/** * Copyright (c) 2022 Bosch Sensortec GmbH. All rights reserved. * * BSD-3-Clause * * 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 of the copyright holder 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 HOLDER 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. * * @file bma456w.c * @date 2022-07-01 * @version V2.24.1 * */ /*! \file bma456w.c * \brief Sensor Driver for BMA456W sensor */ #include "bma456w.h" /**\name Feature configuration file */ const uint8_t bma456w_config_file[] = { 0x80, 0x2e, 0xf0, 0x01, 0x80, 0x2e, 0xf2, 0x01, 0xc8, 0x2e, 0x00, 0x2e, 0x80, 0x2e, 0xff, 0x00, 0x80, 0x2e, 0xfe, 0x00, 0x80, 0x2e, 0xf1, 0x01, 0x80, 0x2e, 0xef, 0x01, 0x80, 0x2e, 0x92, 0xb0, 0x80, 0x2e, 0xb6, 0x09, 0xb0, 0xf0, 0x10, 0x30, 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/***************************************************************************/ /*! Static Function Declarations ****************************************************************************/ /*! * @brief This API enables the features of sensor. * * @param[in] feature : Variable to specify the features which are to be set * in the sensor. * @param[in] len : Length for read and write * @param[in] feature_config : Array address which stores the feature * configuration data * @param[in] dev : Structure instance of bma4_dev. * * @return Result of API execution status * @retval 0 -> Success * @retval < 0 -> Fail */ static int8_t feature_enable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev); /*! * @brief This API disables the features of sensor. * * @param[in] feature : Variable to specify the features which are to be unset * in the sensor. * @param[in] len : Length for read and write * @param[in] feature_config : Array address which stores the feature * configuration data * @param[in] dev : Structure instance of bma4_dev. * * @return Result of API execution status * @retval 0 -> Success * @retval < 0 -> Fail */ static int8_t feature_disable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev); /*! * @brief This API update the settings of step counter into write array. * * @param[in] setting : Pointer to structure variable which stores the * settings parameter1 to parameter25. * @param[in] index : Value for array traversing. * @param[out] feature_config : Pointer to store the settings * * @return none */ static void update_stepcounter_parameter(const struct bma456w_stepcounter_settings *setting, uint8_t index, uint8_t *feature_config); /*! * @brief This API copy the settings of step counter into the * structure of bma456w_stepcounter_settings, which is read from sensor. * * @param[out] setting : Pointer to structure variable which stores the * settings parameter1 to parameter25 read from sensor. * @param[in] data_p : Pointer of array which stores the parameters. * * @return none */ static void extract_stepcounter_parameter(struct bma456w_stepcounter_settings *setting, const uint16_t *data_p); /***************************************************************************/ /**\name Function definitions ****************************************************************************/ /*! * @brief This API is the entry point. * Call this API before using all other APIs. * This API reads the chip-id of the sensor and sets the resolution. */ int8_t bma456w_init(struct bma4_dev *dev) { int8_t rslt; /* Structure to define the default values for axes re-mapping */ struct bma4_axes_remap axes_remap = { .x_axis = BMA4_MAP_X_AXIS, .x_axis_sign = BMA4_MAP_POSITIVE, .y_axis = BMA4_MAP_Y_AXIS, .y_axis_sign = BMA4_MAP_POSITIVE, .z_axis = BMA4_MAP_Z_AXIS, .z_axis_sign = BMA4_MAP_POSITIVE }; rslt = bma4_init(dev); if (rslt == BMA4_OK) { if (dev->chip_id == BMA456W_CHIP_ID) { /* Resolution of BMA456 sensor is 16 bit */ dev->resolution = BMA4_16_BIT_RESOLUTION; dev->feature_len = BMA456W_FEATURE_SIZE; dev->config_size = sizeof(bma456w_config_file); /* Set the default values for axis * re-mapping in the device structure */ dev->remap = axes_remap; } else { rslt = BMA4_E_INVALID_SENSOR; } } return rslt; } /*! * @brief This API is used to upload the configuration file to enable the * features of the sensor. */ int8_t bma456w_write_config_file(struct bma4_dev *dev) { int8_t rslt = BMA4_OK; if (dev != NULL) { /* Configuration stream read/write length boundary * check */ if ((dev->read_write_len >= BMA456W_RD_WR_MIN_LEN) && (dev->read_write_len <= BMA456W_RD_WR_MAX_LEN)) { /* Even or odd check */ if ((dev->read_write_len % 2) != 0) { dev->read_write_len = dev->read_write_len - 1; } /* Assign stream data */ dev->config_file_ptr = bma456w_config_file; rslt = bma4_write_config_file(dev); } else { rslt = BMA4_E_RD_WR_LENGTH_INVALID; } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API is used to get the configuration id of the sensor. */ int8_t bma456w_get_config_id(uint16_t *config_id, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint8_t index = BMA456W_CONFIG_ID_OFFSET; int8_t rslt = BMA4_OK; uint16_t config_id_lsb = 0; uint16_t config_id_msb = 0; if (config_id != NULL) { rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { config_id_lsb = (uint16_t)feature_config[index]; config_id_msb = ((uint16_t)feature_config[index + 1]) << 8; *config_id = config_id_lsb | config_id_msb; } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API sets/un-sets the user provided interrupt to either interrupt * pin1 or pin2 in the sensor. */ int8_t bma456w_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev) { int8_t rslt = BMA4_OK; if (dev != NULL) { if (dev->chip_id == BMA456W_CHIP_ID) { if (int_line <= 1) { /* Map/Unmap the interrupt */ rslt = bma4_map_interrupt(int_line, int_map, enable, dev); } else { rslt = BMA4_E_INT_LINE_INVALID; } } else { rslt = BMA4_E_INVALID_SENSOR; } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API reads the bma456w interrupt status from the sensor. */ int8_t bma456w_read_int_status(uint16_t *int_status, struct bma4_dev *dev) { int8_t rslt = BMA4_OK; if (int_status != NULL) { /* Read the interrupt status */ rslt = bma4_read_int_status(int_status, dev); } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API enables/disables the features of the sensor. */ int8_t bma456w_feature_enable(uint8_t feature, uint8_t enable, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; int8_t rslt; uint8_t len = BMA456W_FEATURE_SIZE; /* Read feature configuration data */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev); if (rslt == BMA4_OK) { if (enable == TRUE) { /* Enables the feature */ rslt = feature_enable(feature, len, feature_config, dev); } else { /* Disables the feature */ rslt = feature_disable(feature, len, feature_config, dev); } } return rslt; } /*! * @brief This API performs x, y and z axis remapping in the sensor. */ int8_t bma456w_set_remap_axes(const struct bma4_remap *remap_axes, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint8_t index = BMA456W_AXES_REMAP_OFFSET; int8_t rslt = BMA4_OK; if (remap_axes != NULL) { rslt = bma4_set_remap_axes(remap_axes, feature_config, index, BMA456W_FEATURE_SIZE, dev); } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API reads the x, y and z axis remap data from the sensor. */ int8_t bma456w_get_remap_axes(struct bma4_remap *remap_axes, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint8_t index = BMA456W_AXES_REMAP_OFFSET; int8_t rslt = BMA4_OK; if (remap_axes != NULL) { rslt = bma4_get_remap_axes(remap_axes, feature_config, index, BMA456W_FEATURE_SIZE, dev); } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API sets the configuration of any-motion feature in the sensor. * This API enables/disables the any-motion feature according to the axis set. */ int8_t bma456w_set_any_mot_config(const struct bma456w_any_no_mot_config *any_mot, struct bma4_dev *dev) { /* Variable to define error */ int8_t rslt = BMA4_OK; /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to configure any-motion axes */ uint8_t index = BMA456W_ANY_MOT_OFFSET; /* Variable to define LSB */ uint16_t lsb = 0; /* Variable to define MSB */ uint16_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; if (any_mot != NULL) { /* Get any-motion configuration from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_ANY_MOT_LEN, dev); if (rslt == BMA4_OK) { /* Set threshold value in feature configuration array */ feature_config[index++] = BMA4_GET_LSB(any_mot->threshold); feature_config[index++] = BMA4_GET_MSB(any_mot->threshold); /* Extract the word where duration and axes enable * resides */ lsb = feature_config[index]; msb = feature_config[index + 1] << 8; lsb_msb = lsb | msb; /* Set the duration in the same word */ lsb_msb = BMA4_SET_BITS_POS_0(lsb_msb, BMA456W_ANY_NO_MOT_DUR, any_mot->duration); /* Set the axes in the same word */ lsb_msb = BMA4_SET_BITSLICE(lsb_msb, BMA456W_ANY_NO_MOT_AXIS_EN, any_mot->axes_en); /* Assign the word with set duration and axes enable * value back to feature configuration array */ feature_config[index++] = BMA4_GET_LSB(lsb_msb); feature_config[index] = BMA4_GET_MSB(lsb_msb); /* Set any-motion configuration to the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_ANY_MOT_LEN, dev); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API gets the configuration of any-motion feature from the * sensor. */ int8_t bma456w_get_any_mot_config(struct bma456w_any_no_mot_config *any_mot, struct bma4_dev *dev) { /* Variable to define error */ int8_t rslt = BMA4_OK; /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to configure any-motion axes */ uint8_t index = BMA456W_ANY_MOT_OFFSET; /* Variable to define LSB */ uint16_t lsb = 0; /* Variable to define MSB */ uint16_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; if (any_mot != NULL) { /* Get any-motion configuration from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_ANY_MOT_LEN, dev); if (rslt == BMA4_OK) { /* Get word to calculate threshold and any-motion * select */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract threshold value */ any_mot->threshold = lsb_msb & BMA456W_ANY_NO_MOT_THRES_MSK; /* Get word to calculate duration and axes enable */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index] << 8); lsb_msb = lsb | msb; /* Extract duration value */ any_mot->duration = lsb_msb & BMA456W_ANY_NO_MOT_DUR_MSK; /* Extract axes enable value */ any_mot->axes_en = (uint8_t)((lsb_msb & BMA456W_ANY_NO_MOT_AXIS_EN_MSK) >> BMA456W_ANY_NO_MOT_AXIS_EN_POS); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API sets the configuration of no-motion feature in the sensor. * This API enables/disables the no-motion feature according to the axis set. */ int8_t bma456w_set_no_mot_config(const struct bma456w_any_no_mot_config *no_mot, struct bma4_dev *dev) { /* Variable to define error */ int8_t rslt = BMA4_OK; /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to configure no-motion axes */ uint8_t index = BMA456W_NO_MOT_OFFSET; /* Variable to define LSB */ uint16_t lsb = 0; /* Variable to define MSB */ uint16_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; if (no_mot != NULL) { /* Get no-motion configuration from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_NO_MOT_RD_WR_LEN, dev); if (rslt == BMA4_OK) { /* Set threshold value in feature configuration array */ feature_config[index++] = BMA4_GET_LSB(no_mot->threshold); feature_config[index++] = BMA4_GET_MSB(no_mot->threshold); /* Extract the word where duration and axes enable * resides */ lsb = feature_config[index]; msb = feature_config[index + 1] << 8; lsb_msb = lsb | msb; /* Set the duration in the same word */ lsb_msb = BMA4_SET_BITS_POS_0(lsb_msb, BMA456W_ANY_NO_MOT_DUR, no_mot->duration); /* Set the axes in the same word */ lsb_msb = BMA4_SET_BITSLICE(lsb_msb, BMA456W_ANY_NO_MOT_AXIS_EN, no_mot->axes_en); /* Assign the word with set duration and axes enable * value back to feature configuration array */ feature_config[index++] = BMA4_GET_LSB(lsb_msb); feature_config[index] = BMA4_GET_MSB(lsb_msb); /* Set no-motion configuration to the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_NO_MOT_RD_WR_LEN, dev); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API gets the configuration of no-motion feature from the * sensor. */ int8_t bma456w_get_no_mot_config(struct bma456w_any_no_mot_config *no_mot, struct bma4_dev *dev) { /* Variable to define error */ int8_t rslt = BMA4_OK; /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to configure no-motion axes */ uint8_t index = BMA456W_NO_MOT_OFFSET; /* Variable to define LSB */ uint16_t lsb = 0; /* Variable to define MSB */ uint16_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; if (no_mot != NULL) { /* Get no-motion configuration from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_NO_MOT_RD_WR_LEN, dev); if (rslt == BMA4_OK) { /* Get word to calculate threshold and no-motion * select */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract threshold value */ no_mot->threshold = lsb_msb & BMA456W_ANY_NO_MOT_THRES_MSK; /* Get word to calculate duration and axes enable */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index] << 8); lsb_msb = lsb | msb; /* Extract duration value */ no_mot->duration = lsb_msb & BMA456W_ANY_NO_MOT_DUR_MSK; /* Extract axes enable value */ no_mot->axes_en = (uint8_t)((lsb_msb & BMA456W_ANY_NO_MOT_AXIS_EN_MSK) >> BMA456W_ANY_NO_MOT_AXIS_EN_POS); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API enables or disables the step detector feature in the sensor. */ int8_t bma456w_step_detector_enable(uint8_t enable, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; int8_t rslt; /* Step detector enable bit position is 1 byte ahead of the base address */ uint8_t index = BMA456W_STEP_CNTR_OFFSET + 1; rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { feature_config[index] = BMA4_SET_BITSLICE(feature_config[index], BMA456W_STEP_DETECTOR_EN, enable); rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); } return rslt; } /*! * @brief This API sets the water mark level for step counter interrupt in the * sensor. */ int8_t bma456w_step_counter_set_watermark(uint16_t step_counter_wm, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint8_t index = BMA456W_STEP_CNTR_OFFSET; uint16_t wm_lsb = 0; uint16_t wm_msb = 0; int8_t rslt; uint16_t data = 0; rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { wm_lsb = feature_config[index]; wm_msb = feature_config[index + 1] << 8; data = wm_lsb | wm_msb; /* Sets only water mark bits in the complete * 16 bits of data */ data = BMA4_SET_BITS_POS_0(data, BMA456W_STEP_CNTR_WM, step_counter_wm); /* Splits 16 bits of data to individual * 8 bits data */ feature_config[index] = BMA4_GET_LSB(data); feature_config[index + 1] = BMA4_GET_MSB(data); /* Writes step counter water mark settings * in the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); } return rslt; } /*! * @brief This API gets the water mark level set for step counter interrupt * in the sensor. */ int8_t bma456w_step_counter_get_watermark(uint16_t *step_counter_wm, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint8_t index = BMA456W_STEP_CNTR_OFFSET; uint16_t wm_lsb = 0; uint16_t wm_msb = 0; int8_t rslt = BMA4_OK; uint16_t data = 0; if (step_counter_wm != NULL) { rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { wm_lsb = feature_config[index]; wm_msb = feature_config[index + 1] << 8; data = wm_lsb | wm_msb; *step_counter_wm = BMA4_GET_BITS_POS_0(data, BMA456W_STEP_CNTR_WM); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API resets the counted steps of step counter. */ int8_t bma456w_reset_step_counter(struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Reset bit is 1 byte ahead of base address */ uint8_t index = BMA456W_STEP_CNTR_OFFSET + 1; int8_t rslt; rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { feature_config[index] = BMA4_SET_BITSLICE(feature_config[index], BMA456W_STEP_CNTR_RST, 1); rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); } return rslt; } /*! * @brief This API gets the number of counted steps of the step counter * feature from the sensor. */ int8_t bma456w_step_counter_output(uint32_t *step_count, struct bma4_dev *dev) { uint8_t data[BMA456W_STEP_CNTR_DATA_SIZE] = { 0 }; int8_t rslt = BMA4_OK; uint32_t step_count_0 = 0; uint32_t step_count_1 = 0; uint32_t step_count_2 = 0; uint32_t step_count_3 = 0; if (step_count != NULL) { /* Reads the step counter output data from the * gpio register */ rslt = bma4_read_regs(BMA4_STEP_CNT_OUT_0_ADDR, data, BMA456W_STEP_CNTR_DATA_SIZE, dev); if (rslt == BMA4_OK) { step_count_0 = (uint32_t)data[0]; step_count_1 = (uint32_t)data[1] << 8; step_count_2 = (uint32_t)data[2] << 16; step_count_3 = (uint32_t)data[3] << 24; *step_count = step_count_0 | step_count_1 | step_count_2 | step_count_3; } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API gets the output for activity feature. */ int8_t bma456w_activity_output(uint8_t *activity, struct bma4_dev *dev) { uint8_t data = 0; int8_t rslt = BMA4_OK; if (activity != NULL) { /* Reads the activity output from the gpio register */ rslt = bma4_read_regs(BMA4_ACTIVITY_OUT_ADDR, &data, 1, dev); if (rslt == BMA4_OK) { *activity = data; } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API gets the parameter1 to parameter7 settings of the step * counter feature. */ int8_t bma456w_stepcounter_get_parameter(struct bma456w_stepcounter_settings *setting, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint16_t *data_p = (uint16_t *)(void *)feature_config; int8_t rslt = BMA4_OK; if (setting != NULL) { rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { /* To convert 8bit to 16 bit address */ data_p = data_p + BMA456W_STEP_CNTR_PARAM_OFFSET / 2; extract_stepcounter_parameter(setting, data_p); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API sets the parameter1 to parameter7 settings of the step * counter feature in the sensor. */ int8_t bma456w_stepcounter_set_parameter(const struct bma456w_stepcounter_settings *setting, struct bma4_dev *dev) { uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; uint8_t index = BMA456W_STEP_CNTR_PARAM_OFFSET; int8_t rslt = BMA4_OK; if (setting != NULL) { rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { update_stepcounter_parameter(setting, index, feature_config); /* Writes step counter parameter settings * in the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API sets the wrist wear wakeup settings */ int8_t bma456w_set_wrist_wear_wakeup_param_config(const struct bma456w_wrist_wear_wakeup_params *setting, struct bma4_dev *dev) { /* Variable to define error */ int8_t rslt = BMA4_OK; /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to configure wrist wear wakeup */ uint8_t index = BMA456W_WRIST_WEAR_WAKEUP_PARAM_OFFSET; /* Variable to define LSB */ uint16_t lsb = 0; /* Variable to define MSB */ uint16_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; if (setting != NULL) { /* Get wrist wear wake up configuration from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { /* Set minimum angle focus value in feature configuration array */ feature_config[index++] = BMA4_GET_LSB(setting->min_angle_focus); feature_config[index++] = BMA4_GET_MSB(setting->min_angle_focus); /* Set minimum angle non focus value in feature configuration array */ feature_config[index++] = BMA4_GET_LSB(setting->min_angle_non_focus); feature_config[index++] = BMA4_GET_MSB(setting->min_angle_non_focus); /* Extract the word where angle landscape right and angle landscape left * resides */ lsb = feature_config[index]; msb = feature_config[index + 1] << 8; lsb_msb = lsb | msb; /* Set the angle landscape right in the same word */ lsb_msb = BMA4_SET_BITS_POS_0(lsb_msb, BMA456W_WRIST_WEAR_WAKEUP_ANG_LSCAPE_RHT, setting->angle_landscape_right); /* Set the angle landscape left in the same word */ lsb_msb = BMA4_SET_BITSLICE(lsb_msb, BMA456W_WRIST_WEAR_WAKEUP_ANG_LSCAPE_LEFT, setting->angle_landscape_left); /* Assign the word with set angle landscape right and left * value back to feature configuration array */ feature_config[index++] = BMA4_GET_LSB(lsb_msb); feature_config[index++] = BMA4_GET_MSB(lsb_msb); /* Extract the word where angle portrait down and angle portrait up * resides */ lsb = feature_config[index]; msb = feature_config[index + 1] << 8; lsb_msb = lsb | msb; /* Set the portrait down in the same word */ lsb_msb = BMA4_SET_BITS_POS_0(lsb_msb, BMA456W_WRIST_WEAR_WAKEUP_ANG_PORTRAIT_DOWN, setting->angle_portrait_down); /* Set the portrait up in the same word */ lsb_msb = BMA4_SET_BITSLICE(lsb_msb, BMA456W_WRIST_WEAR_WAKEUP_ANG_PORTRAIT_UP, setting->angle_portrait_up); /* Assign the word with set portrait down and portrait up * value back to feature configuration array */ feature_config[index++] = BMA4_GET_LSB(lsb_msb); feature_config[index++] = BMA4_GET_MSB(lsb_msb); /* Extract the word where minimum duration moved and minimum duration quite * resides */ lsb = feature_config[index]; msb = feature_config[index + 1] << 8; lsb_msb = lsb | msb; /* Set the minimum duration moved in the same word */ lsb_msb = BMA4_SET_BITS_POS_0(lsb_msb, BMA456W_WRIST_WEAR_WAKEUP_MIN_DUR_MOVED, setting->min_dur_moved); /* Set the minimum duration quite in the same word */ lsb_msb = BMA4_SET_BITSLICE(lsb_msb, BMA456W_WRIST_WEAR_WAKEUP_MIN_DUR_QUITE, setting->min_dur_quite); /* Assign the word with set minimum duration moved and minimum duration quite * value back to feature configuration array */ feature_config[index++] = BMA4_GET_LSB(lsb_msb); feature_config[index] = BMA4_GET_MSB(lsb_msb); /* Set wrist wear wakeup configuration to the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! * @brief This API gets the wrist wear wakeup settings */ int8_t bma456w_get_wrist_wear_wakeup_param_config(struct bma456w_wrist_wear_wakeup_params *setting, struct bma4_dev *dev) { /* Variable to define error */ int8_t rslt = BMA4_OK; /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to configure wrist wear wakeup */ uint8_t index = BMA456W_WRIST_WEAR_WAKEUP_PARAM_OFFSET; /* Variable to define LSB */ uint16_t lsb = 0; /* Variable to define MSB */ uint16_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; if (setting != NULL) { /* Get wrist wear wakeup configuration from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { /* Get minimum angle focus value in feature configuration array */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract minimum angle focus value */ setting->min_angle_focus = lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_MIN_ANG_FOCUS_MSK; /* Get minimum angle non focus value in feature configuration array */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract minimum angle non focus value */ setting->min_angle_non_focus = lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_MIN_ANG_NON_FOCUS_MSK; /* Get landscape right and landscape left in feature configuration array */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract landscape right value */ setting->angle_landscape_right = lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_ANG_LSCAPE_RHT_MSK; /* Extract landscape left value */ setting->angle_landscape_left = (lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_ANG_LSCAPE_LEFT_MSK) >> BMA456W_WRIST_WEAR_WAKEUP_ANG_LSCAPE_LEFT_POS; /* Get portrait down and portrait up value in feature configuration array */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract portrait down value */ setting->angle_portrait_down = lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_ANG_PORTRAIT_DOWN_MSK; /* Extract portrait up value */ setting->angle_portrait_up = (lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_ANG_PORTRAIT_UP_MSK) >> BMA456W_WRIST_WEAR_WAKEUP_ANG_PORTRAIT_UP_POS; /* Get min duration moved and min durtion quite value in feature configuration array */ lsb = (uint16_t)feature_config[index++]; msb = ((uint16_t)feature_config[index++] << 8); lsb_msb = lsb | msb; /* Extract min duration moved value */ setting->min_dur_moved = lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_MIN_DUR_MOVED_MSK; /* Extract min duration quite value */ setting->min_dur_quite = (lsb_msb & BMA456W_WRIST_WEAR_WAKEUP_MIN_DUR_QUITE_MSK) >> BMA456W_WRIST_WEAR_WAKEUP_MIN_DUR_QUITE_POS; } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! @cond DOXYGEN_SUPRESS */ /* Suppressing doxygen warnings triggered for same static function names present across various sensor variant * directories */ /*! * @brief This API enables the features of the sensor. */ static int8_t feature_enable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev) { uint8_t index = 0; int8_t rslt; /* Enable step counter */ if ((feature & BMA456W_STEP_CNTR) > 0) { index = BMA456W_STEP_CNTR_OFFSET + 1; feature_config[index] = feature_config[index] | BMA456W_STEP_CNTR_EN_MSK; } /* Enable step activity */ if ((feature & BMA456W_STEP_ACT) > 0) { index = BMA456W_STEP_CNTR_OFFSET + 1; feature_config[index] = feature_config[index] | BMA456W_STEP_ACT_EN_MSK; } /* Enable wrist wear wakeup */ if ((feature & BMA456W_WRIST_WEAR_WAKEUP) > 0) { index = BMA456W_WRIST_WEAR_WAKEUP_OFFSET; feature_config[index] = feature_config[index] | BMA456W_WRIST_WEAR_WAKEUP_EN_MSK; } /* Write the feature enable settings in the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev); return rslt; } /*! * @brief This API disables the features of the sensor. */ static int8_t feature_disable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev) { uint8_t index = 0; int8_t rslt; /* Disable step counter */ if ((feature & BMA456W_STEP_CNTR) > 0) { index = BMA456W_STEP_CNTR_OFFSET + 1; feature_config[index] = feature_config[index] & (~BMA456W_STEP_CNTR_EN_MSK); } /* Disable step activity */ if ((feature & BMA456W_STEP_ACT) > 0) { index = BMA456W_STEP_CNTR_OFFSET + 1; feature_config[index] = feature_config[index] & (~BMA456W_STEP_ACT_EN_MSK); } /* Disable wrist wear wakeup */ if ((feature & BMA456W_WRIST_WEAR_WAKEUP) > 0) { index = BMA456W_WRIST_WEAR_WAKEUP_OFFSET; feature_config[index] = feature_config[index] & (~BMA456W_WRIST_WEAR_WAKEUP_EN_MSK); } /* Write the configured settings in the sensor */ rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev); return rslt; } /*! * @brief This API update the settings of step counter. */ static void update_stepcounter_parameter(const struct bma456w_stepcounter_settings *setting, uint8_t index, uint8_t *feature_config) { feature_config[index++] = BMA4_GET_LSB(setting->param1); feature_config[index++] = BMA4_GET_MSB(setting->param1); feature_config[index++] = BMA4_GET_LSB(setting->param2); feature_config[index++] = BMA4_GET_MSB(setting->param2); feature_config[index++] = BMA4_GET_LSB(setting->param3); feature_config[index++] = BMA4_GET_MSB(setting->param3); feature_config[index++] = BMA4_GET_LSB(setting->param4); feature_config[index++] = BMA4_GET_MSB(setting->param4); feature_config[index++] = BMA4_GET_LSB(setting->param5); feature_config[index++] = BMA4_GET_MSB(setting->param5); feature_config[index++] = BMA4_GET_LSB(setting->param6); feature_config[index++] = BMA4_GET_MSB(setting->param6); feature_config[index++] = BMA4_GET_LSB(setting->param7); feature_config[index++] = BMA4_GET_MSB(setting->param7); feature_config[index++] = BMA4_GET_LSB(setting->param8); feature_config[index++] = BMA4_GET_MSB(setting->param8); feature_config[index++] = BMA4_GET_LSB(setting->param9); feature_config[index++] = BMA4_GET_MSB(setting->param9); feature_config[index++] = BMA4_GET_LSB(setting->param10); feature_config[index++] = BMA4_GET_MSB(setting->param10); feature_config[index++] = BMA4_GET_LSB(setting->param11); feature_config[index++] = BMA4_GET_MSB(setting->param11); feature_config[index++] = BMA4_GET_LSB(setting->param12); feature_config[index++] = BMA4_GET_MSB(setting->param12); feature_config[index++] = BMA4_GET_LSB(setting->param13); feature_config[index++] = BMA4_GET_MSB(setting->param13); feature_config[index++] = BMA4_GET_LSB(setting->param14); feature_config[index++] = BMA4_GET_MSB(setting->param14); feature_config[index++] = BMA4_GET_LSB(setting->param15); feature_config[index++] = BMA4_GET_MSB(setting->param15); feature_config[index++] = BMA4_GET_LSB(setting->param16); feature_config[index++] = BMA4_GET_MSB(setting->param16); feature_config[index++] = BMA4_GET_LSB(setting->param17); feature_config[index++] = BMA4_GET_MSB(setting->param17); feature_config[index++] = BMA4_GET_LSB(setting->param18); feature_config[index++] = BMA4_GET_MSB(setting->param18); feature_config[index++] = BMA4_GET_LSB(setting->param19); feature_config[index++] = BMA4_GET_MSB(setting->param19); feature_config[index++] = BMA4_GET_LSB(setting->param20); feature_config[index++] = BMA4_GET_MSB(setting->param20); feature_config[index++] = BMA4_GET_LSB(setting->param21); feature_config[index++] = BMA4_GET_MSB(setting->param21); feature_config[index++] = BMA4_GET_LSB(setting->param22); feature_config[index++] = BMA4_GET_MSB(setting->param22); feature_config[index++] = BMA4_GET_LSB(setting->param23); feature_config[index++] = BMA4_GET_MSB(setting->param23); feature_config[index++] = BMA4_GET_LSB(setting->param24); feature_config[index++] = BMA4_GET_MSB(setting->param24); feature_config[index++] = BMA4_GET_LSB(setting->param25); feature_config[index] = BMA4_GET_MSB(setting->param25); } /*! * @brief This API copy the settings of step counter into the structure of * bma456w_stepcounter_settings, which is read from sensor. */ static void extract_stepcounter_parameter(struct bma456w_stepcounter_settings *setting, const uint16_t *data_p) { setting->param1 = *(data_p++); setting->param2 = *(data_p++); setting->param3 = *(data_p++); setting->param4 = *(data_p++); setting->param5 = *(data_p++); setting->param6 = *(data_p++); setting->param7 = *(data_p++); setting->param8 = *(data_p++); setting->param9 = *(data_p++); setting->param10 = *(data_p++); setting->param11 = *(data_p++); setting->param12 = *(data_p++); setting->param13 = *(data_p++); setting->param14 = *(data_p++); setting->param15 = *(data_p++); setting->param16 = *(data_p++); setting->param17 = *(data_p++); setting->param18 = *(data_p++); setting->param19 = *(data_p++); setting->param20 = *(data_p++); setting->param21 = *(data_p++); setting->param22 = *(data_p++); setting->param23 = *(data_p++); setting->param24 = *(data_p++); setting->param25 = *data_p; } /*! * @brief This API is used to get the config file major and minor information. */ int8_t bma456w_get_version_config(uint16_t *config_major, uint16_t *config_minor, struct bma4_dev *dev) { /* Initialize configuration file */ uint8_t feature_config[BMA456W_FEATURE_SIZE] = { 0 }; /* Update index to config file version */ uint8_t index = BMA456W_CONFIG_ID_START_ADDR; /* Variable to define LSB */ uint8_t lsb = 0; /* Variable to define MSB */ uint8_t msb = 0; /* Variable to define LSB and MSB */ uint16_t lsb_msb = 0; /* Result of api are returned to this variable */ int8_t rslt = BMA4_OK; if ((config_major != NULL) && (config_minor != NULL)) { rslt = bma4_set_advance_power_save(BMA4_DISABLE, dev); if (rslt == BMA4_OK) { /* Wait for sensor time synchronization. Refer the data-sheet for * more information */ dev->delay_us(450, dev->intf_ptr); /* Get config file identification from the sensor */ rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA456W_FEATURE_SIZE, dev); if (rslt == BMA4_OK) { /* Get word to calculate config file identification */ lsb = feature_config[index++]; msb = feature_config[index++]; lsb_msb = (uint16_t)(msb << 8 | lsb); /* Get major and minor version */ *config_major = BMA4_GET_BITSLICE(lsb_msb, BMA4_CONFIG_MAJOR); *config_minor = BMA4_GET_BITS_POS_0(lsb, BMA4_CONFIG_MINOR); } } } else { rslt = BMA4_E_NULL_PTR; } return rslt; } /*! @endcond */