comparison autocal/txcalconf.c @ 76:5c3574f8c8c1

fc-rfcal-txband: reading of basis & targets setting files implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 15 Jul 2017 20:08:55 +0000
parents
children 1d3dd589a857
comparison
equal deleted inserted replaced
75:93653fe9b4ef 76:5c3574f8c8c1
1 /*
2 * The code that reads and parses Tx calibration profiles lives here.
3 */
4
5 #include <sys/param.h>
6 #include <ctype.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include <strings.h>
11 #include <rvinterf/exitcodes.h>
12 #include "txband.h"
13
14 char txlevels_directory[] = "/opt/freecalypso/rfcal/txlevels";
15
16 extern struct txcal_band *txcal_band;
17 extern char *txlevels_profile;
18
19 extern struct tx_basis_point tx_basis[MAX_BASIS_POINTS];
20 extern unsigned num_basis_points;
21
22 extern struct tx_level tx_levels[MAX_TX_LEVELS];
23
24 static basis_set, targets_set;
25
26 static void
27 do_basis_line(cp, filename_for_errs, lineno)
28 char *cp, *filename_for_errs;
29 {
30 unsigned n;
31
32 for (n = 0; ; n++) {
33 while (isspace(*cp))
34 cp++;
35 if (*cp == '\0' || *cp == '#')
36 break;
37 if (!isdigit(*cp)) {
38 fprintf(stderr,
39 "%s line %d: non-numeric content not allowed\n",
40 filename_for_errs, lineno);
41 exit(ERROR_USAGE);
42 }
43 if (n >= MAX_BASIS_POINTS) {
44 fprintf(stderr,
45 "%s line %d: MAX_BASIS_POINTS exceeded\n",
46 filename_for_errs, lineno);
47 exit(ERROR_USAGE);
48 }
49 tx_basis[n].apc = atoi(cp);
50 while (isdigit(*cp))
51 cp++;
52 }
53 if (n < 2) {
54 fprintf(stderr,
55 "%s line %d: a minimum of 2 basis points must be given\n",
56 filename_for_errs, lineno);
57 exit(ERROR_USAGE);
58 }
59 num_basis_points = n;
60 basis_set = 1;
61 }
62
63 static void
64 do_targets_line(cp, filename_for_errs, lineno)
65 char *cp, *filename_for_errs;
66 {
67 unsigned expect_num, n;
68
69 expect_num = txcal_band->end_plnum - txcal_band->start_plnum + 1;
70 for (n = 0; ; n++) {
71 while (isspace(*cp))
72 cp++;
73 if (*cp == '\0' || *cp == '#')
74 break;
75 if (!isdigit(*cp)) {
76 fprintf(stderr,
77 "%s line %d: non-numeric content not allowed\n",
78 filename_for_errs, lineno);
79 exit(ERROR_USAGE);
80 }
81 if (n >= expect_num) {
82 wrong_num: fprintf(stderr,
83 "%s line %d: exactly %u target numbers expected\n",
84 filename_for_errs, lineno, expect_num);
85 exit(ERROR_USAGE);
86 }
87 tx_levels[txcal_band->start_plnum + n].target = atof(cp);
88 while (isdigit(*cp) || *cp == '.')
89 cp++;
90 }
91 if (n != expect_num)
92 goto wrong_num;
93 targets_set = 1;
94 }
95
96 static void
97 process_line(linebuf, filename_for_errs, lineno)
98 char *linebuf, *filename_for_errs;
99 {
100 char *cp, *np;
101
102 for (cp = linebuf; isspace(*cp); cp++)
103 ;
104 if (*cp == '\0' || *cp == '#')
105 return;
106 for (np = cp; *cp && !isspace(*cp); cp++)
107 ;
108 if (*cp)
109 *cp++ = '\0';
110 if (!strcmp(np, "basis"))
111 do_basis_line(cp, filename_for_errs, lineno);
112 else if (!strcmp(np, "targets"))
113 do_targets_line(cp, filename_for_errs, lineno);
114 else {
115 fprintf(stderr, "%s line %d: unknown keyword \"%s\"\n",
116 filename_for_errs, lineno, np);
117 exit(ERROR_USAGE);
118 }
119 }
120
121 read_tx_cal_profile()
122 {
123 char pathname[MAXPATHLEN];
124 FILE *inf;
125 int lineno;
126 char linebuf[512];
127
128 sprintf(pathname, "%s/%s-%s", txlevels_directory, txlevels_profile,
129 txcal_band->name);
130 inf = fopen(pathname, "r");
131 if (!inf) {
132 perror(pathname);
133 exit(ERROR_USAGE);
134 }
135 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++)
136 process_line(linebuf, pathname, lineno);
137 fclose(inf);
138 if (!basis_set) {
139 fprintf(stderr, "error: basis not set in %s\n", pathname);
140 exit(ERROR_USAGE);
141 }
142 if (!targets_set) {
143 fprintf(stderr, "error: targets not set in %s\n", pathname);
144 exit(ERROR_USAGE);
145 }
146 }