ADS7843 updates

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4042 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 11 insertions, 3 deletions

diff --git a/nuttx/configs/sam3u-ek/src/up_spi.c b/nuttx/configs/sam3u-ek/src/up_spi.c
index 8fed3c48f..8dafc293e 100644
--- a/nuttx/configs/sam3u-ek/src/up_spi.c
+++ b/nuttx/configs/sam3u-ek/src/up_spi.c
@@ -161,7 +161,6 @@ void weak_function sam3u_spiinitialize(void)
  *
  ****************************************************************************/
 
-#ifdef CONFIG_SAM3U_SPI
 int sam3u_spicsnumber(enum spi_dev_e devid)
 {
   int cs = -EINVAL;
@@ -240,6 +239,5 @@ uint8_t sam3u_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
 {
   return 0;
 }
-#endif
 
 #endif /* CONFIG_SAM3U_SPI */
diff --git a/nuttx/configs/sam3u-ek/src/up_touchscreen.c b/nuttx/configs/sam3u-ek/src/up_touchscreen.c
index 9b58f151c..0de367ec9 100755
--- a/nuttx/configs/sam3u-ek/src/up_touchscreen.c
+++ b/nuttx/configs/sam3u-ek/src/up_touchscreen.c
@@ -179,10 +179,20 @@ static void tsc_clear(FAR struct ads7843e_config_s *state)
 
 static bool tsc_busy(FAR struct ads7843e_config_s *state)
 {
+#if defined(CONFIG_DEBUG_INPUT) && defined(CONFIG_DEBUG_VERBOSE)
+  static bool last = (bool)-1;
+#endif
+
   /* REVISIT:  This might need to be inverted */
 
   bool busy = sam3u_gpioread(GPIO_TCS_BUSY);
-  ivdbg("busy:%d\n", busy);
+#if defined(CONFIG_DEBUG_INPUT) && defined(CONFIG_DEBUG_VERBOSE)
+  if (busy != last)
+    {
+      ivdbg("busy:%d\n", busy);
+      last = busy;
+    }
+#endif
   return busy;
 }