1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/*
* xsvftool-xpcu - An (X)SVF player for the Xilinx Platform Cable USB
*
* Copyright (C) 2011 RIEGL Research ForschungsGmbH
* Copyright (C) 2011 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "fx2usb-interface.h"
usb_dev_handle *fx2usb_open(int vendor_id, int device_id, char *dev)
{
struct usb_bus *b;
struct usb_device *d;
char *dd = NULL;
int devlen;
if (dev) {
devlen = strlen(dev);
dd = devlen > 8 ? &dev[devlen-8] : "|xxx|xxx";
}
for (b = usb_get_busses(); b; b = b->next) {
for (d = b->devices; d; d = d->next) {
if (dd) {
if (dd[0] == '/' && !strncmp(dd+1, b->dirname, 3) &&
dd[4] == '/' && !strncmp(dd+5, d->filename, 3))
return usb_open(d);
} else
if (vendor_id || device_id) {
if ((d->descriptor.idVendor == vendor_id) && (d->descriptor.idProduct == device_id))
return usb_open(d);
} else {
// The Xilinx Platform Cable USB Vendor/Device IDs
if ((d->descriptor.idVendor == 0x03FD) && (d->descriptor.idProduct == 0x0009))
return usb_open(d);
if ((d->descriptor.idVendor == 0x03FD) && (d->descriptor.idProduct == 0x000D))
return usb_open(d);
if ((d->descriptor.idVendor == 0x03FD) && (d->descriptor.idProduct == 0x000F))
return usb_open(d);
// The plain CY7C68013 dev kit Vendor/Device IDs
if ((d->descriptor.idVendor == 0x04b4) && (d->descriptor.idProduct == 0x8613))
return usb_open(d);
}
}
}
return NULL;
}
static int fx2usb_fwload_ctrl_msg(usb_dev_handle *dh, int addr, const void *data, int len)
{
int ret = usb_control_msg(dh, 0x40, 0xA0, addr, 0, (char*)data, len, 1000);
if (ret != len)
fprintf(stderr, "fx2usb_fwload_ctrl_msg: usb_control_msg for addr=0x%04X, len=%d returned %d: %s\n", addr, len, ret, ret >= 0 ? "NO ERROR" : usb_strerror());
return ret == len ? 0 : -1;
}
int fx2usb_upload_ihex(usb_dev_handle *dh, FILE *fp)
{
uint8_t on = 1, off = 0;
// assert reset
if (fx2usb_fwload_ctrl_msg(dh, 0xE600, &on, 1) < 0) {
fprintf(stderr, "fx2usb_upload_ihex: can't assert reset!\n");
return -1;
}
// parse and upload ihex file
char line[1024];
int linecount = 0;
while (fgets(line, sizeof(line), fp) != NULL)
{
linecount++;
if (line[0] != ':')
continue;
uint8_t cksum = 0;
uint8_t ldata[512];
int lsize = 0;
while (sscanf(line+1+lsize*2, "%2hhx", &ldata[lsize]) == 1) {
cksum += ldata[lsize];
lsize++;
}
if (lsize < 5) {
fprintf(stderr, "fx2usb_upload_ihex: ihex line %d: record is to short!\n", linecount);
return -1;
}
if (ldata[0] != lsize-5) {
fprintf(stderr, "fx2usb_upload_ihex: ihex line %d: size does not match record length!\n", linecount);
return -1;
}
cksum -= ldata[lsize-1];
cksum = ~cksum + 1;
if (cksum != ldata[lsize-1]) {
fprintf(stderr, "fx2usb_upload_ihex: ihex line %d: cksum error!\n", linecount);
return -1;
}
if (fx2usb_fwload_ctrl_msg(dh, (ldata[1] << 8) | ldata[2], &ldata[4], ldata[0]) < 0) {
fprintf(stderr, "fx2usb_upload_ihex: ihex line %d: error in fx2usb communication!\n", linecount);
return -1;
}
}
// release reset
if (fx2usb_fwload_ctrl_msg(dh, 0xE600, &off, 1) < 0) {
fprintf(stderr, "fx2usb_upload_ihex: can't release reset!\n");
return -1;
}
return 0;
}
int fx2usb_claim(usb_dev_handle *dh)
{
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
usb_detach_kernel_driver_np(dh, 0);
#endif
if (usb_claim_interface(dh, 0) < 0) {
fprintf(stderr, "fx2usb_claim: claiming interface 0 failed: %s!\n", usb_strerror());
return -1;
}
if (usb_set_altinterface(dh, 1) < 0) {
usb_release_interface(dh, 0);
fprintf(stderr, "fx2usb_claim: setting alternate interface 1 failed: %s!\n", usb_strerror());
return -1;
}
return 0;
}
void fx2usb_release(usb_dev_handle *dh)
{
usb_release_interface(dh, 0);
}
void fx2usb_flush(usb_dev_handle *dh)
{
while (1)
{
unsigned char readbuf[2] = { 0, 0 };
int ret = usb_bulk_read(dh, 1, (char*)readbuf, 2, 10);
if (ret <= 0)
return;
fprintf(stderr, "Unexpected data word from device: 0x%02x 0x%02x (%d)\n", readbuf[0], readbuf[1], ret);
}
}
int fx2usb_send_chunk(usb_dev_handle *dh, int ep, const void *data, int len)
{
int ret;
#if 0
if (ep == 2) {
int i;
fprintf(stderr, "<ep2:%4d bytes> ...", len);
for (i = len-16; i < len; i++) {
if (i < 0)
continue;
fprintf(stderr, " %02x", ((unsigned char*)data)[i]);
}
fprintf(stderr, "\n");
}
#endif
retry_write:
ret = usb_bulk_write(dh, ep, data, len, 1000);
if (ret == -ETIMEDOUT) {
fprintf(stderr, "fx2usb_recv_chunk: usb write timeout -> retry\n");
fx2usb_flush(dh);
goto retry_write;
}
if (ret != len)
fprintf(stderr, "fx2usb_send_chunk: write of %d bytes to ep %d returned %d: %s\n", len, ep, ret, ret >= 0 ? "NO ERROR" : usb_strerror());
return ret == len ? 0 : -1;
}
int fx2usb_recv_chunk(usb_dev_handle *dh, int ep, void *data, int len, int *ret_len)
{
int ret;
retry_read:
ret = usb_bulk_read(dh, ep, data, len, 1000);
if (ret == -ETIMEDOUT) {
fprintf(stderr, "fx2usb_recv_chunk: usb read timeout -> retry\n");
goto retry_read;
}
if (ret > 0 && ret_len != NULL)
len = *ret_len = ret;
if (ret != len)
fprintf(stderr, "fx2usb_recv_chunk: read of %d bytes from ep %d returned %d: %s\n", len, ep, ret, ret >= 0 ? "NO ERROR" : usb_strerror());
return ret == len ? 0 : -1;
}
|
