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| author | Gregory Nutt <gnutt@nuttx.org> | 2013-06-12 17:32:00 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2013-06-12 17:32:00 -0600 |
| commit | 3980a00ab75c580d1f4246a9be226631832c9e6e (patch) | |
| tree | 1d8e177d23a39c0fe30e44cc1843cb3f4d737021 /nuttx/drivers/input | |
| parent | 5633c904e72b25119bbd9056bc0951ef9f6ad88e (diff) | |
| download | px4-nuttx-3980a00ab75c580d1f4246a9be226631832c9e6e.tar.gz px4-nuttx-3980a00ab75c580d1f4246a9be226631832c9e6e.tar.bz2 px4-nuttx-3980a00ab75c580d1f4246a9be226631832c9e6e.zip | |
Remove CONFIG_XYZ_BUILTIN configurations, replace with the single CONFIG_NSH_BUILTIN_APPS. Add SAM3/4 sam_periphclks.h which is just a header file that includes the right header file. Misc SAM3U-EK cleanup
Diffstat (limited to 'nuttx/drivers/input')
| -rw-r--r-- | nuttx/drivers/input/ads7843e.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nuttx/drivers/input/ads7843e.c b/nuttx/drivers/input/ads7843e.c index 620b8faee..98893a2f6 100644 --- a/nuttx/drivers/input/ads7843e.c +++ b/nuttx/drivers/input/ads7843e.c @@ -270,6 +270,11 @@ static inline void ads7843e_configspi(FAR struct spi_dev_s *spi) static inline void ads7843e_waitbusy(FAR struct ads7843e_dev_s *priv) { + /* BUSY is high impedance when the ads7843e not selected. When the + * ads7843e selected, BUSY is active high. Hence, it is necessary to have + * the ads7843e selected when this function is called. + */ + while (priv->config->busy(priv->config)); } |