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Fix simple-receiver example for short frames and row layout #89

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Fix simple-receiver example for short frames and row layout #89

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7 changes: 5 additions & 2 deletions examples/simple-receiver.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -81,12 +81,15 @@ fn display_data(stdout: &mut Stdout, remaining: &Duration, data: &DMXData) {
let cursor_y = y + 1;
queue!(stdout, cursor::MoveTo(0, cursor_y), Print("|")).unwrap();
for x in 0..32 {
let data_index = ((y * 16 + x) + 1) as usize;
// 16 rows of 32 slots shows all 512 slots. Index 0 is the START code, so slots start at 1.
let data_index = ((y * 32 + x) + 1) as usize;
let cursor_x = x * 4 + 1;
// Sources may send fewer than 512 slots; the missing trailing slots are 0.
let value = data.values.get(data_index).copied().unwrap_or(0);
queue!(
stdout,
cursor::MoveTo(cursor_x, cursor_y),
Print(format!("{:03}|", data.values[data_index]))
Print(format!("{value:03}|"))
)
.unwrap();
}
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