info.c

   1 /* This file is generated with usbsnoop2libusb.pl from a usbsnoop log file. */
   2 /* Latest version of the script should be in http://iki.fi/lindi/usb/usbsnoop2libusb.pl */
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <assert.h>
   7 #include <signal.h>
   8 #include <ctype.h>
   9 #include <usb.h>
  10 #include "alphamote.h"
  11
  12 void print_bytes(char *bytes, int len) {
  13     int i;
  14     if (len > 0) {
  15         printf("00: ");
  16         for (i=0; i<len; i++) {
  17             printf("%02x ", (int)((unsigned char)bytes[i]));
  18             if ((i + 1) % 10 == 0) {
  19                 printf("\n");
  20                 printf("%02d: ", (i / 10) + 1);
  21             }
  22         }
  23         printf("\n");
  24     }
  25 }
  26
  27 void print_interpretation(char *buf) {
  28     // byte 35 and 36 are 100 * fstop
  29     long fstop_scaled = buf[35] & 255;
  30     fstop_scaled |= (buf[36] << 8);
  31     double fstop;
  32     fstop = (fstop_scaled / 100.0);
  33     printf("f%2.1f\n", fstop);
  34
  35     if (buf[95] == 1) {
  36         // if byte 95 is 1
  37         // byte 93 and 94 are 1/time
  38         printf("using 1/s\n");
  39         long time = (buf[93] & 255) | (buf[94] << 8);
  40         printf("1/%ds\n", time);
  41     }
  42     else {
  43         // byte 95 and 96 are 10*s (or bulb if 0)
  44         long time = (buf[95] & 255) | (buf[96] << 8);
  45         if (time != 0) {
  46             double time_s;
  47             time_s = (time / 10.0);
  48             printf("%2.1fs\n", time_s);
  49         }
  50         else {
  51             printf("bulb\n");
  52         }
  53     }
  54     // byte 41 identifies the focusing type
  55     if (buf[41] == 1) {
  56         printf("M\n");
  57     }
  58     else if (buf[41] == 4) {
  59         printf("AF-C\n");
  60     }
  61     else if (buf[41] == 5) {
  62         printf("AF-A\n");
  63     }
  64     else if (buf[41] == 2) {
  65         printf("AF-S\n");
  66     }
  67
  68     // bytes 71/72 identify drive/bracketing type
  69     if (buf[71] == 1) {
  70         printf("Singleshot\n");
  71     }
  72     else if (buf[71] == 2) {
  73         printf("Continuous drive (high)\n");
  74     }
  75     else if (buf[71] == 0x12) {
  76         printf("Continuous drive (low)\n");
  77     }
  78     else if (buf[71] == 4) {
  79         printf("Timer (10s)\n");
  80     }
  81     else if (buf[71] == 5) {
  82         printf("Timer (2s)\n");
  83     }
  84     else if (buf[71] == '\x37' && buf[72] == '\x83') {
  85         printf("Continuous bracketing (0.3 f-stops, 3 pictures)\n");
  86     }
  87     else if (buf[71] == '\x37' && buf[72] == '\x85') {
  88         printf("Continuous bracketing (0.3 f-stops, 5 pictures)\n");
  89     }
  90     else if (buf[71] == '\x57' && buf[72] == '\x83') {
  91         printf("Continuous bracketing (0.5 f-stops, 3 pictures)\n");
  92     }
  93     else if (buf[71] == '\x57' && buf[72] == '\x85') {
  94         printf("Continuous bracketing (0.5 f-stops, 5 pictures)\n");
  95     }
  96     else if (buf[71] == '\x77' && buf[72] == '\x83') {
  97         printf("Continuous bracketing (0.7 f-stops, 3 pictures)\n");
  98     }
  99     else if (buf[71] == '\x77' && buf[72] == '\x85') {
 100         printf("Continuous bracketing (0.7 f-stops, 5 pictures)\n");
 101     }
 102     else if (buf[71] == '\x47') {
 103         printf("Continuous bracketing (2 f-stops, 3 pictures)\n");
 104     }
 105     else if (buf[71] == '\x29') {
 106         printf("DR-+ bracketing (high)\n");
 107     }
 108     else if (buf[71] == '\x19') {
 109         printf("DR-+ bracketing (low)\n");
 110     }
 111     else if (buf[71] == '\x36' && buf[72] == '\x83') {
 112         printf("Single bracketing (0.3 f-stops, 3 pictures)\n");
 113     }
 114     else if (buf[71] == '\x36' && buf[72] == '\x85') {
 115         printf("Single bracketing (0.3 f-stops, 5 pictures)\n");
 116     }
 117     else if (buf[71] == '\x56' && buf[72] == '\x83') {
 118         printf("Single bracketing (0.5 f-stops, 3 pictures)\n");
 119     }
 120     else if (buf[71] == '\x56' && buf[72] == '\x85') {
 121         printf("Single bracketing (0.5 f-stops, 5 pictures)\n");
 122     }
 123     else if (buf[71] == '\x76' && buf[72] == '\x83') {
 124         printf("Single bracketing (0.7 f-stops, 3 pictures)\n");
 125     }
 126     else if (buf[71] == '\x76' && buf[72] == '\x85') {
 127         printf("Single bracketing (0.7 f-stops, 5 pictures)\n");
 128     }
 129     else if (buf[71] == '\x46') {
 130         printf("Single bracketing (2 f-stops, 3 pictures)\n");
 131     }
 132     else if (buf[71] == '\x28') {
 133         printf("WB bracketing (high)\n");
 134     }
 135     else if (buf[71] == '\x18') {
 136         printf("WB bracketing (low)\n");
 137     }
 138     else if (buf[71] == '\x0a') {
 139         printf("Remote control\n");
 140     }
 141 }
 142
 143 int main(int argc, char **argv) {
 144     int ret;
 145     char buf[65535];
 146
 147     init_usb();
 148
 149     ret = usb_get_descriptor(devh, 0x0000001, 0x0000000, buf, 0x0000012);
 150     usleep(4*1000);
 151     ret = usb_get_descriptor(devh, 0x0000002, 0x0000000, buf, 0x0000009);
 152     usleep(3*1000);
 153     ret = usb_get_descriptor(devh, 0x0000002, 0x0000000, buf, 0x0000027);
 154     usleep(4*1000);
 155     ret = usb_release_interface(devh, 0);
 156     if (ret != 0) printf("failed to release interface before set_configuration: %d\n", ret);
 157     ret = usb_set_configuration(devh, 0x0000001);
 158     ret = usb_claim_interface(devh, 0);
 159     if (ret != 0) printf("claim after set_configuration failed with error %d\n", ret);
 160     ret = usb_set_altinterface(devh, 0);
 161
 162     // get info (bulk read 62)
 163     usleep(100*1000);
 164     memcpy(buf, "\x0c\x00\x00\x00\x01\x00\x08\x92\x0f\x00\x00\x00", 0x000000c);
 165     ret = usb_bulk_write(devh, 0x00000001, buf, 0x000000c, 1000);
 166     usleep(4*1000);
 167     ret = usb_bulk_read(devh, 0x00000082, buf, 0x0000200, 1030);
 168     int i;
 169     print_interpretation(buf);
 170     printf("\n");
 171     print_bytes(buf, ret);
 172     usleep(4*1000);
 173     ret = usb_bulk_read(devh, 0x00000082, buf, 0x0000200, 1030);
 174     ret = usb_release_interface(devh, 0);
 175     assert(ret == 0);
 176     ret = usb_close(devh);
 177     assert(ret == 0);
 178     return 0;
 179 }