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annotate fteeprom/ftee-gen2232h.c @ 173:df4bf4e06221

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doc: several articles moved to other repositories
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Sep 2023 06:51:05 +0000
parents 6a2886f9943e
children
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40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
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1 #include <sys/types.h>
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2 #include <ctype.h>
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3 #include <string.h>
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4 #include <strings.h>
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <unistd.h>
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8
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9 char *configfile, *serial;
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10
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11 u_short vid = 0x0403, pid = 0x6010;
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12 char *manuf, *product;
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13 u_char byte00 = 0x08, byte01 = 0x08;
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14 u_char byte08 = 0x80, byte0A = 0x00;
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15 unsigned maxpower = 100;
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16 u_char group0, group1, group2, group3;
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17
44
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18 u_short eeprom[128];
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19 u_char eeprom_chip = 0x46;
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20 unsigned eeprom_size, eeprom_string_ptr;
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21
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22 process_cmdline(argc, argv)
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23 char **argv;
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24 {
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25 int c;
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26 extern int optind;
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27
44
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28 while ((c = getopt(argc, argv, "bB")) != EOF) {
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29 switch (c) {
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30 case 'b':
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31 eeprom_chip = 0x56;
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32 continue;
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33 case 'B':
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34 eeprom_chip = 0x66;
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35 continue;
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36 default:
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37 /* error msg already printed */
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38 exit(1);
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39 }
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40 }
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41 if (argc < optind + 1 || argc > optind + 2) {
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42 fprintf(stderr,
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43 "usage: %s [options] config-file [serial-num]\n",
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44 argv[0]);
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45 exit(1);
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46 }
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47 configfile = argv[optind];
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48 serial = argv[optind+1];
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49 }
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50
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51 init_eeprom_size()
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52 {
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53 if (eeprom_chip == 0x46) {
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54 eeprom_size = 64;
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55 eeprom_string_ptr = 0x0D;
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56 } else {
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57 eeprom_size = 128;
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58 eeprom_string_ptr = 0x4D;
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59 }
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60 }
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61
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62 read_config_file()
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63 {
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64 FILE *inf;
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65 char linebuf[1024];
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66 int lineno;
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67 char *cp, *np;
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68
44
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69 inf = fopen(configfile, "r");
40
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70 if (!inf) {
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71 perror(configfile);
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72 exit(1);
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73 }
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74 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
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75 cp = index(linebuf, '\n');
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76 if (!cp) {
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77 fprintf(stderr,
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78 "%s line %d: too long or unterminated\n",
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79 configfile, lineno);
40
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80 exit(1);
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81 }
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82 *cp = '\0';
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83 for (cp = linebuf; isspace(*cp); cp++)
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84 ;
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85 if (*cp == '\0' || *cp == '#')
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86 continue;
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87 for (np = cp; *cp && !isspace(*cp); cp++)
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88 ;
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89 if (*cp)
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90 *cp++ = '\0';
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91 while (isspace(*cp))
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92 cp++;
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93 if (*cp == '\0' || *cp == '#') {
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94 fprintf(stderr,
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95 "%s line %d: \"%s\" setting without argument\n",
44
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96 configfile, lineno, np);
40
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97 exit(1);
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98 }
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99 if (!strcmp(np, "vid"))
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100 vid = strtoul(cp, 0, 16);
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101 else if (!strcmp(np, "pid"))
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102 pid = strtoul(cp, 0, 16);
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Mychaela Falconia <falcon@freecalypso.org>
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103 else if (!strcmp(np, "manuf"))
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Mychaela Falconia <falcon@freecalypso.org>
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104 manuf = strdup(cp);
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105 else if (!strcmp(np, "product"))
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106 product = strdup(cp);
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107 else if (!strcmp(np, "byte00"))
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Mychaela Falconia <falcon@freecalypso.org>
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108 byte00 = strtoul(cp, 0, 16);
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109 else if (!strcmp(np, "byte01"))
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110 byte01 = strtoul(cp, 0, 16);
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Mychaela Falconia <falcon@freecalypso.org>
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111 else if (!strcmp(np, "byte08"))
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Mychaela Falconia <falcon@freecalypso.org>
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112 byte08 = strtoul(cp, 0, 16);
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Mychaela Falconia <falcon@freecalypso.org>
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113 else if (!strcmp(np, "byte0A"))
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Mychaela Falconia <falcon@freecalypso.org>
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114 byte0A = strtoul(cp, 0, 16);
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Mychaela Falconia <falcon@freecalypso.org>
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115 else if (!strcmp(np, "maxpower"))
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Mychaela Falconia <falcon@freecalypso.org>
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116 maxpower = strtoul(cp, 0, 10);
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117 else if (!strcmp(np, "group0"))
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Mychaela Falconia <falcon@freecalypso.org>
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118 group0 = strtoul(cp, 0, 16);
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Mychaela Falconia <falcon@freecalypso.org>
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119 else if (!strcmp(np, "group1"))
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Mychaela Falconia <falcon@freecalypso.org>
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120 group1 = strtoul(cp, 0, 16);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 else if (!strcmp(np, "group2"))
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 group2 = strtoul(cp, 0, 16);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 else if (!strcmp(np, "group3"))
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 group3 = strtoul(cp, 0, 16);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 else {
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 fprintf(stderr, "%s line %d: unknown \"%s\" setting\n",
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
127 configfile, lineno, np);
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 exit(1);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 fclose(inf);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 if (!manuf) {
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
133 fprintf(stderr, "error: manuf not set in %s\n", configfile);
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 exit(1);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 if (!product) {
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
137 fprintf(stderr, "error: product not set in %s\n", configfile);
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 exit(1);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 write_string(str)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 char *str;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 {
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 unsigned longlen, startptr;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
147 if (eeprom_size - 1 - eeprom_string_ptr < strlen(str) + 1) {
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 fprintf(stderr, "error: strings are too long\n");
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 exit(1);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 longlen = strlen(str) * 2 + 2;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 startptr = eeprom_string_ptr;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 eeprom[eeprom_string_ptr++] = 0x0300 | longlen;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 while (*str)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 eeprom[eeprom_string_ptr++] = *str++;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 return (longlen << 8) | 0x80 | (startptr << 1);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
159 fill_eeprom()
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 {
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 u_char byte09;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 if (serial)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 byte0A |= 0x08;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 else
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 byte0A &= 0xF7;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 byte09 = maxpower / 2;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 eeprom[0] = (byte01 << 8) | byte00;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 eeprom[1] = vid;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 eeprom[2] = pid;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 eeprom[3] = 0x0700;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 eeprom[4] = (byte09 << 8) | byte08;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 eeprom[5] = byte0A;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 eeprom[6] = (group3 << 12) | (group2 << 8) | (group1 << 4) | group0;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 eeprom[7] = write_string(manuf);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 eeprom[8] = write_string(product);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 if (serial)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 eeprom[9] = write_string(serial);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 else
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 eeprom[9] = 0;
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
181 eeprom[12] = eeprom_chip;
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 do_checksum()
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 {
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 u_short chksum = 0xAAAA;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 unsigned n;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
189 for (n = 0; n < eeprom_size - 1; n++) {
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 chksum ^= eeprom[n];
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 chksum = (chksum << 1) | (chksum >> 15);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 }
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
193 eeprom[n] = chksum;
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 emit_output()
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 {
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 unsigned n, col;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
200 for (n = 0; n < eeprom_size; n++) {
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 col = n & 7;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 if (col == 0)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 printf("%02X:", n * 2);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 printf(" %04X", eeprom[n]);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 if (col == 7)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 putchar('\n');
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 }
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 main(argc, argv)
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 char **argv;
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 {
44
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
213 process_cmdline(argc, argv);
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
214 read_config_file();
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
215 init_eeprom_size();
6a2886f9943e ftee-gen2232h: same change as in ftee-gen2232c
Mychaela Falconia <falcon@freecalypso.org>
parents: 40
diff changeset
216 fill_eeprom();
40
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 do_checksum();
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 emit_output();
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 exit(0);
d150d4704ff5 fteeprom: ftee-gen2232h program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 }