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105 lines
4.0 KiB
C
105 lines
4.0 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#define MMA7660_DEFAULT_I2C_BUS 0
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#define MMA7660_DEFAULT_I2C_ADDR 0x4c
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#ifdef __cplusplus
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extern "C" {
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#endif
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// MMA7660 registers
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typedef enum {
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MMA7660_REG_XOUT = 0x00,
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MMA7660_REG_YOUT = 0x01,
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MMA7660_REG_ZOUT = 0x02,
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MMA7660_REG_TILT = 0x03,
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MMA7660_REG_SRST = 0x04, // Sampling Rate Status
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MMA7660_REG_SPCNT = 0x05, // sleep count
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MMA7660_REG_INTSU = 0x06, // Interrupt setup
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MMA7660_REG_MODE = 0x07, // operating mode
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MMA7660_REG_SR = 0x08, // auto-wake/sleep, SPS, and debounce
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MMA7660_REG_PDET = 0x09, // tap detection
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MMA7660_REG_PD = 0x0a // tap debounce count
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// 0x0b-0x1f reserved
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} MMA7660_REG_T;
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// interrupt enable register bits
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typedef enum {
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MMA7660_INTR_NONE = 0x00, // disabled
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MMA7660_INTR_FBINT = 0x01, // front/back
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MMA7660_INTR_PLINT = 0x02, // up/down/right/left
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MMA7660_INTR_PDINT = 0x04, // tap detection
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MMA7660_INTR_ASINT = 0x08, // exit auto-sleep
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MMA7660_INTR_GINT = 0x10, // measurement intr
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MMA7660_INTR_SHINTZ = 0x20, // shake on Z
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MMA7660_INTR_SHINTY = 0x40, // shake on Y
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MMA7660_INTR_SHINTX = 0x80 // shake on X
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} MMA7660_INTR_T;
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// operating mode register bits
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typedef enum {
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MMA7660_MODE_MODE = 0x01, // determines mode with MODE_TON
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// 0x02 reserved
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MMA7660_MODE_TON = 0x04, // determines mode with MODE_MODE
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MMA7660_MODE_AWE = 0x08, // auto-wake
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MMA7660_MODE_ASE = 0x10, // auto-sleep
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MMA7660_MODE_SCPS = 0x20, // sleep count prescale
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MMA7660_MODE_IPP = 0x40, // intr out push-pull/open drain
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MMA7660_MODE_IAH = 0x80 // intr active low/high
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} MMA7660_MODE_T;
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// tilt BackFront (BF) bits
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typedef enum {
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MMA7660_BF_UNKNOWN = 0x00,
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MMA7660_BF_LYING_FRONT = 0x01,
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MMA7660_BF_LYING_BACK = 0x02
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} MMA7660_TILT_BF_T;
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// tilt LandscapePortrait (LP) bits
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typedef enum {
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MMA7660_LP_UNKNOWN = 0x00,
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MMA7660_LP_LANDSCAPE_LEFT = 0x01,
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MMA7660_LP_LANDSCAPE_RIGHT = 0x02,
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MMA7660_LP_VERT_DOWN = 0x05,
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MMA7660_LP_VERT_UP = 0x06
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} MMA7660_TILT_LP_T;
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// sample rate (auto-sleep) values
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typedef enum {
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MMA7660_AUTOSLEEP_120 = 0x00,
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MMA7660_AUTOSLEEP_64 = 0x01,
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MMA7660_AUTOSLEEP_32 = 0x02,
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MMA7660_AUTOSLEEP_16 = 0x03,
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MMA7660_AUTOSLEEP_8 = 0x04,
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MMA7660_AUTOSLEEP_4 = 0x05,
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MMA7660_AUTOSLEEP_2 = 0x06,
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MMA7660_AUTOSLEEP_1 = 0x07
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} MMA7660_AUTOSLEEP_T;
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#ifdef __cplusplus
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}
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#endif
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