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- module FifoCtrl (
- input ToFifoTxWriteVal_i,
- input ToFifoTxReadVal_i,
- input ToFifoRxWriteVal_i,
- input ToFifoRxReadVal_i,
- input FifoTxFull_i,
- input FifoTxEmpty_i,
- input FifoRxFull_i,
- input FifoRxEmpty_i,
- input FifoTxWrClock_i,
- input FifoTxRdClock_i,
- input FifoRxWrClock_i,
- input FifoRxRdClock_i,
- output FifoTxWriteEn_o,
- output FifoTxReadEn_o,
- output FifoRxWriteEn_o,
- output FifoRxReadEn_o
- );
- reg FifoTxWriteEn;
- reg FifoTxReadEn;
- reg FifoRxWriteEn;
- reg FifoRxReadEn;
- // //================================================================================
- // // ASSIGNMENTS
- assign FifoTxWriteEn_o = FifoTxWriteEn;
- assign FifoTxReadEn_o = FifoTxReadEn;
- assign FifoRxWriteEn_o = FifoRxWriteEn;
- assign FifoRxReadEn_o = FifoRxReadEn;
- // //================================================================================
- always @(posedge FifoTxWrClock_i) begin
- if (ToFifoTxWriteVal_i && !FifoTxFull_i) begin
- FifoTxWriteEn <= 1'b1;
- end
- else begin
- FifoTxWriteEn <= 1'b0;
- end
- end
- always @(posedge FifoTxRdClock_i ) begin
- if (ToFifoTxReadVal_i && !FifoTxEmpty_i) begin
- FifoTxReadEn <= 1'b1;
- end
- else begin
- FifoTxReadEn <= 1'b0;
- end
- end
- always @(posedge FifoRxWrClock_i) begin
- if (ToFifoRxWriteVal_i && !FifoRxFull_i) begin
- FifoRxWriteEn <= 1'b1;
- end
- else begin
- FifoRxWriteEn <= 1'b0;
- end
- end
- always @(posedge FifoRxRdClock_i) begin
- if (ToFifoRxReadVal_i && !FifoRxEmpty_i) begin
- FifoRxReadEn <= 1'b1;
- end
- else begin
- FifoRxReadEn <= 1'b0;
- end
- end
- // //================================================================================
- endmodule
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