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/* (c) Peter McGoron 2022
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v.2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
module simtop
#(
parameter POLARITY = 0,
parameter PHASE = 0,
parameter WID = 24,
parameter WID_LEN = 5
) (
input clk,
`ifndef SPI_MASTER_NO_WRITE
input [WID-1:0] master_to_slave,
output [WID-1:0] from_master,
`endif
`ifndef SPI_MASTER_NO_READ
input [WID-1:0] slave_to_master,
output [WID-1:0] from_slave,
`endif
input activate,
input ss,
input rdy,
output master_finished,
output err
);
`ifndef SPI_MASTER_NO_READ
wire miso;
`endif
`ifndef SPI_MASTER_NO_WRITE
wire mosi;
`endif
wire sck;
wire ss_L = !ss;
reg slave_finished;
reg slave_error;
`SPI_MASTER_TYPE
#(
.POLARITY(POLARITY),
.PHASE(PHASE),
.WID(WID),
.WID_LEN(WID_LEN)
) master (
.clk(clk),
`ifndef SPI_MASTER_NO_WRITE
.to_slave(master_to_slave),
.mosi(mosi),
`endif
`ifndef SPI_MASTER_NO_READ
.from_slave(from_slave),
.miso(miso),
`endif
.sck_wire(sck),
.finished(master_finished),
.arm(activate)
);
`SPI_SLAVE_TYPE #(
.POLARITY(POLARITY),
.PHASE(PHASE),
.WID(WID),
.WID_LEN(WID_LEN)
) slave (
.clk(clk),
.sck(sck),
.ss_L(ss_L),
`ifndef SPI_MASTER_NO_WRITE
.from_master(from_master),
.mosi(mosi),
`endif
`ifndef SPI_MASTER_NO_READ
.to_master(slave_to_master),
.miso(miso),
`endif
.finished(slave_finished),
.rdy(rdy),
.err(err)
);
endmodule
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