Finish framebuffer support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2672 42af7a65-404d-4744-a932-0658087f49c3

configs/README.txt

@@ -359,10 +359,11 @@ defconfig -- This is a configuration file similar to the Linux
 		CONFIG_P14201_FRAMEBUFFER - If defined, accesses will be performed
 		  using an in-memory copy of the OLEDs GDDRAM.  This cost of this
 		  buffer is 128 * 96 / 2 = 6Kb.  If this is defined, then the driver
-		  will be fully functioned. If not, then it will have the following
+		  will be fully functional. If not, then it will have the following
 		  limitations:
 		  - Reading graphics memory cannot be supported, and
 		  - All pixel writes must be aligned to byte boundaries.
+		  The latter limitation effectively reduces the 128x96 disply to 64x96.
 
 	ENC28J60 Ethernet Driver Configuration Settings:
 		CONFIG_NET_ENC28J60 - Enabled ENC28J60 support

configs/lm3s6965-ek/nx/defconfig

@@ -576,6 +576,27 @@ CONFIG_NX_BLOCKING=y
 CONFIG_NX_MXSERVERMSGS=32
 CONFIG_NX_MXCLIENTMSGS=16
 
+# RiT P14201 OLED Driver Configuration
+#
+# CONFIG_LCD_P14201 - Enable P14201 support
+# CONFIG_P14201_SPIMODE - Controls the SPI mode
+# CONFIG_P14201_FREQUENCY - Define to use a different bus frequency
+# CONFIG_P14201_NINTERFACES - Specifies the number of physical P14201 devices that
+#   will be supported.
+# CONFIG_P14201_FRAMEBUFFER - If defined, accesses will be performed using an in-memory
+#   copy of the OLEDs GDDRAM.  This cost of this buffer is 128 * 96 / 2 = 6Kb.  If this
+#   is defined, then the driver will be fully functional. If not, then it will have the
+#   following limitations:
+#   - Reading graphics memory cannot be supported, and
+#   - All pixel writes must be aligned to byte boundaries.
+#
+#   The latter limitation effectively reduces the 128x96 disply to 64x96.
+CONFIG_LCD_P14201=y
+CONFIG_P14201_SPIMODE=0
+CONFIG_P14201_FREQUENCY=20000000
+CONFIG_P14201_NINTERFACES=1
+CONFIG_P14201_FRAMEBUFFER=y
+
 #
 # Settings for examples/uip
 #
@@ -708,6 +729,7 @@ CONFIG_EXAMPLES_NX_STACKSIZE=2048
 CONFIG_EXAMPLES_NX_CLIENTPRIO=80
 CONFIG_EXAMPLES_NX_SERVERPRIO=120
 CONFIG_EXAMPLES_NX_NOTIFYSIGNO=4
+CONFIG_EXAMPLES_NX_EXTERNINIT=y
 
 #
 # Stack and heap information

configs/lm3s6965-ek/src/lm3s6965ek_internal.h

@@ -126,18 +126,6 @@
 
 extern void weak_function lm3s_ssiinitialize(void);
 
-/************************************************************************************
- * Name: lm3s_oledinitialize
- *
- * Description:
- *   Called to configure OLED.
- *
- ************************************************************************************/
-
-#ifdef CONFIG_NX_LCDDRIVER
-extern void lm3s_oledinitialize(void);
-#endif
-
 #endif /* __ASSEMBLY__ */
 #endif /* __CONFIGS_LM3S6965_EK_SRC_LM3S6965EK_INTERNAL_H */
 

configs/lm3s6965-ek/src/up_boot.c

@@ -81,12 +81,6 @@ void lm3s_boardinitialize(void)
     {
       lm3s_ssiinitialize();
     }
-
-   /* Configure the OLED for use */
-
-#ifdef CONFIG_NX_LCDDRIVER
-   lm3s_oledinitialize();
-#endif
 #endif
 
   /* Configure on-board LEDs if LED support has been selected. */

configs/lm3s6965-ek/src/up_oled.c

@@ -59,17 +59,17 @@
  ****************************************************************************/
 
 /************************************************************************************
- * Name: lm3s_oledinitialize
+ * Name: up_nxdrvinit
  *
  * Description:
- *   Called to configure OLED.
+ *   Called NX initialization logic to configure the OLED.
  *
  ************************************************************************************/
 
-void lm3s_oledinitialize(void)
+FAR struct lcd_dev_s *up_nxdrvinit(unsigned int devno)
 {
   FAR struct spi_dev_s *spi;
-  int ret;
+  FAR struct lcd_dev_s *dev;
 
   /* Configure the OLED D/Cn GPIO */
 
@@ -86,16 +86,18 @@ void lm3s_oledinitialize(void)
     {
       /* Bind the SPI port to the OLED */
 
-      ret = rit_initialize(spi, 0);
+      dev = rit_initialize(spi, devno);
-      if (ret < 0)
+      if (!dev)
         {
-          glldbg("Failed to bind SPI port 0 to OLED: %d\n", ret);
+          glldbg("Failed to bind SPI port 0 to OLED %d: %d\n", ret, devno);
         }
      else
         {
-          gllvdbg("Bound SPI port 0 to OLED\n");
+          gllvdbg("Bound SPI port 0 to OLED %d\n", devno);
+          return dev;
         }
     }
+  return NULL;
 }
 
 /**************************************************************************************