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drivers/sensors: add support to MAX44009 ambient light sensor

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This commit is contained in:
Juha Niskanen
2018-01-29 07:56:06 -06:00
committed by Gregory Nutt
parent a0cd711334
commit dafa72edc3
5 changed files with 1123 additions and 12 deletions
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drivers/sensors/Kconfig
+28
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@@ -338,6 +338,34 @@ config ADXL345_REGDEBUG
endif # SENSORS_ADXL345
config SENSORS_MAX44009
bool "Maxim MAX44009 ALS sensor"
default n
select I2C
---help---
Enables MAX44009 Ambient Light Sensor
if SENSORS_MAX44009
config MAX44009_I2C_FREQUENCY
int "MAX44009 I2C frequency"
default 400000
range 1 400000
config DEBUG_MAX44009
bool "Enable debug support for the MAX44009"
default n
---help---
Enables debug support for the MAX44009
config MAX44009_NPOLLWAITERS
int "Number of waiters to poll"
default 1
---help---
Number of waiters to poll
endif # SENSORS_MAX44009
config SENSORS_MAX31855
bool "Maxim MAX31855 Driver"
default n
drivers/sensors/Make.defs
+4
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@@ -105,6 +105,10 @@ ifeq ($(CONFIG_SENSORS_LM92),y)
CSRCS += lm92.c
endif
ifeq ($(CONFIG_SENSORS_MAX44009),y)
CSRCS += max44009.c
endif
ifeq ($(CONFIG_SENSORS_MB7040),y)
CSRCS += mb7040.c
endif
drivers/sensors/max44009.c
+957
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File diff suppressed because it is too large Load Diff
include/nuttx/sensors/ioctl.h
+16 -12
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@@ -118,10 +118,10 @@
/* IOCTL commands to the HTS221 & LPS25H */
#define SNIOC_CFGR _SNIOC(0x002a)
#define SNIOC_GET_DEV_ID _SNIOC(0x002b)
/* IOCTL commands unique to the HTS221 */
#define SNIOC_GET_DEV_ID _SNIOC(0x002b)
#define SNIOC_START_CONVERSION _SNIOC(0x002c)
#define SNIOC_CHECK_STATUS_REG _SNIOC(0x002d)
#define SNIOC_READ_RAW_DATA _SNIOC(0x002e)
@@ -130,19 +130,23 @@
/* IOCTL commands unique to the LPS25H */
#define SNIOC_GET_DEV_ID _SNIOC(0x0031)
#define SNIOC_TEMPERATURE_OUT _SNIOC(0x0032)
#define SNIOC_PRESSURE_OUT _SNIOC(0x0033)
#define SNIOC_SENSOR_OFF _SNIOC(0x0034)
#define SNIOC_TEMPERATURE_OUT _SNIOC(0x0031)
#define SNIOC_PRESSURE_OUT _SNIOC(0x0032)
#define SNIOC_SENSOR_OFF _SNIOC(0x0033)
/* IOCTL commands unique to the LIS2DH */
#define SNIOC_WRITESETUP _SNIOC(0x0035) /* Arg: uint8_t value */
#define SNIOC_WRITE_INT1THRESHOLD _SNIOC(0x0036) /* Arg: uint8_t value */
#define SNIOC_WRITE_INT2THRESHOLD _SNIOC(0x0037) /* Arg: uint8_t value */
#define SNIOC_RESET_HPFILTER _SNIOC(0x0038) /* Arg: uint8_t value */
#define SNIOC_START_SELFTEST _SNIOC(0x0039) /* Arg: uint8_t value */
#define SNIOC_WHO_AM_I _SNIOC(0x003a)
#define SNIOC_READ_TEMP _SNIOC(0x003b) /* Arg: int16_t value */
#define SNIOC_WRITESETUP _SNIOC(0x0034) /* Arg: uint8_t value */
#define SNIOC_WRITE_INT1THRESHOLD _SNIOC(0x0035) /* Arg: uint8_t value */
#define SNIOC_WRITE_INT2THRESHOLD _SNIOC(0x0036) /* Arg: uint8_t value */
#define SNIOC_RESET_HPFILTER _SNIOC(0x0037) /* Arg: uint8_t value */
#define SNIOC_START_SELFTEST _SNIOC(0x0038) /* Arg: uint8_t value */
#define SNIOC_WHO_AM_I _SNIOC(0x0039)
#define SNIOC_READ_TEMP _SNIOC(0x003a) /* Arg: int16_t value */
/* IOCTL commands unique to the MAX44009 */
#define SNIOC_INIT _SNIOC(0x003b)
#define SNIOC_THRESHOLD _SNIOC(0x003c)
#endif /* __INCLUDE_NUTTX_SENSORS_IOCTL_H */
include/nuttx/sensors/max44009.h
+118
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@@ -0,0 +1,118 @@
/****************************************************************************
* include/nuttx/sensors/max44009.h
*
* Copyright (C) 2014-2018 Haltian Ltd. All rights reserved.
* Authors: Dmitry Nikolaev <dmitry.nikolaev@haltian.com>
* Juha Niskanen <juha.niskanen@haltian.com>
*
* 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 __INCLUDE_NUTTX_SENSORS_MAX44009
#define __INCLUDE_NUTTX_SENSORS_MAX44009
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/sensors/ioctl.h>
/****************************************************************************
* Public Types
****************************************************************************/
struct i2c_master_s;
/* Integration time, ms */
enum max44009_integration_time_e
{
MAX44009_INTEGR_TIME_800 = 0x0, /* Preferred mode for boosting
* low-light sensitivity */
MAX44009_INTEGR_TIME_400,
MAX44009_INTEGR_TIME_200,
MAX44009_INTEGR_TIME_100, /* Preferred mode for high-brightness
* applications */
MAX44009_INTEGR_TIME_50, /* Manual mode only */
MAX44009_INTEGR_TIME_25, /* Manual mode only */
MAX44009_INTEGR_TIME_12_5, /* Manual mode only */
MAX44009_INTEGR_TIME_6_25 /* Manual mode only */
};
/* Board configuration data structure */
struct max44009_config_s
{
CODE int (*irq_attach)(FAR struct max44009_config_s * state, xcpt_t isr, FAR void *arg);
CODE void (*irq_enable)(FAR const struct max44009_config_s * state, bool enable);
CODE int (*set_power)(FAR const struct max44009_config_s * state, bool on);
};
/* Configuration structure for MAX44009 */
struct max44009_init_s
{
bool is_cont; /* Needs more power, if it's in continuous
* mode. This one is useful in test-mode for
* instance */
bool is_manual; /* Timer's settings must be specified manually */
bool is_cdr; /* Current division ratio: false - All of the
* photodiode current goes to the ADC, true -
* 1/8 (must be used in high-brightness
* situations) */
enum max44009_integration_time_e integr_time; /* Integration time */
};
struct max44009_threshold_s
{
uint8_t upper_threshold; /* Upper threshold high-byte */
uint8_t lower_threshold; /* Lower threshold high-byte */
uint8_t threshold_timer; /* 0 - interrupt will be triggered as soon as
* the light level exceeds either threshold */
} ;
/* Data transfer structure */
struct max44009_data_s
{
uint32_t lux; /* Converted lux value */
uint16_t mlux; /* Converted millilux (decimals for lux) */
uint16_t raw_value; /* Raw unconverted value */
uint8_t test_value; /* For self-test only */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int max44009_register(FAR const char *devpath, FAR struct i2c_master_s *i2c,
uint8_t addr, FAR struct max44009_config_s *config);
#endif /* __INCLUDE_NUTTX_SENSORS_MAX44009 */