From mboxrd@z Thu Jan 1 00:00:00 1970 From: ir. Tjeerd Pinkert Date: Tue, 17 Mar 2015 12:11:44 +0100 Subject: [Buildroot] [Patch] Added package python-smbus In-Reply-To: <5507244E.2080009@vu.nl> References: <5503198F.6070804@vu.nl> <5507244E.2080009@vu.nl> Message-ID: <55080BF0.1020108@vu.nl> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hi all, I managed to add a package python-smbus that installs the i2c-tools py-smbus extension so that i2c can be used under python. Most probably it is better to integrate this somehow into the i2c-tools scripts but this is the first onset of getting it working. Hints on how to best integrate, if regarded necessary, are welcome. Best regards, Tjeerd Pinkert buildroot$ git diff 6bf057b0f2ba188397a691f74877a4a30aaea3f9 -- diff --git a/package/Config.in b/package/Config.in index 262a7fb..7ef7149 100644 --- a/package/Config.in +++ b/package/Config.in @@ -525,6 +525,7 @@ menu "external python modules" source "package/python-flup/Config.in" source "package/python-gobject/Config.in" source "package/python-httplib2/Config.in" + source "package/python-smbus/Config.in" source "package/python-id3/Config.in" source "package/python-ipaddr/Config.in" source "package/python-ipy/Config.in" diff --git a/package/python-smbus/Config.in b/package/python-smbus/Config.in new file mode 100644 index 0000000..d53b0af --- /dev/null +++ b/package/python-smbus/Config.in @@ -0,0 +1,9 @@ +config BR2_PACKAGE_PYTHON_SMBUS + bool "python-smbus" + depends on BR2_PACKAGE_I2C_TOOLS + help + Python bindings to smbus from the i2c-tools package + + http://www.lm-sensors.org/wiki/I2CTools + + pyhton-smbus needs i2c-tools diff --git a/package/python-smbus/python-smbus.mk b/package/python-smbus/python-smbus.mk new file mode 100644 index 0000000..1673e6a --- /dev/null +++ b/package/python-smbus/python-smbus.mk @@ -0,0 +1,18 @@ +################################################################################ +# +# python-smbus (i2c-tools python bindings) +# +################################################################################ + +PYTHON_SMBUS_VERSION = 3.1.1 +PYTHON_SMBUS_SOURCE = i2c-tools-$(PYTHON_SMBUS_VERSION).tar.bz2 +PYTHON_SMBUS_SITE = http://dl.lm-sensors.org/i2c-tools/releases +PYTHON_SMBUS_SETUP_TYPE = distutils +PYTHON_SMBUS_LICENSE = GPLv2 +PYTHON_SMBUS_LICENSE_FILES = COPYING +PYTHON_SMBUS_DEPENDENCIES = i2c-tools +PYTHON_SMBUS_SUBDIR=py-smbus + +TARGET_CFLAGS += -I../include + +$(eval $(python-package)) On 16-03-15 19:43, ir. Tjeerd Pinkert wrote: > Since I'm quite new to Buildroot, I am trying to understand how to do > things and how this thing works by reading the manual and source code. > > I have been trying further on the python-smbus-cffi today, but > python-cffi seems to be fundamentally broken according to the internet. > Since my host machine does not yet have the python-cffi package (Debian > Stable), I could not pursue that path further. > > Next I tried to get the py-smbus from the i2c-tools package compiled. > Unfortunately unsuccessful. To compile the py-smbus package one normally > adds the EXTRA=py-smbus to the make command. I did that by adding an > option to the configuration menu and then trying to compile via a > modified makefile, but that goes wrong. > > I figured I needed a python-package makefile. Simply adding one to the > package directory then seems to be logical, but somehow does not work > because > > 1. I need to call 'make' from the subdirectory py-smbus. > 2. I get a funny error, probably I don't understand the make system good > enough yet. > > I get the following compilation error, I attached the scripts to this > email, but, what would be the correct approach for this type of > (sub)package compilation? Help is highly appreciated. > > error: > package/i2c-tools/i2c-tools-python.mk:17: *** "I2C_TOOLS_SETUP_TYPE must > be set". Stop. > > Best regards, > > > Tjeerd Pinkert