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comparison lcdtest/testmain.c @ 27:4b7cac119fb5

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lcdtest: added our own local exitcodes.h header
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 27 May 2018 21:49:46 +0000
parents 225556110fa6
children de3d3cfcbb35
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26:225556110fa6 27:4b7cac119fb5
1 #include <sys/types.h> 1 #include <sys/types.h>
2 #include <stdio.h> 2 #include <stdio.h>
3 #include <stdlib.h> 3 #include <stdlib.h>
4 #include <unistd.h> 4 #include <unistd.h>
5 #include <ftdi.h> 5 #include <ftdi.h>
6 #include "exitcodes.h"
6 7
7 char *device_serial; 8 char *device_serial;
8 struct ftdi_context ftdi; 9 struct ftdi_context ftdi;
9 10
10 process_cmdline(argc, argv) 11 process_cmdline(argc, argv)
18 case 'd': 19 case 'd':
19 device_serial = optarg; 20 device_serial = optarg;
20 continue; 21 continue;
21 default: 22 default:
22 /* error msg already printed */ 23 /* error msg already printed */
23 exit(1); 24 exit(ERROR_USAGE);
24 } 25 }
25 } 26 }
26 switch (argc - optind) { 27 switch (argc - optind) {
27 case 0: 28 case 0:
28 break; 29 break;
29 case 1: 30 case 1:
30 if (chdir(argv[optind]) < 0) { 31 if (chdir(argv[optind]) < 0) {
31 perror(argv[optind]); 32 perror(argv[optind]);
32 exit(1); 33 exit(ERROR_UNIX);
33 } 34 }
34 break; 35 break;
35 default: 36 default:
36 fprintf(stderr, "usage: %s [options] [chdir]\n", argv[0]); 37 fprintf(stderr, "usage: %s [options] [chdir]\n", argv[0]);
37 exit(1); 38 exit(ERROR_USAGE);
38 } 39 }
39 } 40 }
40 41
41 main(argc, argv) 42 main(argc, argv)
42 char **argv; 43 char **argv;
45 46
46 process_cmdline(argc, argv); 47 process_cmdline(argc, argv);
47 ftdi_init(&ftdi); 48 ftdi_init(&ftdi);
48 if (ftdi_usb_open_desc(&ftdi, 0x0403, 0x7157, 0, device_serial) < 0) { 49 if (ftdi_usb_open_desc(&ftdi, 0x0403, 0x7157, 0, device_serial) < 0) {
49 fprintf(stderr, "FTDI USB open failed: %s\n", ftdi.error_str); 50 fprintf(stderr, "FTDI USB open failed: %s\n", ftdi.error_str);
50 exit(1); 51 exit(ERROR_FTDI);
51 } 52 }
52 if (ftdi_set_bitmode(&ftdi, 0, BITMODE_MCU) < 0) { 53 if (ftdi_set_bitmode(&ftdi, 0, BITMODE_MCU) < 0) {
53 fprintf(stderr, "unable to enter MCU mode: %s\n", 54 fprintf(stderr, "unable to enter MCU mode: %s\n",
54 ftdi.error_str); 55 ftdi.error_str);
55 exit(1); 56 exit(ERROR_FTDI);
56 } 57 }
57 for (;;) { 58 for (;;) {
58 if (isatty(0)) { 59 if (isatty(0)) {
59 fputs("lcdtest> ", stdout); 60 fputs("lcdtest> ", stdout);
60 fflush(stdout); 61 fflush(stdout);