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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-05-12 23:51:04 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-05-12 23:51:04 +0000 |
| commit | 0a2004fa091fffedf56545b276783d7e00e9827f (patch) | |
| tree | 4cdf692110e72d81ef22b2a1af582ae99d65a563 /nuttx/arch/rgmp/src | |
| parent | d816fccfd855e51d0e60d6e036ebc4779c2304f9 (diff) | |
| download | px4-nuttx-0a2004fa091fffedf56545b276783d7e00e9827f.tar.gz px4-nuttx-0a2004fa091fffedf56545b276783d7e00e9827f.tar.bz2 px4-nuttx-0a2004fa091fffedf56545b276783d7e00e9827f.zip | |
Fix com.c logic error
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3600 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/rgmp/src')
| -rw-r--r-- | nuttx/arch/rgmp/src/com.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/nuttx/arch/rgmp/src/com.c b/nuttx/arch/rgmp/src/com.c index 7f3f5028e..e1b8febb2 100644 --- a/nuttx/arch/rgmp/src/com.c +++ b/nuttx/arch/rgmp/src/com.c @@ -485,11 +485,14 @@ static void up_txint(struct uart_dev_s *dev, bool enable) { struct up_dev_s *priv = (struct up_dev_s*)dev->priv; uint16_t base = priv->base; + irqstate_t flags; uint8_t ier; + flags = irqsave(); ier = inb(base+COM_IER); if (enable) { ier |= COM_IER_TEI; + outb(base+COM_IER, ier); /* Fake a TX interrupt here by just calling uart_xmitchars() with * interrupts disabled (note this may recurse). @@ -499,8 +502,9 @@ static void up_txint(struct uart_dev_s *dev, bool enable) } else { ier &= ~COM_IER_TEI; + outb(base+COM_IER, ier); } - outb(base+COM_IER, ier); + irqrestore(flags); } /**************************************************************************** |