mirror of https://github.com/m-labs/artiq.git
grabber: fix frame size off-by-1
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ec62eb9373
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@ -134,8 +134,12 @@ pub fn tick() {
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if clock_pattern_ok(g) {
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let last_xy = get_last_pixels(g);
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if last_xy != unsafe { INFO[g].frame_size } {
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// x capture is on ~LVAL which is after
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// the last increment on DVAL
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// y capture is on ~FVAL which coincides with the
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// last increment on ~LVAL
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info!("grabber{} frame size: {}x{}",
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g, last_xy.0 + 1, last_xy.1 + 1);
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g, last_xy.0, last_xy.1 + 1);
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unsafe { INFO[g].frame_size = last_xy }
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}
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State::Watch
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@ -89,14 +89,16 @@ class Parser(Module, AutoCSR):
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pix.x.eq(pix.x + 1),
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),
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If(~lval,
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If(last_lval, last_x.eq(pix.x)),
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pix.x.eq(0),
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If(last_fval & last_lval,
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If(last_lval,
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last_x.eq(pix.x),
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pix.y.eq(pix.y + 1)
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)
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),
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pix.x.eq(0)
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),
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If(~fval,
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If(last_fval, last_y.eq(pix.y)),
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If(last_fval,
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last_y.eq(pix.y)
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),
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pix.y.eq(0)
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)
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]
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