Initial support for UNI-T DMMs.
This is not yet fully finished, but works for most use-cases. Tested with a UNI-T UT61D using the UT-D04 USB/HID cable (new version).
This commit is contained in:
Uwe Hermann
parent
45e080b60b
commit
79081ec80c
16
configure.ac
16
configure.ac
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@ -196,6 +196,15 @@ if test "x$HW_TEKPOWER_DMM" = "xyes"; then
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AC_DEFINE(HAVE_HW_TEKPOWER_DMM, 1, [TekPower DMM support])
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AC_DEFINE(HAVE_HW_TEKPOWER_DMM, 1, [TekPower DMM support])
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fi
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fi
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AC_ARG_ENABLE(uni-t-dmm, AC_HELP_STRING([--enable-uni-t-dmm],
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[enable UNI-T DMM support [default=yes]]),
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[HW_UNI_T_DMM="$enableval"],
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[HW_UNI_T_DMM=yes])
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AM_CONDITIONAL(HW_UNI_T_DMM, test x$HW_UNI_T_DMM = xyes)
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if test "x$HW_UNI_T_DMM" = "xyes"; then
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AC_DEFINE(HAVE_HW_UNI_T_DMM, 1, [UNI-T DMM support])
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fi
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AC_ARG_ENABLE(zeroplus-logic-cube,
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AC_ARG_ENABLE(zeroplus-logic-cube,
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AC_HELP_STRING([--enable-zeroplus-logic-cube],
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AC_HELP_STRING([--enable-zeroplus-logic-cube],
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[enable ZEROPLUS Logic Cube support [default=yes]]),
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[enable ZEROPLUS Logic Cube support [default=yes]]),
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@ -273,13 +282,13 @@ if test "x$LA_ALSA" != xno; then
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SR_PKGLIBS="$SR_PKGLIBS alsa"])
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SR_PKGLIBS="$SR_PKGLIBS alsa"])
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fi
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fi
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# EZUSB FX2 firmware helpers only needed for some hardware drivers
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# EZUSB FX2 firmware helper code is only needed for some hardware drivers.
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AM_CONDITIONAL(NEED_EZUSB, \
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AM_CONDITIONAL(NEED_EZUSB, \
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test "x$LA_FX2LAFW" != xno \
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test "x$LA_FX2LAFW" != xno \
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-o "x$HW_HANTEK_DSO" != xno \
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-o "x$HW_HANTEK_DSO" != xno \
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)
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)
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# Serial port helpers only needed for some hardware drivers
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# Serial port helper code is only needed for some hardware drivers.
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AM_CONDITIONAL(NEED_SERIAL, \
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AM_CONDITIONAL(NEED_SERIAL, \
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test "x$LA_OLS" != xno \
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test "x$LA_OLS" != xno \
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-o "x$HW_AGILENT_DMM" != xno \
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-o "x$HW_AGILENT_DMM" != xno \
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@ -327,6 +336,7 @@ AC_CONFIG_FILES([Makefile version.h hardware/Makefile
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hardware/asix-sigma/Makefile
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hardware/asix-sigma/Makefile
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hardware/chronovu-la8/Makefile
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hardware/chronovu-la8/Makefile
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hardware/common/Makefile
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hardware/common/Makefile
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hardware/common/dmm/Makefile
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hardware/demo/Makefile
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hardware/demo/Makefile
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hardware/fluke-dmm/Makefile
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hardware/fluke-dmm/Makefile
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hardware/fx2lafw/Makefile
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hardware/fx2lafw/Makefile
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@ -336,6 +346,7 @@ AC_CONFIG_FILES([Makefile version.h hardware/Makefile
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hardware/openbench-logic-sniffer/Makefile
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hardware/openbench-logic-sniffer/Makefile
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hardware/radioshack-dmm/Makefile
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hardware/radioshack-dmm/Makefile
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hardware/tekpower-dmm/Makefile
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hardware/tekpower-dmm/Makefile
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hardware/uni-t-dmm/Makefile
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hardware/zeroplus-logic-cube/Makefile
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hardware/zeroplus-logic-cube/Makefile
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input/Makefile
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input/Makefile
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output/Makefile
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output/Makefile
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@ -380,6 +391,7 @@ echo " - Link MSO-19..................... $LA_LINK_MSO19"
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echo " - Openbench Logic Sniffer......... $LA_OLS"
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echo " - Openbench Logic Sniffer......... $LA_OLS"
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echo " - Radioshack DMM.................. $HW_RADIOSHACK_DMM"
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echo " - Radioshack DMM.................. $HW_RADIOSHACK_DMM"
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echo " - TekPower DMM.................... $HW_TEKPOWER_DMM"
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echo " - TekPower DMM.................... $HW_TEKPOWER_DMM"
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echo " - UNI-T DMM....................... $HW_UNI_T_DMM"
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echo " - ZEROPLUS Logic Cube............. $LA_ZEROPLUS_LOGIC_CUBE"
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echo " - ZEROPLUS Logic Cube............. $LA_ZEROPLUS_LOGIC_CUBE"
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echo
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echo
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@ -33,6 +33,7 @@ SUBDIRS = \
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openbench-logic-sniffer \
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openbench-logic-sniffer \
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radioshack-dmm \
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radioshack-dmm \
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tekpower-dmm \
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tekpower-dmm \
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uni-t-dmm \
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zeroplus-logic-cube
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zeroplus-logic-cube
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noinst_LTLIBRARIES = libsigrokhardware.la
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noinst_LTLIBRARIES = libsigrokhardware.la
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@ -94,6 +95,10 @@ if HW_TEKPOWER_DMM
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libsigrokhardware_la_LIBADD += tekpower-dmm/libsigrokhwtekpowerdmm.la
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libsigrokhardware_la_LIBADD += tekpower-dmm/libsigrokhwtekpowerdmm.la
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endif
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endif
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if HW_UNI_T_DMM
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libsigrokhardware_la_LIBADD += uni-t-dmm/libsigrok_hw_uni_t_dmm.la
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endif
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if LA_ZEROPLUS_LOGIC_CUBE
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if LA_ZEROPLUS_LOGIC_CUBE
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libsigrokhardware_la_LIBADD += zeroplus-logic-cube/libsigrokhwzeroplus.la
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libsigrokhardware_la_LIBADD += zeroplus-logic-cube/libsigrokhwzeroplus.la
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endif
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endif
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@ -17,6 +17,8 @@
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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##
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SUBDIRS = dmm
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# Local lib, this is NOT meant to be installed!
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# Local lib, this is NOT meant to be installed!
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noinst_LTLIBRARIES = libsigrokhwcommon.la
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noinst_LTLIBRARIES = libsigrokhwcommon.la
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@ -30,6 +32,10 @@ if NEED_SERIAL
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libsigrokhwcommon_la_SOURCES += serial.c
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libsigrokhwcommon_la_SOURCES += serial.c
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endif
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endif
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libsigrokhwcommon_la_LIBADD =
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libsigrokhwcommon_la_LIBADD += dmm/libsigrok_hw_common_dmm.la
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libsigrokhwcommon_la_CFLAGS = \
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libsigrokhwcommon_la_CFLAGS = \
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-I$(top_srcdir)
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-I$(top_srcdir)
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@ -0,0 +1,28 @@
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##
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## This file is part of the sigrok project.
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##
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## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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# Local lib, this is NOT meant to be installed!
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noinst_LTLIBRARIES = libsigrok_hw_common_dmm.la
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libsigrok_hw_common_dmm_la_SOURCES = \
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fs9922.c
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libsigrok_hw_common_dmm_la_CFLAGS = \
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-I$(top_srcdir)
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@ -0,0 +1,330 @@
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/*
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* This file is part of the sigrok project.
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*
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* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* Fortune Semiconductor FS9922-DMM3/FS9922-DMM4 protocol parser.
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*/
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#include <string.h>
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#include <ctype.h>
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#include <math.h>
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#include <glib.h>
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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/* Message logging helpers with driver-specific prefix string. */
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#define DRIVER_LOG_DOMAIN "fs9922: "
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#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
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#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
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/**
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* Parse the numerical value from a protocol packet.
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*
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* @param buf Buffer containing the 14-byte protocol packet.
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* @param result Pointer to a float variable. That variable will contain the
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* result value upon parsing success.
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*
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* @return SR_OK upon success, SR_ERR upon failure. Upon errors, the result
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* variable contents are undefined and should not be used.
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*/
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static int parse_value(const uint8_t *buf, float *result)
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{
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int sign, intval;
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float floatval;
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/* Byte 0: Sign ('+' or '-') */
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if (buf[0] == '+') {
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sign = 1;
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} else if (buf[0] == '-') {
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sign = -1;
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} else {
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sr_err("Invalid sign byte: 0x%02x.", buf[0]);
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return SR_ERR;
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}
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/*
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* Bytes 1-4: Value (4 decimal digits)
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*
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* Over limit: "0.L" on the display, "?0:?" as protocol "digits".
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*/
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if (buf[1] == '?' && buf[2] == '0' && buf[3] == ':' && buf[4] == '?') {
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sr_spew("Over limit.");
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*result = INFINITY;
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return SR_OK;
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} else if (!isdigit(buf[1]) || !isdigit(buf[2]) ||
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!isdigit(buf[3]) || !isdigit(buf[4])) {
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sr_err("Value contained invalid digits: %02x %02x %02x %02x ("
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"%c %c %c %c).", buf[1], buf[2], buf[3], buf[4]);
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return SR_ERR;
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}
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intval = 0;
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intval += (buf[1] - '0') * 1000;
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intval += (buf[2] - '0') * 100;
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intval += (buf[3] - '0') * 10;
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intval += (buf[4] - '0') * 1;
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floatval = (float)intval;
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/* Byte 5: Always ' ' (space, 0x20) */
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/*
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* Byte 6: Decimal point position ('0', '1', '2', or '4')
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*
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* Note: The Fortune Semiconductor FS9922-DMM3/4 datasheets both have
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* an error/typo here. They claim that the values '0'/'1'/'2'/'3' are
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* used, but '0'/'1'/'2'/'4' is actually correct.
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*/
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if (buf[6] != '0' && buf[6] != '1' && buf[6] != '2' && buf[6] != '4') {
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sr_err("Invalid decimal point value: 0x%02x.", buf[6]);
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return SR_ERR;
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}
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if (buf[6] == '0')
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floatval /= 1;
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else if (buf[6] == '1')
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floatval /= 1000;
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else if (buf[6] == '2')
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floatval /= 100;
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else if (buf[6] == '4')
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floatval /= 10;
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/* Apply sign. */
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floatval *= sign;
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sr_spew("The display value is %f.", floatval);
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*result = floatval;
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return SR_OK;
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}
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/**
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* Parse various flags in a protocol packet.
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*
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* @param buf Buffer containing the 14-byte protocol packet.
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* @param floatval Pointer to a float variable which should contain the value
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* parsed using parse_value(). That variable will be modified
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* in-place depending on the flags in the protocol packet.
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* @param analog Pointer to a struct sr_datafeed_analog. The struct will be
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* filled with the relevant data according to the flags in the
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* protocol packet.
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*
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* @return SR_OK upon success, SR_ERR upon failure. Upon errors, the 'floatval'
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* and 'analog' variable contents are undefined and should not be used.
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*/
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static int parse_flags(const uint8_t *buf, float *floatval,
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struct sr_datafeed_analog *analog)
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{
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gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
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gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
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gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
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gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
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gboolean is_celsius, is_fahrenheit;
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int bargraph_sign, bargraph_value;
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/* Z1/Z2/Z3/Z4 are bits for user-defined LCD symbols (on/off). */
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/* Byte 7 */
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/* Bit 7: Always 0 */
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/* Bit 6: Always 0 */
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is_auto = (buf[7] & (1 << 5)) != 0;
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is_dc = (buf[7] & (1 << 4)) != 0;
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is_ac = (buf[7] & (1 << 3)) != 0;
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is_rel = (buf[7] & (1 << 2)) != 0;
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is_hold = (buf[7] & (1 << 1)) != 0;
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is_bpn = (buf[7] & (1 << 0)) != 0; /* Bargraph shown */
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/* Byte 8 */
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is_z1 = (buf[8] & (1 << 7)) != 0; /* User-defined symbol 1 */
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is_z2 = (buf[8] & (1 << 6)) != 0; /* User-defined symbol 2 */
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is_max = (buf[8] & (1 << 5)) != 0;
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is_min = (buf[8] & (1 << 4)) != 0;
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is_apo = (buf[8] & (1 << 3)) != 0; /* Auto-poweroff active */
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is_bat = (buf[8] & (1 << 2)) != 0; /* Battery low */
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is_nano = (buf[8] & (1 << 1)) != 0;
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is_z3 = (buf[8] & (1 << 0)) != 0; /* User-defined symbol 3 */
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/* Byte 9 */
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is_micro = (buf[9] & (1 << 7)) != 0;
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is_milli = (buf[9] & (1 << 6)) != 0;
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is_kilo = (buf[9] & (1 << 5)) != 0;
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is_mega = (buf[9] & (1 << 4)) != 0;
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is_beep = (buf[9] & (1 << 3)) != 0;
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is_diode = (buf[9] & (1 << 2)) != 0;
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is_percent = (buf[9] & (1 << 1)) != 0;
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is_z4 = (buf[8] & (1 << 0)) != 0; /* User-defined symbol 4 */
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/* Byte 10 */
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is_volt = (buf[10] & (1 << 7)) != 0;
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||||||
|
is_ampere = (buf[10] & (1 << 6)) != 0;
|
||||||
|
is_ohm = (buf[10] & (1 << 5)) != 0;
|
||||||
|
is_hfe = (buf[10] & (1 << 4)) != 0;
|
||||||
|
is_hertz = (buf[10] & (1 << 3)) != 0;
|
||||||
|
is_farad = (buf[10] & (1 << 2)) != 0;
|
||||||
|
is_celsius = (buf[10] & (1 << 1)) != 0; /* Only FS9922-DMM4 */
|
||||||
|
is_fahrenheit = (buf[10] & (1 << 0)) != 0; /* Only FS9922-DMM4 */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Byte 11: Bar graph
|
||||||
|
*
|
||||||
|
* Bit 7 contains the sign of the bargraph number (if the bit is set,
|
||||||
|
* the number is negative), bits 6..0 contain the actual number.
|
||||||
|
* Valid range: 0-40 (FS9922-DMM3), 0-60 (FS9922-DMM4).
|
||||||
|
*
|
||||||
|
* Upon "over limit" the bargraph value is 1 count above the highest
|
||||||
|
* valid number (i.e. 41 or 61, depending on chip).
|
||||||
|
*/
|
||||||
|
if (is_bpn) {
|
||||||
|
bargraph_sign = ((buf[11] & (1 << 7)) != 0) ? -1 : 1;
|
||||||
|
bargraph_value = (buf[11] & 0x7f);
|
||||||
|
bargraph_value *= bargraph_sign;
|
||||||
|
sr_spew("The bargraph value is %d.", bargraph_value);
|
||||||
|
} else {
|
||||||
|
sr_spew("The bargraph is not active.");
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Byte 12: Always '\r' (carriage return, 0x0d, 13) */
|
||||||
|
|
||||||
|
/* Byte 13: Always '\n' (newline, 0x0a, 10) */
|
||||||
|
|
||||||
|
/* Factors */
|
||||||
|
if (is_nano)
|
||||||
|
*floatval /= 1000000000;
|
||||||
|
if (is_micro)
|
||||||
|
*floatval /= 1000000;
|
||||||
|
if (is_milli)
|
||||||
|
*floatval /= 1000;
|
||||||
|
if (is_kilo)
|
||||||
|
*floatval *= 1000;
|
||||||
|
if (is_mega)
|
||||||
|
*floatval *= 1000000;
|
||||||
|
|
||||||
|
/* Measurement modes */
|
||||||
|
if (is_volt) {
|
||||||
|
analog->mq = SR_MQ_VOLTAGE;
|
||||||
|
analog->unit = SR_UNIT_VOLT;
|
||||||
|
}
|
||||||
|
if (is_ampere) {
|
||||||
|
analog->mq = SR_MQ_CURRENT;
|
||||||
|
analog->unit = SR_UNIT_AMPERE;
|
||||||
|
}
|
||||||
|
if (is_ohm) {
|
||||||
|
analog->mq = SR_MQ_RESISTANCE;
|
||||||
|
analog->unit = SR_UNIT_OHM;
|
||||||
|
}
|
||||||
|
if (is_hfe) {
|
||||||
|
analog->mq = SR_MQ_GAIN;
|
||||||
|
analog->unit = SR_UNIT_UNITLESS;
|
||||||
|
}
|
||||||
|
if (is_hertz) {
|
||||||
|
analog->mq = SR_MQ_FREQUENCY;
|
||||||
|
analog->unit = SR_UNIT_HERTZ;
|
||||||
|
}
|
||||||
|
if (is_farad) {
|
||||||
|
analog->mq = SR_MQ_CAPACITANCE;
|
||||||
|
analog->unit = SR_UNIT_FARAD;
|
||||||
|
}
|
||||||
|
if (is_celsius) {
|
||||||
|
analog->mq = SR_MQ_TEMPERATURE;
|
||||||
|
analog->unit = SR_UNIT_CELSIUS;
|
||||||
|
}
|
||||||
|
if (is_fahrenheit) {
|
||||||
|
analog->mq = SR_MQ_TEMPERATURE;
|
||||||
|
analog->unit = SR_UNIT_FAHRENHEIT;
|
||||||
|
}
|
||||||
|
if (is_beep) {
|
||||||
|
analog->mq = SR_MQ_CONTINUITY;
|
||||||
|
analog->unit = SR_UNIT_BOOLEAN;
|
||||||
|
*floatval = (*floatval < 0.0) ? 0.0 : 1.0;
|
||||||
|
}
|
||||||
|
if (is_diode) {
|
||||||
|
analog->mq = SR_MQ_VOLTAGE;
|
||||||
|
analog->unit = SR_UNIT_VOLT;
|
||||||
|
}
|
||||||
|
if (is_percent) {
|
||||||
|
analog->mq = SR_MQ_DUTY_CYCLE;
|
||||||
|
analog->unit = SR_UNIT_PERCENTAGE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Measurement related flags */
|
||||||
|
if (is_ac)
|
||||||
|
analog->mqflags |= SR_MQFLAG_AC;
|
||||||
|
if (is_dc)
|
||||||
|
analog->mqflags |= SR_MQFLAG_DC;
|
||||||
|
if (is_auto)
|
||||||
|
analog->mqflags |= SR_MQFLAG_AUTORANGE;
|
||||||
|
if (is_hold)
|
||||||
|
analog->mqflags |= SR_MQFLAG_HOLD;
|
||||||
|
if (is_max)
|
||||||
|
analog->mqflags |= SR_MQFLAG_MAX;
|
||||||
|
if (is_min)
|
||||||
|
analog->mqflags |= SR_MQFLAG_MIN;
|
||||||
|
if (is_rel)
|
||||||
|
analog->mqflags |= SR_MQFLAG_RELATIVE;
|
||||||
|
|
||||||
|
/* Other flags */
|
||||||
|
if (is_apo)
|
||||||
|
sr_spew("Automatic power-off function is active.");
|
||||||
|
if (is_bat)
|
||||||
|
sr_spew("Battery is low.");
|
||||||
|
if (is_z1)
|
||||||
|
sr_spew("User-defined LCD symbol 1 is active.");
|
||||||
|
if (is_z2)
|
||||||
|
sr_spew("User-defined LCD symbol 2 is active.");
|
||||||
|
if (is_z3)
|
||||||
|
sr_spew("User-defined LCD symbol 3 is active.");
|
||||||
|
if (is_z4)
|
||||||
|
sr_spew("User-defined LCD symbol 4 is active.");
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Parse a Fortune Semiconductor FS9922-DMM3/4 protocol packet.
|
||||||
|
*
|
||||||
|
* @param buf Buffer containing the 14-byte protocol packet.
|
||||||
|
* @param floatval Pointer to a float variable. That variable will be modified
|
||||||
|
* in-place depending on the protocol packet.
|
||||||
|
* @param analog Pointer to a struct sr_datafeed_analog. The struct will be
|
||||||
|
* filled with data according to the protocol packet.
|
||||||
|
*
|
||||||
|
* @return SR_OK upon success, SR_ERR upon failure. Upon errors, the
|
||||||
|
* 'analog' variable contents are undefined and should not be used.
|
||||||
|
*/
|
||||||
|
SR_PRIV int sr_dmm_parse_fs9922(const uint8_t *buf, float *floatval,
|
||||||
|
struct sr_datafeed_analog *analog)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if ((ret = parse_value(buf, floatval)) != SR_OK) {
|
||||||
|
sr_err("Error parsing value: %d.", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((ret = parse_flags(buf, floatval, analog)) != SR_OK) {
|
||||||
|
sr_err("Error parsing flags: %d.", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,34 @@
|
||||||
|
##
|
||||||
|
## This file is part of the sigrok project.
|
||||||
|
##
|
||||||
|
## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
|
||||||
|
##
|
||||||
|
## This program is free software; you can redistribute it and/or modify
|
||||||
|
## it under the terms of the GNU General Public License as published by
|
||||||
|
## the Free Software Foundation; either version 2 of the License, or
|
||||||
|
## (at your option) any later version.
|
||||||
|
##
|
||||||
|
## This program is distributed in the hope that it will be useful,
|
||||||
|
## but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
## GNU General Public License for more details.
|
||||||
|
##
|
||||||
|
## You should have received a copy of the GNU General Public License
|
||||||
|
## along with this program; if not, write to the Free Software
|
||||||
|
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
##
|
||||||
|
|
||||||
|
if HW_UNI_T_DMM
|
||||||
|
|
||||||
|
# Local lib, this is NOT meant to be installed!
|
||||||
|
noinst_LTLIBRARIES = libsigrok_hw_uni_t_dmm.la
|
||||||
|
|
||||||
|
libsigrok_hw_uni_t_dmm_la_SOURCES = \
|
||||||
|
api.c \
|
||||||
|
protocol.c \
|
||||||
|
protocol.h
|
||||||
|
|
||||||
|
libsigrok_hw_uni_t_dmm_la_CFLAGS = \
|
||||||
|
-I$(top_srcdir)
|
||||||
|
|
||||||
|
endif
|
||||||
|
|
@ -0,0 +1,372 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the sigrok project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include "libsigrok.h"
|
||||||
|
#include "libsigrok-internal.h"
|
||||||
|
#include "protocol.h"
|
||||||
|
|
||||||
|
static const int hwcaps[] = {
|
||||||
|
SR_HWCAP_MULTIMETER,
|
||||||
|
SR_HWCAP_LIMIT_SAMPLES,
|
||||||
|
SR_HWCAP_LIMIT_MSEC,
|
||||||
|
SR_HWCAP_CONTINUOUS,
|
||||||
|
0,
|
||||||
|
};
|
||||||
|
|
||||||
|
static const char *probe_names[] = {
|
||||||
|
"Probe",
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
SR_PRIV struct sr_dev_driver uni_t_dmm_driver_info;
|
||||||
|
static struct sr_dev_driver *di = &uni_t_dmm_driver_info;
|
||||||
|
|
||||||
|
static int open_usb(struct sr_dev_inst *sdi)
|
||||||
|
{
|
||||||
|
libusb_device **devlist;
|
||||||
|
struct libusb_device_descriptor des;
|
||||||
|
struct dev_context *devc;
|
||||||
|
int ret, tmp, cnt, i;
|
||||||
|
|
||||||
|
/* TODO: Use common code later, refactor. */
|
||||||
|
|
||||||
|
devc = sdi->priv;
|
||||||
|
|
||||||
|
if ((cnt = libusb_get_device_list(NULL, &devlist)) < 0) {
|
||||||
|
sr_err("Error getting USB device list: %d.", cnt);
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = SR_ERR;
|
||||||
|
for (i = 0; i < cnt; i++) {
|
||||||
|
if ((tmp = libusb_get_device_descriptor(devlist[i], &des))) {
|
||||||
|
sr_err("Failed to get device descriptor: %d.", tmp);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (libusb_get_bus_number(devlist[i]) != devc->usb->bus
|
||||||
|
|| libusb_get_device_address(devlist[i]) != devc->usb->address)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if ((tmp = libusb_open(devlist[i], &devc->usb->devhdl))) {
|
||||||
|
sr_err("Failed to open device: %d.", tmp);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
sr_info("Opened USB device on %d.%d.",
|
||||||
|
devc->usb->bus, devc->usb->address);
|
||||||
|
ret = SR_OK;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
libusb_free_device_list(devlist, 1);
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GSList *connect_usb(const char *conn)
|
||||||
|
{
|
||||||
|
struct sr_dev_inst *sdi;
|
||||||
|
struct drv_context *drvc;
|
||||||
|
struct dev_context *devc;
|
||||||
|
struct sr_probe *probe;
|
||||||
|
libusb_device **devlist;
|
||||||
|
struct libusb_device_descriptor des;
|
||||||
|
GSList *devices;
|
||||||
|
int vid, pid, devcnt, err, i;
|
||||||
|
|
||||||
|
(void)conn;
|
||||||
|
|
||||||
|
/* TODO: Use common code later, refactor. */
|
||||||
|
|
||||||
|
drvc = di->priv;
|
||||||
|
|
||||||
|
/* Hardcoded for now. */
|
||||||
|
vid = UT_D04_CABLE_USB_VID;
|
||||||
|
pid = UT_D04_CABLE_USB_DID;
|
||||||
|
|
||||||
|
devices = NULL;
|
||||||
|
libusb_get_device_list(NULL, &devlist);
|
||||||
|
for (i = 0; devlist[i]; i++) {
|
||||||
|
if ((err = libusb_get_device_descriptor(devlist[i], &des))) {
|
||||||
|
sr_err("Failed to get device descriptor: %d", err);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (des.idVendor != vid || des.idProduct != pid)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
|
||||||
|
sr_err("Device context malloc failed.");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
devcnt = g_slist_length(drvc->instances);
|
||||||
|
if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
|
||||||
|
"UNI-T DMM", NULL, NULL))) {
|
||||||
|
sr_err("sr_dev_inst_new returned NULL.");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
sdi->priv = devc;
|
||||||
|
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
|
||||||
|
return NULL;
|
||||||
|
sdi->probes = g_slist_append(sdi->probes, probe);
|
||||||
|
devc->usb = sr_usb_dev_inst_new(
|
||||||
|
libusb_get_bus_number(devlist[i]),
|
||||||
|
libusb_get_device_address(devlist[i]), NULL);
|
||||||
|
devices = g_slist_append(devices, sdi);
|
||||||
|
}
|
||||||
|
libusb_free_device_list(devlist, 1);
|
||||||
|
|
||||||
|
return devices;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int clear_instances(void)
|
||||||
|
{
|
||||||
|
/* TODO: Use common code later. */
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_init(void)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
struct drv_context *drvc;
|
||||||
|
|
||||||
|
if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
|
||||||
|
sr_err("Driver context malloc failed.");
|
||||||
|
return SR_ERR_MALLOC;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((ret = libusb_init(NULL)) < 0) {
|
||||||
|
sr_err("Failed to initialize libusb: %s.",
|
||||||
|
libusb_error_name(ret));
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
|
||||||
|
di->priv = drvc;
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GSList *hw_scan(GSList *options)
|
||||||
|
{
|
||||||
|
GSList *l, *devices;
|
||||||
|
struct sr_dev_inst *sdi;
|
||||||
|
struct drv_context *drvc;
|
||||||
|
|
||||||
|
(void)options;
|
||||||
|
|
||||||
|
drvc = di->priv;
|
||||||
|
|
||||||
|
if (!(devices = connect_usb(NULL)))
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
for (l = devices; l; l = l->next) {
|
||||||
|
sdi = l->data;
|
||||||
|
sdi->driver = di;
|
||||||
|
drvc->instances = g_slist_append(drvc->instances, l->data);
|
||||||
|
}
|
||||||
|
|
||||||
|
return devices;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GSList *hw_dev_list(void)
|
||||||
|
{
|
||||||
|
struct drv_context *drvc;
|
||||||
|
|
||||||
|
drvc = di->priv;
|
||||||
|
|
||||||
|
return drvc->instances;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_dev_open(struct sr_dev_inst *sdi)
|
||||||
|
{
|
||||||
|
return open_usb(sdi);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_dev_close(struct sr_dev_inst *sdi)
|
||||||
|
{
|
||||||
|
(void)sdi;
|
||||||
|
|
||||||
|
/* TODO */
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_cleanup(void)
|
||||||
|
{
|
||||||
|
clear_instances();
|
||||||
|
|
||||||
|
// libusb_exit(NULL);
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_info_get(int info_id, const void **data,
|
||||||
|
const struct sr_dev_inst *sdi)
|
||||||
|
{
|
||||||
|
(void)sdi;
|
||||||
|
|
||||||
|
sr_spew("Backend requested info_id %d.", info_id);
|
||||||
|
|
||||||
|
switch (info_id) {
|
||||||
|
case SR_DI_HWCAPS:
|
||||||
|
*data = hwcaps;
|
||||||
|
sr_spew("%s: Returning hwcaps.", __func__);
|
||||||
|
break;
|
||||||
|
case SR_DI_NUM_PROBES:
|
||||||
|
*data = GINT_TO_POINTER(1);
|
||||||
|
sr_spew("%s: Returning number of probes.", __func__);
|
||||||
|
break;
|
||||||
|
case SR_DI_PROBE_NAMES:
|
||||||
|
*data = probe_names;
|
||||||
|
sr_spew("%s: Returning probe names.", __func__);
|
||||||
|
break;
|
||||||
|
case SR_DI_SAMPLERATES:
|
||||||
|
/* TODO: Get rid of this. */
|
||||||
|
*data = NULL;
|
||||||
|
sr_spew("%s: Returning samplerates.", __func__);
|
||||||
|
return SR_ERR_ARG;
|
||||||
|
break;
|
||||||
|
case SR_DI_CUR_SAMPLERATE:
|
||||||
|
/* TODO: Get rid of this. */
|
||||||
|
*data = NULL;
|
||||||
|
sr_spew("%s: Returning current samplerate.", __func__);
|
||||||
|
return SR_ERR_ARG;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
sr_err("%s: Unknown info_id %d.", __func__, info_id);
|
||||||
|
return SR_ERR_ARG;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
|
||||||
|
const void *value)
|
||||||
|
{
|
||||||
|
struct dev_context *devc;
|
||||||
|
|
||||||
|
devc = sdi->priv;
|
||||||
|
|
||||||
|
switch (hwcap) {
|
||||||
|
case SR_HWCAP_LIMIT_MSEC:
|
||||||
|
/* TODO: Not yet implemented. */
|
||||||
|
if (*(const uint64_t *)value == 0) {
|
||||||
|
sr_err("Time limit cannot be 0.");
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
devc->limit_msec = *(const uint64_t *)value;
|
||||||
|
sr_dbg("Setting time limit to %" PRIu64 "ms.",
|
||||||
|
devc->limit_msec);
|
||||||
|
break;
|
||||||
|
case SR_HWCAP_LIMIT_SAMPLES:
|
||||||
|
if (*(const uint64_t *)value == 0) {
|
||||||
|
sr_err("Sample limit cannot be 0.");
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
devc->limit_samples = *(const uint64_t *)value;
|
||||||
|
sr_dbg("Setting sample limit to %" PRIu64 ".",
|
||||||
|
devc->limit_samples);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
sr_err("Unknown capability: %d.", hwcap);
|
||||||
|
return SR_ERR;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
|
||||||
|
void *cb_data)
|
||||||
|
{
|
||||||
|
struct sr_datafeed_packet packet;
|
||||||
|
struct sr_datafeed_header header;
|
||||||
|
struct sr_datafeed_meta_analog meta;
|
||||||
|
struct dev_context *devc;
|
||||||
|
|
||||||
|
devc = sdi->priv;
|
||||||
|
|
||||||
|
sr_dbg("Starting acquisition.");
|
||||||
|
|
||||||
|
devc->cb_data = cb_data;
|
||||||
|
|
||||||
|
/* Send header packet to the session bus. */
|
||||||
|
sr_dbg("Sending SR_DF_HEADER.");
|
||||||
|
packet.type = SR_DF_HEADER;
|
||||||
|
packet.payload = (uint8_t *)&header;
|
||||||
|
header.feed_version = 1;
|
||||||
|
gettimeofday(&header.starttime, NULL);
|
||||||
|
sr_session_send(devc->cb_data, &packet);
|
||||||
|
|
||||||
|
/* Send metadata about the SR_DF_ANALOG packets to come. */
|
||||||
|
sr_dbg("Sending SR_DF_META_ANALOG.");
|
||||||
|
packet.type = SR_DF_META_ANALOG;
|
||||||
|
packet.payload = &meta;
|
||||||
|
meta.num_probes = 1;
|
||||||
|
sr_session_send(devc->cb_data, &packet);
|
||||||
|
|
||||||
|
sr_source_add(0, 0, 10 /* poll_timeout */,
|
||||||
|
uni_t_dmm_receive_data, (void *)sdi);
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
|
||||||
|
void *cb_data)
|
||||||
|
{
|
||||||
|
struct sr_datafeed_packet packet;
|
||||||
|
|
||||||
|
(void)sdi;
|
||||||
|
|
||||||
|
sr_dbg("Stopping acquisition.");
|
||||||
|
|
||||||
|
/* Send end packet to the session bus. */
|
||||||
|
sr_dbg("Sending SR_DF_END.");
|
||||||
|
packet.type = SR_DF_END;
|
||||||
|
sr_session_send(cb_data, &packet);
|
||||||
|
|
||||||
|
/* TODO? */
|
||||||
|
sr_source_remove(0);
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
SR_PRIV struct sr_dev_driver uni_t_dmm_driver_info = {
|
||||||
|
.name = "uni-t-dmm",
|
||||||
|
.longname = "UNI-T DMM series",
|
||||||
|
.api_version = 1,
|
||||||
|
.init = hw_init,
|
||||||
|
.cleanup = hw_cleanup,
|
||||||
|
.scan = hw_scan,
|
||||||
|
.dev_list = hw_dev_list,
|
||||||
|
.dev_clear = clear_instances,
|
||||||
|
.dev_open = hw_dev_open,
|
||||||
|
.dev_close = hw_dev_close,
|
||||||
|
.info_get = hw_info_get,
|
||||||
|
.dev_config_set = hw_dev_config_set,
|
||||||
|
.dev_acquisition_start = hw_dev_acquisition_start,
|
||||||
|
.dev_acquisition_stop = hw_dev_acquisition_stop,
|
||||||
|
.priv = NULL,
|
||||||
|
};
|
||||||
|
|
@ -0,0 +1,256 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the sigrok project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <string.h>
|
||||||
|
#include <glib.h>
|
||||||
|
#include "libsigrok.h"
|
||||||
|
#include "libsigrok-internal.h"
|
||||||
|
#include "protocol.h"
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Driver for various UNI-T multimeters (and rebranded ones).
|
||||||
|
*
|
||||||
|
* Most UNI-T DMMs can be used with two (three) different PC interface cables:
|
||||||
|
* - The UT-D04 USB/HID cable, old version with Hoitek HE2325U chip.
|
||||||
|
* - The UT-D04 USB/HID cable, new version with WCH CH9325 chip.
|
||||||
|
* - The UT-D01 RS232 cable.
|
||||||
|
*
|
||||||
|
* This driver is meant to support all three cables, and various DMMs that
|
||||||
|
* can be attached to a PC via these cables. Currently only the UT-D04 cable
|
||||||
|
* (new version) is supported.
|
||||||
|
*
|
||||||
|
* The data for one DMM packet (e.g. 14 bytes if the respective DMM uses a
|
||||||
|
* Fortune Semiconductor FS9922-DMM4 chip) is spread across multiple
|
||||||
|
* 8-byte chunks.
|
||||||
|
*
|
||||||
|
* An 8-byte chunk looks like this:
|
||||||
|
* - Byte 0: 0xfz, where z is the number of actual data bytes in this chunk.
|
||||||
|
* - Bytes 1-7: z data bytes, the rest of the bytes should be ignored.
|
||||||
|
*
|
||||||
|
* Example:
|
||||||
|
* f0 00 00 00 00 00 00 00 (no data bytes)
|
||||||
|
* f2 55 77 00 00 00 00 00 (2 data bytes, 0x55 and 0x77)
|
||||||
|
* f1 d1 00 00 00 00 00 00 (1 data byte, 0xd1)
|
||||||
|
*
|
||||||
|
* Chips and serial settings used in UNI-T DMMs (and rebranded ones):
|
||||||
|
* - UNI-T UT108: ?
|
||||||
|
* - UNI-T UT109: ?
|
||||||
|
* - UNI-T UT30A: ?
|
||||||
|
* - UNI-T UT30E: ?
|
||||||
|
* - UNI-T UT60E: Fortune Semiconductor FS9721_LP3
|
||||||
|
* - UNI-T UT60G: ?
|
||||||
|
* - UNI-T UT61B: ?
|
||||||
|
* - UNI-T UT61C: ?
|
||||||
|
* - UNI-T UT61D: Fortune Semiconductor FS9922-DMM4
|
||||||
|
* - UNI-T UT61E: Cyrustek ES51922
|
||||||
|
* - UNI-T UT70B: ?
|
||||||
|
* - Voltcraft VC-820: Fortune Semiconductor FS9721_LP3
|
||||||
|
* - Voltcraft VC-840: Fortune Semiconductor FS9721_LP3
|
||||||
|
* - ...
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void decode_packet(struct dev_context *devc, const uint8_t *buf)
|
||||||
|
{
|
||||||
|
struct sr_datafeed_packet packet;
|
||||||
|
struct sr_datafeed_analog analog;
|
||||||
|
float floatval;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
memset(&analog, 0, sizeof(struct sr_datafeed_analog));
|
||||||
|
|
||||||
|
/* Parse the protocol packet. */
|
||||||
|
if ((ret = sr_dmm_parse_fs9922(buf, &floatval, &analog)) != SR_OK) {
|
||||||
|
sr_err("Invalid DMM packet, ignoring.");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Send a sample packet with one analog value. */
|
||||||
|
analog.num_samples = 1;
|
||||||
|
analog.data = &floatval;
|
||||||
|
packet.type = SR_DF_ANALOG;
|
||||||
|
packet.payload = &analog;
|
||||||
|
sr_session_send(devc->cb_data, &packet);
|
||||||
|
|
||||||
|
/* Increase sample count. */
|
||||||
|
devc->num_samples++;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int hid_chip_init(struct dev_context *devc, uint16_t baudrate)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
uint8_t buf[5];
|
||||||
|
|
||||||
|
/* Detach kernel drivers which grabbed this device (if any). */
|
||||||
|
if (libusb_kernel_driver_active(devc->usb->devhdl, 0) == 1) {
|
||||||
|
ret = libusb_detach_kernel_driver(devc->usb->devhdl, 0);
|
||||||
|
if (ret < 0) {
|
||||||
|
sr_err("Failed to detach kernel driver: %d.", ret);
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
sr_dbg("Successfully detached kernel driver.");
|
||||||
|
} else {
|
||||||
|
sr_dbg("No need to detach a kernel driver.");
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Claim interface 0. */
|
||||||
|
if ((ret = libusb_claim_interface(devc->usb->devhdl, 0)) < 0) {
|
||||||
|
sr_err("Failed to claim interface 0: %d.", ret);
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
sr_dbg("Successfully claimed interface 0.");
|
||||||
|
|
||||||
|
/* Baudrate example: 19230 baud -> HEX(19230) == 0x4b1e */
|
||||||
|
buf[0] = baudrate & 0xff; /* Baudrate, LSB */
|
||||||
|
buf[1] = (baudrate >> 8) & 0xff; /* Baudrate, MSB */
|
||||||
|
buf[2] = 0x00; /* Unknown/unused (?) */
|
||||||
|
buf[3] = 0x00; /* Unknown/unused (?) */
|
||||||
|
buf[4] = 0x03; /* Unknown, always 0x03. */
|
||||||
|
|
||||||
|
/* Send HID feature report to setup the baudrate/chip. */
|
||||||
|
sr_dbg("Sending initial HID feature report.");
|
||||||
|
sr_spew("HID init = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x (%d baud)",
|
||||||
|
buf[0], buf[1], buf[2], buf[3], buf[4], baudrate);
|
||||||
|
ret = libusb_control_transfer(
|
||||||
|
devc->usb->devhdl, /* libusb device handle */
|
||||||
|
LIBUSB_REQUEST_TYPE_CLASS |
|
||||||
|
LIBUSB_RECIPIENT_INTERFACE |
|
||||||
|
LIBUSB_ENDPOINT_OUT,
|
||||||
|
9, /* bRequest: HID set_report */
|
||||||
|
0x300, /* wValue: HID feature, report number 0 */
|
||||||
|
0, /* wIndex: interface 0 */
|
||||||
|
(unsigned char *)&buf, /* payload buffer */
|
||||||
|
5, /* wLength: 5 bytes payload */
|
||||||
|
1000 /* timeout (ms) */);
|
||||||
|
|
||||||
|
if (ret < 0) {
|
||||||
|
sr_err("HID feature report error: %d.", ret);
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ret != 5) {
|
||||||
|
/* TODO: Handle better by also sending the remaining bytes. */
|
||||||
|
sr_err("Short packet: sent %d/5 bytes.", ret);
|
||||||
|
return SR_ERR;
|
||||||
|
}
|
||||||
|
|
||||||
|
sr_dbg("Successfully sent initial HID feature report.");
|
||||||
|
|
||||||
|
return SR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void log_8byte_chunk(const uint8_t *buf)
|
||||||
|
{
|
||||||
|
sr_spew("8-byte chunk: %02x %02x %02x %02x %02x %02x %02x %02x "
|
||||||
|
"(%d data bytes)", buf[0], buf[1], buf[2], buf[3],
|
||||||
|
buf[4], buf[5], buf[6], buf[7], (buf[0] & 0x0f));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void log_dmm_packet(const uint8_t *buf)
|
||||||
|
{
|
||||||
|
sr_dbg("DMM packet: %02x %02x %02x %02x %02x %02x %02x"
|
||||||
|
" %02x %02x %02x %02x %02x %02x %02x",
|
||||||
|
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
|
||||||
|
buf[7], buf[8], buf[9], buf[10], buf[11], buf[12], buf[13]);
|
||||||
|
}
|
||||||
|
|
||||||
|
SR_PRIV int uni_t_dmm_receive_data(int fd, int revents, void *cb_data)
|
||||||
|
{
|
||||||
|
struct sr_dev_inst *sdi;
|
||||||
|
struct dev_context *devc;
|
||||||
|
int i, ret, len, num_databytes_in_chunk;
|
||||||
|
uint8_t buf[CHUNK_SIZE];
|
||||||
|
uint8_t *pbuf;
|
||||||
|
static gboolean first_run = TRUE, synced_on_first_packet = FALSE;
|
||||||
|
static uint64_t data_byte_counter = 0;
|
||||||
|
|
||||||
|
(void)fd;
|
||||||
|
(void)revents;
|
||||||
|
|
||||||
|
sdi = cb_data;
|
||||||
|
devc = sdi->priv;
|
||||||
|
|
||||||
|
pbuf = devc->protocol_buf;
|
||||||
|
|
||||||
|
/* On the first run, we need to init the HID chip. */
|
||||||
|
if (first_run) {
|
||||||
|
/* TODO: The baudrate is DMM-specific (UT61D: 19230). */
|
||||||
|
if ((ret = hid_chip_init(devc, 19230)) != SR_OK) {
|
||||||
|
sr_err("HID chip init failed: %d.", ret);
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
memset(pbuf, 0x00, NUM_DATA_BYTES);
|
||||||
|
first_run = FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
memset(&buf, 0x00, CHUNK_SIZE);
|
||||||
|
|
||||||
|
/* Get data from EP2 using an interrupt transfer. */
|
||||||
|
ret = libusb_interrupt_transfer(
|
||||||
|
devc->usb->devhdl, /* libusb device handle */
|
||||||
|
LIBUSB_ENDPOINT_IN | 2, /* EP2, IN */
|
||||||
|
(unsigned char *)&buf, /* receive buffer */
|
||||||
|
CHUNK_SIZE, /* wLength */
|
||||||
|
&len, /* actually received byte count */
|
||||||
|
1000 /* timeout (ms) */);
|
||||||
|
|
||||||
|
if (ret < 0) {
|
||||||
|
sr_err("USB receive error: %d.", ret);
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (len != CHUNK_SIZE) {
|
||||||
|
sr_err("Short packet: received %d/%d bytes.", len, CHUNK_SIZE);
|
||||||
|
/* TODO: Print the bytes? */
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
log_8byte_chunk((const uint8_t *)&buf);
|
||||||
|
|
||||||
|
if (buf[0] != 0xf0) {
|
||||||
|
/* First time: Synchronize to the start of a packet. */
|
||||||
|
if (!synced_on_first_packet) {
|
||||||
|
/* Valid packets start with '+' or '-'. */
|
||||||
|
if ((buf[1] != '+') && buf[1] != '-')
|
||||||
|
return TRUE;
|
||||||
|
synced_on_first_packet = TRUE;
|
||||||
|
sr_spew("Successfully synchronized on first packet.");
|
||||||
|
}
|
||||||
|
|
||||||
|
num_databytes_in_chunk = buf[0] & 0x0f;
|
||||||
|
for (i = 0; i < num_databytes_in_chunk; i++)
|
||||||
|
pbuf[data_byte_counter++] = buf[1 + i];
|
||||||
|
|
||||||
|
/* TODO: Handle > 14 bytes in pbuf? Can this happen? */
|
||||||
|
if (data_byte_counter == NUM_DATA_BYTES) {
|
||||||
|
log_dmm_packet(pbuf);
|
||||||
|
data_byte_counter = 0;
|
||||||
|
decode_packet(devc, pbuf);
|
||||||
|
memset(pbuf, 0x00, NUM_DATA_BYTES);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Abort acquisition if we acquired enough samples. */
|
||||||
|
if (devc->num_samples >= devc->limit_samples && devc->limit_samples > 0) {
|
||||||
|
sr_info("Requested number of samples reached.");
|
||||||
|
sdi->driver->dev_acquisition_stop(sdi, cb_data);
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,66 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the sigrok project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H
|
||||||
|
#define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H
|
||||||
|
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <glib.h>
|
||||||
|
#include <libusb.h>
|
||||||
|
#include "libsigrok.h"
|
||||||
|
#include "libsigrok-internal.h"
|
||||||
|
|
||||||
|
/* Message logging helpers with driver-specific prefix string. */
|
||||||
|
#define DRIVER_LOG_DOMAIN "uni-t-dmm: "
|
||||||
|
#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
|
||||||
|
#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
|
||||||
|
#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
|
||||||
|
#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
|
||||||
|
#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
|
||||||
|
#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
|
||||||
|
|
||||||
|
#define UT_D04_CABLE_USB_VID 0x1a86
|
||||||
|
#define UT_D04_CABLE_USB_DID 0xe008
|
||||||
|
|
||||||
|
#define CHUNK_SIZE 8
|
||||||
|
#define NUM_DATA_BYTES 14
|
||||||
|
|
||||||
|
/** Private, per-device-instance driver context. */
|
||||||
|
struct dev_context {
|
||||||
|
/** The current sampling limit (in number of samples). */
|
||||||
|
uint64_t limit_samples;
|
||||||
|
|
||||||
|
/** The current sampling limit (in ms). */
|
||||||
|
uint64_t limit_msec;
|
||||||
|
|
||||||
|
/** Opaque pointer passed in by the frontend. */
|
||||||
|
void *cb_data;
|
||||||
|
|
||||||
|
/** The current number of already received samples. */
|
||||||
|
uint64_t num_samples;
|
||||||
|
|
||||||
|
struct sr_usb_dev_inst *usb;
|
||||||
|
|
||||||
|
uint8_t protocol_buf[14];
|
||||||
|
};
|
||||||
|
|
||||||
|
SR_PRIV int uni_t_dmm_receive_data(int fd, int revents, void *cb_data);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -110,6 +110,9 @@ extern SR_PRIV struct sr_dev_driver radioshackdmm_driver_info;
|
||||||
#ifdef HAVE_HW_TEKPOWER_DMM
|
#ifdef HAVE_HW_TEKPOWER_DMM
|
||||||
extern SR_PRIV struct sr_dev_driver tekpower_dmm_driver_info;
|
extern SR_PRIV struct sr_dev_driver tekpower_dmm_driver_info;
|
||||||
#endif
|
#endif
|
||||||
|
#ifdef HAVE_HW_UNI_T_DMM
|
||||||
|
extern SR_PRIV struct sr_dev_driver uni_t_dmm_driver_info;
|
||||||
|
#endif
|
||||||
/** @endcond */
|
/** @endcond */
|
||||||
|
|
||||||
static struct sr_dev_driver *drivers_list[] = {
|
static struct sr_dev_driver *drivers_list[] = {
|
||||||
|
|
@ -154,6 +157,9 @@ static struct sr_dev_driver *drivers_list[] = {
|
||||||
#endif
|
#endif
|
||||||
#ifdef HAVE_HW_TEKPOWER_DMM
|
#ifdef HAVE_HW_TEKPOWER_DMM
|
||||||
&tekpower_dmm_driver_info,
|
&tekpower_dmm_driver_info,
|
||||||
|
#endif
|
||||||
|
#ifdef HAVE_HW_UNI_T_DMM
|
||||||
|
&uni_t_dmm_driver_info,
|
||||||
#endif
|
#endif
|
||||||
NULL,
|
NULL,
|
||||||
};
|
};
|
||||||
|
|
|
||||||
|
|
@ -146,4 +146,9 @@ SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
|
||||||
const char *filename);
|
const char *filename);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
/*--- hardware/common/dmm/fs9922.c ------------------------------------------*/
|
||||||
|
|
||||||
|
SR_PRIV int sr_dmm_parse_fs9922(const uint8_t *buf, float *floatval,
|
||||||
|
struct sr_datafeed_analog *analog);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue