FreeCalypso > hg > freecalypso-ui-dev

annotate lcdpoll/main.c @ 10:ad0d9f7c06e9 default tip

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README: update for the present situation
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 29 Dec 2019 23:01:26 +0000
parents 45c81216d964
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3
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1 /*
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2 * This is the main module for fc-lcdpoll.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <unistd.h>
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11 #include <rvinterf/etm.h>
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12 #include <rvinterf/localtypes.h>
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13 #include <rvinterf/exitcodes.h>
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14
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15 extern char *socket_pathname;
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16 extern char *rvinterf_ttyport, *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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17
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18 u32 framebuffer_base_addr;
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19
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20 emit_lcd_string(row, col, buf)
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21 unsigned row, col;
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22 u_char *buf;
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23 {
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24 unsigned pos;
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25
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26 printf("%u %u ", row, col);
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27 for (pos = 0; pos < 176; pos += 2)
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28 printf("%02X%02X", buf[pos+1] ^ 0xFF, buf[pos] ^ 0xFF);
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45c81216d964 fc-lcdpoll: works after minor fix
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29 putchar('\n');
3
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30 }
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31
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32 fb_poll()
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33 {
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34 unsigned row;
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35 u_char buf[176];
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36 int rc;
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37
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38 for (row = 0; row < 220; row++) {
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39 rc = do_memory_read_32(framebuffer_base_addr + row * 356,
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40 buf, 44);
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41 if (rc)
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42 exit(rc);
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43 emit_lcd_string(row, 0, buf);
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44 rc = do_memory_read_32(framebuffer_base_addr + row * 356 + 176,
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45 buf, 44);
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46 if (rc)
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47 exit(rc);
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48 emit_lcd_string(row, 88, buf);
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49 fflush(stdout);
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50 }
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51 }
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52
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53 main(argc, argv)
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54 char **argv;
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55 {
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56 extern int optind;
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57 extern char *optarg;
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58 int c, sopt = 0;
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59
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60 while ((c = getopt(argc, argv, "B:l:p:s:w:")) != EOF)
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61 switch (c) {
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62 case 'B':
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63 rvinterf_Bopt = optarg;
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64 continue;
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65 case 'l':
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66 rvinterf_lopt = optarg;
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67 continue;
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68 case 'p':
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69 rvinterf_ttyport = optarg;
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70 continue;
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71 case 's':
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72 socket_pathname = optarg;
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73 sopt++;
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74 continue;
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75 case 'w':
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76 rvinterf_wopt = optarg;
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77 continue;
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78 case '?':
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79 default:
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80 /* error msg already printed */
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81 exit(ERROR_USAGE);
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82 }
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83 if (rvinterf_ttyport) {
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84 if (sopt) {
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85 fprintf(stderr,
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86 "%s error: -p and -s options are mutually exclusive\n",
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87 argv[0]);
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88 exit(ERROR_USAGE);
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89 }
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90 launch_rvinterf();
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91 } else {
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92 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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93 fprintf(stderr,
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94 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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95 argv[0]);
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96 exit(ERROR_USAGE);
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97 }
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98 connect_local_socket();
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99 }
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100 if (argc != optind + 1) {
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101 fprintf(stderr, "usage: %s [options] framebuffer_base_addr\n",
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102 argv[0]);
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103 exit(ERROR_USAGE);
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104 }
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105 framebuffer_base_addr = strtoul(argv[optind], 0, 16);
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106
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107 for (;;)
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108 fb_poll();
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109 }