Set read bit in MCP23S17 and raise exception in TGpioLinuxPin#7
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SpaceEEC wants to merge 2 commits intoSAmeis:masterfrom
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Set read bit in MCP23S17 and raise exception in TGpioLinuxPin#7SpaceEEC wants to merge 2 commits intoSAmeis:masterfrom
SpaceEEC wants to merge 2 commits intoSAmeis:masterfrom
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Two things I stumbled accross:
MCP23S17
The

r/wbyte was never set, resulting in writing zeros into the register instead of actually reading from it.See the figure from here.
TGpioLinuxPin
When writing to a file via
TGpioLinuxPin.WriteToFilefailed, the created exception would never actually get raised and the whole operations silently fails.