lib/driver/misc_options.cpp

   1 #include <cstring>
   2 #include <lib/driver/misc_options.h>
   3
   4 #include <unistd.h>
   5 #include <fcntl.h>
   6 #include <sys/ioctl.h>
   7
   8 #include <lib/base/init.h>
   9 #include <lib/base/init_num.h>
  10 #include <lib/base/eerror.h>
  11
  12 Misc_Options *Misc_Options::instance = 0;
  13
  14 Misc_Options::Misc_Options()
  15         :m_12V_output_state(-1)
  16 {
  17         ASSERT(!instance);
  18         instance = this;
  19 }
  20
  21 int Misc_Options::set_12V_output(int state)
  22 {
  23         if (state == m_12V_output_state)
  24                 return 0;
  25         int fd = open("/proc/stb/misc/12V_output", O_WRONLY);
  26         if (fd < 0)
  27         {
  28                 eDebug("couldn't open /proc/stb/misc/12V_output");
  29                 return -1;
  30         }
  31         const char *str=0;
  32         if (state == 0)
  33                 str = "off";
  34         else if (state == 1)
  35                 str = "on";
  36         if (str)
  37                 write(fd, str, strlen(str));
  38         m_12V_output_state = state;
  39         close(fd);
  40         return 0;
  41 }
  42
  43 bool Misc_Options::detected_12V_output()
  44 {
  45         int fd = open("/proc/stb/misc/12V_output", O_WRONLY);
  46         if (fd < 0)
  47         {
  48                 eDebug("couldn't open /proc/stb/misc/12V_output");
  49                 return false;
  50         }
  51         close(fd);
  52         return true;
  53 }
  54
  55 Misc_Options *Misc_Options::getInstance()
  56 {
  57         return instance;
  58 }
  59
  60 //FIXME: correct "run/startlevel"
  61 eAutoInitP0<Misc_Options> init_misc_options(eAutoInitNumbers::rc, "misc options");