simulink can't map matrie to RAM

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Xiaotong
Xiaotong on 10 Dec 2025 at 8:47
Answered: Kiran Kintali on 11 Dec 2025 at 13:14
Hi, i worked on this function block in Simulink and failed to map this persistent matrice to RAM in HDLcoder, and there's no warning coming out of HDLcoder. Thanks in advance for your help!
Here is the function:
function rd_out = Buffer45x45(din, addr_x, addr_y, wr_en, rd_en)
persistent u_d ;
if isempty(u_d)
u_d= false(45,45);
end
reg_rd_out = rd_en && u_d(addr_x,addr_y);
u_d(addr_x,addr_y) = wr_en;
rd_out = reg_rd_out;
display(u_d(1:10, 1:10));
end

Answers (1)

Kiran Kintali
Kiran Kintali on 11 Dec 2025 at 13:14
Hi, Can you please share the model here or reach out to technical support for additional guidance? Thanks

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