FreeCalypso > hg > fc-tourmaline

annotate bwsplash/pbm2c.c @ 214:adfdbcd360fd

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backlight evolution: API between Condat driver and MFW With this change, the API between the Condat backlight driver and its user in MFW now carries more abstract backlight state codes (fully off, fully on, in call, charging boot mode) instead of 0-255 levels. This change is needed in order to more properly support different hardware targets with different capabilities and approaches in terms of backlight handling.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 23 Apr 2021 23:52:02 +0000
parents 4d9f24c501f3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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195
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * This program compiles bwsplash.pbm into a C char array
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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parents:
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3 * for inclusion into phone UI firmware source.
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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4 */
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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5
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parents:
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6 #include <sys/types.h>
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdio.h>
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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8 #include <stdlib.h>
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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9 #include <string.h>
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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10 #include <strings.h>
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11
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12 FILE *inf, *outf;
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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13 char *infname, linebuf[128];
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14 int lineno;
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15
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16 void
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17 get_input_line()
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18 {
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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19 char *cp;
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20
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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21 if (!fgets(linebuf, sizeof linebuf, inf)) {
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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22 fprintf(stderr, "%s: premature EOF\n", infname);
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23 exit(1);
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24 }
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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25 lineno++;
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26 cp = index(linebuf, '\n');
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27 if (!cp) {
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28 fprintf(stderr, "%s line %d: too long or missing newline\n",
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29 infname, lineno);
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30 exit(1);
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31 }
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32 *cp = '\0';
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33 }
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34
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35 void
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36 parse_pixel_line(outbuf, npix)
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37 u_char *outbuf;
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38 unsigned npix;
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39 {
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40 char *cp;
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Mychaela Falconia <falcon@freecalypso.org>
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41 u_char *dp;
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42 unsigned n;
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43
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44 cp = linebuf;
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
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45 dp = outbuf;
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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46 for (n = 0; n < npix; n++) {
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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47 if (*cp != '0' && *cp != '1') {
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48 inv: fprintf(stderr,
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49 "%s line %d: does not match expected line of %u 0/1 characters\n",
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50 infname, lineno, npix);
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51 exit(1);
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52 }
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53 *dp++ = *cp++ - '0';
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54 }
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55 if (*cp)
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56 goto inv;
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57 }
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58
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59 void
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60 pack_pixel_byte(bits)
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61 u_char *bits;
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62 {
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63 unsigned byte, mask, n;
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64
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65 byte = 0;
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66 for (n = 0, mask = 0x80; n < 8; n++, mask >>= 1)
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67 if (bits[n])
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68 byte |= mask;
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69 fprintf(outf, "0x%02X,", byte);
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70 }
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71
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72 main(argc, argv)
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73 char **argv;
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74 {
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75 unsigned nrow, ncol;
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76 u_char rowbuf[80];
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77
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78 if (argc != 3) {
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79 fprintf(stderr, "usage: %s pbmfile outfile\n", argv[0]);
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80 exit(1);
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81 }
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82 infname = argv[1];
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83 inf = fopen(infname, "r");
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84 if (!inf) {
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85 perror(infname);
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86 exit(1);
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87 }
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88 get_input_line();
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89 if (strcmp(linebuf, "P1")) {
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90 fprintf(stderr,
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parents:
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91 "error in %s: first line is not the expected \"P1\"\n",
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
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92 infname);
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93 exit(1);
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94 }
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parents:
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95 get_input_line();
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Mychaela Falconia <falcon@freecalypso.org>
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96 if (strcmp(linebuf, "80 30")) {
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97 fprintf(stderr,
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98 "error in %s: second line is not the expected \"80 30\"\n",
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99 infname);
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100 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 outf = fopen(argv[2], "w");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 if (!outf) {
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104 perror(argv[2]);
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105 exit(1);
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parents:
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106 }
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parents:
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107 for (nrow = 0; nrow < 30; nrow++) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 get_input_line();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 parse_pixel_line(rowbuf, 80);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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110 putc('\t', outf);
4d9f24c501f3 bwsplash: simple splash screen for FreeCalypso Lite (smallbw)
Mychaela Falconia <falcon@freecalypso.org>
parents:
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111 for (ncol = 0; ncol < 80; ncol += 8)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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112 pack_pixel_byte(rowbuf + ncol);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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113 putc('\n', outf);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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115 exit(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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116 }