Fix STM32 SPI3 remap logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5200 42af7a65-404d-4744-a932-0658087f49c3

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

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

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

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;
 }
 

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
         {