6. I2C and SPI communication test
Purpose: This test checks communication with devices
connected to the internal I2C and SPI bus.
Notes: I2C devices are tested by sending the slave address
and looking for “ACK”.
SPI devices are tested by sending certain settings
and reading them back.
Test result 1: Display shows “F xxxx xxxxxxxx”
x=“0” ....test/device failed
x=“1” ....test/device passed
x=“--”....test not executed
The digits (read from left to right) have following meaning:
Test result 2: Display shows “V xxxx xxxxxxxx”
x=“0” ....test/device failed
x=“1” ....test/device passed
x=“--”....device not tested
The digits (read from left to right) have following meaning:
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