Commit 125d10ff authored by Levin Zimmermann's avatar Levin Zimmermann

playbook/olimex-sensor: Drop old images support...

...for the purpose of a less obscure and more clear code.

The "dropped Olimex Debian images" are supposed to be very old.
Please see nexedi/slapos.package@7c5a2eff (comment 167627)
for a complete discussion of this decision.
parent 6e9230cd
Pipeline #23650 passed with stage
in 0 seconds
......@@ -17,20 +17,6 @@
name: bme280
executable: pip3
# We need to set a different bus number depending
# on the debian version. For Debian 12 we may
# need another number again.
- name: Set bus number for debian bullseye
set_fact:
i2c_bus_number: 3
when: ansible_distribution == 'Debian' and ansible_distribution_release == 'Buster'
- name: Set bus number for debian bullseye
set_fact:
i2c_bus_number: 2
when: ansible_distribution == 'Debian' and ansible_distribution_release == 'bullseye'
- name: Solve python template to read sensor
template:
src: read_bme280.j2
......
i2c_bus_number: "3"
# This i2c bus number should relate to the port of the Olimex
# board "A20-OLinuXino-LIME2", where the sensor is plugged in the
# following picture:
#
# https://wendelin.nexedi.com/wendelin-Tutorial.Setup.Sensor.IOTGateway/olimex-sensor.Photo?format=
#
# This picture belongs to the Wendelin Learning Track:
#
# https://wendelin.nexedi.com/wendelin-Tutorial.Setup.Sensor.IOTGateway/WebPage_viewAsWeb
#
# This i2c bus number is expected to represent the given port
# if the running OS is one of the Olimex provided Debian images
# (starting from Debian 11). It is possible that at any given
# moment Olimex may decide to change the i2c bus number mapping.
# The mapping is defined in the following devicetree:
#
# https://github.com/torvalds/linux/blob/4e0d439/arch/arm/boot/dts/sun7i-a20.dtsi#L1439-L1450
#
# If respective parts in this file are changed, we may need to
# adapt the 'i2c_bus_number' if the playbook shall work with
# newer Olimex Debian images.
#
# Please find more information in the following note:
#
# https://lab.nexedi.com/nexedi/slapos.package/commit/7c5a2effb5d7f25d3753f31db3bb7fcf44f2ebd2#note_167627
i2c_bus_number: "2"
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