git.zerfleddert.de Git - rigol/blob - usbtmc.h

   1 struct usbtmc_header {
   2         unsigned char MsgID;
   3         unsigned char bTag;
   4         unsigned char bTagInverse;
   5         unsigned char Reserved3;
   6         uint32_t TransferSize;
   7         unsigned char bmTransferAttributes;
   8         unsigned char TermChar; /* Only in REQUEST_DEV_DEP_MSG_IN */
   9         unsigned char Reverved10;
  10         unsigned char Reverved11;
  11         unsigned char msg[];
  12 } __attribute__ ((__packed__));
  13
  14 #define USBTMC_DEV_DEP_MSG_OUT          0x1
  15 #define USBTMC_REQUEST_DEV_DEP_MSG_IN   0x2
  16 #define USBTMC_DEV_DEP_MSG_IN           0x2
  17
  18 #define USBTMC_TRANSFERATTRIB_EOM       (1<<0)
  19 #define USBTMC_TRANSFERATTRIB_TERMCHAR  (1<<1)
  20
  21 int usbtmc_sendscpi(struct scope *sc, char* cmd, unsigned char *resp, int resplen);
  22 struct scope * usbtmc_initscope(void);
  23 void usbtmc_close(struct scope *sc);
  24 void usbtmc_claim(struct scope *sc);
  25 void usbtmc_release(struct scope *sc);