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spi-hdlc-adapter: Fix for HDLC parser state machine. (#335)

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We were forgetting to turn off the `unescape_next_byte` flag.

Also changes the default log level from `LOG_WARNING` to
`LOG_NOTICE`.
This commit is contained in:
Robert Quattlebaum
2016-08-04 13:40:59 -07:00
committed by Jonathan Hui
parent 2a493e7ec0
commit 1613de62c4
1 changed files with 3 additions and 2 deletions
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tools/spi-hdlc-adapter/spi-hdlc-adapter.c
+3 -2
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@@ -112,7 +112,7 @@ static const char* sSpiDevPath = NULL;
static const char* sIntGpioDevPath = NULL;
static const char* sResGpioDevPath = NULL;
static int sVerbose = LOG_WARNING;
static int sVerbose = LOG_NOTICE;
static int sSpiDevFd = -1;
static int sResGpioValueFd = -1;
@@ -759,7 +759,7 @@ static int pull_hdlc(void)
}
else if (fcs != kHdlcCrcCheckValue)
{
syslog(LOG_WARNING, "HDLC frame with bad CRC");
syslog(LOG_WARNING, "HDLC frame with bad CRC (LEN:%d, FCS:0x%04X)", sSpiTxPayloadSize, fcs);
unescape_next_byte = false;
sSpiTxPayloadSize = 0;
fcs = kHdlcCrcResetValue;
@@ -793,6 +793,7 @@ static int pull_hdlc(void)
else if (unescape_next_byte)
{
byte = byte ^ HDLC_ESCAPE_XFORM;
unescape_next_byte = false;
}
fcs = hdlc_crc16(fcs, byte);