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 } __attribute__ ((__packed__));
  12
  13 #define USBTMC_DEV_DEP_MSG_OUT          0x1
  14 #define USBTMC_REQUEST_DEV_DEP_MSG_IN   0x2
  15 #define USBTMC_DEV_DEP_MSG_IN           0x2
  16
  17 #define USBTMC_TRANSFERATTRIB_EOM       (1<<0)
  18 #define USBTMC_TRANSFERATTRIB_TERMCHAR  (1<<1)
  19
  20 int usbtmc_sendscpi(struct usb_dev_handle *dev, char* cmd, unsigned char *resp, int resplen);
  21 struct usb_dev_handle* usbtmc_initscope(void);
  22 void usbtmc_close(struct usb_dev_handle *sc);
  23 void usbtmc_claim(struct usb_dev_handle *sc);
  24 void usbtmc_release(struct usb_dev_handle *sc);