| /* |
| * Copyright (c) 2016 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <sensor.h> |
| #include <i2c.h> |
| #include <gpio.h> |
| |
| #define SYS_LOG_DOMAIN "FXOS8700" |
| #define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL |
| #include <logging/sys_log.h> |
| |
| #define FXOS8700_REG_STATUS 0x00 |
| #define FXOS8700_REG_OUTXMSB 0x01 |
| #define FXOS8700_REG_INT_SOURCE 0x0c |
| #define FXOS8700_REG_WHOAMI 0x0d |
| #define FXOS8700_REG_XYZ_DATA_CFG 0x0e |
| #define FXOS8700_REG_PULSE_CFG 0x21 |
| #define FXOS8700_REG_PULSE_SRC 0x22 |
| #define FXOS8700_REG_PULSE_THSX 0x23 |
| #define FXOS8700_REG_PULSE_THSY 0x24 |
| #define FXOS8700_REG_PULSE_THSZ 0x25 |
| #define FXOS8700_REG_PULSE_TMLT 0x26 |
| #define FXOS8700_REG_PULSE_LTCY 0x27 |
| #define FXOS8700_REG_PULSE_WIND 0x28 |
| #define FXOS8700_REG_CTRLREG1 0x2a |
| #define FXOS8700_REG_CTRLREG2 0x2b |
| #define FXOS8700_REG_CTRLREG3 0x2c |
| #define FXOS8700_REG_CTRLREG4 0x2d |
| #define FXOS8700_REG_CTRLREG5 0x2e |
| #define FXOS8700_REG_M_OUTXMSB 0x33 |
| #define FXOS8700_REG_TEMP 0x51 |
| #define FXOS8700_REG_M_CTRLREG1 0x5b |
| #define FXOS8700_REG_M_CTRLREG2 0x5c |
| |
| #define FXOS8700_DRDY_MASK (1 << 0) |
| #define FXOS8700_PULSE_MASK (1 << 3) |
| |
| #define FXOS8700_XYZ_DATA_CFG_FS_MASK 0x03 |
| |
| #define FXOS8700_PULSE_SRC_DPE (1 << 3) |
| |
| #define FXOS8700_CTRLREG1_ACTIVE_MASK 0x01 |
| #define FXOS8700_CTRLREG1_DR_MASK (7 << 3) |
| |
| #define FXOS8700_CTRLREG2_RST_MASK 0x40 |
| |
| #define FXOS8700_M_CTRLREG1_MODE_MASK 0x03 |
| |
| #define FXOS8700_M_CTRLREG2_AUTOINC_MASK (1 << 5) |
| |
| #define FXOS8700_NUM_ACCEL_CHANNELS 3 |
| #define FXOS8700_NUM_MAG_CHANNELS 3 |
| #define FXOS8700_NUM_HYBRID_CHANNELS 6 |
| #define FXOS8700_MAX_NUM_CHANNELS 6 |
| |
| #define FXOS8700_BYTES_PER_CHANNEL_NORMAL 2 |
| #define FXOS8700_BYTES_PER_CHANNEL_FAST 1 |
| |
| #define FXOS8700_MAX_NUM_BYTES (FXOS8700_BYTES_PER_CHANNEL_NORMAL * \ |
| FXOS8700_MAX_NUM_CHANNELS) |
| |
| enum fxos8700_power { |
| FXOS8700_POWER_STANDBY = 0, |
| FXOS8700_POWER_ACTIVE, |
| }; |
| |
| enum fxos8700_mode { |
| FXOS8700_MODE_ACCEL = 0, |
| FXOS8700_MODE_MAGN = 1, |
| FXOS8700_MODE_HYBRID = 3, |
| }; |
| |
| enum fxos8700_range { |
| FXOS8700_RANGE_2G = 0, |
| FXOS8700_RANGE_4G, |
| FXOS8700_RANGE_8G, |
| }; |
| |
| enum fxos8700_channel { |
| FXOS8700_CHANNEL_ACCEL_X = 0, |
| FXOS8700_CHANNEL_ACCEL_Y, |
| FXOS8700_CHANNEL_ACCEL_Z, |
| FXOS8700_CHANNEL_MAGN_X, |
| FXOS8700_CHANNEL_MAGN_Y, |
| FXOS8700_CHANNEL_MAGN_Z, |
| }; |
| |
| struct fxos8700_config { |
| char *i2c_name; |
| #ifdef CONFIG_FXOS8700_TRIGGER |
| char *gpio_name; |
| u8_t gpio_pin; |
| #endif |
| u8_t i2c_address; |
| u8_t whoami; |
| enum fxos8700_mode mode; |
| enum fxos8700_range range; |
| u8_t start_addr; |
| u8_t start_channel; |
| u8_t num_channels; |
| #ifdef CONFIG_FXOS8700_PULSE |
| u8_t pulse_cfg; |
| u8_t pulse_ths[3]; |
| u8_t pulse_tmlt; |
| u8_t pulse_ltcy; |
| u8_t pulse_wind; |
| #endif |
| }; |
| |
| struct fxos8700_data { |
| struct device *i2c; |
| struct k_sem sem; |
| #ifdef CONFIG_FXOS8700_TRIGGER |
| struct device *gpio; |
| u8_t gpio_pin; |
| struct gpio_callback gpio_cb; |
| sensor_trigger_handler_t drdy_handler; |
| #endif |
| #ifdef CONFIG_FXOS8700_PULSE |
| sensor_trigger_handler_t tap_handler; |
| sensor_trigger_handler_t double_tap_handler; |
| #endif |
| #ifdef CONFIG_FXOS8700_TRIGGER_OWN_THREAD |
| K_THREAD_STACK_MEMBER(thread_stack, CONFIG_FXOS8700_THREAD_STACK_SIZE); |
| struct k_thread thread; |
| struct k_sem trig_sem; |
| #endif |
| #ifdef CONFIG_FXOS8700_TRIGGER_GLOBAL_THREAD |
| struct k_work work; |
| struct device *dev; |
| #endif |
| s16_t raw[FXOS8700_MAX_NUM_CHANNELS]; |
| #ifdef CONFIG_FXOS8700_TEMP |
| s8_t temp; |
| #endif |
| }; |
| |
| int fxos8700_get_power(struct device *dev, enum fxos8700_power *power); |
| int fxos8700_set_power(struct device *dev, enum fxos8700_power power); |
| |
| #if CONFIG_FXOS8700_TRIGGER |
| int fxos8700_trigger_init(struct device *dev); |
| int fxos8700_trigger_set(struct device *dev, |
| const struct sensor_trigger *trig, |
| sensor_trigger_handler_t handler); |
| #endif |