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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
--- io/hpiod/device.cpp.orig Thu Jun 15 02:02:11 2006
+++ io/hpiod/device.cpp Sun Jul 16 16:57:30 2006
@@ -25,6 +25,9 @@
\*****************************************************************************/
#include "hpiod.h"
+#ifdef __FreeBSD__
+#include <dev/usb/usb.h>
+#endif
const unsigned char Venice_Power_On[] = {0x1b, '%','P','u','i','f','p','.',
'p','o','w','e','r',' ','1',';',
@@ -111,21 +114,240 @@
#elif defined(__FreeBSD__)
-/*
- * Anish Mistry amistry@am-productions.biz is working on libusb extensions for FreeBSD. His current implementation does not handle device exceptions (ie: paperout).
- * Once this issue is resolved we will be glade to add his code to the project.
- */
-
int Device::Write(int fd, const void *buf, int size)
{
- syslog(LOG_ERR, "error Write: unimplemented (freebsd) %s %s %d\n", URI, __FILE__, __LINE__);
- return -1;
+ int nwrote, total, write_len, r, ep, endpoint_fd;
+ void *tmp_buf = (void *)buf;
+ fd_set ready;
+ char *pEndPoint = NULL;
+
+ if (FD[fd].pHD == NULL)
+ {
+ syslog(LOG_ERR, "invalid Device::Write state: %s %s %d\n", URI,__FILE__, __LINE__);
+ return -1;
+ }
+
+ if ((ep = GetOutEP(dev, FD[fd].Config, FD[fd].Interface, FD[fd].AltSetting, USB_ENDPOINT_TYPE_BULK)) < 0)
+ {
+ syslog(LOG_ERR, "invalid bulk out endpoint %s %s %d\n", URI, __FILE__, __LINE__);
+ return -1;
+ }
+
+ /* We only want the address, so mask out the direction bits */
+ ep = (ep & USB_ENDPOINT_ADDRESS_MASK);
+ /* open endpoint */
+ /* allocate data for the usb endpoint string */
+ pEndPoint = (char *)malloc(strlen(dev->filename)+20);
+ if(!pEndPoint)
+ return -1;
+ /* create device endpoint name string */
+ sprintf(pEndPoint, "%s.%d", dev->filename, ep);
+
+ /* open the endpoint with read write access */
+ endpoint_fd = open(pEndPoint, O_WRONLY, 0);
+ free(pEndPoint);
+ if(endpoint_fd < 0)
+ {
+ /* we failed to open the endpoint */
+ return -1;
+ }
+
+ total = size;
+ write_len = size;
+
+ while (total > 0)
+ {
+ FD_ZERO(&ready);
+ FD_SET(endpoint_fd, &ready);
+
+ if (!FD_ISSET(endpoint_fd, &ready))
+ {
+ close(endpoint_fd);
+ return -1;
+ }
+ nwrote = write(endpoint_fd, tmp_buf, write_len);
+
+ if (nwrote < 0)
+ {
+ close(endpoint_fd);
+ return -1;
+ }
+
+ write_len -= nwrote;
+ tmp_buf = (void *)((long)tmp_buf + nwrote);
+ total -= nwrote;
+ }
+
+ close(endpoint_fd);
+ return size;
}
int Device::Read(int fd, void *buf, int size, int usec)
{
- syslog(LOG_ERR, "error Read: unimplemented (freebsd) %s %s %d\n", URI, __FILE__, __LINE__);
- return -2;
+ int nwrote, total, r, ep=0, endpoint_fd, i;
+ struct timeval t1, t2;
+ fd_set ready;
+ char *pEndPoint = NULL;
+ int bytes_want = 0;
+ int rlen = 0;
+ int bytes_read = 0;
+ int mili_timeout = usec/10;
+ unsigned char *pbuf_pos = NULL;
+ int total_usec, tmo_usec = usec;
+
+ if (FD[fd].pHD == NULL)
+ {
+ syslog(LOG_ERR, "invalid Device::Read state: %s %s %d\n", URI,__FILE__, __LINE__);
+ return -1;
+ }
+
+ if ((ep = GetInEP(dev, FD[fd].Config, FD[fd].Interface, FD[fd].AltSetting, USB_ENDPOINT_TYPE_BULK)) < 0)
+ {
+ syslog(LOG_ERR, "invalid bulk in endpoint %s %s %d\n", URI, __FILE__, __LINE__);
+ return -1;
+ }
+
+ /* We only want the address, so mask out the direction bits */
+ ep = (ep & USB_ENDPOINT_ADDRESS_MASK);
+ /* open endpoint */
+ /* allocate data for the usb endpoint string */
+ pEndPoint = (char *)malloc(strlen(dev->filename)+20);
+ if(!pEndPoint)
+ return -1;
+ /* create device endpoint name string */
+ sprintf(pEndPoint, "%s.%d", dev->filename, ep);
+
+ /* open the endpoint with read write access */
+ endpoint_fd = open(pEndPoint, O_RDONLY, 0);
+ if(endpoint_fd < 0)
+ {
+ /* we failed to open the endpoint */
+ syslog(LOG_ERR, "unable to open bulk in endpoint (%s) %s %s %d\n", pEndPoint, URI, __FILE__, __LINE__);
+ free(pEndPoint);
+ return -1;
+ }
+ free(pEndPoint);
+
+ /* set short transfer so that we can allow "short" reads since we
+ will don't know exactly
+ what is coming so we can't specify exact byte amounts */
+ i = 1;
+ if (ioctl(endpoint_fd, USB_SET_SHORT_XFER, &i) < 0)
+ {
+ syslog(LOG_ERR, "USB_SET_SHORT_XFER set failed Device::Read : %s %s %d\n", URI,__FILE__, __LINE__);
+ }
+
+ /* 0 timeout value will cause us the wait until the device has data
+ available or is disconnected */
+ if (ioctl(endpoint_fd, USB_SET_TIMEOUT, &mili_timeout) < 0)
+ {
+ syslog(LOG_ERR, "USB_SET_TIMEOUT set failed Device::Read : %s %s %d\n", URI,__FILE__, __LINE__);
+ }
+
+ gettimeofday (&t1, NULL); /* get start time */
+
+ if (FD[fd].ucnt > 0)
+ {
+ /* copy buffered data to storage */
+ if (size <= FD[fd].ucnt)
+ {
+ memcpy(buf, FD[fd].ubuf, size);
+ FD[fd].uindex += size;
+ FD[fd].ucnt -= size;
+ bytes_read = size;
+ }
+ else
+ {
+ memcpy(buf, FD[fd].ubuf, FD[fd].ucnt);
+ bytes_read += FD[fd].ucnt;
+ FD[fd].ucnt = 0;
+ }
+ }
+ else if (FD[fd].ucnt == 0 && bytes_read < size)
+ {
+ /* reset data buffer */
+ FD[fd].uindex = 0;
+ /* offset storage to not overwrite data copied from the buffer */
+ pbuf_pos = (unsigned char *)((long)buf + bytes_read);
+ bytes_want = size - bytes_read;
+ do
+ {
+ if (bytes_want >= BUFFER_SIZE)
+ {
+ /* check to see if the device is ready for a read */
+ FD_ZERO(&ready);
+ FD_SET(endpoint_fd, &ready);
+ if (!FD_ISSET(endpoint_fd, &ready))
+ {
+ syslog(LOG_ERR, "timeout Device::Read : %s %s %d\n", URI,__FILE__, __LINE__);
+ errno = ETIMEDOUT;
+ return -1;
+ }
+ /* read directly into storage */
+ rlen = read(endpoint_fd, pbuf_pos, BUFFER_SIZE);
+ if (rlen < 0)
+ {
+ syslog(LOG_ERR, "error Device::Read : %s %s %d\n", URI,__FILE__, __LINE__);
+ return -1;
+ }
+ bytes_read += rlen;
+ bytes_want -= rlen;
+ pbuf_pos += rlen;
+ }
+ else if (bytes_want < BUFFER_SIZE)
+ {
+ /* check to see if the device is ready for a read */
+ FD_ZERO(&ready);
+ FD_SET(endpoint_fd, &ready);
+ if (!FD_ISSET(endpoint_fd, &ready))
+ {
+ syslog(LOG_ERR, "timeout Device::Read : %s %s %d\n", URI,__FILE__, __LINE__);
+ errno = ETIMEDOUT;
+ return -1;
+ }
+ /* read to buffer */
+ rlen = read(endpoint_fd, FD[fd].ubuf, BUFFER_SIZE);
+ if (rlen < 0)
+ {
+ syslog(LOG_ERR, "error Device::Read : %s %s %d\n", URI,__FILE__, __LINE__);
+ return -1;
+ }
+ if (rlen >= bytes_want)
+ {
+ memcpy(pbuf_pos, FD[fd].ubuf,
+ bytes_want);
+ FD[fd].uindex += bytes_want;
+ FD[fd].ucnt = rlen - bytes_want;
+ bytes_read += bytes_want;
+ bytes_want = 0;
+ }
+ else
+ {
+ memcpy(pbuf_pos, FD[fd].ubuf, rlen);
+ bytes_want -= rlen;
+ bytes_read += rlen;
+ pbuf_pos += rlen;
+ }
+ }
+ /* Bulk_read has a timeout, but bulk_read can return zero byte packet(s), so we must use our own timeout here. */
+ gettimeofday(&t2, NULL); /* get current time */
+
+ total_usec = (t2.tv_sec - t1.tv_sec)*1000000;
+ total_usec += (t2.tv_usec > t1.tv_usec) ? t2.tv_usec - t1.tv_usec : t1.tv_usec - t2.tv_usec;
+ if (total_usec > usec)
+ {
+ size = -1; /* timeout */
+ errno = ETIMEDOUT;
+ break;
+ }
+ tmo_usec = usec - total_usec; /* decrease timeout */
+ continue;
+ }
+ while (bytes_want > 0);
+ }
+
+ close(endpoint_fd);
+ return size;
}
#else
|
