Instalare libiio pe Raspberry Pi

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Versiunea din 23 martie 2025 16:17, autor: Yo3iti (discuție | contribuții)
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Instalare libiio pe Raspberry Pi

Descărcare libiio și pregătire

Problemele care apar (lipsa librăriilor) sunt evidențiate în galben și vor fi tratate în capitolul următor. 

tom@rpi-i2s:~/programare $ git clone https://github.com/analogdevicesinc/libiio.git

Cloning into 'libiio'...
remote: Enumerating objects: 20695, done.
remote: Counting objects: 100% (508/508), done.
remote: Compressing objects: 100% (276/276), done.
remote: Total 20695 (delta 346), reused 242 (delta 231), pack-reused 20187 (from 4)
Receiving objects: 100% (20695/20695), 20.65 MiB | 7.48 MiB/s, done.
Resolving deltas: 100% (13821/13821), done.

tom@rpi-i2s:~/programare $ cd libiio/
tom@rpi-i2s:~/programare/libiio $ mkdir build
tom@rpi-i2s:~/programare/libiio $ cd build/
tom@rpi-i2s:~/programare/libiio/build $ cmake ../

-- cmake version: 3.18.4
-- The C compiler identification is GNU 10.2.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Performing Test HAS_WPEDANTIC
-- Performing Test HAS_WPEDANTIC - Success
-- Performing Test HAS_WSHADOW
-- Performing Test HAS_WSHADOW - Success
-- Looking for strdup
-- Looking for strdup - found
-- Looking for strndup
-- Looking for strndup - found
-- Looking for strerror_r
-- Looking for strerror_r - found
-- Looking for strtok_r
-- Looking for strtok_r - found
-- Looking for newlocale
-- Looking for newlocale - found
-- Looking for in6addr_any
-- Looking for in6addr_any - found
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.2") 
-- Checking for module 'libusb-1.0'
--   Found libusb-1.0, version 1.0.24
-- Looking for libusb_get_version
-- Looking for libusb_get_version - found
-- Found Git: /usr/bin/git (found version "2.30.2") 
CMake Error at CMakeLists.txt:474 (message):
  Unable to find libzstd dependency.

  If you want to disable ZSTD compression support, set WITH_ZSTD=OFF.


-- Performing Test WITH_NETWORK_EVENTFD
-- Performing Test WITH_NETWORK_EVENTFD - Success
CMake Error at CMakeLists.txt:543 (message):
  Unable to find libavahi-common / libavahi-client dependencies.

  If you want to disable DNS-SD (ZeroConf) support, set HAVE_DNS_SD=OFF.


-- Could NOT find LibXml2 (missing: LIBXML2_LIBRARY LIBXML2_INCLUDE_DIR) 
CMake Error at CMakeLists.txt:579 (message):
  Unable to find libxml2 dependency.

  If you want to disable the XML backend, set WITH_XML_BACKEND=OFF.


-- Looking for pthread_setname_np
-- Looking for pthread_setname_np - found
-- Could NOT find BISON (missing: BISON_EXECUTABLE) 
-- Could NOT find FLEX (missing: FLEX_EXECUTABLE) 
CMake Error at iiod/CMakeLists.txt:26 (flex_target):
  Unknown CMake command "flex_target".


-- Configuring incomplete, errors occurred!
See also "/home/tom/programare/libiio/build/CMakeFiles/CMakeOutput.log".

Tratare erori și librării lipsă

tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y libzstd-dev
tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y libavahi-client-dev
tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y libxml2-dev
tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y bison
tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y flex
tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y libaio1
tom@rpi-i2s:~/programare/libiio/build $ sudo apt install -y libaio-dev

Compilare

tom@rpi-i2s:~/programare/libiio/build $ make all
Scanning dependencies of target iiod-responder
[  1%] Building C object CMakeFiles/iiod-responder.dir/iiod-responder.c.o
...
[ 98%] Building C object iiod/CMakeFiles/iiod.dir/dns-sd.c.o
[100%] Linking C executable iiod
[100%] Built target iiod

tom@rpi-i2s:~/programare/libiio/build $ sudo make install
[  3%] Built target iiod-responder
[  7%] Built target iio-compat
[ 50%] Built target iio
[ 55%] Built target iio_tests_helper
[ 58%] Built target iio_genxml
[ 61%] Built target iio_stresstest
[ 64%] Built target iio_info
[ 67%] Built target iio_attr
[ 70%] Built target iio_rwdev
[ 73%] Built target iio_reg
[ 76%] Built target iio_event
[100%] Built target iiod
Install the project...
-- Install configuration: "RelWithDebInfo"
-- Installing: /usr/lib/aarch64-linux-gnu/pkgconfig/libiio.pc
-- Installing: /usr/lib/aarch64-linux-gnu/libiio.so.1.0
-- Installing: /usr/lib/aarch64-linux-gnu/libiio.so.1
-- Installing: /usr/lib/aarch64-linux-gnu/libiio.so
-- Installing: /usr/include/iio/iio.h
-- Installing: /usr/include/iio/iio-debug.h
-- Installing: /usr/include/iio/iio-lock.h
-- Installing: /usr/include/iio/iiod-client.h
-- Installing: /usr/lib/aarch64-linux-gnu/libiio.so.0
-- Installing: /usr/bin/iio_genxml
-- Installing: /usr/bin/iio_info
-- Installing: /usr/bin/iio_attr
-- Installing: /usr/bin/iio_rwdev
-- Installing: /usr/bin/iio_reg
-- Installing: /usr/bin/iio_event
-- Installing: /usr/bin/iio_stresstest
-- Installing: /lib/udev/rules.d/90-libiio.rules
-- Installing: /usr/sbin/iiod
-- Set runtime path of "/usr/sbin/iiod" to ""

După instalare, directorul build arată: 

tom@rpi-i2s:~/programare/libiio/build $ ls -lsa
total 1204
  4 drwxr-xr-x  7 tom  tom    4096 Mar 19 22:34 .
  4 drwxr-xr-x 17 tom  tom    4096 Mar 19 22:24 ..
  4 -rw-r--r--  1 tom  tom     152 Mar 19 22:30 90-libiio.rules
  8 -rw-r--r--  1 tom  tom    4453 Mar 19 22:30 artifact_manifest.txt
  4 drwxr-xr-x  3 tom  tom    4096 Mar 19 22:33 bindings
 28 -rw-r--r--  1 tom  tom   27733 Mar 19 22:33 CMakeCache.txt
  4 drwxr-xr-x  9 tom  tom    4096 Mar 19 22:34 CMakeFiles
  8 -rw-r--r--  1 tom  tom    6872 Mar 19 22:33 cmake_install.cmake
  4 -rw-r--r--  1 tom  tom    3574 Mar 19 22:30 cmake_uninstall.cmake
  4 -rw-r--r--  1 tom  tom    1338 Mar 19 22:30 iio-config.h
  4 drwxr-xr-x  3 tom  tom    4096 Mar 19 22:33 iiod
  4 -rw-r--r--  1 root root    497 Mar 19 22:34 install_manifest.txt
 72 -rw-r--r--  1 tom  tom   72566 Mar 19 22:33 libiiod-responder.a
  4 -rw-r--r--  1 tom  tom    3386 Mar 19 22:30 libiio.iss
  4 -rw-r--r--  1 tom  tom     227 Mar 19 22:30 libiio.pc
  0 lrwxrwxrwx  1 tom  tom      11 Mar 19 22:33 libiio.so -> libiio.so.1
176 -rwxr-xr-x  1 tom  tom  177912 Mar 19 22:33 libiio.so.0
  0 lrwxrwxrwx  1 tom  tom      13 Mar 19 22:33 libiio.so.1 -> libiio.so.1.0
824 -rwxr-xr-x  1 tom  tom  839800 Mar 19 22:33 libiio.so.1.0
 32 -rw-r--r--  1 tom  tom   32741 Mar 19 22:33 Makefile
  4 drwxr-xr-x  3 tom  tom    4096 Mar 19 22:33 man
  4 drwxr-xr-x  3 tom  tom    4096 Mar 19 22:33 utils
  4 -rw-r--r--  1 tom  tom      13 Mar 19 22:33 .version

Verificare instalare

În cazul de față am un Adalm Pluto conectat pe USB: 

tom@rpi-i2s:~/programare/libiio/build $ iio_info
iio_info version: 1.0 (git tag:0313659f)
Libiio version: 1.0 (git tag: 0313659f) backends: local ip usb xml
IIO context created with local backend.
Backend version: 1.0 (git tag: 0313659f)
Backend description string: Linux rpi-i2s 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr  3 17:24:16 BST 2023 aarch64
IIO context has 2 attributes:
	attr  0: local,kernel value: 6.1.21-v8+
	attr  1: uri value: local:
IIO context has 2 devices:
	hwmon0: cpu_thermal
		1 channels found:
			temp1:  (input)
			2 channel-specific attributes found:
				attr  0: crit (temp1_crit) value: 110000
				attr  1: input (temp1_input) value: 51608
		No trigger on this device
	hwmon1: rpi_volt
		1 channels found:
			in0:  (input)
			1 channel-specific attributes found:
				attr  0: lcrit_alarm (in0_lcrit_alarm) value: 0
		No trigger on this device
tom@rpi-i2s:~/programare/libiio/build $ iio_info -S
Available contexts:
	0: 0456:b673 (Analog Devices Inc. PlutoSDR (ADALM-PLUTO)), serial=1044730a19970019030031006a5f7c113d [usb:1.3.5]
	1: (cpu_thermal,rpi_volt on Raspberry Pi 4 Model B Rev 1.4) [local:]
	2: 192.168.2.1 (v0.37), serial=ad9363a [ip:pluto.local]
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