incubator-nuttx/drivers/timers/mcp794xx.h

76 lines
3.1 KiB
C

/****************************************************************************
* drivers/timers/mcp794xx.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_TIMERS_MCP794XX_H
#define __DRIVERS_TIMERS_MCP794XX_H
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define MCP794XX_REG_RTCSEC 0x00 /* Seconds register. */
# define MCP794XX_RTCSEC_10SEC (7 << 4)
# define MCP794XX_RTCSEC_ST (1 << 7)
# define MCP794XX_RTCSEC_BCDMASK 0x7F
#define MCP794XX_REG_RTCMIN 0x01 /* Minutes register. */
# define MCP794XX_RTCMIN_10MIN (7 << 4)
# define MCP794XX_RTCMIN_BCDMASK 0x7F
#define MCP794XX_REG_RTCHOUR 0x02 /* Hours register. */
# define MCP794XX_RTCHOUR_10HOUR (3 << 4)
# define MCP794XX_RTCHOUR_AMPM (1 << 5)
# define MCP794XX_RTCHOUR_1224 (1 << 6)
# define MCP794XX_RTCHOUR_BCDMASK 0x3F
#define MCP794XX_REG_RTCWKDAY 0x03 /* Day register. */
# define MCP794XX_RTCWKDAY_VBATEN (1 << 3)
# define MCP794XX_RTCWKDAY_PWRFAIL (1 << 4)
# define MCP794XX_RTCWKDAY_OSCRUN (1 << 5)
# define MCP794XX_RTCWKDAY_BCDMASK 0x07
#define MCP794XX_REG_RTCDATE 0x04 /* Date register. */
# define MCP794XX_RTCDATE_10DATE (3 << 4)
# define MCP794XX_RTCDATE_BCDMASK 0x3F
#define MCP794XX_REG_RTCMTH 0x05 /* Month register. */
# define MCP794XX_RTCMTH_10MONTH (1 << 4)
# define MCP794XX_RTCMTH_LPYR (1 << 5)
# define MCP794XX_RTCMTH_BCDMASK 0x1F
#define MCP794XX_REG_RTCYEAR 0x06 /* Year register. */
# define MCP794XX_RTCYEAR_10YEAR (15 << 4)
# define MCP794XX_RTCYEAR_BCDMASK 0xFF
#define MCP794XX_REG_CONTROL 0x07 /* Control register. */
# define MCP794XX_CONTROL_SQWFS0 (1 << 0)
# define MCP794XX_CONTROL_SQWFS1 (1 << 1)
# define MCP794XX_CONTROL_CRSTRIM (1 << 2)
# define MCP794XX_CONTROL_EXTOSC (1 << 3)
# define MCP794XX_CONTROL_ALM0EN (1 << 4)
# define MCP794XX_CONTROL_ALM1EN (1 << 5)
# define MCP794XX_CONTROL_SQWEN (1 << 6)
# define MCP794XX_CONTROL_OUT (1 << 7)
#define MCP794XX_REG_OSCTRIM 0x08 /* Calibration register. */
# define MCP794XX_OSCTRIM_SIGN (1 << 7)
#endif /* __DRIVERS_TIMERS_MCP794XX_H */