ppisa commented on code in PR #12081:
URL: https://github.com/apache/nuttx/pull/12081#discussion_r1564997813
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arch/arm/src/samv7/Kconfig:
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@@ -3786,6 +3786,19 @@ config SAMV7_TC3_QE
---help---
Reserve TC3 for use by QEncoder.
+config SAMV7_QENCODER_ENABLE_GETINDEX
+ bool "Support ioctl GETINDEX call"
+ default n
Review Comment:
In the fact there can be two independent options configurable for each
encoder, the first index resets the counter, the second the position and index
should be extended to 32-bits. But when you consider adding these 8 options and
all ifdefs etc. then we have decided to leave single option and simpler code
for now. When somebody know what is he/she doing when enables GETINDEX on SAMv7
then all previous behavior can be achieved back by subtraction index from
position, limiting size etc.
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