git.zerfleddert.de Git - usb-driver/blob - config.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "config.h"
   4
   5 static struct parport_config pp_config[4];
   6
   7 static void read_config() {
   8         int i;
   9         static int config_read = 0;
  10
  11         if (config_read)
  12                 return;
  13
  14         config_read = 1;
  15
  16         for (i=0; i<sizeof(pp_config)/sizeof(struct parport_config); i++) {
  17                 pp_config[i].num = i;
  18                 pp_config[i].ppbase = i*0x10;
  19                 pp_config[i].real = 1;
  20         }
  21
  22 #ifdef JTAGKEY
  23         pp_config[3].real = 0;
  24         pp_config[3].usb_vid = 0x0403;
  25         pp_config[3].usb_pid = 0xcff8;
  26 #endif
  27 }
  28
  29 unsigned char config_is_real_pport(int num) {
  30         int ret = 1;
  31         int i;
  32
  33         read_config();
  34
  35         for (i=0; i<sizeof(pp_config)/sizeof(struct parport_config); i++) {
  36                 if (pp_config[i].num == num) {
  37                         ret = pp_config[i].real;
  38                         break;
  39                 }
  40         }
  41
  42         return ret;
  43 }
  44
  45 unsigned short config_usb_vid(int num) {
  46         unsigned short ret = 0x00;
  47         int i;
  48
  49         read_config();
  50
  51         for (i=0; i<sizeof(pp_config)/sizeof(struct parport_config); i++) {
  52                 if (pp_config[i].num == num) {
  53                         ret = pp_config[i].usb_vid;
  54                         break;
  55                 }
  56         }
  57
  58         return ret;
  59 }
  60
  61 unsigned short config_usb_pid(int num) {
  62         unsigned short ret = 0x00;
  63         int i;
  64
  65         read_config();
  66
  67         for (i=0; i<sizeof(pp_config)/sizeof(struct parport_config); i++) {
  68                 if (pp_config[i].num == num) {
  69                         ret = pp_config[i].usb_pid;
  70                         break;
  71                 }
  72         }
  73
  74         return ret;
  75 }