Add PIC32 WDT header file

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3592 42af7a65-404d-4744-a932-0658087f49c3

arch/mips/src/pic32mx/pic32mx-devcfg.h

@@ -160,16 +160,16 @@
 #  define DEVCFG1_FCKSM_NONE      (2 << DEVCFG1_FCKSM_SHIFT) /* Clock switching and FSCM are disabled */
 #define DEVCFG1_WDTPS_SHIFT       (16)      /* Bits 16-20: WDT postscaler select */
 #define DEVCFG1_WDTPS_MASK        (31 << DEVCFG1_WDTPS_SHIFT)
-#  define DEVCFG1_WDTPS_1         (0 << DEVCFG1_WDTPS_SHIFT) /* 1:1 */
-#  define DEVCFG1_WDTPS_2         (1 << DEVCFG1_WDTPS_SHIFT) /* 1:2 */
-#  define DEVCFG1_WDTPS_4         (2 << DEVCFG1_WDTPS_SHIFT) /* 1:4 */
-#  define DEVCFG1_WDTPS_8         (3 << DEVCFG1_WDTPS_SHIFT) /* 1:8 */
-#  define DEVCFG1_WDTPS_16        (4 << DEVCFG1_WDTPS_SHIFT) /* 1:16 */
-#  define DEVCFG1_WDTPS_32        (5 << DEVCFG1_WDTPS_SHIFT) /* 1:32 */
-#  define DEVCFG1_WDTPS_64        (6 << DEVCFG1_WDTPS_SHIFT) /* 1:64 */
-#  define DEVCFG1_WDTPS_128       (7 << DEVCFG1_WDTPS_SHIFT) /* 1:128 */
-#  define DEVCFG1_WDTPS_256       (8 << DEVCFG1_WDTPS_SHIFT) /* 1:256 */
-#  define DEVCFG1_WDTPS_512       (9 << DEVCFG1_WDTPS_SHIFT) /* 1:512 */
+#  define DEVCFG1_WDTPS_1         (0 << DEVCFG1_WDTPS_SHIFT)  /* 1:1 */
+#  define DEVCFG1_WDTPS_2         (1 << DEVCFG1_WDTPS_SHIFT)  /* 1:2 */
+#  define DEVCFG1_WDTPS_4         (2 << DEVCFG1_WDTPS_SHIFT)  /* 1:4 */
+#  define DEVCFG1_WDTPS_8         (3 << DEVCFG1_WDTPS_SHIFT)  /* 1:8 */
+#  define DEVCFG1_WDTPS_16        (4 << DEVCFG1_WDTPS_SHIFT)  /* 1:16 */
+#  define DEVCFG1_WDTPS_32        (5 << DEVCFG1_WDTPS_SHIFT)  /* 1:32 */
+#  define DEVCFG1_WDTPS_64        (6 << DEVCFG1_WDTPS_SHIFT)  /* 1:64 */
+#  define DEVCFG1_WDTPS_128       (7 << DEVCFG1_WDTPS_SHIFT)  /* 1:128 */
+#  define DEVCFG1_WDTPS_256       (8 << DEVCFG1_WDTPS_SHIFT)  /* 1:256 */
+#  define DEVCFG1_WDTPS_512       (9 << DEVCFG1_WDTPS_SHIFT)  /* 1:512 */
 #  define DEVCFG1_WDTPS_1024      (10 << DEVCFG1_WDTPS_SHIFT) /* 1:1024 */
 #  define DEVCFG1_WDTPS_2048      (11 << DEVCFG1_WDTPS_SHIFT) /* 1:2048 */
 #  define DEVCFG1_WDTPS_4096      (12 << DEVCFG1_WDTPS_SHIFT) /* 1:4096 */

arch/mips/src/pic32mx/pic32mx-wdt.h

+/****************************************************************************
+ * arch/mips/src/pic32mx/pic32mx-wdt.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_MIPS_SRC_PIC32MX_PIC32MX_WDT_H
+#define __ARCH_MIPS_SRC_PIC32MX_PIC32MX_WDT_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "pic32mx-memorymap.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+/* Register Offsets *********************************************************/
+
+#define PIC32MX_WDT_CON_OFFSET   0x0000 /* Watchdog timer control register */
+
+/* See also the WDTO, SLEEP, and IDLE bits in the resets RCON register */
+
+/* Register Addresses *******************************************************/
+
+#define PIC32MX_WDT_CON          (PIC32MX_WDT_K1BASE+PIC32MX_WDT_CON_OFFSET)
+
+/* Register Bit-Field Definitions *******************************************/
+
+/* Watchdog timer control register */
+
+#define WDT_CON_WDTCLR           (1 << 0)  /* Bit 0:  Watchdog timer reset */
+#define WDT_CON_SWDTPS_SHIFT     (2)       /* Bits 2-6: WDT postscaler value from DEVCFG1 */
+#define WDT_CON_SWDTPS_MASK      (31 << WDT_CON_SWDTPS_SHIFT)
+#  define WDT_CON_SWDTPS_1       (0 << WDT_CON_SWDTPS_SHIFT)  /* 1:1 */
+#  define WDT_CON_SWDTPS_2       (1 << WDT_CON_SWDTPS_SHIFT)  /* 1:2 */
+#  define WDT_CON_SWDTPS_4       (2 << WDT_CON_SWDTPS_SHIFT)  /* 1:4 */
+#  define WDT_CON_SWDTPS_8       (3 << WDT_CON_SWDTPS_SHIFT)  /* 1:8 */
+#  define WDT_CON_SWDTPS_16      (4 << WDT_CON_SWDTPS_SHIFT)  /* 1:16 */
+#  define WDT_CON_SWDTPS_32      (5 << WDT_CON_SWDTPS_SHIFT)  /* 1:32 */
+#  define WDT_CON_SWDTPS_64      (6 << WDT_CON_SWDTPS_SHIFT)  /* 1:64 */
+#  define WDT_CON_SWDTPS_128     (7 << WDT_CON_SWDTPS_SHIFT)  /* 1:128 */
+#  define WDT_CON_SWDTPS_256     (8 << WDT_CON_SWDTPS_SHIFT)  /* 1:256 */
+#  define WDT_CON_SWDTPS_512     (9 << WDT_CON_SWDTPS_SHIFT)  /* 1:512 */
+#  define WDT_CON_SWDTPS_1024    (10 << WDT_CON_SWDTPS_SHIFT) /* 1:1024 */
+#  define WDT_CON_SWDTPS_2048    (11 << WDT_CON_SWDTPS_SHIFT) /* 1:2048 */
+#  define WDT_CON_SWDTPS_4096    (12 << WDT_CON_SWDTPS_SHIFT) /* 1:4096 */
+#  define WDT_CON_SWDTPS_8192    (13 << WDT_CON_SWDTPS_SHIFT) /* 1:8192 */
+#  define WDT_CON_SWDTPS_16384   (14 << WDT_CON_SWDTPS_SHIFT) /* 1:16384 */
+#  define WDT_CON_SWDTPS_32768   (15 << WDT_CON_SWDTPS_SHIFT) /* 1:32768 */
+#  define WDT_CON_SWDTPS_65536   (16 << WDT_CON_SWDTPS_SHIFT) /* 1:65536 */
+#  define WDT_CON_SWDTPS_131072  (17 << WDT_CON_SWDTPS_SHIFT) /* 1:131072 */
+#  define WDT_CON_SWDTPS_262144  (18 << WDT_CON_SWDTPS_SHIFT) /* 1:262144 */
+#  define WDT_CON_SWDTPS_524288  (19 << WDT_CON_SWDTPS_SHIFT) /* 1:524288 */
+#  define WDT_CON_SWDTPS_1048576 (20 << WDT_CON_SWDTPS_SHIFT) /* 1:1048576 */
+#define WDT_CON_ON               (1 << 15  /* Bit 15: Watchdog timer enable */
+ 
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __ARCH_MIPS_SRC_PIC32MX_PIC32MX_WDT_H */