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[/] [usb11/] [trunk/] [bench/] [systemc/] [usb_ocp_test.cpp] - Blame information for rev 5

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1 2 alfoltran 
/////////////////////////////////////////////////////////////////////
2 
////                                                             ////
3 
////  USB 1.1 Top Level Test Bench                               ////
4 
////                                                             ////
5 
////  SystemC Version: usb_test.cpp                              ////
6 
////  Author: Alfredo Luiz Foltran Fialho                        ////
7 
////          alfoltran@ig.com.br                                ////
8 
////                                                             ////
9 
////                                                             ////
10 
/////////////////////////////////////////////////////////////////////
11 
////                                                             ////
12 
//// Verilog Version: test_bench_top.v + tests.v + tests_lib.v   ////
13 
//// Copyright (C) 2000-2002 Rudolf Usselmann                    ////
14 
////                         www.asics.ws                        ////
15 
////                         rudi@asics.ws                       ////
16 
////                                                             ////
17 
//// This source file may be used and distributed without        ////
18 
//// restriction provided that this copyright statement is not   ////
19 
//// removed from the file and that any derivative work contains ////
20 
//// the original copyright notice and the associated disclaimer.////
21 
////                                                             ////
22 
////     THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY     ////
23 
//// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   ////
24 
//// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS   ////
25 
//// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR      ////
26 
//// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,         ////
27 
//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    ////
28 
//// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE   ////
29 
//// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR        ////
30 
//// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF  ////
31 
//// LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT  ////
32 
//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT  ////
33 
//// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE         ////
34 
//// POSSIBILITY OF SUCH DAMAGE.                                 ////
35 
////                                                             ////
36 
/////////////////////////////////////////////////////////////////////
37 
 
38 
#include <stdlib.h>
39 
#include <time.h>
40 
#include "systemc.h"
41 
#include "usb_defines.h"
42 
#include "usb_phy.h"
43 
#include "usb_ocp.h"
44 
 
45 
#define VCD_OUTPUT_ENABLE
46 
//#define WIF_OUTPUT_ENABLE
47 
 
48 
SC_MODULE(test) {
49 
        sc_in<bool>                     clk, clk2;
50 
        sc_out<bool>            rst;
51 
        sc_in<bool>                     txdp;
52 
        sc_in<bool>                     txdn;
53 
        sc_out<bool>            rxdp;
54 
        sc_out<bool>            rxdn;
55 
        sc_out<sc_uint<8> >     dout;
56 
        sc_out<bool>            tx_valid;
57 
        sc_in<bool>                     tx_ready;
58 
        sc_in<sc_uint<8> >      din;
59 
        sc_in<bool>                     rx_valid;
60 
        sc_in<bool>                     rx_active;
61 
        sc_in<bool>                     rx_error;
62 
 
63 
        sc_in<bool>                     txdp2;
64 
        sc_in<bool>                     txdn2;
65 
        sc_out<bool>            rxdp2;
66 
        sc_out<bool>            rxdn2;
67 
        sc_in<bool>                     s_int;
68 
        sc_in<sc_uint<8> >      s_flag;
69 
        sc_in<bool>                     s_error;
70 
        sc_out<sc_uint<32> >m_addr;
71 
        sc_out<sc_uint<3> >     m_cmd;
72 
        sc_out<sc_uint<8> >     m_data;
73 
        sc_in<bool>                     s_cmd_accept;
74 
        sc_in<sc_uint<8> >      s_data;
75 
        sc_in<sc_uint<2> >      s_resp;
76 
 
77 
        // Signals
78 
 
79 
        sc_signal<bool>                 usb_reset;
80 
        sc_signal<sc_uint<32> > wd_cnt;
81 
        sc_signal<bool> setup_pid;
82 
 
83 
        // Local Vars
84 
 
85 
        sc_uint<8> txmem[2049];
86 
        sc_uint<8> buffer0[16385];
87 
        sc_uint<8> buffer1[16385];
88 
        sc_uint<8> buffer1_last;
89 
        int error_cnt;
90 
        int i;
91 
 
92 
/////////////////////////////////////////////////////////////////////
93 
////                                                             ////
94 
////              Test Bench Library                             ////
95 
////                                                             ////
96 
/////////////////////////////////////////////////////////////////////
97 
 
98 
void show_errors(void) {
99 
        cout << "+----------------------+" << endl;
100 
        cout << "| TOTAL ERRORS: " << error_cnt << endl;
101 
        cout << "+----------------------+" << endl << endl;
102 
}
103 
 
104 
sc_uint<5> crc5(sc_uint<5> crc_in, sc_uint<11> din) {
105 
        sc_uint<5> crc_out;
106 
 
107 
        crc_out[0] = din[10] ^ din[9] ^ din[6] ^ din[5] ^ din[3] ^
108 
                        din[0] ^ crc_in[0] ^ crc_in[3] ^ crc_in[4];
109 
        crc_out[1] = din[10] ^ din[7] ^ din[6] ^ din[4] ^ din[1] ^
110 
                        crc_in[0] ^ crc_in[1] ^ crc_in[4];
111 
        crc_out[2] = din[10] ^ din[9] ^ din[8] ^ din[7] ^ din[6] ^
112 
                        din[3] ^ din[2] ^ din[0] ^ crc_in[0] ^
113 
                        crc_in[1] ^ crc_in[2] ^ crc_in[3] ^ crc_in[4];
114 
        crc_out[3] = din[10] ^ din[9] ^ din[8] ^ din[7] ^ din[4] ^
115 
                        din[3] ^ din[1] ^ crc_in[1] ^ crc_in[2] ^
116 
                        crc_in[3] ^ crc_in[4];
117 
        crc_out[4] = din[10] ^ din[9] ^ din[8] ^ din[5] ^ din[4] ^
118 
                        din[2] ^ crc_in[2] ^ crc_in[3] ^ crc_in[4];
119 
 
120 
        return crc_out;
121 
}
122 
 
123 
sc_uint<16> crc16(sc_uint<16> crc_in, sc_uint<8> din) {
124 
        sc_uint<16> crc_out;
125 
 
126 
        crc_out[0] = din[7] ^ din[6] ^ din[5] ^ din[4] ^ din[3] ^ din[2] ^
127 
                        din[1] ^ din[0] ^ crc_in[8] ^ crc_in[9] ^ crc_in[10] ^
128 
                        crc_in[11] ^ crc_in[12] ^ crc_in[13] ^ crc_in[14] ^
129 
                        crc_in[15];
130 
        crc_out[1] = din[7] ^ din[6] ^ din[5] ^ din[4] ^ din[3] ^ din[2] ^
131 
                        din[1] ^ crc_in[9] ^ crc_in[10] ^ crc_in[11] ^ crc_in[12] ^
132 
                        crc_in[13] ^ crc_in[14] ^ crc_in[15];
133 
        crc_out[2] = din[1] ^ din[0] ^ crc_in[8] ^ crc_in[9];
134 
        crc_out[3] = din[2] ^ din[1] ^ crc_in[9] ^ crc_in[10];
135 
        crc_out[4] = din[3] ^ din[2] ^ crc_in[10] ^ crc_in[11];
136 
        crc_out[5] = din[4] ^ din[3] ^ crc_in[11] ^ crc_in[12];
137 
        crc_out[6] = din[5] ^ din[4] ^ crc_in[12] ^ crc_in[13];
138 
        crc_out[7] = din[6] ^ din[5] ^ crc_in[13] ^ crc_in[14];
139 
        crc_out[8] = din[7] ^ din[6] ^ crc_in[0] ^ crc_in[14] ^ crc_in[15];
140 
        crc_out[9] = din[7] ^ crc_in[1] ^ crc_in[15];
141 
        crc_out[10] = crc_in[2];
142 
        crc_out[11] = crc_in[3];
143 
        crc_out[12] = crc_in[4];
144 
        crc_out[13] = crc_in[5];
145 
        crc_out[14] = crc_in[6];
146 
        crc_out[15] = din[7] ^ din[6] ^ din[5] ^ din[4] ^ din[3] ^
147 
                        din[2] ^ din[1] ^ din[0] ^ crc_in[7] ^ crc_in[8] ^
148 
                        crc_in[9] ^ crc_in[10] ^ crc_in[11] ^ crc_in[12] ^
149 
                        crc_in[13] ^ crc_in[14] ^ crc_in[15];
150 
 
151 
        return crc_out;
152 
}
153 
 
154 
void utmi_send_pack(int size) {
155 
        int n;
156 
 
157 
        wait(clk.posedge_event());
158 
        tx_valid.write(true);
159 
        for (n = 0; n < size; n++) {
160 
                dout.write(txmem[n]);
161 
                wait(clk.posedge_event());
162 
                while (!tx_ready.read())
163 
                        wait(clk.posedge_event());
164 
        }
165 
        tx_valid.write(false);
166 
        wait(clk.posedge_event());
167 
}
168 
 
169 
void utmi_recv_pack(int *size) {
170 
        *size = 0;
171 
        while (!rx_active.read())
172 
                wait(clk.posedge_event());
173 
        while (rx_active.read()) {
174 
                while (!rx_valid.read() && rx_active.read())
175 
                        wait(clk.posedge_event());
176 
                if (rx_valid.read() && rx_active.read()) {
177 
                        txmem[*size] = din.read();
178 
                        (*size)++;
179 
                }
180 
                wait(clk.posedge_event());
181 
        }
182 
}
183 
 
184 
void recv_packet(sc_uint<4> *pid, int *size) {
185 
        int n;
186 
        sc_uint<16> crc16r;
187 
        sc_uint<8> x, y;
188 
 
189 
        crc16r = 0xffff;
190 
        utmi_recv_pack(size);
191 
 
192 
        if (*size != 1) {
193 
                for (n = 1; n < *size - 2; n++) {
194 
                        y = txmem[n];
195 
                        x = (   (sc_uint<1>)y[0],
196 
                                        (sc_uint<1>)y[1],
197 
                                        (sc_uint<1>)y[2],
198 
                                        (sc_uint<1>)y[3],
199 
                                                (sc_uint<1>)y[4],
200 
                                        (sc_uint<1>)y[5],
201 
                                        (sc_uint<1>)y[6],
202 
                                        (sc_uint<1>)y[7]);
203 
                        crc16r = crc16(crc16r, x);
204 
                }
205 
 
206 
                crc16r = (      (sc_uint<1>)!crc16r[8],
207 
                                        (sc_uint<1>)!crc16r[9],
208 
                                        (sc_uint<1>)!crc16r[10],
209 
                                        (sc_uint<1>)!crc16r[11],
210 
                                        (sc_uint<1>)!crc16r[12],
211 
                                        (sc_uint<1>)!crc16r[13],
212 
                                        (sc_uint<1>)!crc16r[14],
213 
                                        (sc_uint<1>)!crc16r[15],
214 
                                        (sc_uint<1>)!crc16r[0],
215 
                                        (sc_uint<1>)!crc16r[1],
216 
                                        (sc_uint<1>)!crc16r[2],
217 
                                        (sc_uint<1>)!crc16r[3],
218 
                                        (sc_uint<1>)!crc16r[4],
219 
                                        (sc_uint<1>)!crc16r[5],
220 
                                        (sc_uint<1>)!crc16r[6],
221 
                                        (sc_uint<1>)!crc16r[7]);
222 
 
223 
                if (crc16r != (sc_uint<16>)(txmem[n], txmem[n + 1]))
224 
                        cout << "ERROR: CRC Mismatch: Expected: " << crc16r << ", Got: " <<
225 
                                        txmem[n] << txmem[n + 1] << " (" << sc_simulation_time() << ")" << endl << endl;
226 
 
227 
                for (n = 0; n < *size - 3; n++)
228 
                        buffer1[buffer1_last + n] = txmem[n + 1];
229 
                buffer1_last = buffer1_last + n;
230 
        } else {
231 
                *size = 3;
232 
        }
233 
 
234 
        x = txmem[0];
235 
 
236 
        if ((sc_uint<4>)x.range(7, 4) != (sc_uint<4>)~x.range(3, 0))
237 
                cout << "ERROR: Pid Checksum mismatch: Top: " << (sc_uint<4>)x.range(7, 4) <<
238 
                                " Bottom: " << (sc_uint<4>)x.range(3, 0) << " (" << sc_simulation_time() << ")" << endl << endl;
239 
 
240 
        *pid = (sc_uint<4>)x.range(3, 0);
241 
        *size = *size - 3;
242 
}
243 
 
244 
void send_token(sc_uint<7> fa, sc_uint<4> ep, sc_uint<4> pid) {
245 
        sc_uint<16> tmp_data;
246 
        sc_uint<11> x, y;
247 
        int len;
248 
 
249 
        tmp_data = ((sc_uint<7>)fa, (sc_uint<4>)ep, (sc_uint<5>)0);
250 
        if (pid == USBF_T_PID_ACK)
251 
                len = 1;
252 
        else
253 
                len = 3;
254 
 
255 
        y = ((sc_uint<7>)fa, (sc_uint<4>)ep);
256 
        x = (   (sc_uint<1>)y[4],
257 
                        (sc_uint<1>)y[5],
258 
                        (sc_uint<1>)y[6],
259 
                        (sc_uint<1>)y[7],
260 
                        (sc_uint<1>)y[8],
261 
                        (sc_uint<1>)y[9],
262 
                        (sc_uint<1>)y[10],
263 
                        (sc_uint<1>)y[0],
264 
                        (sc_uint<1>)y[1],
265 
                        (sc_uint<1>)y[2],
266 
                        (sc_uint<1>)y[3]);
267 
 
268 
        y = ((sc_uint<6>)0, (sc_uint<5>)crc5(0x1f, x));
269 
        tmp_data = ((sc_uint<11>)x, (sc_uint<5>)~y.range(4, 0));
270 
        txmem[0] = ((sc_uint<4>)~pid, (sc_uint<4>)pid);
271 
        txmem[1] = (    (sc_uint<1>)tmp_data[8],
272 
                                        (sc_uint<1>)tmp_data[9],
273 
                                        (sc_uint<1>)tmp_data[10],
274 
                                        (sc_uint<1>)tmp_data[11],
275 
                                        (sc_uint<1>)tmp_data[12],
276 
                                        (sc_uint<1>)tmp_data[13],
277 
                                        (sc_uint<1>)tmp_data[14],
278 
                                        (sc_uint<1>)tmp_data[15]);
279 
        txmem[2] = (    (sc_uint<1>)tmp_data[0],
280 
                                        (sc_uint<1>)tmp_data[1],
281 
                                        (sc_uint<1>)tmp_data[2],
282 
                                        (sc_uint<1>)tmp_data[3],
283 
                                        (sc_uint<1>)tmp_data[4],
284 
                                        (sc_uint<1>)tmp_data[5],
285 
                                        (sc_uint<1>)tmp_data[6],
286 
                                        (sc_uint<1>)tmp_data[7]);
287 
 
288 
        utmi_send_pack(len);
289 
}
290 
 
291 
void send_sof(sc_uint<11> frmn) {
292 
        sc_uint<16> tmp_data;
293 
        sc_uint<11> x;
294 
 
295 
        x = (   (sc_uint<1>)frmn[0],
296 
                        (sc_uint<1>)frmn[1],
297 
                        (sc_uint<1>)frmn[2],
298 
                        (sc_uint<1>)frmn[3],
299 
                        (sc_uint<1>)frmn[4],
300 
                        (sc_uint<1>)frmn[5],
301 
                        (sc_uint<1>)frmn[6],
302 
                        (sc_uint<1>)frmn[7],
303 
                        (sc_uint<1>)frmn[8],
304 
                        (sc_uint<1>)frmn[9],
305 
                        (sc_uint<1>)frmn[10]);
306 
 
307 
        tmp_data = ((sc_uint<11>)x, (sc_uint<5>)~crc5(0x1f, x));
308 
        txmem[0] = ((sc_uint<4>)~USBF_T_PID_SOF, (sc_uint<4>)USBF_T_PID_SOF);
309 
//      txmem[1] = (    (sc_uint<1>)tmp_data[8],
310 
//                                      (sc_uint<1>)tmp_data[9],
311 
//                                      (sc_uint<1>)tmp_data[10],
312 
//                                      (sc_uint<1>)tmp_data[11],
313 
//                                      (sc_uint<1>)tmp_data[12],
314 
//                                      (sc_uint<1>)tmp_data[13],
315 
//                                      (sc_uint<1>)tmp_data[14],
316 
//                                      (sc_uint<1>)tmp_data[15]);
317 
//      txmem[2] = (    (sc_uint<1>)tmp_data[0],
318 
//                                      (sc_uint<1>)tmp_data[1],
319 
//                                      (sc_uint<1>)tmp_data[2],
320 
//                                      (sc_uint<1>)tmp_data[3],
321 
//                                      (sc_uint<1>)tmp_data[4],
322 
//                                      (sc_uint<1>)tmp_data[5],
323 
//                                      (sc_uint<1>)tmp_data[6],
324 
//                                      (sc_uint<1>)tmp_data[7]);
325 
        txmem[1] = (sc_uint<8>)frmn.range(7, 0);
326 
        txmem[2] = (    (sc_uint<1>)tmp_data[0],
327 
                                        (sc_uint<1>)tmp_data[1],
328 
                                        (sc_uint<1>)tmp_data[2],
329 
                                        (sc_uint<1>)tmp_data[3],
330 
                                        (sc_uint<1>)tmp_data[4],
331 
                                        (sc_uint<3>)frmn.range(10, 8));
332 
 
333 
        utmi_send_pack(3);
334 
}
335 
 
336 
void send_data(sc_uint<4> pid, int len, int mode) {
337 
        int n;
338 
        sc_uint<16> crc16r;
339 
        sc_uint<8> x, y;
340 
 
341 
        txmem[0] = ((sc_uint<4>)~pid, (sc_uint<4>)pid);
342 
        crc16r = 0xffff;
343 
        for (n = 0; n < len; n++) {
344 
                if (mode == 1)
345 
                        y = buffer1[buffer1_last + n];
346 
                else
347 
                        y = n;
348 
                x = (   (sc_uint<1>)y[0],
349 
                                (sc_uint<1>)y[1],
350 
                                (sc_uint<1>)y[2],
351 
                                (sc_uint<1>)y[3],
352 
                                (sc_uint<1>)y[4],
353 
                                (sc_uint<1>)y[5],
354 
                                (sc_uint<1>)y[6],
355 
                                (sc_uint<1>)y[7]);
356 
                txmem[n + 1] = y;
357 
                crc16r = crc16(crc16r, x);
358 
        }
359 
 
360 
        buffer1_last = buffer1_last + n;
361 
        y = (sc_uint<8>)crc16r.range(15, 8);
362 
        txmem[n + 1] = (        (sc_uint<1>)!y[0],
363 
                                                (sc_uint<1>)!y[1],
364 
                                                (sc_uint<1>)!y[2],
365 
                                                (sc_uint<1>)!y[3],
366 
                                                (sc_uint<1>)!y[4],
367 
                                                (sc_uint<1>)!y[5],
368 
                                                (sc_uint<1>)!y[6],
369 
                                                (sc_uint<1>)!y[7]);
370 
        y = (sc_uint<8>)crc16r.range(7, 0);
371 
        txmem[n + 2] = (        (sc_uint<1>)!y[0],
372 
                                                (sc_uint<1>)!y[1],
373 
                                                (sc_uint<1>)!y[2],
374 
                                                (sc_uint<1>)!y[3],
375 
                                                (sc_uint<1>)!y[4],
376 
                                                (sc_uint<1>)!y[5],
377 
                                                (sc_uint<1>)!y[6],
378 
                                                (sc_uint<1>)!y[7]);
379 
 
380 
        utmi_send_pack(len + 3);
381 
}
382 
 
383 
/////////////////////////////////////////////////////////////////////
384 
 
385 
/////////////////////////////////////////////////////////////////////
386 
////                                                             ////
387 
////              Test Case Collection                           ////
388 
////                                                             ////
389 
/////////////////////////////////////////////////////////////////////
390 
 
391 
void send_setup(        sc_uint<7> fa,
392 
                                        sc_uint<8> req_type,
393 
                                        sc_uint<8> request,
394 
                                        sc_uint<16> wValue,
395 
                                        sc_uint<16> wIndex,
396 
                                        sc_uint<16> wLength) {
397 
        int len;
398 
 
399 
        buffer1[0] = req_type;
400 
        buffer1[1] = request;
401 
        buffer1[3] = (sc_uint<8>)wValue.range(15, 8);
402 
        buffer1[2] = (sc_uint<8>)wValue.range(7, 0);
403 
        buffer1[5] = (sc_uint<8>)wIndex.range(15, 8);
404 
        buffer1[4] = (sc_uint<8>)wIndex.range(7, 0);
405 
        buffer1[7] = (sc_uint<8>)wLength.range(15, 8);
406 
        buffer1[6] = (sc_uint<8>)wLength.range(7, 0);
407 
 
408 
        buffer1_last = 0;
409 
 
410 
        send_token(fa, 0, USBF_T_PID_SETUP);
411 
 
412 
        wait(clk.posedge_event());
413 
 
414 
        send_data(USBF_T_PID_DATA0, 8, 1);
415 
 
416 
        utmi_recv_pack(&len);
417 
 
418 
        if (txmem[0] != 0xd2) {
419 
                cout << "ERROR: SETUP: ACK mismatch. Expected: 0xD2, Got: " << txmem[0] <<
420 
                                " (" << sc_simulation_time() << ")" << endl << endl;
421 
                error_cnt++;
422 
        }
423 
 
424 
        if (len != 1) {
425 
                cout << "ERROR: SETUP: ACK mismatch. Expected: 1, Got: " << len <<
426 
                                " (" << sc_simulation_time() << ")" << endl << endl;
427 
                error_cnt++;
428 
        }
429 
 
430 
        wait(clk.posedge_event());
431 
        setup_pid.write(true);
432 
        wait(clk.posedge_event());
433 
}
434 
 
435 
void data_in(sc_uint<7> fa, int pl_size) {
436 
        int rlen;
437 
        sc_uint<4> pid, expect_pid;
438 
 
439 
        buffer1_last = 0;
440 
        for (i = 0; i < 5; i++)
441 
                wait(clk.posedge_event());
442 
        send_token(fa, 0, USBF_T_PID_IN);
443 
 
444 
        recv_packet(&pid, &rlen);
445 
        if (setup_pid.read())
446 
                expect_pid = 0xb;       // DATA 1
447 
        else
448 
                expect_pid = 0x3;       // DATA 0
449 
 
450 
        if (pid != expect_pid) {
451 
                cout << "ERROR: Data IN PID mismatch. Expected: " << expect_pid << ", Got: " << pid <<
452 
                                " (" << sc_simulation_time() << ")" << endl << endl;
453 
                error_cnt++;
454 
        }
455 
 
456 
        setup_pid.write(!setup_pid.read());
457 
        if (rlen != pl_size) {
458 
                cout << "ERROR: Data IN Size mismatch. Expected: " << pl_size << ", Got: " << rlen <<
459 
                                " (" << sc_simulation_time() << ")" << endl << endl;
460 
                error_cnt++;
461 
        }
462 
 
463 
        for (i = 0; i < rlen; i++) {
464 
                cout << "RCV Data[" << i << "]: 0x";
465 
                printf("%02x", (unsigned int)buffer1[i]);
466 
                cout << endl;
467 
        }
468 
        cout << endl;
469 
 
470 
        for (i = 0; i < 5; i++)
471 
                wait(clk.posedge_event());
472 
        send_token(fa, 0, USBF_T_PID_ACK);
473 
 
474 
        for (i = 0; i < 5; i++)
475 
                wait(clk.posedge_event());
476 
}
477 
 
478 
void data_out(sc_uint<7> fa, int pl_size) {
479 
        int len;
480 
 
481 
        send_token(fa, 0, USBF_T_PID_OUT);
482 
 
483 
        wait(clk.posedge_event());
484 
 
485 
        if (!setup_pid.read())
486 
                send_data(USBF_T_PID_DATA0, pl_size, 1);
487 
        else
488 
                send_data(USBF_T_PID_DATA1, pl_size, 1);
489 
 
490 
        setup_pid.write(!setup_pid.read());
491 
 
492 
        utmi_recv_pack(&len);
493 
 
494 
        if (txmem[0] != 0xd2) {
495 
                cout << "ERROR: Ack mismatch. Expected: 0xd2, Got: " << txmem[0] <<
496 
                                " (" << sc_simulation_time() << ")" << endl << endl;
497 
                error_cnt++;
498 
        }
499 
 
500 
        if (len != 1) {
501 
                cout << "ERROR: SETUP: Length mismatch. Expected: 1, Got: " << len <<
502 
                                " (" << sc_simulation_time() << ")" << endl << endl;
503 
                error_cnt++;
504 
        }
505 
 
506 
        for (i = 0; i < 5; i++)
507 
                wait(clk.posedge_event());
508 
}
509 
 
510 
// Enumeration Test -> Endpoint 0
511 
void setup0(void) {
512 
        cout << endl;
513 
 
514 
        cout << "The Default Time Unit is: " << sc_get_default_time_unit().to_string() << endl << endl;
515 
 
516 
        cout << "**************************************************" << endl;
517 
        cout << "*** CONTROL EP TEST 0                          ***" << endl;
518 
        cout << "**************************************************" << endl << endl;
519 
 
520 
        cout << "Setting Address ..." << endl << endl;
521 
 
522 
        send_setup(0x00, 0x00, SET_ADDRESS, 0x0012, 0x0000, 0x0000);
523 
        data_in(0x00,0);
524 
 
525 
        cout << "Getting Descriptor ..." << endl << endl;
526 
 
527 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0100, 0x0000, 0x0012);
528 
        data_in(0x12, 18);
529 
        data_out(0x12, 0);
530 
 
531 
        cout << "Getting Descriptor ..." << endl << endl;
532 
 
533 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0200, 0x0000, 0x0009);
534 
        data_in(0x12, 9);
535 
        data_out(0x12, 0);
536 
 
537 
        cout << "Getting Descriptor ..." << endl << endl;
538 
 
539 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0200, 0x0000, 0x003c);
540 
        data_in(0x12, 60);
541 
        data_out(0x12, 0);
542 
 
543 
        cout << "Getting Descriptor ..." << endl << endl;
544 
 
545 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0300, 0x0000, 0x0008);
546 
        data_in(0x12, 8);
547 
        data_out(0x12, 0);
548 
 
549 
        cout << "Getting Descriptor ..." << endl << endl;
550 
 
551 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0301, 0x0416, 0x001a);
552 
        data_in(0x12, 26);
553 
        data_out(0x12, 0);
554 
 
555 
        cout << "Getting Descriptor ..." << endl << endl;
556 
 
557 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0302, 0x0416, 0x001c);
558 
        data_in(0x12, 28);
559 
        data_out(0x12, 0);
560 
 
561 
        cout << "Getting Descriptor ..." << endl << endl;
562 
 
563 
        send_setup(0x12, 0x80, GET_DESCRIPTOR, 0x0303, 0x0416, 0x0036);
564 
        data_in(0x12, 54);
565 
        data_out(0x12, 0);
566 
 
567 
        show_errors();
568 
 
569 
        cout << "**************************************************" << endl;
570 
        cout << "*** TEST DONE ...                              ***" << endl;
571 
        cout << "**************************************************" << endl << endl;
572 
}
573 
 
574 
// ISO IN Test -> Endpoint 1
575 
void in1(void) {
576 
        sc_uint<7> my_fa;
577 
        int rlen, fc;
578 
        sc_uint<8> fd;
579 
        int pack_cnt, pack_cnt_max, pack_sz, pack_sz_max;
580 
        sc_uint<8> x;
581 
        sc_uint<4> pid, expect_pid;
582 
        sc_uint<32> data;
583 
//      bool pid_cnt;
584 
 
585 
        cout << endl;
586 
 
587 
        cout << "**************************************************" << endl;
588 
        cout << "*** ISOCHRONOUS IN EP TEST 1                   ***" << endl;
589 
        cout << "**************************************************" << endl << endl;
590 
 
591 
        send_sof(0x000);
592 
 
593 
        pack_sz_max = 256;
594 
        pack_cnt_max = 4;
595 
 
596 
//      pid_cnt = false;
597 
        my_fa = 0x12;
598 
 
599 
        m_addr.write(0x00000001);
600 
        m_cmd.write(0x0);
601 
 
602 
        for (pack_sz = 0; pack_sz <= pack_sz_max; pack_sz += 32) {
603 
                cout << "PL Size: " << pack_sz << endl;
604 
 
605 
                for (pack_cnt = 0; pack_cnt < pack_cnt_max; pack_cnt++) {
606 
                        buffer1_last = 0;
607 
                        for (fc = 0; fc < pack_sz; fc++) {
608 
                                while (s_flag.read()[1])
609 
                                        wait(clk.posedge_event());
610 
 
611 
                                x = (sc_uint<8>)(255.0 * rand() / (RAND_MAX + 1.0));
612 
                                m_data.write(x);
613 
                                buffer0[fc] = x;
614 
                                m_cmd.write(0x1);
615 
                                wait(clk.posedge_event());
616 
                                m_cmd.write(0x0);
617 
                                wait(clk.posedge_event());
618 
                        }
619 
                        m_cmd.write(0x0);
620 
                        wait(clk.posedge_event());
621 
 
622 
                        // Send Data
623 
                        wait(clk.posedge_event());
624 
                        send_sof(0x000);
625 
                        wait(clk.posedge_event());
626 
                        send_token(my_fa, 1, USBF_T_PID_IN);
627 
                        wait(clk.posedge_event());
628 
 
629 
                        recv_packet(&pid, &rlen);
630 
 
631 
//                      if (pid_cnt)
632 
//                              expect_pid = 0xb;
633 
//                      else
634 
//                              expect_pid = 0x3;
635 
                        expect_pid = 0x3;
636 
 
637 
                        if (pid != expect_pid) {
638 
                                cout << "ERROR: PID mismatch. Expected: " << expect_pid << ", Got: " << pid <<
639 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
640 
                                error_cnt++;
641 
                        }
642 
//                      pid_cnt = !pid_cnt;
643 
 
644 
                        if (rlen != pack_sz) {
645 
                                cout << "ERROR: Size mismatch. Expected: " << pack_sz << ", Got: " << rlen <<
646 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
647 
                                error_cnt++;
648 
                        }
649 
 
650 
                        for (i = 0; i < 4; i++)
651 
                                wait(clk.posedge_event());
652 
 
653 
                        // Verify Data
654 
                        for (fc = 0; fc < pack_sz; fc++) {
655 
                                x = buffer0[fc];
656 
                                if (buffer1[fc] != x) {
657 
                                        cout << "ERROR: Data (" << fc << ") mismatch. Expected: " << x << ", Got: " << buffer1[fc] <<
658 
                                                        " (" << sc_simulation_time() << ")" << endl << endl;
659 
                                        error_cnt++;
660 
                                }
661 
                        }
662 
                }
663 
                for (i = 0; i < 50; i++)
664 
                        wait(clk.posedge_event());
665 
        }
666 
        m_cmd.write(0x4);
667 
        m_addr.write(0x00000000);
668 
 
669 
        cout << endl;
670 
 
671 
        show_errors();
672 
 
673 
        cout << "**************************************************" << endl;
674 
        cout << "*** TEST DONE ...                              ***" << endl;
675 
        cout << "**************************************************" << endl << endl;
676 
}
677 
 
678 
// ISO OUT Test -> Endpoint 2
679 
void out2(void) {
680 
        sc_uint<7> my_fa;
681 
        sc_uint<32> data;
682 
        int n, no_pack, no_pack_max, pl_sz, pl_sz_max;
683 
        bool pid;
684 
        sc_uint<8> x;
685 
 
686 
        cout << endl;
687 
 
688 
        cout << "**************************************************" << endl;
689 
        cout << "*** ISOCHRONOUS OUT EP TEST 2                  ***" << endl;
690 
        cout << "**************************************************" << endl << endl;
691 
 
692 
        no_pack_max = 4;
693 
        pl_sz_max = 256;
694 
 
695 
        my_fa = 0x12;
696 
 
697 
        m_addr.write(0x00000002);
698 
        m_cmd.write(0x0);
699 
 
700 
        for (pl_sz = 0; pl_sz <= pl_sz_max; pl_sz += 32) {
701 
                pid = false;
702 
 
703 
                cout << "PL Size: " << pl_sz << endl;
704 
 
705 
                for (n = 0; n < 4096; n++)
706 
                        buffer1[n] = n;
707 
 
708 
                buffer1_last = 0;
709 
 
710 
                no_pack = 0;
711 
                while (true) {
712 
                        wait(clk.posedge_event());
713 
                        send_sof(0x000);
714 
                        wait(clk.posedge_event());
715 
 
716 
                        send_token(my_fa, 2, USBF_T_PID_OUT);
717 
                        wait(clk.posedge_event());
718 
 
719 
                        if (!pid)
720 
                                send_data(USBF_T_PID_DATA0, pl_sz, 1);
721 
                        else
722 
                                send_data(USBF_T_PID_DATA1, pl_sz, 1);
723 
                        for (i = 0; i < 10; i++)
724 
                                wait(clk2.posedge_event());
725 
                        for (n = 0; n < pl_sz; n++) {
726 
                                m_cmd.write(0x0);
727 
                                wait(clk2.posedge_event());
728 
                                wait(clk2.posedge_event());
729 
 
730 
                                while (s_flag.read()[0]) {
731 
                                        m_cmd.write(0x0);
732 
                                        wait(clk2.posedge_event());
733 
                                        wait(clk2.posedge_event());
734 
                                }
735 
 
736 
                                if (buffer1[n + (pl_sz * no_pack)] != s_data.read()) {
737 
                                        cout << "ERROR: DATA mismatch. Expected: " << s_data.read() << ", Got: " << buffer1[n + (pl_sz * no_pack)] <<
738 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
739 
                                        error_cnt++;
740 
                                }
741 
 
742 
                                m_cmd.write(0x2);
743 
                                wait(clk2.posedge_event());
744 
                                wait(clk2.negedge_event());
745 
                        }
746 
                        m_cmd.write(0x0);
747 
                        wait(clk2.posedge_event());
748 
 
749 
                        no_pack++;
750 
                        if (no_pack == no_pack_max)
751 
                                break;
752 
                }
753 
                wait(clk.posedge_event());
754 
        }
755 
 
756 
        m_cmd.write(0x4);
757 
        m_addr.write(0x00000000);
758 
 
759 
        cout << endl;
760 
 
761 
        show_errors();
762 
 
763 
        cout << "**************************************************" << endl;
764 
        cout << "*** TEST DONE ...                              ***" << endl;
765 
        cout << "**************************************************" << endl << endl;
766 
}
767 
 
768 
// BULK IN Test -> Endpoint 3
769 
void in3(void) {
770 
        sc_uint<7> my_fa;
771 
        int rlen, fc;
772 
        sc_uint<8> fd;
773 
        int pack_cnt, pack_cnt_max, pack_sz, pack_sz_max;
774 
        sc_uint<8> x;
775 
        sc_uint<4> pid, expect_pid;
776 
        sc_uint<32> data;
777 
        bool pid_cnt;
778 
 
779 
        cout << endl;
780 
 
781 
        cout << "**************************************************" << endl;
782 
        cout << "*** BULK IN EP TEST 3                          ***" << endl;
783 
        cout << "**************************************************" << endl << endl;
784 
 
785 
        send_sof(0x000);
786 
 
787 
        pack_sz_max = 64;
788 
        pack_cnt_max = 4;
789 
 
790 
        pid_cnt = false;
791 
        my_fa = 0x12;
792 
 
793 
        m_addr.write(0x00000003);
794 
        m_cmd.write(0x0);
795 
 
796 
        for (pack_sz = 0; pack_sz <= pack_sz_max; pack_sz += 8) {
797 
                cout << "PL Size: " << pack_sz << endl;
798 
 
799 
                for (pack_cnt = 0; pack_cnt < pack_cnt_max; pack_cnt++) {
800 
                        buffer1_last = 0;
801 
                        for (fc = 0; fc < pack_sz; fc++) {
802 
                                while (s_flag.read()[1])
803 
                                        wait(clk.posedge_event());
804 
 
805 
                                x = (sc_uint<8>)(255.0 * rand() / (RAND_MAX + 1.0));
806 
                                m_data.write(x);
807 
                                buffer0[fc] = x;
808 
                                m_cmd.write(0x1);
809 
                                wait(clk.posedge_event());
810 
                                m_cmd.write(0x0);
811 
                                wait(clk.posedge_event());
812 
                        }
813 
                        m_cmd.write(0x0);
814 
                        wait(clk.posedge_event());
815 
 
816 
                        // Send Data
817 
                        wait(clk.posedge_event());
818 
                        send_sof(0x000);
819 
                        wait(clk.posedge_event());
820 
                        send_token(my_fa, 3, USBF_T_PID_IN);
821 
                        wait(clk.posedge_event());
822 
 
823 
                        recv_packet(&pid, &rlen);
824 
 
825 
                        if (pid_cnt)
826 
                                expect_pid = 0xb;
827 
                        else
828 
                                expect_pid = 0x3;
829 
//                      expect_pid = 0x3;
830 
 
831 
                        if (pid != expect_pid) {
832 
                                cout << "ERROR: PID mismatch. Expected: " << expect_pid << ", Got: " << pid <<
833 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
834 
                                error_cnt++;
835 
                        }
836 
                        pid_cnt = !pid_cnt;
837 
 
838 
                        if (rlen != pack_sz) {
839 
                                cout << "ERROR: Size mismatch. Expected: " << pack_sz << ", Got: " << rlen <<
840 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
841 
                                error_cnt++;
842 
                        }
843 
 
844 
                        for (i = 0; i < 4; i++)
845 
                                wait(clk.posedge_event());
846 
 
847 
                        send_token(my_fa, 3, USBF_T_PID_ACK);
848 
 
849 
                        for (i = 0; i < 5; i++)
850 
                                wait(clk.posedge_event());
851 
 
852 
                        // Verify Data
853 
                        for (fc = 0; fc < pack_sz; fc++) {
854 
                                x = buffer0[fc];
855 
                                if (buffer1[fc] != x) {
856 
                                        cout << "ERROR: Data (" << fc << ") mismatch. Expected: " << x << ", Got: " << buffer1[fc] <<
857 
                                                        " (" << sc_simulation_time() << ")" << endl << endl;
858 
                                        error_cnt++;
859 
                                }
860 
                        }
861 
                }
862 
                for (i = 0; i < 50; i++)
863 
                        wait(clk.posedge_event());
864 
        }
865 
        m_cmd.write(0x4);
866 
        m_addr.write(0x00000000);
867 
 
868 
        cout << endl;
869 
 
870 
        show_errors();
871 
 
872 
        cout << "**************************************************" << endl;
873 
        cout << "*** TEST DONE ...                              ***" << endl;
874 
        cout << "**************************************************" << endl << endl;
875 
}
876 
 
877 
// BULK OUT Test -> Endpoint 4
878 
void out4(void) {
879 
        sc_uint<7> my_fa;
880 
        sc_uint<32> data;
881 
        int n, len, no_pack, no_pack_max, pl_sz, pl_sz_max;
882 
        bool pid;
883 
        sc_uint<8> x;
884 
 
885 
        cout << endl;
886 
 
887 
        cout << "**************************************************" << endl;
888 
        cout << "*** BULK OUT EP TEST 4                         ***" << endl;
889 
        cout << "**************************************************" << endl << endl;
890 
 
891 
        no_pack_max = 4;
892 
        pl_sz_max = 64;
893 
 
894 
        my_fa = 0x12;
895 
 
896 
        m_addr.write(0x00000004);
897 
        m_cmd.write(0x0);
898 
 
899 
        for (pl_sz = 0; pl_sz <= pl_sz_max; pl_sz += 8) {
900 
                pid = false;
901 
 
902 
                cout << "PL Size: " << pl_sz << endl;
903 
 
904 
                for (n = 0; n < 4096; n++)
905 
                        buffer1[n] = n;
906 
 
907 
                buffer1_last = 0;
908 
 
909 
                no_pack = 0;
910 
                while (true) {
911 
                        wait(clk.posedge_event());
912 
                        send_sof(0x000);
913 
                        wait(clk.posedge_event());
914 
 
915 
                        send_token(my_fa, 4, USBF_T_PID_OUT);
916 
                        wait(clk.posedge_event());
917 
 
918 
                        if (!pid)
919 
                                send_data(USBF_T_PID_DATA0, pl_sz, 1);
920 
                        else
921 
                                send_data(USBF_T_PID_DATA1, pl_sz, 1);
922 
                        pid = !pid;
923 
 
924 
                        utmi_recv_pack(&len);
925 
 
926 
                        if (txmem[0] != 0xd2) {
927 
                                cout << "ERROR: ACK mismatch. Expected: 0xd2, Got: " << txmem[0] <<
928 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
929 
                                error_cnt++;
930 
                        }
931 
 
932 
                        if (len != 1) {
933 
                                cout << "ERROR: Size mismatch. Expected: 1, Got: " << len <<
934 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
935 
                                error_cnt++;
936 
                        }
937 
 
938 
                        wait(clk.posedge_event());
939 
 
940 
                        for (i = 0; i < 10; i++)
941 
                                wait(clk2.posedge_event());
942 
                        for (n = 0; n < pl_sz; n++) {
943 
                                m_cmd.write(0x0);
944 
                                wait(clk2.posedge_event());
945 
                                wait(clk2.posedge_event());
946 
 
947 
                                while (s_flag.read()[0]) {
948 
                                        m_cmd.write(0x0);
949 
                                        wait(clk2.posedge_event());
950 
                                        wait(clk2.posedge_event());
951 
                                }
952 
 
953 
                                if (buffer1[n + (pl_sz * no_pack)] != s_data.read()) {
954 
                                        cout << "ERROR: DATA mismatch. Expected: " << s_data.read() << ", Got: " << buffer1[n + (pl_sz * no_pack)] <<
955 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
956 
                                        error_cnt++;
957 
                                }
958 
 
959 
                                m_cmd.write(0x2);
960 
                                wait(clk2.posedge_event());
961 
                                wait(clk2.negedge_event());
962 
                        }
963 
                        m_cmd.write(0x0);
964 
                        wait(clk2.posedge_event());
965 
 
966 
                        no_pack++;
967 
                        if (no_pack == no_pack_max)
968 
                                break;
969 
                }
970 
                wait(clk.posedge_event());
971 
        }
972 
 
973 
        m_cmd.write(0x4);
974 
        m_addr.write(0x00000000);
975 
 
976 
        cout << endl;
977 
 
978 
        show_errors();
979 
 
980 
        cout << "**************************************************" << endl;
981 
        cout << "*** TEST DONE ...                              ***" << endl;
982 
        cout << "**************************************************" << endl << endl;
983 
}
984 
 
985 
// INT IN Test -> Endpoint 5
986 
void in5(void) {
987 
        sc_uint<7> my_fa;
988 
        int rlen, fc;
989 
        sc_uint<8> fd;
990 
        int pack_cnt, pack_cnt_max, pack_sz, pack_sz_max;
991 
        sc_uint<8> x;
992 
        sc_uint<4> pid, expect_pid;
993 
        sc_uint<32> data;
994 
        bool pid_cnt;
995 
 
996 
        cout << endl;
997 
 
998 
        cout << "**************************************************" << endl;
999 
        cout << "*** INTERRUPT IN EP TEST 5                     ***" << endl;
1000 
        cout << "**************************************************" << endl << endl;
1001 
 
1002 
        send_sof(0x000);
1003 
 
1004 
        pack_sz_max = 64;
1005 
        pack_cnt_max = 4;
1006 
 
1007 
        pid_cnt = false;
1008 
        my_fa = 0x12;
1009 
 
1010 
        m_addr.write(0x00000005);
1011 
                m_cmd.write(0x0);
1012 
 
1013 
        for (pack_sz = 0; pack_sz <= pack_sz_max; pack_sz += 8) {
1014 
                cout << "PL Size: " << pack_sz << endl;
1015 
 
1016 
                for (pack_cnt = 0; pack_cnt < pack_cnt_max; pack_cnt++) {
1017 
                        buffer1_last = 0;
1018 
                        for (fc = 0; fc < pack_sz; fc++) {
1019 
                                while (s_flag.read()[1])
1020 
                                        wait(clk.posedge_event());
1021 
 
1022 
                                x = (sc_uint<8>)(255.0 * rand() / (RAND_MAX + 1.0));
1023 
                                m_data.write(x);
1024 
                                buffer0[fc] = x;
1025 
                                m_cmd.write(0x1);
1026 
                                wait(clk.posedge_event());
1027 
                                m_cmd.write(0x0);
1028 
                                wait(clk.posedge_event());
1029 
                        }
1030 
                        m_cmd.write(0x0);
1031 
                        wait(clk.posedge_event());
1032 
 
1033 
                        // Send Data
1034 
                        wait(clk.posedge_event());
1035 
                        send_sof(0x000);
1036 
                        wait(clk.posedge_event());
1037 
                        send_token(my_fa, 5, USBF_T_PID_IN);
1038 
                        wait(clk.posedge_event());
1039 
 
1040 
                        recv_packet(&pid, &rlen);
1041 
 
1042 
                        if (pack_sz == 0)
1043 
                                expect_pid = 0xa;
1044 
                        else if (pid_cnt)
1045 
                                expect_pid = 0xb;
1046 
                        else
1047 
                                expect_pid = 0x3;
1048 
//                      expect_pid = 0x3;
1049 
 
1050 
                        if (pid != expect_pid) {
1051 
                                cout << "ERROR: PID mismatch. Expected: " << expect_pid << ", Got: " << pid <<
1052 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
1053 
                                error_cnt++;
1054 
                        }
1055 
                        pid_cnt = !pid_cnt;
1056 
 
1057 
                        if (rlen != pack_sz) {
1058 
                                cout << "ERROR: Size mismatch. Expected: " << pack_sz << ", Got: " << rlen <<
1059 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
1060 
                                error_cnt++;
1061 
                        }
1062 
 
1063 
                        for (i = 0; i < 4; i++)
1064 
                                wait(clk.posedge_event());
1065 
 
1066 5 alfoltran 
                        if (pack_sz != 0) {
1067 
                                send_token(my_fa, 5, USBF_T_PID_ACK);
1068 2 alfoltran 
 
1069 5 alfoltran 
                                for (i = 0; i < 5; i++)
1070 
                                        wait(clk.posedge_event());
1071 
                        }
1072 2 alfoltran 
 
1073 
                        // Verify Data
1074 
                        for (fc = 0; fc < pack_sz; fc++) {
1075 
                                x = buffer0[fc];
1076 
                                if (buffer1[fc] != x) {
1077 
                                        cout << "ERROR: Data (" << fc << ") mismatch. Expected: " << x << ", Got: " << buffer1[fc] <<
1078 
                                                        " (" << sc_simulation_time() << ")" << endl << endl;
1079 
                                        error_cnt++;
1080 
                                }
1081 
                        }
1082 
                }
1083 
                for (i = 0; i < 50; i++)
1084 
                        wait(clk.posedge_event());
1085 
        }
1086 
        m_cmd.write(0x4);
1087 
        m_addr.write(0x00000000);
1088 
 
1089 
        cout << endl;
1090 
 
1091 
        show_errors();
1092 
 
1093 
        cout << "**************************************************" << endl;
1094 
        cout << "*** TEST DONE ...                              ***" << endl;
1095 
        cout << "**************************************************" << endl << endl;
1096 
}
1097 
 
1098 
// INT OUT Test -> Endpoint 6
1099 
void out6(void) {
1100 
        sc_uint<7> my_fa;
1101 
        sc_uint<32> data;
1102 
        int n, len, no_pack, no_pack_max, pl_sz, pl_sz_max;
1103 
        bool pid;
1104 
        sc_uint<8> x;
1105 
 
1106 
        cout << endl;
1107 
 
1108 
        cout << "**************************************************" << endl;
1109 
        cout << "*** INTERRUPT OUT EP TEST 6                    ***" << endl;
1110 
        cout << "**************************************************" << endl << endl;
1111 
 
1112 
        no_pack_max = 4;
1113 
        pl_sz_max = 64;
1114 
 
1115 
        my_fa = 0x12;
1116 
 
1117 
        m_addr.write(0x00000006);
1118 
        m_cmd.write(0x0);
1119 
 
1120 
        for (pl_sz = 0; pl_sz <= pl_sz_max; pl_sz += 8) {
1121 
                pid = false;
1122 
 
1123 
                cout << "PL Size: " << pl_sz << endl;
1124 
 
1125 
                for (n = 0; n < 4096; n++)
1126 
                        buffer1[n] = n;
1127 
 
1128 
                buffer1_last = 0;
1129 
 
1130 
                no_pack = 0;
1131 
                while (true) {
1132 
                        wait(clk.posedge_event());
1133 
                        send_sof(0x000);
1134 
                        wait(clk.posedge_event());
1135 
 
1136 
                        send_token(my_fa, 6, USBF_T_PID_OUT);
1137 
                        wait(clk.posedge_event());
1138 
 
1139 
                        if (!pid)
1140 
                                send_data(USBF_T_PID_DATA0, pl_sz, 1);
1141 
                        else
1142 
                                send_data(USBF_T_PID_DATA1, pl_sz, 1);
1143 
                        pid = !pid;
1144 
 
1145 
                        utmi_recv_pack(&len);
1146 
 
1147 
                        if (txmem[0] != 0xd2) {
1148 
                                cout << "ERROR: ACK mismatch. Expected: 0xd2, Got: " << txmem[0] <<
1149 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
1150 
                                error_cnt++;
1151 
                        }
1152 
 
1153 
                        if (len != 1) {
1154 
                                cout << "ERROR: Size mismatch. Expected: 1, Got: " << len <<
1155 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
1156 
                                error_cnt++;
1157 
                        }
1158 
 
1159 
                        wait(clk.posedge_event());
1160 
 
1161 
                        for (i = 0; i < 10; i++)
1162 
                                wait(clk2.posedge_event());
1163 
                        for (n = 0; n < pl_sz; n++) {
1164 
                                m_cmd.write(0x0);
1165 
                                wait(clk2.posedge_event());
1166 
                                wait(clk2.posedge_event());
1167 
 
1168 
                                while (s_flag.read()[0]) {
1169 
                                        m_cmd.write(0x0);
1170 
                                        wait(clk2.posedge_event());
1171 
                                        wait(clk2.posedge_event());
1172 
                                }
1173 
 
1174 
                                if (buffer1[n + (pl_sz * no_pack)] != s_data.read()) {
1175 
                                        cout << "ERROR: DATA mismatch. Expected: " << s_data.read() << ", Got: " << buffer1[n + (pl_sz * no_pack)] <<
1176 
                                                " (" << sc_simulation_time() << ")" << endl << endl;
1177 
                                        error_cnt++;
1178 
                                }
1179 
 
1180 
                                m_cmd.write(0x2);
1181 
                                wait(clk2.posedge_event());
1182 
                                wait(clk2.negedge_event());
1183 
                        }
1184 
                        m_cmd.write(0x0);
1185 
                        wait(clk2.posedge_event());
1186 
 
1187 
                        no_pack++;
1188 
                        if (no_pack == no_pack_max)
1189 
                                break;
1190 
                }
1191 
                wait(clk.posedge_event());
1192 
        }
1193 
 
1194 
        m_cmd.write(0x4);
1195 
        m_addr.write(0x00000000);
1196 
 
1197 
        cout << endl;
1198 
 
1199 
        show_errors();
1200 
 
1201 
        cout << "**************************************************" << endl;
1202 
        cout << "*** TEST DONE ...                              ***" << endl;
1203 
        cout << "**************************************************" << endl << endl;
1204 
}
1205 
 
1206 
/////////////////////////////////////////////////////////////////////
1207 
 
1208 
        void rx1_update(void) {
1209 
                rxdp.write(!usb_reset.read() && txdp2.read());
1210 
                rxdn.write(!usb_reset.read() && txdn2.read());
1211 
        }
1212 
 
1213 
        void rx2_update(void) {
1214 
                rxdp2.write(!usb_reset.read() && txdp.read());
1215 
                rxdn2.write(!usb_reset.read() && txdn.read());
1216 
        }
1217 
 
1218 
        void watchdog(void) {
1219 
                if (txdp.read() || txdp2.read())
1220 
                        wd_cnt.write(0);
1221 
                else
1222 
                        wd_cnt.write(wd_cnt.read() + 1);
1223 
        }
1224 
 
1225 
        void wd_cnt_mon(void) {
1226 
                if (wd_cnt.read() > 5000) {
1227 
                        cout << "**********************************" << endl;
1228 
                        cout << "ERROR: Watch Dog Counter Expired" << endl;
1229 
                        cout << "**********************************" << endl << endl;
1230 
                        sc_stop();
1231 
                }
1232 
        }
1233 
 
1234 
        void init(void) {
1235 
                usb_reset.write(false);
1236 
                tx_valid.write(false);
1237 
                error_cnt = 0;
1238 
                wd_cnt.write(0);
1239 
                rst.write(false);
1240 
                m_cmd.write(0x4);
1241 
                m_addr.write(0x00000000);
1242 
 
1243 
                for (i = 0; i < 10; i++) wait(clk.posedge_event());
1244 
                rst.write(true);
1245 
 
1246 
                for (i = 0; i < 50; i++) wait(clk.posedge_event());
1247 
                usb_reset.write(true);
1248 
 
1249 
                for (i = 0; i < 300; i++) wait(clk.posedge_event());
1250 
                usb_reset.write(false);
1251 
 
1252 
                for (i = 0; i < 10; i++) wait(clk.posedge_event());
1253 
 
1254 
                setup0();
1255 
                in1();
1256 
                out2();
1257 
                in3();
1258 
                out4();
1259 
                in5();
1260 
                out6();
1261 
 
1262 
                for (i = 0; i < 500; i++) wait(clk.posedge_event());
1263 
                sc_stop();
1264 
        }
1265 
 
1266 
        SC_CTOR(test) {
1267 
                SC_METHOD(rx1_update);
1268 
                sensitive << usb_reset << txdp2 << txdn2;
1269 
                SC_METHOD(rx2_update);
1270 
                sensitive << usb_reset << txdp << txdn;
1271 
                SC_METHOD(watchdog);
1272 
                sensitive << clk.pos();
1273 
                SC_METHOD(wd_cnt_mon);
1274 
                sensitive << wd_cnt;
1275 
                SC_THREAD(init);
1276 
                sensitive << clk.pos();
1277 
        }
1278 
};
1279 
 
1280 
int sc_main(int argc, char *argv[]) {
1281 
 
1282 
        sc_set_time_resolution(1.0, SC_NS);
1283 
 
1284 
        sc_clock clk("clock", 20.84, SC_NS);
1285 
        sc_clock clk2("clock2", 20.84, SC_NS);
1286 
 
1287 
        sc_signal<bool> rst, vcc;
1288 
 
1289 
        sc_signal<bool> rx_dp1, rx_dn1, tx_dp1, tx_dn1;
1290 
        sc_signal<bool> tb_rx_valid, tb_rx_active, tb_rx_error;
1291 
        sc_signal<bool> tb_tx_valid, tb_tx_ready;
1292 
        sc_signal<sc_uint<8> > tb_rx_data, tb_tx_data;
1293 
 
1294 
        sc_signal<bool> rx_dp2, rx_dn2, tx_dp2, tx_dn2;
1295 
        sc_signal<sc_uint<8> >  SData, MData, SFlag;
1296 
        sc_signal<sc_uint<32> > MAddr;
1297 
        sc_signal<sc_uint<3> > MCmd;
1298 
        sc_signal<sc_uint<2> > SResp;
1299 
        sc_signal<bool> SInterrupt, SError, SCmdAccept;
1300 
 
1301 
        sc_signal<bool> usb_rst_nc, txoe_nc, tx_oe_nc;
1302 
        sc_signal<sc_uint<2> > line_nc;
1303 
 
1304 
        usb_phy                 i_phy("HOST_PHY");
1305 
        usb_ocp                 i_ocp("USB_OCP");
1306 
        test                    i_test("TEST");
1307 
 
1308 
        i_phy.clk(clk);
1309 
        i_phy.rst(rst);
1310 
        i_phy.phy_tx_mode(vcc);
1311 
        i_phy.usb_rst(usb_rst_nc);
1312 
        i_phy.txdp(tx_dp1);
1313 
        i_phy.txdn(tx_dn1);
1314 
        i_phy.txoe(txoe_nc);
1315 
        i_phy.rxd(rx_dp1);
1316 
        i_phy.rxdp(rx_dp1);
1317 
        i_phy.rxdn(rx_dn1);
1318 
        i_phy.DataOut_i(tb_tx_data);
1319 
        i_phy.TxValid_i(tb_tx_valid);
1320 
        i_phy.TxReady_o(tb_tx_ready);
1321 
        i_phy.DataIn_o(tb_rx_data);
1322 
        i_phy.RxValid_o(tb_rx_valid);
1323 
        i_phy.RxActive_o(tb_rx_active);
1324 
        i_phy.RxError_o(tb_rx_error);
1325 
        i_phy.LineState_o(line_nc);
1326 
 
1327 
        i_ocp.Clk(clk2);
1328 
        i_ocp.Reset_n(rst);
1329 
        i_ocp.tx_dp(tx_dp2);
1330 
        i_ocp.tx_dn(tx_dn2);
1331 
        i_ocp.tx_oe(tx_oe_nc);
1332 
        i_ocp.rx_dp(rx_dp2);
1333 
        i_ocp.rx_dn(rx_dn2);
1334 
        i_ocp.rx_d(rx_dp2);
1335 
        i_ocp.SInterrupt(SInterrupt);
1336 
        i_ocp.SFlag(SFlag);
1337 
        i_ocp.SError(SError);
1338 
        i_ocp.MAddr(MAddr);
1339 
        i_ocp.MCmd(MCmd);
1340 
        i_ocp.MData(MData);
1341 
        i_ocp.SCmdAccept(SCmdAccept);
1342 
        i_ocp.SData(SData);
1343 
        i_ocp.SResp(SResp);
1344 
 
1345 
        i_test.clk(clk);
1346 
        i_test.rst(rst);
1347 
        i_test.txdp(tx_dp1);
1348 
        i_test.txdn(tx_dn1);
1349 
        i_test.rxdp(rx_dp1);
1350 
        i_test.rxdn(rx_dn1);
1351 
        i_test.dout(tb_tx_data);
1352 
        i_test.tx_valid(tb_tx_valid);
1353 
        i_test.tx_ready(tb_tx_ready);
1354 
        i_test.din(tb_rx_data);
1355 
        i_test.rx_valid(tb_rx_valid);
1356 
        i_test.rx_active(tb_rx_active);
1357 
        i_test.rx_error(tb_rx_error);
1358 
 
1359 
        i_test.clk2(clk2);
1360 
        i_test.txdp2(tx_dp2);
1361 
        i_test.txdn2(tx_dn2);
1362 
        i_test.rxdp2(rx_dp2);
1363 
        i_test.rxdn2(rx_dn2);
1364 
        i_test.s_int(SInterrupt);
1365 
        i_test.s_flag(SFlag);
1366 
        i_test.s_error(SError);
1367 
        i_test.m_addr(MAddr);
1368 
        i_test.m_cmd(MCmd);
1369 
        i_test.m_data(MData);
1370 
        i_test.s_cmd_accept(SCmdAccept);
1371 
        i_test.s_data(SData);
1372 
        i_test.s_resp(SResp);
1373 
 
1374 
        vcc.write(true);
1375 
 
1376 
#ifdef VCD_OUTPUT_ENABLE
1377 
        sc_trace_file *vcd_log = sc_create_vcd_trace_file("USB_TEST");
1378 
        sc_trace(vcd_log, clk2, "Clk");
1379 
        sc_trace(vcd_log, rst, "Reset_n");
1380 
        sc_trace(vcd_log, MAddr, "MAddr");
1381 
        sc_trace(vcd_log, MCmd, "MCmd");
1382 
        sc_trace(vcd_log, MData, "MData");
1383 
        sc_trace(vcd_log, SData, "SData");
1384 
        sc_trace(vcd_log, SCmdAccept, "SCmdAccept");
1385 
        sc_trace(vcd_log, SResp, "SResp");
1386 
#endif
1387 
 
1388 
#ifdef WIF_OUTPUT_ENABLE
1389 
        sc_trace_file *wif_log = sc_create_wif_trace_file("USB_TEST");
1390 
        sc_trace(wif_log, clk2, "Clk");
1391 
        sc_trace(wif_log, rst, "Reset_n");
1392 
        sc_trace(wif_log, MAddr, "MAddr");
1393 
        sc_trace(wif_log, MCmd, "MCmd");
1394 
        sc_trace(wif_log, MData, "MData");
1395 
        sc_trace(wif_log, SData, "SData");
1396 
        sc_trace(wif_log, SCmdAccept, "SCmdAccept");
1397 
        sc_trace(wif_log, SResp, "SResp");
1398 
#endif
1399 
 
1400 
        srand((unsigned int)(time(NULL) & 0xffffffff));
1401 
        sc_start();
1402 
 
1403 
#ifdef VCD_OUTPUT_ENABLE
1404 
        sc_close_vcd_trace_file(vcd_log);
1405 
#endif
1406 
 
1407 
#ifdef WIF_OUTPUT_ENABLE
1408 
        sc_close_wif_trace_file(wif_log);
1409 
#endif
1410 
 
1411 
        return 0;
1412 
}
1413 
 

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