# \#serial-flash

**URL:** https://forums.digi.com/tag/serial-flash/3961.md

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## [sfspi\_xread always reads zero where sf\_initDevice calls \_sf\_deviceStatus.](https://forums.digi.com/t/sfspi-xread-always-reads-zero-where-sf-initdevice-calls-sf-devicestatus/20187)

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**Author:** [@robertdataclutch](https://forums.digi.com/u/robertdataclutch)\
**Replies:** 1\
**Last updated:** [January 18, 2019, 12:53pm UTC](https://forums.digi.com/t/sfspi-xread-always-reads-zero-where-sf-initdevice-calls-sf-devicestatus/20187 "2019-01-18T12:53:20Z")

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Rabbit module RCM4200 Dynamic C 10.72D These functions are in sflash.lib The sample program sflash\_inspect.c cannot initialize the flash because it times out without the msb ever being nonzero.