fix LPC177x/8x GPIO debug instrumentation

ChangeLog

@@ -4514,4 +4514,13 @@
 	* arch/arm/src/lpc17xx/lpc17_gpio.c/.h:  Separate LPC176x and LPC178x
 	  logic into separate files.  The logic is diverging to much to
 	  try to retain common code (2013-4-03).
+	* net/net_clone.c:  Fix compilation error when socket options are
+	  are disabled. Reported by Daniel O'Connor (2013-4-05).
+	* configs/zkit-arm-1769/src/up_leds.c:  Fix a typo introduced into
+	  the button interrupt logic (2013-4-05).
+	* arch/arm/src/lpc17xx/lpc178x_gpio.c:  Re-design of the GPIO
+	  logic for the LPC178x family by Rommel Marcelo (2013-4-05).
+	* arch/arm/src/lpc17_gpiodbg.c:  Updated so that it correctly
+	  reports LPC177x/8x GPIO registers when GPIO debug is enabled
+	  (2013-4-05).
 

Kconfig

@@ -398,71 +398,99 @@ config DEBUG_LCD
 	default n
 	depends on LCD
 	---help---
-		Enable low level debug SYSLOG output from the LCD driver (disabled by default)
+		Enable low level debug SYSLOG output from the LCD driver (disabled
+		by default).  Support for this debug option is board-specific and
+		may not be available for some boards.
 
 config DEBUG_LEDS
 	bool "Enable Low-level LED Debug Output"
 	default n
 	depends on ARCH_HAVE_LEDS
 	---help---
-		Enable low level debug from board-specific LED logic
+		Enable low level debug from board-specific LED logic.  Support for
+		this debug option is board-specific and may not be available for
+		some boards.
 
 config DEBUG_INPUT
 	bool "Enable Input Device Debug Output"
 	default n
 	depends on INPUT
 	---help---
-		Enable low level debug SYSLOG output from the input device drivers such as
+		Enable low level debug SYSLOG output from the input device drivers
- 		mice and touchscreens (disabled by default)
+		such as mice and touchscreens (disabled by default).  Support for
+		this debug option is board-specific and may not be available for
+		some boards.
 
 config DEBUG_ANALOG
 	bool "Enable Analog Device Debug Output"
 	default n
 	---help---
-		Enable low level debug SYSLOG output from the analog device drivers such as
+		Enable low level debug SYSLOG output from the analog device drivers
- 		A/D and D/A converters (disabled by default)
+		such as A/D and D/A converters (disabled by default).  Support for
+		this debug option is architecgture-specific and may not be available
+		for some MCUs.
 
 config DEBUG_I2C
 	bool "Enable I2C Debug Output"
 	default n
 	depends on I2C
 	---help---
-		Enable I2C driver debug SYSLOG output (disabled by default)
+		Enable I2C driver debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
 
 config DEBUG_SPI
 	bool "Enable SPI Debug Output"
 	default n
 	depends on SPI
 	---help---
-		Enable I2C driver debug SYSLOG output (disabled by default)
+		Enable I2C driver debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
 
 config DEBUG_CAN
 	bool "Enable CAN Debug Output"
 	default n
 	depends on CAN
 	---help---
-		Enable CAN driver debug SYSLOG output (disabled by default)
+		Enable CAN driver debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
 
 config DEBUG_SDIO
 	bool "Enable SDIO Debug Output"
 	default n
 	depends on MMCSD_SDIO
 	---help---
-		Enable SDIO driver debug SYSLOG output (disabled by default)
+		Enable SDIO driver debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
+
+config DEBUG_GPIO
+	bool "Enable GPIO Debug Output"
+	default n
+	---help---
+		Enable GPIO-releated debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
 
 config DEBUG_DMA
 	bool "Enable DMA Debug Output"
 	default n
 	depends on ARCH_DMA
 	---help---
-		Enable DMA-releated debug SYSLOG output (disabled by default)
+		Enable DMA-releated debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
 
 config DEBUG_WATCHDOG
 	bool "Enable Watchdog Timer Debug Output"
 	default n
 	depends on WATCHDOG
 	---help---
-		Enable watchdog timer debug SYSLOG output (disabled by default)
+		Enable watchdog timer debug SYSLOG output (disabled by default).
+		Support for this debug option is architecgture-specific and may not
+		be available for some MCUs.
 
 endif
 

arch/arm/src/lpc17xx/lpc178x_gpio.h

@@ -195,12 +195,6 @@ extern "C"
 #define EXTERN extern
 #endif
 
-/* These tables have global scope only because they are shared between lpc17_gpio.c,
- * lpc17_gpioint.c, and lpc17_gpiodbg.c
- */
-
-EXTERN const uint32_t g_ioconport[GPIO_NPORTS];
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/

arch/arm/src/lpc17xx/lpc17_gpiodbg.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/arm/src/lpc17xx/lpc17_gpiodbg.c
  *
- *   Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2010-2011, 2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <sys/types.h>
 #include <stdint.h>
 #include <stdbool.h>
 #include <debug.h>
@@ -48,7 +49,6 @@
 #include "chip.h"
 #include "lpc17_gpio.h"
 
-
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -80,6 +80,7 @@
  *
  ****************************************************************************/
 
+#ifdef LPC176x
 static uint32_t lpc17_pinsel(unsigned int port, unsigned int pin)
 {
   if (pin < 16)
@@ -91,6 +92,7 @@ static uint32_t lpc17_pinsel(unsigned int port, unsigned int pin)
       return g_hipinsel[port];
     }
 }
+#endif /* LPC176x */
 
 /****************************************************************************
  * Name: lpc17_pinmode
@@ -101,6 +103,7 @@ static uint32_t lpc17_pinsel(unsigned int port, unsigned int pin)
  *
  ****************************************************************************/
 
+#ifdef LPC176x
 static uint32_t lpc17_pinmode(unsigned int port, unsigned int pin)
 {
   if (pin < 16)
@@ -112,6 +115,7 @@ static uint32_t lpc17_pinmode(unsigned int port, unsigned int pin)
       return g_hipinmode[port];
     }
 }
+#endif /* LPC176x */
 
 /****************************************************************************
  * Global Functions
@@ -125,12 +129,16 @@ static uint32_t lpc17_pinmode(unsigned int port, unsigned int pin)
  *
  ****************************************************************************/
 
-int lpc17_dumpgpio(uint16_t pinset, const char *msg)
+int lpc17_dumpgpio(lpc17_pinset_t pinset, const char *msg)
 {
   irqstate_t   flags;
   uint32_t     base;
+#if defined(LPC176x)
   uint32_t     pinsel;
   uint32_t     pinmode;
+#elif defined(LPC178x)
+  uint32_t     iocon;
+#endif /* LPC176x */
   unsigned int port;
   unsigned int pin;
 
@@ -138,19 +146,28 @@ int lpc17_dumpgpio(uint16_t pinset, const char *msg)
 
   port    = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
   pin     = (pinset & GPIO_PIN_MASK) >> GPIO_PIN_SHIFT;
+
+#if defined(LPC176x)
   pinsel  = lpc17_pinsel(port, pin);
   pinmode = lpc17_pinmode(port, pin);
+#elif defined(LPC178x)
+  iocon   = LPC17_IOCON_P(port, pin);
+#endif /* LPC176x */
 
   /* The following requires exclusive access to the GPIO registers */
 
   flags = irqsave();
-  lldbg("GPIO%c pinset: %08x -- %s\n",
+  lldbg("GPIO%c pin%d (pinset: %08x) -- %s\n",
-        port + '0', pinset, msg);
+        port + '0', pin, pinset, msg);
 
+#if defined(LPC176x)
   lldbg("  PINSEL[%08x]: %08x PINMODE[%08x]: %08x ODMODE[%08x]: %08x\n",
         pinsel,  pinsel  ? getreg32(pinsel) : 0,
         pinmode, pinmode ? getreg32(pinmode) : 0, 
         g_odmode[port],    getreg32(g_odmode[port]));
+#elif defined(LPC178x)
+  lldbg("  IOCON[%08x]:\n", getreg32(iocon));
+#endif
 
   base = g_fiobase[port];
   lldbg("  FIODIR[%08x]: %08x FIOMASK[%08x]: %08x FIOPIN[%08x]: %08x\n",