Waylon Cude
f840d27b8e
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The audio output is still messed up, but this commit gets everything as ready as it can get. Fixed up all the testbenches and added state machines for everything
25 lines
881 B
Plaintext
25 lines
881 B
Plaintext
digraph read_command {
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IDLE [shape="doublecircle",label="IDLE\nreceived_reg=0\nout_data=0\nresponse_type_reg=response_type"]
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node [shape="ellipse"]
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START [label="START\nrecevied_reg=0\ncounter=get_bits(response_type_reg) - 2\ndata_reg=0"]
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LISTEN [label="LISTEN\ndata_reg[0]=sd_cmd"]
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RECEIVING [label="RECEIVING\ncounter--\ndata_reg={data_reg[134:0],sd_cmd}"]
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DONE [label="DONE\nout_data=data_reg\nreceived_reg=1\nreponse_type_reg=response_type"]
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IDLE -> IDLE [label="!listen"]
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IDLE -> START [label="listen"]
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START -> RECEIVING [label="sd_cmd==0"]
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START -> LISTEN [label="sd_cmd!=0"]
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LISTEN -> LISTEN [label="sd_cmd!=0"]
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LISTEN -> RECEIVING [label="sd_cmd==0"]
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RECEIVING -> DONE [label="counter==0"]
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RECEIVING -> RECEIVING [label="counter!=0"]
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DONE -> START [label="listen"]
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DONE -> DONE [label="!listen"]
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}
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