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Altera_Forum's avatar
Altera_Forum
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10 years ago

image read in vhdl

i want to read an image (or preferably a matrix of size 8x8) pixel by pixel in one clock cycle(if rising edge then read one pixel in 2nd rising edge 2nd pixel)....thanks in advance
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

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Why bother declaring row_pixel at all? its just an array of length 1, why not just return an integer?

Why are you using an inout for output? this is bad practice

the error is here:

for i in 0 to 3 loop

ret_pixel(i) := row1(pixel, i);

end loop;

ret_pixel is a row_pixel type with a range 0 to 0. Your loop is going out of range.

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what should i write if i have to extract each value from the row (output) in each clock cycle....