73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/* $NetBSD: sht4xvar.h,v 1.1 2021/10/03 17:27:02 brad Exp $ */
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/*
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* Copyright (c) 2021 Brad Spencer <brad@anduin.eldar.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _DEV_I2C_SHT4XVAR_H_
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#define _DEV_I2C_SHT4XVAR_H_
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#define SHT4X_NUM_SENSORS 2
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#define SHT4X_HUMIDITY_SENSOR 0
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#define SHT4X_TEMP_SENSOR 1
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#define SHT4X_RES_NAME 7
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#define SHT4X_PULSE_NAME 6
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struct sht4x_sc {
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int sc_sht4xdebug;
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device_t sc_dev;
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i2c_tag_t sc_tag;
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i2c_addr_t sc_addr;
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kmutex_t sc_mutex;
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int sc_numsensors;
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struct sysmon_envsys *sc_sme;
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struct sysctllog *sc_sht4xlog;
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envsys_data_t sc_sensors[SHT4X_NUM_SENSORS];
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bool sc_ignorecrc;
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char sc_resolution[SHT4X_RES_NAME];
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int sc_readattempts;
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bool sc_heateron;
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int sc_heaterval;
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char sc_heaterpulse[SHT4X_PULSE_NAME];
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};
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struct sht4x_sensor {
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const char *desc;
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enum envsys_units type;
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};
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struct sht4x_timing {
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uint8_t cmd;
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int typicaldelay;
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};
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struct sht4x_resolution {
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const char *text;
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uint8_t cmd;
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};
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struct sht4x_heaterpulse {
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const char *length;
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};
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struct sht4x_heateron_command {
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int heatervalue;
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const char *pulselength;
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uint8_t cmd;
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};
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#endif
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