The working group "VISA for Linux" of the IVI Foundation www.ivifoundation.org specifies common rules, shared libraries and drivers to implement the specification of "VPP-4.3: The VISA Library" on Linux to be compatible with implementations on other operating systems.
The USBTMC protocol is part of the "VISA Library" that is used by many popular T&M applications. Initial implementations for Linux based on libusb has been created. However using one common USBTMC driver results in more benefits: - Multiple applications can share access to the same instruments. - The driver handles SRQ conflicts. - Simplifies definition of udev rules for USBTMC devices. - Simplifies development of applications using T&M instruments. The following collaborative patches meet the requirements of the IVI Foundation to implement the library based on the usbtmc driver. Improvements in the data transfer rate of over 130 MByte/s for usb 3.x connections have been measured. Guido Kiener, Dave Penkler, Steve Bayless (22): usb: usbtmc: Add ioctl for generic requests on control usb: usbtmc: Add ioctl for vendor specific write usb: usbtmc: Add ioctl USBTMC_IOCTL_WRITE_RESULT usb: usbtmc: Add ioctl for vendor specific read usb: usbtmc: Add ioctl USBTMC_IOCTL_CANCEL_IO usb: usbtmc: Add ioctl USBTMC_IOCTL_CLEANUP_IO usb: usbtmc: Fix suspend/resume usb: usbtmc: Add ioctl USBTMC488_IOCTL_WAIT_SRQ usb: usbtmc: add ioctl USBTMC_IOCTL_MSG_IN_ATTR usb: usbtmc: Add ioctl USBTMC_IOCTL_AUTO_ABORT usb: usbtmc: Optimize usbtmc_write usb: usbtmc: Optimize usbtmc_read usb: usbtmc: Fix ioctl USBTMC_IOCTL_CLEAR usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_IN usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_OUT usb: usbtmc: Replace USBTMC_TIMEOUT macros for control messages usb: usbtmc: Add ioctl USBTMC_IOCTL_API_VERSION usb: usbtmc: Update ioctl-number.txt usb: usbtmc: Remove redundant code usb: usbtmc: Remove redundant macro USBTMC_SIZE_IOBUFFER usb: usbtmc: Fix split quoted string in debug message usb: usbtmc: Remove sysfs group TermChar and auto_abort .../ABI/stable/sysfs-driver-usb-usbtmc | 35 - Documentation/ioctl/ioctl-number.txt | 2 +- drivers/usb/class/usbtmc.c | 1652 +++++++++++++---- include/uapi/linux/usb/tmc.h | 41 + 4 files changed, 1291 insertions(+), 439 deletions(-) -- 2.17.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
