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Update sys.

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This commit is contained in:
Sorgelig
2024-04-21 23:13:01 +08:00
parent 16b743e4bc
commit 5214a07dcf
14 changed files with 1848 additions and 490 deletions
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17
sys/mcp23009.sv
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@ -8,10 +8,12 @@ module mcp23009
output reg [2:0] btn,
input [2:0] led,
output reg sd_cd,
output reg flg_sd_cd,
output reg flg_present,
output reg flg_mode,
output scl,
inout sda
output scl,
inout sda
);
@ -50,7 +52,9 @@ always@(posedge clk) begin
idx <= 0;
btn <= 0;
rw <= 0;
sd_cd <= 1;
flg_sd_cd <= 1;
flg_present <= 0;
flg_mode <= 1;
end
else begin
if(~&init_data[idx]) begin
@ -84,7 +88,10 @@ always@(posedge clk) begin
state <= 0;
rw <= 0;
if(!error) begin
if(rw) {sd_cd, btn} <= {dout[7], dout[5:3]};
if(rw) begin
{flg_sd_cd, flg_mode, btn} <= {dout[7:3]};
flg_present <= 1;
end
rw <= ~rw;
end
end