780 lines
21 KiB
C
780 lines
21 KiB
C
/*
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* Copyright (c) 2016 Freescale Semiconductor, Inc.
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* Copyright (c) 2018 Phytec Messtechnik GmbH
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT nxp_fxos8700
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#include "fxos8700.h"
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#include <zephyr/sys/util.h>
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#include <zephyr/sys/__assert.h>
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#include <zephyr/logging/log.h>
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#include <stdlib.h>
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LOG_MODULE_REGISTER(FXOS8700, CONFIG_SENSOR_LOG_LEVEL);
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/* Convert the range (8g, 4g, 2g) to the encoded FS register field value */
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#define RANGE2FS(x) (__builtin_ctz(x) - 1)
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
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#define DIR_READ(a) ((a) & 0x7f)
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#define DIR_WRITE(a) ((a) | BIT(7))
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#define ADDR_7(a) ((a) & BIT(7))
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int fxos8700_transceive(const struct device *dev,
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void *data, size_t length)
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{
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const struct fxos8700_config *cfg = dev->config;
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const struct spi_buf buf = { .buf = data, .len = length };
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const struct spi_buf_set s = { .buffers = &buf, .count = 1 };
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return spi_transceive_dt(&cfg->bus_cfg.spi, &s, &s);
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}
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int fxos8700_read_spi(const struct device *dev,
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uint8_t reg,
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void *data,
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size_t length)
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{
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const struct fxos8700_config *cfg = dev->config;
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/* Reads must clock out a dummy byte after sending the address. */
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uint8_t reg_buf[3] = { DIR_READ(reg), ADDR_7(reg), 0 };
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const struct spi_buf buf[2] = {
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{ .buf = reg_buf, .len = 3 },
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{ .buf = data, .len = length }
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};
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const struct spi_buf_set tx = { .buffers = buf, .count = 1 };
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const struct spi_buf_set rx = { .buffers = buf, .count = 2 };
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return spi_transceive_dt(&cfg->bus_cfg.spi, &tx, &rx);
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}
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int fxos8700_byte_read_spi(const struct device *dev,
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uint8_t reg,
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uint8_t *byte)
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{
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/* Reads must clock out a dummy byte after sending the address. */
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uint8_t data[] = { DIR_READ(reg), ADDR_7(reg), 0};
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int ret;
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ret = fxos8700_transceive(dev, data, sizeof(data));
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*byte = data[2];
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return ret;
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}
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int fxos8700_byte_write_spi(const struct device *dev,
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uint8_t reg,
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uint8_t byte)
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{
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uint8_t data[] = { DIR_WRITE(reg), ADDR_7(reg), byte };
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return fxos8700_transceive(dev, data, sizeof(data));
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}
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int fxos8700_reg_field_update_spi(const struct device *dev,
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uint8_t reg,
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uint8_t mask,
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uint8_t val)
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{
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uint8_t old_val;
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if (fxos8700_byte_read_spi(dev, reg, &old_val) < 0) {
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return -EIO;
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}
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return fxos8700_byte_write_spi(dev, reg, (old_val & ~mask) | (val & mask));
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}
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static const struct fxos8700_io_ops fxos8700_spi_ops = {
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.read = fxos8700_read_spi,
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.byte_read = fxos8700_byte_read_spi,
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.byte_write = fxos8700_byte_write_spi,
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.reg_field_update = fxos8700_reg_field_update_spi,
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};
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#endif
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
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int fxos8700_read_i2c(const struct device *dev,
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uint8_t reg,
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void *data,
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size_t length)
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{
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const struct fxos8700_config *config = dev->config;
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return i2c_burst_read_dt(&config->bus_cfg.i2c, reg, data, length);
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}
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int fxos8700_byte_read_i2c(const struct device *dev,
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uint8_t reg,
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uint8_t *byte)
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{
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const struct fxos8700_config *config = dev->config;
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return i2c_reg_read_byte_dt(&config->bus_cfg.i2c, reg, byte);
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}
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int fxos8700_byte_write_i2c(const struct device *dev,
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uint8_t reg,
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uint8_t byte)
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{
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const struct fxos8700_config *config = dev->config;
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return i2c_reg_write_byte_dt(&config->bus_cfg.i2c, reg, byte);
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}
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int fxos8700_reg_field_update_i2c(const struct device *dev,
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uint8_t reg,
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uint8_t mask,
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uint8_t val)
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{
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const struct fxos8700_config *config = dev->config;
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return i2c_reg_update_byte_dt(&config->bus_cfg.i2c, reg, mask, val);
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}
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static const struct fxos8700_io_ops fxos8700_i2c_ops = {
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.read = fxos8700_read_i2c,
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.byte_read = fxos8700_byte_read_i2c,
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.byte_write = fxos8700_byte_write_i2c,
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.reg_field_update = fxos8700_reg_field_update_i2c,
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};
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#endif
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static int fxos8700_set_odr(const struct device *dev,
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const struct sensor_value *val)
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{
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const struct fxos8700_config *config = dev->config;
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uint8_t dr;
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enum fxos8700_power power;
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#ifdef CONFIG_FXOS8700_MODE_HYBRID
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/* ODR is halved in hybrid mode */
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if (val->val1 == 400 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_800;
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} else if (val->val1 == 200 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_400;
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} else if (val->val1 == 100 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_200;
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} else if (val->val1 == 50 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_100;
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} else if (val->val1 == 25 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_50;
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} else if (val->val1 == 6 && val->val2 == 250000) {
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dr = FXOS8700_CTRLREG1_DR_RATE_12_5;
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} else if (val->val1 == 3 && val->val2 == 125000) {
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dr = FXOS8700_CTRLREG1_DR_RATE_6_25;
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} else if (val->val1 == 0 && val->val2 == 781300) {
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dr = FXOS8700_CTRLREG1_DR_RATE_1_56;
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} else {
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return -EINVAL;
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}
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#else
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if (val->val1 == 800 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_800;
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} else if (val->val1 == 400 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_400;
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} else if (val->val1 == 200 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_200;
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} else if (val->val1 == 100 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_100;
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} else if (val->val1 == 50 && val->val2 == 0) {
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dr = FXOS8700_CTRLREG1_DR_RATE_50;
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} else if (val->val1 == 12 && val->val2 == 500000) {
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dr = FXOS8700_CTRLREG1_DR_RATE_12_5;
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} else if (val->val1 == 6 && val->val2 == 250000) {
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dr = FXOS8700_CTRLREG1_DR_RATE_6_25;
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} else if (val->val1 == 1 && val->val2 == 562500) {
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dr = FXOS8700_CTRLREG1_DR_RATE_1_56;
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} else {
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return -EINVAL;
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}
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#endif
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LOG_DBG("Set ODR to 0x%x", dr);
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/*
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* Modify FXOS8700_REG_CTRLREG1 can only occur when the device
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* is in standby mode. Get the current power mode to restore it later.
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*/
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if (fxos8700_get_power(dev, &power)) {
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LOG_ERR("Could not get power mode");
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return -EIO;
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}
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/* Set standby power mode */
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if (fxos8700_set_power(dev, FXOS8700_POWER_STANDBY)) {
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LOG_ERR("Could not set standby");
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return -EIO;
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}
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/* Change the attribute and restore power mode. */
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return config->ops->reg_field_update(dev, FXOS8700_REG_CTRLREG1,
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FXOS8700_CTRLREG1_DR_MASK | FXOS8700_CTRLREG1_ACTIVE_MASK,
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dr | power);
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}
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static int fxos8700_set_mt_ths(const struct device *dev,
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const struct sensor_value *val)
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{
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#ifdef CONFIG_FXOS8700_MOTION
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const struct fxos8700_config *config = dev->config;
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uint64_t micro_ms2 = abs(val->val1 * 1000000LL + val->val2);
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uint64_t ths = micro_ms2 / FXOS8700_FF_MT_THS_SCALE;
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if (ths > FXOS8700_FF_MT_THS_MASK) {
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LOG_ERR("Threshold value is out of range");
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return -EINVAL;
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}
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LOG_DBG("Set FF_MT_THS to %d", (uint8_t)ths);
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return config->ops->reg_field_update(dev, FXOS8700_REG_FF_MT_THS,
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FXOS8700_FF_MT_THS_MASK, (uint8_t)ths);
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#else
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return -ENOTSUP;
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#endif
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}
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static int fxos8700_attr_set(const struct device *dev,
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enum sensor_channel chan,
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enum sensor_attribute attr,
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const struct sensor_value *val)
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{
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if (chan != SENSOR_CHAN_ALL) {
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return -ENOTSUP;
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}
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if (attr == SENSOR_ATTR_SAMPLING_FREQUENCY) {
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return fxos8700_set_odr(dev, val);
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} else if (attr == SENSOR_ATTR_SLOPE_TH) {
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return fxos8700_set_mt_ths(dev, val);
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} else {
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return -ENOTSUP;
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}
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return 0;
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}
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static int fxos8700_sample_fetch(const struct device *dev,
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enum sensor_channel chan)
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{
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const struct fxos8700_config *config = dev->config;
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struct fxos8700_data *data = dev->data;
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uint8_t buffer[FXOS8700_MAX_NUM_BYTES];
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uint8_t num_bytes;
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int16_t *raw;
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int ret = 0;
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int i;
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if (chan != SENSOR_CHAN_ALL) {
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LOG_ERR("Unsupported sensor channel");
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return -ENOTSUP;
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}
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k_sem_take(&data->sem, K_FOREVER);
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/* Read all the channels in one I2C/SPI transaction. The number of bytes to
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* read and the starting register address depend on the mode
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* configuration (accel-only, mag-only, or hybrid).
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*/
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num_bytes = config->num_channels * FXOS8700_BYTES_PER_CHANNEL_NORMAL;
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__ASSERT(num_bytes <= sizeof(buffer), "Too many bytes to read");
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if (config->ops->read(dev, config->start_addr, buffer, num_bytes)) {
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LOG_ERR("Could not fetch sample");
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ret = -EIO;
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goto exit;
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}
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/* Parse the buffer into raw channel data (16-bit integers). To save
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* RAM, store the data in raw format and wait to convert to the
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* normalized sensor_value type until later.
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*/
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__ASSERT(config->start_channel + config->num_channels
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<= ARRAY_SIZE(data->raw),
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"Too many channels");
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raw = &data->raw[config->start_channel];
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for (i = 0; i < num_bytes; i += 2) {
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*raw++ = (buffer[i] << 8) | (buffer[i+1]);
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}
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#ifdef CONFIG_FXOS8700_TEMP
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if (config->ops->byte_read(dev, FXOS8700_REG_TEMP,
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&data->temp)) {
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LOG_ERR("Could not fetch temperature");
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ret = -EIO;
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goto exit;
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}
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#endif
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exit:
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k_sem_give(&data->sem);
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return ret;
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}
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static void fxos8700_accel_convert(struct sensor_value *val, int16_t raw,
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uint8_t range)
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{
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uint8_t frac_bits;
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int64_t micro_ms2;
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/* The range encoding is convenient to compute the number of fractional
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* bits:
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* - 2g mode (fs = 0) has 14 fractional bits
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* - 4g mode (fs = 1) has 13 fractional bits
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* - 8g mode (fs = 2) has 12 fractional bits
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*/
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frac_bits = 14 - RANGE2FS(range);
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/* Convert units to micro m/s^2. Intermediate results before the shift
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* are 40 bits wide.
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*/
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micro_ms2 = (raw * SENSOR_G) >> frac_bits;
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/* The maximum possible value is 8g, which in units of micro m/s^2
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* always fits into 32-bits. Cast down to int32_t so we can use a
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* faster divide.
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*/
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val->val1 = (int32_t) micro_ms2 / 1000000;
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val->val2 = (int32_t) micro_ms2 % 1000000;
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}
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static void fxos8700_magn_convert(struct sensor_value *val, int16_t raw)
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{
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int32_t micro_g;
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/* Convert units to micro Gauss. Raw magnetic data always has a
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* resolution of 0.1 uT/LSB, which is equivalent to 0.001 G/LSB.
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*/
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micro_g = raw * 1000;
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val->val1 = micro_g / 1000000;
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val->val2 = micro_g % 1000000;
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}
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#ifdef CONFIG_FXOS8700_TEMP
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static void fxos8700_temp_convert(struct sensor_value *val, int8_t raw)
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{
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int32_t micro_c;
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/* Convert units to micro Celsius. Raw temperature data always has a
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* resolution of 0.96 deg C/LSB.
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*/
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micro_c = raw * 960 * 1000;
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val->val1 = micro_c / 1000000;
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val->val2 = micro_c % 1000000;
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}
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#endif
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static int fxos8700_channel_get(const struct device *dev,
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enum sensor_channel chan,
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struct sensor_value *val)
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{
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const struct fxos8700_config *config = dev->config;
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struct fxos8700_data *data = dev->data;
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int start_channel;
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int num_channels;
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int16_t *raw;
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int ret;
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int i;
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k_sem_take(&data->sem, K_FOREVER);
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/* Start with an error return code by default, then clear it if we find
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* a supported sensor channel.
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*/
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ret = -ENOTSUP;
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/* If we're in an accelerometer-enabled mode (accel-only or hybrid),
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* then convert raw accelerometer data to the normalized sensor_value
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* type.
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*/
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if (config->mode != FXOS8700_MODE_MAGN) {
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switch (chan) {
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case SENSOR_CHAN_ACCEL_X:
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start_channel = FXOS8700_CHANNEL_ACCEL_X;
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num_channels = 1;
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break;
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case SENSOR_CHAN_ACCEL_Y:
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start_channel = FXOS8700_CHANNEL_ACCEL_Y;
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num_channels = 1;
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break;
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case SENSOR_CHAN_ACCEL_Z:
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start_channel = FXOS8700_CHANNEL_ACCEL_Z;
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num_channels = 1;
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break;
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case SENSOR_CHAN_ACCEL_XYZ:
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start_channel = FXOS8700_CHANNEL_ACCEL_X;
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num_channels = 3;
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break;
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default:
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start_channel = 0;
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num_channels = 0;
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break;
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}
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raw = &data->raw[start_channel];
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for (i = 0; i < num_channels; i++) {
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fxos8700_accel_convert(val++, *raw++, config->range);
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}
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if (num_channels > 0) {
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ret = 0;
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}
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}
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/* If we're in an magnetometer-enabled mode (mag-only or hybrid), then
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* convert raw magnetometer data to the normalized sensor_value type.
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*/
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if (config->mode != FXOS8700_MODE_ACCEL) {
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switch (chan) {
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case SENSOR_CHAN_MAGN_X:
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start_channel = FXOS8700_CHANNEL_MAGN_X;
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num_channels = 1;
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break;
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case SENSOR_CHAN_MAGN_Y:
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start_channel = FXOS8700_CHANNEL_MAGN_Y;
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num_channels = 1;
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break;
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case SENSOR_CHAN_MAGN_Z:
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start_channel = FXOS8700_CHANNEL_MAGN_Z;
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num_channels = 1;
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break;
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case SENSOR_CHAN_MAGN_XYZ:
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start_channel = FXOS8700_CHANNEL_MAGN_X;
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num_channels = 3;
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break;
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default:
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start_channel = 0;
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num_channels = 0;
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break;
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}
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raw = &data->raw[start_channel];
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for (i = 0; i < num_channels; i++) {
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fxos8700_magn_convert(val++, *raw++);
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}
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if (num_channels > 0) {
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ret = 0;
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}
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#ifdef CONFIG_FXOS8700_TEMP
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if (chan == SENSOR_CHAN_DIE_TEMP) {
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fxos8700_temp_convert(val, data->temp);
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ret = 0;
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}
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#endif
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}
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if (ret != 0) {
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LOG_ERR("Unsupported sensor channel");
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}
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k_sem_give(&data->sem);
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return ret;
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}
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int fxos8700_get_power(const struct device *dev, enum fxos8700_power *power)
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{
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const struct fxos8700_config *config = dev->config;
|
|
uint8_t val;
|
|
|
|
if (config->ops->byte_read(dev, FXOS8700_REG_CTRLREG1, &val)) {
|
|
LOG_ERR("Could not get power setting");
|
|
return -EIO;
|
|
}
|
|
val &= FXOS8700_M_CTRLREG1_MODE_MASK;
|
|
*power = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int fxos8700_set_power(const struct device *dev, enum fxos8700_power power)
|
|
{
|
|
const struct fxos8700_config *config = dev->config;
|
|
|
|
return config->ops->reg_field_update(dev, FXOS8700_REG_CTRLREG1,
|
|
FXOS8700_CTRLREG1_ACTIVE_MASK, power);
|
|
}
|
|
|
|
static int fxos8700_init(const struct device *dev)
|
|
{
|
|
const struct fxos8700_config *config = dev->config;
|
|
struct fxos8700_data *data = dev->data;
|
|
struct sensor_value odr = {.val1 = 6, .val2 = 250000};
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c)
|
|
if (config->inst_on_bus == FXOS8700_BUS_I2C) {
|
|
if (!device_is_ready(config->bus_cfg.i2c.bus)) {
|
|
LOG_ERR("I2C bus device not ready");
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
|
|
if (config->inst_on_bus == FXOS8700_BUS_SPI) {
|
|
if (!device_is_ready(config->bus_cfg.spi.bus)) {
|
|
LOG_ERR("SPI bus device not ready");
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (config->reset_gpio.port) {
|
|
/* Pulse RST pin high to perform a hardware reset of
|
|
* the sensor.
|
|
*/
|
|
|
|
if (!gpio_is_ready_dt(&config->reset_gpio)) {
|
|
LOG_ERR("GPIO device not ready");
|
|
return -ENODEV;
|
|
}
|
|
|
|
gpio_pin_configure_dt(&config->reset_gpio, GPIO_OUTPUT_INACTIVE);
|
|
|
|
gpio_pin_set_dt(&config->reset_gpio, 1);
|
|
/* The datasheet does not mention how long to pulse
|
|
* the RST pin high in order to reset. Stay on the
|
|
* safe side and pulse for 1 millisecond.
|
|
*/
|
|
k_busy_wait(USEC_PER_MSEC);
|
|
gpio_pin_set_dt(&config->reset_gpio, 0);
|
|
} else {
|
|
/* Software reset the sensor. Upon issuing a software
|
|
* reset command over the I2C interface, the sensor
|
|
* immediately resets and does not send any
|
|
* acknowledgment (ACK) of the written byte to the
|
|
* master. Therefore, do not check the return code of
|
|
* the I2C transaction.
|
|
*/
|
|
config->ops->byte_write(dev, FXOS8700_REG_CTRLREG2,
|
|
FXOS8700_CTRLREG2_RST_MASK);
|
|
}
|
|
|
|
/* The sensor requires us to wait 1 ms after a reset before
|
|
* attempting further communications.
|
|
*/
|
|
k_busy_wait(USEC_PER_MSEC);
|
|
|
|
/*
|
|
* Read the WHOAMI register to make sure we are talking to FXOS8700 or
|
|
* compatible device and not some other type of device that happens to
|
|
* have the same I2C address.
|
|
*/
|
|
if (config->ops->byte_read(dev, FXOS8700_REG_WHOAMI,
|
|
&data->whoami)) {
|
|
LOG_ERR("Could not get WHOAMI value");
|
|
return -EIO;
|
|
}
|
|
|
|
switch (data->whoami) {
|
|
case WHOAMI_ID_MMA8451:
|
|
case WHOAMI_ID_MMA8652:
|
|
case WHOAMI_ID_MMA8653:
|
|
if (config->mode != FXOS8700_MODE_ACCEL) {
|
|
LOG_ERR("Device 0x%x supports only "
|
|
"accelerometer mode",
|
|
data->whoami);
|
|
return -EIO;
|
|
}
|
|
break;
|
|
case WHOAMI_ID_FXOS8700:
|
|
LOG_DBG("Device ID 0x%x", data->whoami);
|
|
break;
|
|
default:
|
|
LOG_ERR("Unknown Device ID 0x%x", data->whoami);
|
|
return -EIO;
|
|
}
|
|
|
|
if (fxos8700_set_odr(dev, &odr)) {
|
|
LOG_ERR("Could not set default data rate");
|
|
return -EIO;
|
|
}
|
|
|
|
if (config->ops->reg_field_update(dev, FXOS8700_REG_CTRLREG2,
|
|
FXOS8700_CTRLREG2_MODS_MASK,
|
|
config->power_mode)) {
|
|
LOG_ERR("Could not set power scheme");
|
|
return -EIO;
|
|
}
|
|
|
|
/* Set the mode (accel-only, mag-only, or hybrid) */
|
|
if (config->ops->reg_field_update(dev, FXOS8700_REG_M_CTRLREG1,
|
|
FXOS8700_M_CTRLREG1_MODE_MASK,
|
|
config->mode)) {
|
|
LOG_ERR("Could not set mode");
|
|
return -EIO;
|
|
}
|
|
|
|
/* Set hybrid autoincrement so we can read accel and mag channels in
|
|
* one I2C/SPI transaction.
|
|
*/
|
|
if (config->ops->reg_field_update(dev, FXOS8700_REG_M_CTRLREG2,
|
|
FXOS8700_M_CTRLREG2_AUTOINC_MASK,
|
|
FXOS8700_M_CTRLREG2_AUTOINC_MASK)) {
|
|
LOG_ERR("Could not set hybrid autoincrement");
|
|
return -EIO;
|
|
}
|
|
|
|
/* Set the full-scale range */
|
|
if (config->ops->reg_field_update(dev, FXOS8700_REG_XYZ_DATA_CFG,
|
|
FXOS8700_XYZ_DATA_CFG_FS_MASK,
|
|
RANGE2FS(config->range))) {
|
|
LOG_ERR("Could not set range");
|
|
return -EIO;
|
|
}
|
|
|
|
k_sem_init(&data->sem, 0, K_SEM_MAX_LIMIT);
|
|
|
|
#if CONFIG_FXOS8700_TRIGGER
|
|
if (fxos8700_trigger_init(dev)) {
|
|
LOG_ERR("Could not initialize interrupts");
|
|
return -EIO;
|
|
}
|
|
#endif
|
|
|
|
/* Set active */
|
|
if (fxos8700_set_power(dev, FXOS8700_POWER_ACTIVE)) {
|
|
LOG_ERR("Could not set active");
|
|
return -EIO;
|
|
}
|
|
k_sem_give(&data->sem);
|
|
|
|
LOG_DBG("Init complete");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct sensor_driver_api fxos8700_driver_api = {
|
|
.sample_fetch = fxos8700_sample_fetch,
|
|
.channel_get = fxos8700_channel_get,
|
|
.attr_set = fxos8700_attr_set,
|
|
#if CONFIG_FXOS8700_TRIGGER
|
|
.trigger_set = fxos8700_trigger_set,
|
|
#endif
|
|
};
|
|
|
|
#define FXOS8700_MODE_PROPS_ACCEL \
|
|
.mode = FXOS8700_MODE_ACCEL, \
|
|
.start_addr = FXOS8700_REG_OUTXMSB, \
|
|
.start_channel = FXOS8700_CHANNEL_ACCEL_X, \
|
|
.num_channels = FXOS8700_NUM_ACCEL_CHANNELS,
|
|
|
|
#define FXOS8700_MODE_PROPS_MAGN \
|
|
.mode = FXOS8700_MODE_MAGN, \
|
|
.start_addr = FXOS8700_REG_M_OUTXMSB, \
|
|
.start_channel = FXOS8700_CHANNEL_MAGN_X, \
|
|
.num_channels = FXOS8700_NUM_MAG_CHANNELS,
|
|
|
|
#define FXOS8700_MODE_PROPS_HYBRID \
|
|
.mode = FXOS8700_MODE_HYBRID, \
|
|
.start_addr = FXOS8700_REG_OUTXMSB, \
|
|
.start_channel = FXOS8700_CHANNEL_ACCEL_X, \
|
|
.num_channels = FXOS8700_NUM_HYBRID_CHANNELS, \
|
|
|
|
#define FXOS8700_MODE(n) \
|
|
COND_CODE_1(CONFIG_FXOS8700_MODE_ACCEL, \
|
|
(FXOS8700_MODE_PROPS_ACCEL), \
|
|
(COND_CODE_1(CONFIG_FXOS8700_MODE_MAGN, \
|
|
(FXOS8700_MODE_PROPS_MAGN), \
|
|
(FXOS8700_MODE_PROPS_HYBRID))))
|
|
|
|
#define FXOS8700_RESET_PROPS(n) \
|
|
.reset_gpio = GPIO_DT_SPEC_INST_GET(n, reset_gpios),
|
|
|
|
#define FXOS8700_RESET(n) \
|
|
COND_CODE_1(DT_INST_NODE_HAS_PROP(n, reset_gpios), \
|
|
(FXOS8700_RESET_PROPS(n)), \
|
|
())
|
|
|
|
#define FXOS8700_INTM_PROPS(n, m) \
|
|
.int_gpio = GPIO_DT_SPEC_INST_GET(n, int##m##_gpios),
|
|
|
|
#define FXOS8700_INT_PROPS(n) \
|
|
COND_CODE_1(CONFIG_FXOS8700_DRDY_INT1, \
|
|
(FXOS8700_INTM_PROPS(n, 1)), \
|
|
(FXOS8700_INTM_PROPS(n, 2)))
|
|
|
|
#define FXOS8700_INT(n) \
|
|
COND_CODE_1(CONFIG_FXOS8700_TRIGGER, \
|
|
(FXOS8700_INT_PROPS(n)), \
|
|
())
|
|
|
|
#define FXOS8700_PULSE_PROPS(n) \
|
|
.pulse_cfg = DT_INST_PROP(n, pulse_cfg), \
|
|
.pulse_ths[0] = DT_INST_PROP(n, pulse_thsx), \
|
|
.pulse_ths[1] = DT_INST_PROP(n, pulse_thsy), \
|
|
.pulse_ths[2] = DT_INST_PROP(n, pulse_thsz), \
|
|
.pulse_tmlt = DT_INST_PROP(n, pulse_tmlt), \
|
|
.pulse_ltcy = DT_INST_PROP(n, pulse_ltcy), \
|
|
.pulse_wind = DT_INST_PROP(n, pulse_wind),
|
|
|
|
#define FXOS8700_PULSE(n) \
|
|
COND_CODE_1(CONFIG_FXOS8700_PULSE, \
|
|
(FXOS8700_PULSE_PROPS(n)), \
|
|
())
|
|
|
|
#define FXOS8700_MAG_VECM_PROPS(n) \
|
|
.mag_vecm_cfg = DT_INST_PROP(n, mag_vecm_cfg), \
|
|
.mag_vecm_ths[0] = DT_INST_PROP(n, mag_vecm_ths_msb), \
|
|
.mag_vecm_ths[1] = DT_INST_PROP(n, mag_vecm_ths_lsb),
|
|
|
|
#define FXOS8700_MAG_VECM(n) \
|
|
COND_CODE_1(CONFIG_FXOS8700_MAG_VECM, \
|
|
(FXOS8700_MAG_VECM_PROPS(n)), \
|
|
())
|
|
|
|
#define FXOS8700_CONFIG_I2C(n) \
|
|
.bus_cfg = { .i2c = I2C_DT_SPEC_INST_GET(n) }, \
|
|
.ops = &fxos8700_i2c_ops, \
|
|
.power_mode = DT_INST_PROP(n, power_mode), \
|
|
.range = DT_INST_PROP(n, range), \
|
|
.inst_on_bus = FXOS8700_BUS_I2C,
|
|
|
|
#define FXOS8700_CONFIG_SPI(n) \
|
|
.bus_cfg = { .spi = SPI_DT_SPEC_INST_GET(n, \
|
|
SPI_OP_MODE_MASTER | SPI_WORD_SET(8), 0) }, \
|
|
.ops = &fxos8700_spi_ops, \
|
|
.power_mode = DT_INST_PROP(n, power_mode), \
|
|
.range = DT_INST_PROP(n, range), \
|
|
.inst_on_bus = FXOS8700_BUS_SPI, \
|
|
|
|
#define FXOS8700_SPI_OPERATION (SPI_WORD_SET(8) | \
|
|
SPI_OP_MODE_MASTER) \
|
|
|
|
#define FXOS8700_INIT(n) \
|
|
static const struct fxos8700_config fxos8700_config_##n = { \
|
|
COND_CODE_1(DT_INST_ON_BUS(n, spi), \
|
|
(FXOS8700_CONFIG_SPI(n)), \
|
|
(FXOS8700_CONFIG_I2C(n))) \
|
|
FXOS8700_RESET(n) \
|
|
FXOS8700_MODE(n) \
|
|
FXOS8700_INT(n) \
|
|
FXOS8700_PULSE(n) \
|
|
FXOS8700_MAG_VECM(n) \
|
|
}; \
|
|
\
|
|
static struct fxos8700_data fxos8700_data_##n; \
|
|
\
|
|
SENSOR_DEVICE_DT_INST_DEFINE(n, \
|
|
fxos8700_init, \
|
|
NULL, \
|
|
&fxos8700_data_##n, \
|
|
&fxos8700_config_##n, \
|
|
POST_KERNEL, \
|
|
CONFIG_SENSOR_INIT_PRIORITY, \
|
|
&fxos8700_driver_api);
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(FXOS8700_INIT)
|