/**************************************************************************** * drivers/timers/mcp794xx.h * * Copyright (C) 2019 Abdelatif Guettouche. All rights reserved. * Author: 2019 Abdelatif Guettouche * * This file is a part of NuttX: * * Copyright (C) 2019 Gregory Nutt. All rights reserved. * * 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 __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 */