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2021-03-25iio: event_monitor: Enable events before monitoringLinus Walleij1-0/+1
After some painful sessions with a driver that register an enable/disable sysfs knob (gp2ap002) and manually going in and enabling the event before monitoring it: cd /sys/bus/iio/devices/iio\:device2/events # ls in_proximity_thresh_either_en # echo 1 > in_proximity_thresh_either_en I realized that it's better if the iio_event_monitor is smart enough to enable all events by itself and disable them after use, if passed the -a flag familiar from the iio_generic_buffer tool. Auto-enabling events depend on the hardware being able to handle all events at the same time which isn't necessarily the case, so a command line option is required for this. Cc: Bastien Nocera <hadess@hadess.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20210319135301.542911-1-linus.walleij@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-03-11tools: iio: convert iio_generic_buffer to use new IIO buffer APIAlexandru Ardelean1-2/+2
This change makes use of the new IIO buffer API to read data from an IIO buffer. It doesn't read the /sys/bus/iio/devices/iio:deviceX/scan_elements dir anymore, it reads /sys/bus/iio/devices/iio:deviceX/bufferY, where all the scan_elements have been merged together with the old/classical buffer attributes. And it makes use of the new IIO_BUFFER_GET_FD_IOCTL ioctl to get an FD for the IIO buffer for which to read data from. It also does a quick sanity check to see that -EBUSY is returned if reading the chardev after the ioctl() has succeeded. This was tested with the following cases: 1. Tested buffer0 works with ioctl() 2. Tested that buffer0 can't be opened via /dev/iio:deviceX after ioctl() This check should be omitted under normal operation; it's being done here to check that the driver change is sane 3. Moved valid buffer0 to be buffer1, and tested that data comes from it Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Link: https://lore.kernel.org/r/20210215104043.91251-25-alexandru.ardelean@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-03-11tools: iio: make iioutils_get_type() private in iio_utilsAlexandru Ardelean1-4/+0
This is a bit of a tidy-up, but also helps with extending the iioutils_get_type() function a bit, as we don't need to use it outside of the iio_utils.c file. So, we'll need to update it only in one place. With this change, the 'unsigned' types are updated to 'unsigned int' in the iioutils_get_type() function definition. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Link: https://lore.kernel.org/r/20210215104043.91251-23-alexandru.ardelean@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner1-4/+1
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-07iio: tools: generic_buffer: increase trigger lengthEugen Hristev1-1/+1
Increased trigger length to 64 in order to cope with trigger names like fc030000.adc-dev0-external-rising Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: tools: generic_buffer: auto-enable channelsLinus Walleij1-0/+7
If no channels are enabled when we run generic_buffer on a device, add a command-line option to just enable all of them, run the sampling and disable them all again afterwards. This is extremely useful when I'm low-level testing my sensors with interrupts and triggers, sample session: root@Ux500:/ lsiio Device 000: lsm303dlh_accel Device 001: lis331dl_accel Device 002: l3g4200d Device 003: lsm303dlh_magn Device 004: lps001wp Trigger 000: lsm303dlh_accel-trigger Trigger 001: lis331dl_accel-trigger Trigger 002: l3g4200d-trigger root@Ux500:/ generic_buffer -a -c 10 -n l3g4200d iio device number being used is 2 iio trigger number being used is 2 No channels are enabled, enabling all channels Enabling: in_anglvel_x_en Enabling: in_anglvel_y_en Enabling: in_anglvel_z_en Enabling: in_timestamp_en /sys/bus/iio/devices/iio:device2 l3g4200d-trigger -3.593664 -0.713133 4.870143 946684863662292480 3.225546 0.867357 -4.945878 946684863671875000 -0.676413 0.127296 0.106641 946684863681488037 -0.661113 0.110160 0.128826 946684863690673828 -0.664173 0.113067 0.123471 946684863700683593 -0.664938 0.109395 0.124848 946684863710144042 -0.664173 0.110619 0.130203 946684863719512939 -0.666162 0.111231 0.132651 946684863729125976 -0.668610 0.111690 0.130662 946684863738739013 -0.660501 0.110466 0.131733 946684863748565673 Disabling: in_anglvel_x_en Disabling: in_anglvel_y_en Disabling: in_anglvel_z_en Disabling: in_timestamp_en Pure awesomeness. If some channels have been enabled through scripts or manual interaction, nothing happens. Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-08-08tools: iio: remove unnecessary double pointerJoo Aun Saw1-1/+1
Remove unnecessary double pointer from channel sorting function. Signed-off-by: Joo Aun Saw <jasaw@dius.com.au> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-07-20tools: iio: Add ARRAY_SIZE macroCristina Opriceana1-0/+2
Calculation of the length of an array can be done with the ARRAY_SIZE macro to make code more abstract and remove the associated checkpatch.pl warning. Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com> Acked-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-13tools:iio: adjust coding styleHartmut Knaack1-8/+7
Fix various coding style issues, including: * have spaces around operators * indentation * consolidate parameters in same line * required braces * adjust/drop comments * multiline comment style * delete unnecessary empty lines * add empty lines to visualize logial code blocks * typos Signed-off-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-01tools:iio:iio_utils: pass strings as constHartmut Knaack1-6/+9
Mark strings, which are not supposed to be changed (basedir, filename, value), as const in function parameters. Signed-off-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-01tools:iio:iio_utils: add missing documentationHartmut Knaack1-1/+4
Fully document public functions and elements. Signed-off-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-03-09iio: Move iio userspace applications out of stagingRoberta Dobrescu1-0/+71
This patch moves iio userspace applications out of staging, to tools/iio/ and adds a Makefile in order to compile them easily. It also adds tools/iio/ to MAINTAINERS file. Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>