Finish m9s12 GPIO support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3318 42af7a65-404d-4744-a932-0658087f49c3

configs/demo9s12ne64/README.txt

@@ -315,6 +315,13 @@ HCS12/DEMO9S12NEC64-specific Configuration Options
 	   the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
 	   the delay actually is 100 seconds.
 
+  GPIO Interrupts
+  
+    CONFIG_GPIO_IRQ - Enable general support for GPIO IRQs
+    CONFIG_HCS12_PORTG_INTS - Enable PortG IRQs
+    CONFIG_HCS12_PORTH_INTS - Enable PortH IRQs
+    CONFIG_HCS12_PORTJ_INTS - Enable PortJ IRQs
+   
   HCS12 build options:
 
 	CONFIG_HCS12_SERIALMON - Indicates that the target systems uses

configs/ne64badge/README.txt

@@ -422,6 +422,13 @@ HCS12/NE64BADGE-specific Configuration Options
 	   the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
 	   the delay actually is 100 seconds.
 
+  GPIO Interrupts
+  
+    CONFIG_GPIO_IRQ - Enable general support for GPIO IRQs
+    CONFIG_HCS12_PORTG_INTS - Enable PortG IRQs
+    CONFIG_HCS12_PORTH_INTS - Enable PortH IRQs
+    CONFIG_HCS12_PORTJ_INTS - Enable PortJ IRQs
+   
   HCS12 build options:
 
 	CONFIG_HCS12_SERIALMON - Indicates that the target systems uses

configs/ne64badge/include/board.h

@@ -79,17 +79,25 @@
 
 /* The NE64 Badge board has 2 red LEDs that we will encode as: */
 
-#define LED_STARTED       1  /* LED1 */
+                             /* LED1 LED2 */
-#define LED_HEAPALLOCATE  1  /* LED1 */
+#define LED_STARTED       0  /*  OFF  OFF = Still initializing */
-#define LED_IRQSENABLED   1  /* LED1 */
+#define LED_HEAPALLOCATE  0  /*  OFF  OFF = Still initializing */
-#define LED_STACKCREATED  1  /* LED1 */
+#define LED_IRQSENABLED   0  /*  OFF  OFF = Still initializing */
-#define LED_INIRQ         2  /* LED1 + LED2 */
+#define LED_STACKCREATED  1  /*  ON   OFF = Initialization complete */
-#define LED_SIGNAL        2  /* LED1 + LED2 */
+#define LED_INIRQ         2  /*  NC   ON  = In an interrupt handler */
-#define LED_ASSERTION     2  /* LED1 + LED2 */
+#define LED_SIGNAL        2  /*  NC   ON  = In a signal handler */
-#define LED_PANIC         7  /* LED2 + N/C  */
+#define LED_ASSERTION     2  /*  NC   ON  = In an assertion */
+#define LED_PANIC         2  /*  NC   ON  = Oops! We crashed. (flashing) */
 
 /* Button definitions ***************************************************************/
 
+/* The NE64 badge has 2 switches, one labed SW1 and the other SW2 on the board (but
+ * referred to as button1 and button2 in some documentation)
+ */
+
+#define BUTTON1           1 /* Bit 0: SW1 button is depressed */
+#define BUTTON2           2 /* Bit 1: SW2 button is depressed */
+
 /************************************************************************************
  * Public Data
  ************************************************************************************/

configs/ne64badge/ostest/defconfig

@@ -93,6 +93,17 @@ CONFIG_ARCH_BUTTONS=n
 CONFIG_ARCH_CALIBRATION=n
 CONFIG_ARCH_DMA=n
 
+# 
+# CONFIG_GPIO_IRQ - Enable general support for GPIO IRQs
+# CONFIG_HCS12_PORTG_INTS - Enable PortG IRQs
+# CONFIG_HCS12_PORTH_INTS - Enable PortH IRQs
+# CONFIG_HCS12_PORTJ_INTS - Enable PortJ IRQs
+#
+CONFIG_GPIO_IRQ=n
+CONFIG_HCS12_PORTG_INTS=n
+CONFIG_HCS12_PORTH_INTS=n
+CONFIG_HCS12_PORTJ_INTS=n
+
 #
 # HCS12 build options:
 #

configs/ne64badge/src/ne64badge_internal.h

@@ -44,6 +44,8 @@
 #include <nuttx/config.h>
 #include <nuttx/compiler.h>
 
+#include "m9s12_internal.h"
+
 /************************************************************************************
  * Definitions
  ************************************************************************************/
@@ -93,8 +95,11 @@
  *  40 PE5/IPIPE0/MODA     J3 MODA        " " "  " "" "   "
  *  39 PE6/IPIPE1/MODB     J3 MODB        " " "  " "" "   "
  *  38 PE7/NOACC/XCLKS_B   pulled low     pulled low
- * 
+ */
- *  97 PK0/XADR14          N/C            N/C
+
+#define NE64BADGE_BUTTON1 (GPIO_INPUT | GPIO_PULLUP | GPIO_PORT_E | GPIO_PIN_0)
+
+/*  97 PK0/XADR14          N/C            N/C
  *  98 PK1/XADR15          N/C            N/C
  *  99 PK2/XADR16          N/C            N/C
  * 100 PK3/XADR17          N/C            N/C
@@ -135,15 +140,22 @@
  *   3 PH4/TXCLK/KWH4      BUTTON2        SW2
  *   2 PH5/TXDV/KWH5       J5 XBEE_LOAD_H Not used on board
  *   1 PH6/TXER/KWH6       J4 XBEE_LOAD_L Not used on board
- * 
+ */
- *   8 PJ0/MDC/KWJ0        LED1           D21, red
+
+#define NE64BADGE_BUTTON2 (GPIO_INPUT | GPIO_PULLUP | GPIO_PORT_H | GPIO_PIN_4)
+ 
+/*   8 PJ0/MDC/KWJ0        LED1           D21, red
  *   9 PJ1/MDIO/KWJ1       LED2           D22, red
  *  20 PJ2/CRS/KWJ2        J3 SPI_CS      Not used on board
  *  21 PJ3/COL/KWJ3        N/C
  * 112 PJ6/SDA/KWJ6        J3 I2C_DATA    Not used on board
  * 111 PJ7/SCL/KWJ7        J3 I2C_CLOCK   " " "  " "" "   "
- * 
+ */
- *  51 PL6/TXER/KWL6       N/C            N/C
+
+#define NE64BADGE_LED1 (GPIO_OUTPUT | GPIO_OUTPUT_HIGH | GPIO_PORT_J | GPIO_PIN_0)
+#define NE64BADGE_LED2 (GPIO_OUTPUT | GPIO_OUTPUT_HIGH | GPIO_PORT_J | GPIO_PIN_1)
+
+/*  51 PL6/TXER/KWL6       N/C            N/C
  *  52 PL5/TXDV/KWL5       N/C            N/C
  *  58 PL4/COLLED          Collision LED  red
  *  59 PL3/DUPLED          Full Duplex LED yellow

configs/ne64badge/src/up_buttons.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/ne64badge/src/up_leds.c
+ * configs/ne64badge/src/up_buttons.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -50,6 +50,34 @@
  * Definitions
  ****************************************************************************/
 
+/* Enables debug output from this file (needs CONFIG_DEBUG with
+ * CONFIG_DEBUG_VERBOSE too)
+ */
+
+#undef BUTTON_DEBUG   /* Define to enable debug */
+#undef BUTTON_VERBOSE /* Define to enable verbose debug */
+
+#ifdef BUTTON_DEBUG
+#  define btndbg  lldbg
+#  ifdef BUTTON_VERBOSE
+#    define btnvdbg lldbg
+#  else
+#    define btnvdbg(x...)
+#  endif
+#else
+#  undef BUTTON_VERBOSE
+#  define btndbg(x...)
+#  define btnvdbg(x...)
+#endif
+
+/* Dump GPIO registers */
+
+#ifdef BUTTON_VERBOSE
+#  define btn_dumpgpio(m) m9s12_dumpgpio(m)
+#else
+#  define btn_dumpgpio(m)
+#endif
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -68,6 +96,14 @@
 
 void up_buttoninit(void)
 {
+  /* Configure all button GPIO lines */
+
+  btn_dumpgpio("up_buttoninit() Entry)");
+
+  hcs12_configgpio(NE64BADGE_BUTTON1);
+  hcs12_configgpio(NE64BADGE_BUTTON2);
+
+  btn_dumpgpio("up_buttoninit() Exit");
 }
 
 /****************************************************************************
@@ -76,7 +112,19 @@ void up_buttoninit(void)
 
 uint8_t up_buttons(void)
 {
-  return 0;
+  uint8_t ret    = 0;
+
+  if (hcs12_gpioread(NE64BADGE_BUTTON1))
+    {
+      ret |= BUTTON1;
+    }
+
+  if (hcs12_gpioread(NE64BADGE_BUTTON2))
+    {
+      ret |= BUTTON2;
+    }
+
+  return ret;
 }
 
 #endif /* CONFIG_ARCH_BUTTONS */

configs/ne64badge/src/up_leds.c

@@ -46,6 +46,8 @@
 
 #include "ne64badge_internal.h"
 
+#ifdef CONFIG_ARCH_LEDS
+
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -55,15 +57,29 @@
  */
 
 #undef LED_DEBUG   /* Define to enable debug */
+#undef LED_VERBOSE /* Define to enable verbose debug */
 
 #ifdef LED_DEBUG
 #  define leddbg  lldbg
-#  define ledvdbg llvdbg
+#  ifdef LED_VERBOSE
+#    define ledvdbg lldbg
 #  else
+#    define ledvdbg(x...)
+#  endif
+#else
+#  undef LED_VERBOSE
 #  define leddbg(x...)
 #  define ledvdbg(x...)
 #endif
 
+/* Dump GPIO registers */
+
+#ifdef LED_VERBOSE
+#  define led_dumpgpio(m) m9s12_dumpgpio(m)
+#else
+#  define led_dumpgpio(m)
+#endif
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -84,9 +100,16 @@
  *
  ****************************************************************************/
 
-#ifdef CONFIG_ARCH_LEDS
 void up_ledinit(void)
 {
+  /* Configure all LED GPIO lines */
+
+  led_dumpgpio("up_ledinit() Entry)");
+
+  hcs12_configgpio(NE64BADGE_LED1);
+  hcs12_configgpio(NE64BADGE_LED2);
+
+  led_dumpgpio("up_ledinit() Exit");
 }
 
 /****************************************************************************
@@ -95,6 +118,23 @@ void up_ledinit(void)
 
 void up_ledon(int led)
 {
+  switch (led)
+    {
+       default:
+       case 0 : /* STARTED, HEAPALLOCATE, IRQSENABLED */
+        hcs12_gpiowrite(NE64BADGE_LED1, true);
+        hcs12_gpiowrite(NE64BADGE_LED2, true);
+        break;
+
+       case 1 : /* STACKCREATED */
+        hcs12_gpiowrite(NE64BADGE_LED1, false);
+        hcs12_gpiowrite(NE64BADGE_LED2, true);
+        break;
+
+       case 2 : /* INIRQ, SIGNAL, ASSERTION, PANIC */
+        hcs12_gpiowrite(NE64BADGE_LED2, false);
+        break;
+    }
 }
 
 /****************************************************************************
@@ -103,6 +143,16 @@ void up_ledon(int led)
 
 void up_ledoff(int led)
 {
+  switch (led)
+    {
+       default:
+       case 0 : /* STARTED, HEAPALLOCATE, IRQSENABLED */
+       case 1 : /* STACKCREATED */
+        hcs12_gpiowrite(NE64BADGE_LED1, true);
+       case 2 : /* INIRQ, SIGNAL, ASSERTION, PANIC */
+        hcs12_gpiowrite(NE64BADGE_LED2, true);
+        break;
+    }
 }
 
 #endif /* CONFIG_ARCH_LEDS */

configs/stm3210e-eval/src/up_buttons.c

@@ -1,7 +1,7 @@
 /****************************************************************************
- * configs/stm3210e-eval/src/up_leds.c
+ * configs/stm3210e-eval/src/up_buttons.c
  *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without