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Rename framebuf

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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
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22
pico-st7789/src/main.rs
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@ -21,6 +21,13 @@ const ROWS: usize = 320;
const COLUMNS: usize = 170; const COLUMNS: usize = 170;
const FRAMEBUF: usize = ROWS * COLUMNS * 3; const FRAMEBUF: usize = ROWS * COLUMNS * 3;
/*
struct Frame {
columns: usize,
buf: [u8; FRAMEBUF],
}
*/
struct Step { struct Step {
param_cnt: usize, param_cnt: usize,
command: u8, command: u8,
@ -220,7 +227,13 @@ unsafe fn main() -> ! {
timer.delay_ms(1000); 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; let mut strength = 0;
loop { loop {
@ -229,12 +242,12 @@ unsafe fn main() -> ! {
let _ = data_command.set_low(); let _ = data_command.set_low();
let _ = spi.write(&[RAMWR]); let _ = spi.write(&[RAMWR]);
let _ = data_command.set_high(); let _ = data_command.set_high();
let _ = spi.write(&framebuf); let _ = spi.write(&frame);
let _ = board_select.set_high(); let _ = board_select.set_high();
for x in 80..90 { for x in 80..90 {
for y in 155..165 { 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 + 0] = color.0 << 2;
framebuf[(y * COLUMNS + x) * 3 + 1] = color.1 << 2; framebuf[(y * COLUMNS + x) * 3 + 1] = color.1 << 2;
framebuf[(y * COLUMNS + x) * 3 + 2] = color.2 << 2; framebuf[(y * COLUMNS + x) * 3 + 2] = color.2 << 2;
} }