)).unwrap();
block!(spi.send(0xB0 + page)).unwrap();
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
lcd_cd.set_high();
for _ in 0..102 {
block!(spi.send(0x00)).unwrap();
}
// TODO: This delay fixes issues, try find a better solution
delay.delay_ms(1_u8);
lcd_cd.set_low();
}
// Draw sacred chao // Draw sacred chao
for (i, page) in SACRED_CHAO.iter().enumerate() { for (i, page) in SACRED_CHAO.iter().enumerate() {