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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2013-02-10 00:46:27 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2013-02-10 00:46:27 +0000
commitf0fef8e21fd0459b75b3e5faf318634e5befbdaf (patch)
treed9451e3904a1b2e84bce6b183ccaca719b78ff51 /nuttx/arch/arm/src
parent9768bf44e8f274eecc92f4eefbf0496f32649196 (diff)
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Fix a readline bug. If a NUL is received, it would return end-of-file
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5633 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src')
-rw-r--r--nuttx/arch/arm/src/stm32/stm32_serial.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_serial.c b/nuttx/arch/arm/src/stm32/stm32_serial.c
index 18e65f1d9..327e515b5 100644
--- a/nuttx/arch/arm/src/stm32/stm32_serial.c
+++ b/nuttx/arch/arm/src/stm32/stm32_serial.c
@@ -981,6 +981,8 @@ static void up_setspeed(struct uart_dev_s *dev)
}
else
{
+ DEBUGASSERT(usartdiv8 >= 8);
+
/* Perform mysterious operations on bits 0-3 */
brr = ((usartdiv8 & 0xfff0) | ((usartdiv8 & 0x000f) >> 1));