From 09e07d6550872a195e1901fefa26ef30ea605b52 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 27 Sep 2012 20:15:24 +0000
Subject: [PATCH] Fix STM32 SPI3 remap logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5200 42af7a65-404d-4744-a932-0658087f49c3
---
 ChangeLog                             | 3 +++
 arch/arm/src/stm32/stm32_gpio.c       | 1 +
 configs/shenzhou/nxwm/defconfig       | 6 +++---
 configs/shenzhou/src/up_touchscreen.c | 3 ---
 drivers/input/ads7843e.c              | 3 +--
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1e667ddcfa..48ebddfca0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3435,3 +3435,6 @@
 	  DM9161 PHY.  If the DM9161 failed to initialize, then use the
 	  up_sysemreset() logic to reset the MCU.  Contributed by Darcy
 	  Gong.
+	* arch/arm/src/stm32/stm32_gpio.c:  Add missing logic to set bit
+	  for SPI3 remap.  This fixes the XPT2046 touchscreen driver using
+	  drivers/input/ads7843.c
diff --git a/arch/arm/src/stm32/stm32_gpio.c b/arch/arm/src/stm32/stm32_gpio.c
index 4703e82089..1dedd7ce70 100644
--- a/arch/arm/src/stm32/stm32_gpio.c
+++ b/arch/arm/src/stm32/stm32_gpio.c
@@ -128,6 +128,7 @@ static inline void stm32_gpioremap(void)
   val |= AFIO_MAPR_SPI1_REMAP;
 #endif
 #ifdef CONFIG_STM32_SPI3_REMAP
+  val |= AFIO_MAPR_SPI3_REMAP;
 #endif
 
 #ifdef CONFIG_STM32_I2C1_REMAP
diff --git a/configs/shenzhou/nxwm/defconfig b/configs/shenzhou/nxwm/defconfig
index b529907c1d..811ba02667 100644
--- a/configs/shenzhou/nxwm/defconfig
+++ b/configs/shenzhou/nxwm/defconfig
@@ -362,9 +362,9 @@ CONFIG_INPUT_ADS7843E=y
 # CONFIG_ADS7843E_MULTIPLE is not set
 CONFIG_ADS7843E_SPIMODE=0
 CONFIG_ADS7843E_FREQUENCY=100000
-# CONFIG_ADS7843E_SWAPXY is not set
-CONFIG_ADS7843E_THRESHX=12
-CONFIG_ADS7843E_THRESHY=12
+CONFIG_ADS7843E_SWAPXY=y
+CONFIG_ADS7843E_THRESHX=39
+CONFIG_ADS7843E_THRESHY=51
 # CONFIG_INPUT_STMPE811 is not set
 CONFIG_LCD=y
 # CONFIG_LCD_NOGETRUN is not set
diff --git a/configs/shenzhou/src/up_touchscreen.c b/configs/shenzhou/src/up_touchscreen.c
index 969b23be45..4740f60a50 100644
--- a/configs/shenzhou/src/up_touchscreen.c
+++ b/configs/shenzhou/src/up_touchscreen.c
@@ -209,9 +209,6 @@ static bool tsc_busy(FAR struct ads7843e_config_s *state)
    * between sending the command, then reading the returned data.
    */
 
-#if 0
-  up_udelay(1600); /* 1.6MS */
-#endif
   return false;
 }
 
diff --git a/drivers/input/ads7843e.c b/drivers/input/ads7843e.c
index ce45e4537b..27060bd078 100644
--- a/drivers/input/ads7843e.c
+++ b/drivers/input/ads7843e.c
@@ -951,8 +951,7 @@ static ssize_t ads7843e_read(FAR struct file *filep, FAR char *buffer, size_t le
 
       if (sample.valid)
         {
-          report->point[0].flags  = TOUCH_UP | TOUCH_ID_VALID |
-                                    TOUCH_POS_VALID | TOUCH_PRESSURE_VALID;
+          report->point[0].flags  = TOUCH_UP | TOUCH_ID_VALID | TOUCH_POS_VALID;
         }
       else
         {