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| author | Martijn Coenen <maco@google.com> | 2011-10-21 15:09:35 -0700 |
|---|---|---|
| committer | Martijn Coenen <maco@google.com> | 2011-10-21 15:15:10 -0700 |
| commit | bb6fce1837b09954db7268c47c66bd5590ac1e37 (patch) | |
| tree | 23d354eeced0b86214844421d5cec5aad6d3ec5d | |
| parent | 31e4d8b1ad54c78cb667155ad4ed9ece33f4b075 (diff) | |
| download | external_libnfc-nxp-bb6fce1837b09954db7268c47c66bd5590ac1e37.zip external_libnfc-nxp-bb6fce1837b09954db7268c47c66bd5590ac1e37.tar.gz external_libnfc-nxp-bb6fce1837b09954db7268c47c66bd5590ac1e37.tar.bz2 | |
Remove NFC I2C workaround for Prime (DO NOT MERGE).
Change-Id: Ie0855f147030552cc1bec0ea05e59576650fa417
| -rw-r--r-- | Linux_x86/phDal4Nfc.c | 40 |
1 files changed, 5 insertions, 35 deletions
diff --git a/Linux_x86/phDal4Nfc.c b/Linux_x86/phDal4Nfc.c index 9bedaf9..273a9b4 100644 --- a/Linux_x86/phDal4Nfc.c +++ b/Linux_x86/phDal4Nfc.c @@ -720,35 +720,12 @@ int phDal4Nfc_ReaderThread(void * pArg) } /* Issue read operation.*/ + gReadWriteContext.nNbOfBytesRead=0; + DAL_DEBUG("RX Thread *New *** *****Request Length = %d",gReadWriteContext.nNbOfBytesToRead); + memsetRet=memset(gReadWriteContext.pReadBuffer,0,gReadWriteContext.nNbOfBytesToRead); - i2c_error_count = 0; -retry: - gReadWriteContext.nNbOfBytesRead=0; - DAL_DEBUG("RX Thread *New *** *****Request Length = %d",gReadWriteContext.nNbOfBytesToRead); - memsetRet=memset(gReadWriteContext.pReadBuffer,0,gReadWriteContext.nNbOfBytesToRead); - - /* Wait for IRQ !!! */ - gReadWriteContext.nNbOfBytesRead = gLinkFunc.read(gReadWriteContext.pReadBuffer, gReadWriteContext.nNbOfBytesToRead); - - /* TODO: Remove this hack - * Reading the value 0x57 indicates a HW I2C error at I2C address 0x57 - * (pn544). There should not be false positives because a read of length 1 - * must be a HCI length read, and a length of 0x57 is impossible (max is 33). - */ - if(gReadWriteContext.nNbOfBytesToRead == 1 && gReadWriteContext.pReadBuffer[0] == 0x57) - { - i2c_error_count++; - DAL_DEBUG("RX Thread Read 0x57 %d times\n", i2c_error_count); - if (i2c_error_count < 5) { - usleep(2000); - goto retry; - } - DAL_PRINT("RX Thread NOTHING TO READ, RECOVER"); - phOsalNfc_RaiseException(phOsalNfc_e_UnrecovFirmwareErr,1); - } - else - { - i2c_error_count = 0; + /* Wait for IRQ !!! */ + gReadWriteContext.nNbOfBytesRead = gLinkFunc.read(gReadWriteContext.pReadBuffer, gReadWriteContext.nNbOfBytesToRead); if (low_level_traces) { @@ -756,12 +733,6 @@ retry: } DAL_DEBUG("RX Thread Read ok. nbToRead=%d\n", gReadWriteContext.nNbOfBytesToRead); DAL_DEBUG("RX Thread NbReallyRead=%d\n", gReadWriteContext.nNbOfBytesRead); -/* DAL_PRINT("RX Thread ReadBuff[]={ "); - for (i = 0; i < gReadWriteContext.nNbOfBytesRead; i++) - { - DAL_DEBUG("RX Thread 0x%x ", gReadWriteContext.pReadBuffer[i]); - } - DAL_PRINT("RX Thread }\n"); */ /* read completed immediately */ sMsg.eMsgType= PHDAL4NFC_READ_MESSAGE; @@ -770,7 +741,6 @@ retry: phDal4Nfc_DeferredCall((pphDal4Nfc_DeferFuncPointer_t)phDal4Nfc_DeferredCb,(void *)pmsgType); memsetRet=memset(&sMsg,0,sizeof(phDal4Nfc_Message_t)); memsetRet=memset(&OsalMsg,0,sizeof(phOsalNfc_Message_t)); - } } /* End of thread Loop*/ |