FreeCalypso > hg > freecalypso-sw

annotate loadtools/tpinterf2.c @ 275:cedf09b6b5ac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
started laying the foundation for fc-fsio host utility
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 23 Feb 2014 20:27:15 +0000
parents 05af070c4b60
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
35
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 * This module provides a more advanced target interface function
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 * than tpinterf.c - programmatic capture of target responses,
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 * for dumps etc. It will be linked by fc-loadtool, but not fc-chainload.
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 */
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 #include <sys/types.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #include <sys/time.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 #include <sys/errno.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 #include <stdio.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 #include <string.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 #include <strings.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 #include <stdlib.h>
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 extern int errno;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 extern int target_fd;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 /*
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 * This functions reads the serial output from the target until a
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 * '=' prompt is received. All intermediate output is parsed into
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 * lines and passed to a callback function.
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 *
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 * The callback function is called with a pointer to each received
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 * line, stored in a buffer ending in NUL, with CRLF stripped.
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 * The callback function is expected to return an int. If the
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 * callback return value is negative, this function returns immediately
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 * with that negative value. If the callback return value is positive
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 * or zero, it is added to an accumulator.
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 *
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 * Termination: this function returns when it has received a '=' at
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 * the beginning of a line (return value is the callback return
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 * accumulator, or 0 if no lines came), if the callback returns a
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 * negative value (that value is returned), or if an error is detected
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 * within this function (return value -1, and an error message
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 * printed on stderr).
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 */
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 tpinterf_capture_output(timeout, callback)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 int timeout; /* seconds */
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 int (*callback)();
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41 {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
42 char buf[512], *cp;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
43 char line[1024], *dp = line;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
44 fd_set fds;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
45 struct timeval tv;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
46 int cc, linelen = 0;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
47 int totout = 0, cbret;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
49 for (;;) {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
50 FD_ZERO(&fds);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
51 FD_SET(target_fd, &fds);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
52 tv.tv_sec = timeout;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
53 tv.tv_usec = 0;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
54 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
55 if (cc < 0) {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
56 if (errno == EINTR)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
57 continue;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
58 perror("select");
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
59 return(-1);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
60 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
61 if (cc < 1) {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
62 fprintf(stderr,
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
63 "error: timeout waiting for \'=\' prompt from target\n");
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
64 return(-1);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
65 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
66 cc = read(target_fd, buf, sizeof buf);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
67 if (cc <= 0) {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
68 perror("read after successful select");
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
69 return(-1);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
70 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
71 for (cp = buf; cc; cp++) {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
72 cc--;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
73 if (*cp == '=' && !linelen && !cc)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
74 return(totout);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
75 if (*cp == '\r')
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
76 continue;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
77 if (*cp == '\n') {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
78 *dp = '\0';
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
79 cbret = callback(line);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
80 if (cbret < 0)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
81 return(cbret);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
82 totout += cbret;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
83 dp = line;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
84 linelen = 0;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
85 continue;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
86 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
87 *dp++ = *cp;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
88 linelen++;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
89 if (linelen >= sizeof line) {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
90 fprintf(stderr,
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
91 "error: target response line length exceeds buffer\n");
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
92 return(-1);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
93 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
94 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
95 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
96 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
97
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
98 /* single line response capture mechanism */
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
99 /* same line buffer size as in tpinterf_capture_output() */
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
100 char target_response_line[1024];
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
101
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
102 static
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
103 oneline_catcher(linein)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
104 char *linein;
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
105 {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
106 strcpy(target_response_line, linein);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
107 return(1);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
108 }
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
109
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
110 tpinterf_capture_output_oneline(timeout)
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
111 {
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
112 return tpinterf_capture_output(timeout, oneline_catcher);
05af070c4b60 loadtool: preparations for dump2bin and dump2srec
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
113 }