[Arm-netbook] SPI stress!

Luke Kenneth Casson Leighton lkcl at lkcl.net
Mon Oct 19 15:34:43 BST 2015


RRRRRR :)

i'm attempting to get the yunlea spi lcd with an hx8357 up and
running.  i'm resorting to bit-banging the spi at the moment because
it needs 9-bit initial "control" signal followed by 8-bit
"parameters"....

but once again just like with the I2C i have "unknown hardware"
combined with "unknown software".  sooo.... i think what i will do is
try a loop-back SPI software test.  connect SPI1 to SPI2 on the
STM32F072, and put SPI2 into slave mode and SPI1 into master.... then
see if i can get them to talk to each other.

*sigh*... :)

l.



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