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| author | Nick Pelly <npelly@google.com> | 2011-06-08 09:44:14 -0700 |
|---|---|---|
| committer | Nick Pelly <npelly@google.com> | 2011-06-08 13:41:30 -0700 |
| commit | 99141cdd942973bc0cb8ef208ef717b14eb73b8e (patch) | |
| tree | ffb5bc7a177266c73706574f275f70f1f3c059ef /Linux_x86 | |
| parent | ffef684400a6420e365efeb77f5fffb747045c35 (diff) | |
| download | external_libnfc-nxp-99141cdd942973bc0cb8ef208ef717b14eb73b8e.zip external_libnfc-nxp-99141cdd942973bc0cb8ef208ef717b14eb73b8e.tar.gz external_libnfc-nxp-99141cdd942973bc0cb8ef208ef717b14eb73b8e.tar.bz2 | |
Sleep 500us between i2c writes, as per latest advice from NXP.
This should fix pn544 lock-ups seen during wired-mode stress tests.
Change-Id: I606b5909338dc889a475ad880df8646546b9ba40
Diffstat (limited to 'Linux_x86')
| -rw-r--r-- | Linux_x86/phDal4Nfc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Linux_x86/phDal4Nfc.c b/Linux_x86/phDal4Nfc.c index a8803e2..6d3c9fb 100644 --- a/Linux_x86/phDal4Nfc.c +++ b/Linux_x86/phDal4Nfc.c @@ -858,6 +858,7 @@ void phDal4Nfc_DeferredCb (void *params) /* DAL_DEBUG("dalMsg->transactInfo.length : %d\n", dalMsg->transactInfo.length); */ /* Make a Physical WRITE */ /* NOTE: need to usleep(3000) here if the write is for SWP */ + usleep(500); /* NXP advise 500us sleep required between I2C writes */ gReadWriteContext.nNbOfBytesWritten = gLinkFunc.write(gReadWriteContext.pWriteBuffer, gReadWriteContext.nNbOfBytesToWrite); if (gReadWriteContext.nNbOfBytesWritten != gReadWriteContext.nNbOfBytesToWrite) { |