FreeCalypso > hg > freecalypso-sw

annotate lcdemu/process.c @ 1025:4c80a6e6723f

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gsm-fw: added provisional support for FCDEV3B target ahead of the hardware
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Tue, 03 May 2016 23:46:54 +0000
parents 7a189b7bbd67
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
903
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1 /*
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2 * Processing of LCD output (input to us)
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3 */
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4
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5 #include <stdio.h>
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6 #include <stdint.h>
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7 #include <stdlib.h>
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8 #include <ctype.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <X11/Xlib.h>
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12 #include <X11/Xresource.h>
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13 #include <X11/Xutil.h>
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14 #include "globals.h"
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15
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16 #define MAX_WIDTH 176
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17
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18 static unsigned
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19 hexdecode(str)
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20 char *str;
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21 {
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22 unsigned accum = 0;
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23 int i, c, n;
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24
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25 for (i = 0; i < 4; i++) {
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26 c = str[i];
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27 if (isdigit(c))
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28 n = c - '0';
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29 else if (isupper(c))
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30 n = c - 'A' + 10;
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31 else
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32 n = c - 'a' + 10;
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33 accum <<= 4;
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34 accum |= n;
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35 }
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36 return(accum);
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37 }
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38
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39 process_input_line(line)
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40 char *line;
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41 {
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42 int blitrow, blitcol, npix;
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43 uint16_t pix16[MAX_WIDTH];
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44 char *cp;
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45 XImage *xi;
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46
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47 for (cp = line; isspace(*cp); cp++)
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48 ;
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49 if (!isdigit(*cp)) {
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50 inv: fprintf(stderr, "fc-lcdemu: invalid input line\n");
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51 exit(1);
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52 }
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53 blitrow = atoi(cp);
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54 while (isdigit(*cp))
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55 cp++;
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56 if (!isspace(*cp))
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57 goto inv;
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58 while (isspace(*cp))
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59 cp++;
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60 if (!isdigit(*cp))
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61 goto inv;
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62 blitcol = atoi(cp);
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63 while (isdigit(*cp))
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64 cp++;
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65 if (!isspace(*cp))
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66 goto inv;
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67 while (isspace(*cp))
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68 cp++;
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69 if (!isxdigit(*cp))
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70 goto inv;
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71 for (npix = 0; *cp; ) {
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72 if (!isxdigit(cp[0]) || !isxdigit(cp[1]) ||
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73 !isxdigit(cp[2]) || !isxdigit(cp[3]))
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74 goto inv;
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75 if (npix >= MAX_WIDTH) {
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76 fprintf(stderr,
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77 "fc-lcdemu error: input line exceeds MAX_WIDTH of %d pixels\n",
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78 MAX_WIDTH);
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79 exit(1);
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80 }
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81 pix16[npix++] = hexdecode(cp);
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82 cp += 4;
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83 }
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84 xi = convert_function(pix16, npix);
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85 XPutImage(mydisplay, mainwindow, mainwingc, xi, 0, 0, blitcol, blitrow,
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86 npix, 1);
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87 XDestroyImage(xi);
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88 }
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89
903
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90 input_on_stdin(inbuf, incount)
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91 char *inbuf;
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92 {
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93 char *input_end = inbuf + incount;
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94 static char linebuf[1024];
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95 static int linesz;
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96 char *cp;
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97
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98 for (cp = inbuf; cp < input_end; cp++) {
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99 if (*cp == '\n') {
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100 linebuf[linesz] = '\0';
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101 process_input_line(linebuf);
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102 linesz = 0;
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103 continue;
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104 }
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105 if (linesz < sizeof(linebuf) - 1)
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106 linebuf[linesz++] = *cp;
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107 }
903
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108 }