Fix UART configuration issues

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1843 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog

@@ -755,5 +755,8 @@
 0.4.8 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
 
 	* lib/lib_*stream.c: Extend internal stream logic to support incoming streams.
+	* arch/arm/src/str71x: Made some progress with the Olimex STR-P711 before my
+	  emulator stopped working.  Serial output is now correct.  I don't think it
+	  would take much more to get it working!
 
 

Documentation/NuttX.html

@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: May 30, 2009</p>
+      <p>Last Updated: June 01, 2009</p>
     </td>
   </tr>
 </table>
@@ -1421,6 +1421,9 @@ buildroot-0.1.6 2009-xx-xx &lt;spudmonkey@racsa.co.cr&gt;
 nuttx-0.4.8 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 
 	* lib/lib_*stream.c: Extend internal stream logic to support incoming streams.
+	* arch/arm/src/str71x: Made some progress with the Olimex STR-P711 before my
+	  emulator stopped working.  Serial output is now correct.  I don't think it
+	  would take much more to get it working!
 
 pascal-0.1.3 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 

arch/arm/src/str71x/str71x_lowputc.c

@@ -196,7 +196,7 @@
 #if STR71X_UART_2STOP != 0
 #  define STR71X_UARTCR_STOP STR71X_UARTCR_STOPBIT20
 #else
-#  define STR71X_UARTCR_STOP STR71X_UARTCR_STOPBIT05
+#  define STR71X_UARTCR_STOP STR71X_UARTCR_STOPBIT10
 #endif
 
 #define STR71X_UARTCR_VALUE (STR71X_UARTCR_MODE|STR71X_UARTCR_PARITY|STR71X_UARTCR_STOP|\
@@ -212,7 +212,7 @@
  */
 
 #define UART_BAUDDIVISOR (16 * STR71X_UART_BAUD)
-#define UART_BAUDRATE    ((STR71X_PCLK1 + (UART_BAUDDIVISOR/2) / UART_BAUDDIVISOR))
+#define UART_BAUDRATE    ((STR71X_PCLK1 + (UART_BAUDDIVISOR/2)) / UART_BAUDDIVISOR)
 
 /**************************************************************************
  * Private Types

arch/arm/src/str71x/str71x_map.h

@@ -1,7 +1,7 @@
 /************************************************************************************
  * arch/arm/src/str71x/str71x_map.h
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without

arch/arm/src/str71x/str71x_pcu.h

@@ -1,7 +1,7 @@
 /************************************************************************************
  * arch/arm/src/str71x/str71x_pcu.h
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without

arch/arm/src/str71x/str71x_prccu.c

@@ -1,7 +1,7 @@
 /********************************************************************************
  * arch/arm/src/str71x/str71x_prccu.c
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,21 +48,12 @@
 
 #include "chip.h"
 #include "up_arch.h"
+#include "str71x_internal.h"
 
 /********************************************************************************
  * Definitions
  ********************************************************************************/
 
-/* Input frequency (CLK2) is either the main oscillator or the main oscillator
- * divided by 2.
- */
-
-#ifdef STR71X_PLL1_DIV2
-#  define STR71X_PLL1_CLK2 (STR71X_RCCU_MAIN_OSC/2)
-#else
-#  define STR71X_PLL1_CLK2 STR71X_RCCU_MAIN_OSC
-#endif
-
 /* Select set of peripherals to be enabled */
 
 /* APB1 periperals */
@@ -396,7 +387,7 @@ void str71x_prccuinit(void)
    * (CLK2) is greater than 3MHz.
    */
 
-#if STR71X_PLL1_CLK2 > 3000000
+#if STR71X_CLK2 > 3000000
   putreg32(PLL1MUL|PLL1DIV, STR71X_RCCU_PLL1CR);
 #else
   putreg32(PLL1MUL|PLL1DIV|STR71X_RCCUPLL1CR_FREFRANGE, STR71X_RCCU_PLL1CR);
@@ -409,7 +400,16 @@ void str71x_prccuinit(void)
   /* Set the CK2_16 Bit in the CFR to use CLK2/PLL1OUT as CLK3 */
 
   reg32  = getreg32(STR71X_RCCU_CFR);
-  putreg32(reg32 | STR71X_RCCUCFR_CK216, STR71X_RCCU_CFR);
+  reg32 |= STR71X_RCCUCFR_CK216;
+
+  /* Should the main oscillator divided down by 2? */
+
+#ifdef STR71X_PLL1IN_DIV2
+  reg32 |= STR71X_RCCUCFR_DIV2;
+#else
+  reg32 &= ~STR71X_RCCUCFR_DIV2;
+#endif
+  putreg32(reg32, STR71X_RCCU_CFR);
 
   /* Wait for the PLL to lock */
 

arch/arm/src/str71x/str71x_rccu.h

@@ -1,7 +1,7 @@
 /************************************************************************************
  * arch/arm/src/str71x/str71x_rccu.h
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without

configs/olimex-strp711/ostest/defconfig

@@ -1,7 +1,7 @@
 ############################################################################
 # configs/olimes-strp711/ostest/defconfig
 #
-#   Copyright (C) 2008, 2009 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -556,7 +556,7 @@ CONFIG_USBSTRG_REMOVABLE=y
 #
 # Settings for examples/ostest
 CONFIG_EXAMPLES_OSTEST_LOOPS=1
-CONFIG_EXAMPLES_OSTEST_STACKSIZE=4096
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=2048
 CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
 
 #