savanni/monorepo
1
0
Fork 0
Code Issues 94 Pull Requests Projects 6 Releases Wiki Activity

Rename framebuf

Browse Source
This commit is contained in:
Savanni D'Gerinel 2025-02-27 08:50:57 -05:00
parent f004aa3514
commit a69a864dca
1 changed files with 17 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
pico-st7789/src/main.rs
View File

@ -21,6 +21,13 @@ const ROWS: usize = 320;
const COLUMNS: usize = 170;
const FRAMEBUF: usize = ROWS * COLUMNS * 3;
/*
struct Frame {
columns: usize,
buf: [u8; FRAMEBUF],
}
*/
struct Step {
param_cnt: usize,
command: u8,
@ -220,7 +227,13 @@ unsafe fn main() -> ! {
timer.delay_ms(1000);
let mut framebuf: [u8; FRAMEBUF] = [0; FRAMEBUF];
let mut frame: [u8; FRAMEBUF] = [0; FRAMEBUF];
/*
let mut frame = Frame {
columns: COLUMNS,
buf: [0; FRAMEBUF],
};
*/
let mut strength = 0;
loop {
@ -229,12 +242,12 @@ unsafe fn main() -> ! {
let _ = data_command.set_low();
let _ = spi.write(&[RAMWR]);
let _ = data_command.set_high();
let _ = spi.write(&framebuf);
let _ = spi.write(&frame);
let _ = board_select.set_high();
for x in 80..90 {
for y in 155..165 {
write_pixel(&mut framebuf, x, y, (0, 0, 63));
write_pixel(&mut frame, x, y, (0, 0, 63));
}
}
@ -245,9 +258,8 @@ unsafe fn main() -> ! {
}
}
fn write_pixel(framebuf: &mut[u8], x: usize, y: usize, color: (u8, u8, u8)) {
fn write_pixel(framebuf: &mut [u8], x: usize, y: usize, color: (u8, u8, u8)) {
framebuf[(y * COLUMNS + x) * 3 + 0] = color.0 << 2;
framebuf[(y * COLUMNS + x) * 3 + 1] = color.1 << 2;
framebuf[(y * COLUMNS + x) * 3 + 2] = color.2 << 2;
}