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nuttx/arch/arm/src/lpc17xx/lpc17_rtc.h
patacongo f176332691 Add GPIO library functions 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2730 42af7a65-404d-4744-a932-0658087f49c3
2010-06-06 15:10:19 +00:00

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/************************************************************************************
* arch/arm/src/lpc17xx/lpc17_rtc.h
*
* Copyright (C) 2010 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_ARM_SRC_LPC17XX_LPC17_RTC_H
#define __ARCH_ARM_SRC_LPC17XX_LPC17_RTC_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
#include "lpc17_memorymap.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Register offsets *****************************************************************/
/* Miscellaneous registers */
#define LPC17_RTC_ILR_OFFSET 0x0000 /* Interrupt Location Register */
#define LPC17_RTC_CCR_OFFSET 0x0008 /* Clock Control Register */
#define LPC17_RTC_CIIR_OFFSET 0x000c /* Counter Increment Interrupt Register */
#define LPC17_RTC_AMR_OFFSET 0x0010 /* Alarm Mask Register */
#define LPC17_RTC_AUXEN_OFFSET 0x0058 /* RTC Auxiliary Enable register */
#define LPC17_RTC_AUX_OFFSET 0x005c /* RTC Auxiliary control register */
/* Consolidated time registers */
#define LPC17_RTC_CTIME0_OFFSET 0x0014 /* Consolidated Time Register 0 */
#define LPC17_RTC_CTIME1_OFFSET 0x0018 /* Consolidated Time Register 1 */
#define LPC17_RTC_CTIME2_OFFSET 0x001c /* Consolidated Time Register 2 */
/* Time counter registers */
#define LPC17_RTC_SEC_OFFSET 0x0020 /* Seconds Counter */
#define LPC17_RTC_MIN_OFFSET 0x0024 /* Minutes Register */
#define LPC17_RTC_HOUR_OFFSET 0x0028 /* Hours Register */
#define LPC17_RTC_DOM_OFFSET 0x002c /* Day of Month Register */
#define LPC17_RTC_DOW_OFFSET 0x0030 /* Day of Week Register */
#define LPC17_RTC_DOY_OFFSET 0x0034 /* Day of Year Register */
#define LPC17_RTC_MONTH_OFFSET 0x0038 /* Months Register */
#define LPC17_RTC_YEAR_OFFSET 0x003c /* Years Register */
#define LPC17_RTC_CALIB_OFFSET 0x0040 /* Calibration Value Register */
/* General purpose registers */
#define LPC17_RTC_GPREG0_OFFSET 0x0044 /* General Purpose Register 0 */
#define LPC17_RTC_GPREG1_OFFSET 0x0048 /* General Purpose Register 1 */
#define LPC17_RTC_GPREG2_OFFSET 0x004c /* General Purpose Register 2 */
#define LPC17_RTC_GPREG3_OFFSET 0x0050 /* General Purpose Register 3 */
#define LPC17_RTC_GPREG4_OFFSET 0x0054 /* General Purpose Register 4 */
/* Alarm register group */
#define LPC17_RTC_ALSEC_OFFSET 0x0060 /* Alarm value for Seconds */
#define LPC17_RTC_ALMIN_OFFSET 0x0064 /* Alarm value for Minutes */
#define LPC17_RTC_ALHOUR_OFFSET 0x0068 /* Alarm value for Hours */
#define LPC17_RTC_ALDOM_OFFSET 0x006c /* Alarm value for Day of Month */
#define LPC17_RTC_ALDOW_OFFSET 0x0070 /* Alarm value for Day of Week */
#define LPC17_RTC_ALDOY_OFFSET 0x0074 /* Alarm value for Day of Year */
#define LPC17_RTC_ALMON_OFFSET 0x0078 /* Alarm value for Months */
#define LPC17_RTC_ALYEAR_OFFSET 0x007c /* Alarm value for Year */
/* Register addresses ***************************************************************/
/* Miscellaneous registers */
#define LPC17_RTC_ILR (LPC17_RTC_BASE+LPC17_RTC_ILR_OFFSET)
#define LPC17_RTC_CCR (LPC17_RTC_BASE+LPC17_RTC_CCR_OFFSET)
#define LPC17_RTC_CIIR (LPC17_RTC_BASE+LPC17_RTC_CIIR_OFFSET)
#define LPC17_RTC_AMR (LPC17_RTC_BASE+LPC17_RTC_AMR_OFFSET)
#define LPC17_RTC_AUXEN (LPC17_RTC_BASE+LPC17_RTC_AUXEN_OFFSET)
#define LPC17_RTC_AUX (LPC17_RTC_BASE+LPC17_RTC_AUX_OFFSET)
/* Consolidated time registers */
#define LPC17_RTC_CTIME0 (LPC17_RTC_BASE+LPC17_RTC_CTIME0_OFFSET)
#define LPC17_RTC_CTIME1 (LPC17_RTC_BASE+LPC17_RTC_CTIME1_OFFSET)
#define LPC17_RTC_CTIME2 (LPC17_RTC_BASE+LPC17_RTC_CTIME2_OFFSET)
/* Time counter registers */
#define LPC17_RTC_SEC (LPC17_RTC_BASE+LPC17_RTC_SEC_OFFSET)
#define LPC17_RTC_MIN (LPC17_RTC_BASE+LPC17_RTC_MIN_OFFSET)
#define LPC17_RTC_HOUR (LPC17_RTC_BASE+LPC17_RTC_HOUR_OFFSET)
#define LPC17_RTC_DOM (LPC17_RTC_BASE+LPC17_RTC_DOM_OFFSET)
#define LPC17_RTC_DOW (LPC17_RTC_BASE+LPC17_RTC_DOW_OFFSET)
#define LPC17_RTC_DOY (LPC17_RTC_BASE+LPC17_RTC_DOY_OFFSET)
#define LPC17_RTC_MONTH (LPC17_RTC_BASE+LPC17_RTC_MONTH_OFFSET)
#define LPC17_RTC_YEAR (LPC17_RTC_BASE+LPC17_RTC_YEAR_OFFSET)
#define LPC17_RTC_CALIB (LPC17_RTC_BASE+LPC17_RTC_CALIB_OFFSET)
/* General purpose registers */
#define LPC17_RTC_GPREG0 (LPC17_RTC_BASE+LPC17_RTC_GPREG0_OFFSET)
#define LPC17_RTC_GPREG1 (LPC17_RTC_BASE+LPC17_RTC_GPREG1_OFFSET)
#define LPC17_RTC_GPREG2 (LPC17_RTC_BASE+LPC17_RTC_GPREG2_OFFSET)
#define LPC17_RTC_GPREG3 (LPC17_RTC_BASE+LPC17_RTC_GPREG3_OFFSET)
#define LPC17_RTC_GPREG4 (LPC17_RTC_BASE+LPC17_RTC_GPREG4_OFFSET)
/* Alarm register group */
#define LPC17_RTC_ALSEC (LPC17_RTC_BASE+LPC17_RTC_ALSEC_OFFSET)
#define LPC17_RTC_ALMIN (LPC17_RTC_BASE+LPC17_RTC_ALMIN_OFFSET)
#define LPC17_RTC_ALHOUR (LPC17_RTC_BASE+LPC17_RTC_ALHOUR_OFFSET)
#define LPC17_RTC_ALDOM (LPC17_RTC_BASE+LPC17_RTC_ALDOM_OFFSET)
#define LPC17_RTC_ALDOW (LPC17_RTC_BASE+LPC17_RTC_ALDOW_OFFSET)
#define LPC17_RTC_ALDOY (LPC17_RTC_BASE+LPC17_RTC_ALDOY_OFFSET)
#define LPC17_RTC_ALMON (LPC17_RTC_BASE+LPC17_RTC_ALMON_OFFSET)
#define LPC17_RTC_ALYEAR (LPC17_RTC_BASE+LPC17_RTC_ALYEAR_OFFSET)
/* Register bit definitions *********************************************************/
/* The following registers hold 32-bit values and have no bit fields to be defined:
*
* General Purpose Register 0
* General Purpose Register 1
* General Purpose Register 2
* General Purpose Register 3
* General Purpose Register 4
*/
/* Miscellaneous registers */
/* Interrupt Location Register */
#define RTC_ILR_RTCCIF (1 << 0) /* Bit 0: Counter Increment Interrupt */
#define RTC_ILR_RTCALF (1 << 1) /* Bit 1: Alarm interrupt */
/* Bits 2-31: Reserved */
/* Clock Control Register */
#define RTC_CCR_CLKEN (1 << 0) /* Bit 0: Clock Enable */
#define RTC_CCR_CTCRST (1 << 1) /* Bit 1: CTC Reset */
/* Bits 2-3: Internal test mode controls */
#define RTC_CCR_CCALEN (1 << 4) /* Bit 4: Calibration counter enable */
/* Bits 5-31: Reserved */
/* Counter Increment Interrupt Register */
#define RTC_CIIR_IMSEC (1 << 0) /* Bit 0: Second interrupt */
#define RTC_CIIR_IMMIN (1 << 1) /* Bit 1: Minute interrupt */
#define RTC_CIIR_IMHOUR (1 << 2) /* Bit 2: Hour interrupt */
#define RTC_CIIR_IMDOM (1 << 3) /* Bit 3: Day of Month value interrupt */
#define RTC_CIIR_IMDOW (1 << 4) /* Bit 4: Day of Week value interrupt */
#define RTC_CIIR_IMDOY (1 << 5) /* Bit 5: Day of Year interrupt */
#define RTC_CIIR_IMMON (1 << 6) /* Bit 6: Month interrupt */
#define RTC_CIIR_IMYEAR (1 << 7) /* Bit 7: Yearinterrupt */
/* Bits 8-31: Reserved */
/* Alarm Mask Register */
#define RTC_AMR_SEC (1 << 0) /* Bit 0: Second not compared for alarm */
#define RTC_AMR_MIN (1 << 1) /* Bit 1: Minutes not compared for alarm */
#define RTC_AMR_HOUR (1 << 2) /* Bit 2: Hour not compared for alarm */
#define RTC_AMR_DOM (1 << 3) /* Bit 3: Day of Monthnot compared for alarm */
#define RTC_AMR_DOW (1 << 4) /* Bit 4: Day of Week not compared for alarm */
#define RTC_AMR_DOY (1 << 5) /* Bit 5: Day of Year not compared for alarm */
#define RTC_AMR_MON (1 << 6) /* Bit 6: Month not compared for alarm */
#define RTC_AMR_YEAR (1 << 7) /* Bit 7: Year not compared for alarm */
/* Bits 8-31: Reserved */
/* RTC Auxiliary Enable register */
/* Bits 0-3: Reserved */
#define RTC_AUXEN_RTCOSCF (1 << 4) /* Bit 4: RTC Oscillator Fail detect flag */
/* Bits 5-31: Reserved */
/* RTC Auxiliary control register */
/* Bits 0-3: Reserved */
#define RTC_AUX_OSCFEN (1 << 4) /* Bit 4: Oscillator Fail Detect interrupt enable */
/* Bits 5-31: Reserved */
/* Consolidated time registers */
/* Consolidated Time Register 0 */
#define RTC_CTIME0_SEC_SHIFT (0) /* Bits 0-5: Seconds */
#define RTC_CTIME0_SEC_MASK (63 << RTC_CTIME0_SEC_SHIFT)
/* Bits 6-7: Reserved */
#define RTC_CTIME0_MIN_SHIFT (8) /* Bits 8-13: Minutes */
#define RTC_CTIME0_MIN_MASK (63 << RTC_CTIME0_MIN_SHIFT)
/* Bits 14-15: Reserved */
#define RTC_CTIME0_HOURS_SHIFT (16) /* Bits 16-20: Hours */
#define RTC_CTIME0_HOURS_MASK (31 << RTC_CTIME0_HOURS_SHIFT)
/* Bits 21-23: Reserved */
#define RTC_CTIME0_DOW_SHIFT (24) /* Bits 24-26: Day of Week */
#define RTC_CTIME0_DOW_MASK (7 << RTC_CTIME0_DOW_SHIFT)
/* Bits 27-31: Reserved */
/* Consolidated Time Register 1 */
#define RTC_CTIME1_DOM_SHIFT (0) /* Bits 0-4: Day of Month */
#define RTC_CTIME1_DOM_MASK (31 << RTC_CTIME1_DOM_SHIFT)
/* Bits 5-7: Reserved */
#define RTC_CTIME1_MON_SHIFT (8) /* Bits 8-11: Month */
#define RTC_CTIME1_MON_MASK (15 << RTC_CTIME1_MON_SHIFT)
/* Bits 12-15: Reserved */
#define RTC_CTIME1_YEAR_SHIFT (16) /* Bits 16-27: Year */
#define RTC_CTIME1_YEAR_MASK (0x0fff << RTC_CTIME1_YEAR_SHIFT)
/* Bits 28-31: Reserved */
/* Consolidated Time Register 2 (Shouldn't DOY width be 9 bits?) */
#define RTC_CTIME2_DOY_SHIFT (0) /* Bits 0-11: Day of Year */
#define RTC_CTIME2_DOY_MASK (0x0fff << RTC_CTIME2_DOY_SHIFT)
/* Bits 12-31: Reserved */
/* Time counter registers */
#define RTC_SEC_MASK (0x003f)
#define RTC_MIN_MASK (0x003f)
#define RTC_HOUR_MASK (0x001f)
#define RTC_DOM_MASK (0x001f)
#define RTC_DOW_MASK (0x0007)
#define RTC_DOY_MASK (0x01ff)
#define RTC_MONTH_MASK (0x000f)
#define RTC_YEAR_MASK (0x0fff)
/* Calibration Value Register */
#define RTC_CALIB_CALVAL_SHIFT (0) /* Bits 0-16: calibration counter counts to this value */
#define RTC_CALIB_CALVAL_MASK (0xffff << RTC_CALIB_CALVAL_SHIFT)
#define RTC_CALIB_CALDIR (1 << 17) /* Bit 17: Calibration direction */
/* Bits 12-31: Reserved */
/* Alarm register group */
#define RTC_ALSEC_MASK (0x003f)
#define RTC_ALMIN_MASK (0x003f)
#define RTC_ALHOUR_MASK (0x001f)
#define RTC_ALDOM_MASK (0x001f)
#define RTC_ALDOW_MASK (0x0007)
#define RTC_ALDOY_MASK (0x01ff)
#define RTC_ALMON_MASK (0x000f)
#define RTC_ALYEAR_MASK (0x0fff)
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_RTC_H */
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