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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-11-11 22:02:31 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-11-11 22:02:31 +0000 |
| commit | fb312b25c3bf083f95f8896536ad491e8af8def7 (patch) | |
| tree | fae651d2fd7daa00db285455a485c16cb73af9c7 /nuttx/arch/sh/src | |
| parent | 031f1bcb1e3843396c4aae881fe06d48655aa759 (diff) | |
| download | px4-nuttx-fb312b25c3bf083f95f8896536ad491e8af8def7.tar.gz px4-nuttx-fb312b25c3bf083f95f8896536ad491e8af8def7.tar.bz2 px4-nuttx-fb312b25c3bf083f95f8896536ad491e8af8def7.zip | |
Correct conditional expression
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1201 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/sh/src')
| -rw-r--r-- | nuttx/arch/sh/src/sh1/sh1_lowputc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/nuttx/arch/sh/src/sh1/sh1_lowputc.c b/nuttx/arch/sh/src/sh1/sh1_lowputc.c index bae3f5bbd..092093670 100644 --- a/nuttx/arch/sh/src/sh1/sh1_lowputc.c +++ b/nuttx/arch/sh/src/sh1/sh1_lowputc.c @@ -176,7 +176,9 @@ #ifdef HAVE_CONSOLE static inline int up_txready(void) { - return (getreg8(SH1_SCI_BASE + SH1_SCI_SSR_OFFSET) & SH1_SCISSR_TDRE != 0); + /* Check the TDRE bit in the SSR. 1=TDR is empty */ + + return ((getreg8(SH1_SCI_BASE + SH1_SCI_SSR_OFFSET) & SH1_SCISSR_TDRE) != 0); } #endif |