annotate testugen2.c @ 38:0a148f362097

Use \r\n instead of \n\r (keeps pexpect happy)
author darius
date Fri, 23 Nov 2007 12:01:54 +1030
parents d5a265299a4b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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27
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1 #include <sys/types.h>
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2 #include <sys/ioctl.h>
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3 #include <dev/usb/usb.h>
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4 #include <sys/errno.h>
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5 #include <sys/uio.h>
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6 #include <unistd.h>
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7 #include <fcntl.h>
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8 #include <stdio.h>
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9 #include <string.h>
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10 #include <stdlib.h>
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11
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12 /* Return codes for OWFirst()/OWNext() */
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13 #define OW_BADWIRE -3
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14 #define OW_BADCRC -2
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15 #define OW_NOPRESENCE -1
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16 #define OW_NOMODULES 0
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17 #define OW_FOUND 1
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18
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19 void docmd(int fd, uint8_t *buffer, int rlen, int wlen);
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20
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21 int
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22 main(int argc, char **argv) {
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23 int endptfd, i;
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24 char *endptname = "/dev/ugen0.2";
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25 uint8_t buffer[9];
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26
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27 if (argc < 2) {
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28 fprintf(stderr,
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29 "Bad usage:\n"
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30 "\t%s cmd\n", argv[0]);
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31 exit(1);
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32 }
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33
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34 if ((endptfd = open(endptname, O_RDWR)) == -1) {
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35 fprintf(stderr, "Unable to open %s: %s\n", endptname, strerror(errno));
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36 exit(1);
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37 }
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38
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39 i = 1;
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40 if (ioctl(endptfd, USB_SET_SHORT_XFER, &i) == -1) {
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41 fprintf(stderr, "Unable to set short xfer on end point 1: %s\n", strerror(errno));
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42 exit(1);
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43 }
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44
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45 bzero(buffer, 9);
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46
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47 if (!strcmp(argv[1], "reset")) {
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48 buffer[0] = 0x00;
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49 docmd(endptfd, buffer, 1, 1);
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50 printf("OWTouchReset() reported %d\n", buffer[0]);
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51 } else if (!strcmp(argv[1], "first")) {
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52 buffer[0] = 0x01;
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53 docmd(endptfd, buffer, 1, 9);
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54 printf("OWFirst() = %d\n", buffer[0]);
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55 if (buffer[0] == OW_FOUND)
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56 printf("Found module %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
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57 buffer[1], buffer[2], buffer[3], buffer[4],
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58 buffer[5], buffer[6], buffer[7], buffer[8]);
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59 } else if (!strcmp(argv[1], "next")) {
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60 if (scanf(argv[2], "%hh:%hh:%hh:%hh:%hh:%hh:%hh:%hh", &buffer[1], &buffer[2], &buffer[3],
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61 &buffer[4], &buffer[5], &buffer[6], &buffer[7], &buffer[8]) != 8) {
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62 fprintf(stderr, "Unable to parse ROM ID\n");
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63 exit(1);
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64 }
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65 buffer[0] = 0x02;
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66 fprintf(stderr, "About to OWNext()\n");
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67 docmd(endptfd, buffer, 9, 9);
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68 fprintf(stderr, "OWNext() = %d\n", buffer[0]);
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69 if (buffer[0] == OW_FOUND)
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70 printf("Found module %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
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71 buffer[1], buffer[2], buffer[3], buffer[4],
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72 buffer[5], buffer[6], buffer[7], buffer[8]);
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73
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74 } else if (!strcmp(argv[1], "scan")) {
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75 buffer[0] = 0x00;
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76 fprintf(stderr, "About to reset\n");
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77 docmd(endptfd, buffer, 1, 1);
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78 printf("OWReset() reported %d\n", buffer[0]);
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79 if (buffer[0] != 0)
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80 exit(1);
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81
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82 bzero(buffer, 9);
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83 buffer[0] = 0x01;
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84 fprintf(stderr, "About to OWFirst()\n");
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85 docmd(endptfd, buffer, 1, 9);
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86 printf("OWFirst() = %d\n", buffer[0]);
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87
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88 do {
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89 switch (buffer[0]) {
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90 case OW_BADWIRE:
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91 printf("Bad wiring, either bus is held low, or a presence pulse was detected but no module found\n");
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92 break;
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93
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94 case OW_NOPRESENCE:
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95 printf("No presence pulse detected\n");
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96 break;
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97
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98 case OW_BADCRC:
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99 printf("Bad CRC\n");
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100 break;
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101
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102 case OW_NOMODULES:
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103 case OW_FOUND:
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104 break;
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105
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106 default:
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107 printf("Unknown return code %d\n", buffer[0]);
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108 break;
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109 }
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110
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111 if (buffer[0] != OW_FOUND) {
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112 printf("No more modules\n");
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113 break;
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114 } else {
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115 printf("Found module %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
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116 buffer[1], buffer[2], buffer[3], buffer[4],
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117 buffer[5], buffer[6], buffer[7], buffer[8]);
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118 }
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119
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120 buffer[0] = 0x02;
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121 fprintf(stderr, "About to OWNext()\n");
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122 docmd(endptfd, buffer, 9, 9);
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123 } while(1);
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124 } else {
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125 printf("Unknown command: %s\n", argv[1]);
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126 exit(1);
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127 }
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128
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129
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130 exit(0);
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131 }
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132
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133 void
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134 docmd(int fd, uint8_t *buffer, int wlen, int rlen) {
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135 char blah[20];
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136 int i;
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137
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138 fprintf(stderr, "About to write\n");
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139 gets(blah);
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140
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141 if ((i = write(fd, buffer, wlen)) == -1) {
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142 fprintf(stderr, "Unable to write end point: %s\n", strerror(errno));
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143 exit(1);
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144 }
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145 if (i != wlen)
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146 printf("Warning, only wrote %d of %d bytes\n", i, wlen);
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147
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148 fprintf(stderr, "About to read\n");
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149 gets(blah);
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150
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151 if ((i = read(fd, buffer, rlen)) == -1) {
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152 fprintf(stderr, "Unable to read from end point: %s\n", strerror(errno));
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153 exit(1);
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154 }
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155 if (i != rlen)
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156 printf("Warning, only read %d of %d bytes\n", i, wlen);
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157 }
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158
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159