📄 tests.v
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/////////////////////////////////////////////////////////////////////
//// ////
//// Test Case Collection ////
//// ////
//// ////
//// Author: Rudolf Usselmann ////
//// rudi@asics.ws ////
//// ////
//// ////
//// Downloaded from: http://www.opencores.org/cores/usb1_funct/////
//// ////
/////////////////////////////////////////////////////////////////////
//// ////
//// Copyright (C) 2000-2002 Rudolf Usselmann ////
//// www.asics.ws ////
//// rudi@asics.ws ////
//// ////
//// This source file may be used and distributed without ////
//// restriction provided that this copyright statement is not ////
//// removed from the file and that any derivative work contains ////
//// the original copyright notice and the associated disclaimer.////
//// ////
//// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY ////
//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED ////
//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ////
//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR ////
//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ////
//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ////
//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE ////
//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR ////
//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ////
//// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ////
//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT ////
//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ////
//// POSSIBILITY OF SUCH DAMAGE. ////
//// ////
/////////////////////////////////////////////////////////////////////
// CVS Log
//
// $Id: tests.v,v 1.1 2002/09/25 06:10:10 rudi Exp $
//
// $Date: 2002/09/25 06:10:10 $
// $Revision: 1.1 $
// $Author: rudi $
// $Locker: $
// $State: Exp $
//
// Change History:
// $Log: tests.v,v $
// Revision 1.1 2002/09/25 06:10:10 rudi
// Added Test Bench
//
//
//
//
//
//
//
task send_setup;
input [7:0] fa;
input [7:0] req_type;
input [7:0] request;
input [15:0] wValue;
input [15:0] wIndex;
input [15:0] wLength;
integer len;
begin
buffer1[0] = req_type;
buffer1[1] = request;
buffer1[3] = wValue[15:8];
buffer1[2] = wValue[7:0];
buffer1[5] = wIndex[15:8];
buffer1[4] = wIndex[7:0];
buffer1[7] = wLength[15:8];
buffer1[6] = wLength[7:0];
buffer1_last = 0;
send_token( fa, // Function Address
0, // Logical Endpoint Number
`USBF_T_PID_SETUP // PID
);
repeat(1) @(posedge clk);
send_data(`USBF_T_PID_DATA0, 8, 1);
// Wait for ACK
utmi_recv_pack(len);
if(8'hd2 !== txmem[0])
begin
$display("ERROR: SETUP: ACK mismatch. Expected: %h, Got: %h (%t)",
8'hd2, txmem[0], $time);
error_cnt = error_cnt + 1;
end
if(len !== 1)
begin
$display("ERROR: SETUP: Length mismatch. Expected: %h, Got: %h (%t)",
8'h1, len, $time);
error_cnt = error_cnt + 1;
end
repeat(1) @(posedge clk);
setup_pid = 1;
repeat(1) @(posedge clk);
end
endtask
task data_in;
input [7:0] fa;
input [7:0] pl_size;
integer rlen;
reg [3:0] pid, expect_pid;
begin
buffer1_last = 0;
repeat(5) @(posedge clk);
send_token( fa, // Function Address
0, // Logical Endpoint Number
`USBF_T_PID_IN // PID
);
recv_packet(pid,rlen);
if(setup_pid) expect_pid = 4'hb; // DATA 1
else expect_pid = 4'h3; // DATA 0
if(pid !== expect_pid)
begin
$display("ERROR: Data IN PID mismatch. Expected: %h, Got: %h (%t)",
expect_pid, pid, $time);
error_cnt = error_cnt + 1;
end
setup_pid = ~setup_pid;
if(rlen != pl_size)
begin
$display("ERROR: Data IN Size mismatch. Expected: %d, Got: %d (%t)",
pl_size, rlen, $time);
error_cnt = error_cnt + 1;
end
for(n=0;n<rlen;n=n+1)
$display("RCV Data[%0d]: %h",n,buffer1[n]);
repeat(5) @(posedge clk);
send_token( fa, // Function Address
0, // Logical Endpoint Number
`USBF_T_PID_ACK // PID
);
repeat(5) @(posedge clk);
end
endtask
task data_out;
input [7:0] fa;
input [7:0] pl_size;
integer len;
begin
send_token( fa, // Function Address
0, // Logical Endpoint Number
`USBF_T_PID_OUT // PID
);
repeat(1) @(posedge clk);
if(setup_pid==0) send_data(`USBF_T_PID_DATA0, pl_size, 1);
else send_data(`USBF_T_PID_DATA1, pl_size, 1);
setup_pid = ~setup_pid;
// Wait for ACK
utmi_recv_pack(len);
if(8'hd2 !== txmem[0])
begin
$display("ERROR: ACK mismatch. Expected: %h, Got: %h (%t)",
8'hd2, txmem[0], $time);
error_cnt = error_cnt + 1;
end
if(len !== 1)
begin
$display("ERROR: SETUP: Length mismatch. Expected: %h, Got: %h (%t)",
8'h1, len, $time);
error_cnt = error_cnt + 1;
end
repeat(5) @(posedge clk);
end
endtask
parameter GET_STATUS = 8'h0,
CLEAR_FEATURE = 8'h1,
SET_FEATURE = 8'h3,
SET_ADDRESS = 8'h5,
GET_DESCRIPTOR = 8'h6,
SET_DESCRIPTOR = 8'h7,
GET_CONFIG = 8'h8,
SET_CONFIG = 8'h9,
GET_INTERFACE = 8'ha,
SET_INTERFACE = 8'hb,
SYNCH_FRAME = 8'hc;
task setup1;
begin
$display("\n\n");
$display("*****************************************************");
$display("*** CTRL ep test 1 ***");
$display("*****************************************************\n");
$display("\n\nSetting Address ...");
send_setup( 8'h0, // Function Address
8'h00, // Request Type
SET_ADDRESS, // Request
16'h012, // wValue
16'h0, // wIndex
16'h0 // wLength
);
// Status OK
data_in( 8'h0, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0100, // wValue
16'h0, // wIndex
16'h8 // wLength
);
data_in( 8'h12, // Function Address
8'd08 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0200, // wValue
16'h0, // wIndex
16'h8 // wLength
);
data_in( 8'h12, // Function Address
8'd08 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0200, // wValue
16'h0, // wIndex
16'd053 // wLength
);
data_in( 8'h12, // Function Address
8'd053 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0300, // wValue
16'h0, // wIndex
16'd04 // wLength
);
data_in( 8'h12, // Function Address
8'd04 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0301, // wValue
16'h0, // wIndex
16'd010 // wLength
);
data_in( 8'h12, // Function Address
8'd010 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0302, // wValue
16'h0, // wIndex
16'd08 // wLength
);
data_in( 8'h12, // Function Address
8'd08 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0303, // wValue
16'h0, // wIndex
16'd016 // wLength
);
data_in( 8'h12, // Function Address
8'd010 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
$display("\n\nGetting descriptor ...");
send_setup( 8'h12, // Function Address
8'h80, // Request Type
GET_DESCRIPTOR, // Request
16'h0203, // wValue
16'h0, // wIndex
16'd053 // wLength
);
data_in( 8'h12, // Function Address
8'd053 // Expected payload size
);
// Status OK
data_out( 8'h12, // Function Address
8'h0 // Expected payload size
);
show_errors;
$display("*****************************************************");
$display("*** Test DONE ... ***");
$display("*****************************************************\n\n");
end
endtask
task msetup;
begin
$display("\n\n");
$display("*****************************************************");
$display("*** My setup test ***");
$display("*****************************************************");
$display("\n\nSetting Address ...");
send_setup( 8'h0, // Function Address
8'h00, // Request Type
SET_ADDRESS, // Request
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