FreeCalypso > hg > fc-sim-tools

annotate serial/baud_parse.c @ 45:9eb5460f51a6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
main tools: support both pcsc and serial back ends
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 Mar 2021 01:56:49 +0000
parents 8f505d413815
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
40
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module handles the parsing of the baud rate and speed enhancement
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * command line argument.
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <ctype.h>
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdio.h>
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdlib.h>
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 unsigned baud_base, baud_spenh, spenh_host_max;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 void
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 parse_baud_spenh_arg(arg)
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 char *arg;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 {
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 char *cp;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 if (!isdigit(*arg)) {
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 inv: fprintf(stderr,
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 "error: invalid baud/spenh selection argument \"%s\"\n",
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 arg);
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 exit(1);
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 }
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 baud_base = strtoul(arg, &cp, 10);
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (!*cp)
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 return;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 if (*cp++ != ',')
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 goto inv;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 if (!isdigit(*cp))
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 goto inv;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 baud_spenh = strtoul(cp, &cp, 10);
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 if (!*cp) {
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 spenh_host_max = 1;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 return;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 }
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 if (*cp++ != ',')
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 goto inv;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 if (!isdigit(*cp) || cp[1])
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 goto inv;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 spenh_host_max = *cp - '0';
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 switch (spenh_host_max) {
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 case 1:
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 case 2:
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 case 4:
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 case 8:
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 break;
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 default:
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 fprintf(stderr,
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 "error: speed enhancement multiplier can only be 1, 2, 4 or 8\n");
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 exit(1);
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
8f505d413815 serial: full baud/spenh argument parsing implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 }