/** * Copyright (c) 2021 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 bmi270_maximum_fifo.c * @date 2021-09-30 * @version v2.71.8 * */ /***************************************************************************/ /*! Header files ****************************************************************************/ #include "bmi270_maximum_fifo.h" /***************************************************************************/ /*! Global Variable ****************************************************************************/ /*! @name Global array that stores the configuration file of BMI270 */ const uint8_t bmi270_maximum_fifo_config_file[] = { 0xc8, 0x2e, 0x00, 0x2e, 0x80, 0x2e, 0x1a, 0x00, 0xc8, 0x2e, 0x00, 0x2e, 0xc8, 0x2e, 0x00, 0x2e, 0xc8, 0x2e, 0x00, 0x2e, 0xc8, 0x2e, 0x00, 0x2e, 0xc8, 0x2e, 0x00, 0x2e, 0xc8, 0x2e, 0x00, 0x2e, 0x90, 0x32, 0x21, 0x2e, 0x59, 0xf5, 0x10, 0x30, 0x21, 0x2e, 0x6a, 0xf5, 0x1a, 0x24, 0x22, 0x00, 0x80, 0x2e, 0x3b, 0x00, 0xc8, 0x2e, 0x44, 0x47, 0x22, 0x00, 0x37, 0x00, 0xa4, 0x00, 0xff, 0x0f, 0xd1, 0x00, 0x07, 0xad, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x24, 0xfc, 0xf5, 0x80, 0x30, 0x40, 0x42, 0x50, 0x50, 0x00, 0x30, 0x12, 0x24, 0xeb, 0x00, 0x03, 0x30, 0x00, 0x2e, 0xc1, 0x86, 0x5a, 0x0e, 0xfb, 0x2f, 0x21, 0x2e, 0xfc, 0xf5, 0x13, 0x24, 0x63, 0xf5, 0xe0, 0x3c, 0x48, 0x00, 0x22, 0x30, 0xf7, 0x80, 0xc2, 0x42, 0xe1, 0x7f, 0x3a, 0x25, 0xfc, 0x86, 0xf0, 0x7f, 0x41, 0x33, 0x98, 0x2e, 0xc2, 0xc4, 0xd6, 0x6f, 0xf1, 0x30, 0xf1, 0x08, 0xc4, 0x6f, 0x11, 0x24, 0xff, 0x03, 0x12, 0x24, 0x00, 0xfc, 0x61, 0x09, 0xa2, 0x08, 0x36, 0xbe, 0x2a, 0xb9, 0x13, 0x24, 0x38, 0x00, 0x64, 0xbb, 0xd1, 0xbe, 0x94, 0x0a, 0x71, 0x08, 0xd5, 0x42, 0x21, 0xbd, 0x91, 0xbc, 0xd2, 0x42, 0xc1, 0x42, 0x00, 0xb2, 0xfe, 0x82, 0x05, 0x2f, 0x50, 0x30, 0x21, 0x2e, 0x21, 0xf2, 0x00, 0x2e, 0x00, 0x2e, 0xd0, 0x2e, 0xf0, 0x6f, 0x02, 0x30, 0x02, 0x42, 0x20, 0x26, 0xe0, 0x6f, 0x02, 0x31, 0x03, 0x40, 0x9a, 0x0a, 0x02, 0x42, 0xf0, 0x37, 0x05, 0x2e, 0x5e, 0xf7, 0x10, 0x08, 0x12, 0x24, 0x1e, 0xf2, 0x80, 0x42, 0x83, 0x84, 0xf1, 0x7f, 0x0a, 0x25, 0x13, 0x30, 0x83, 0x42, 0x3b, 0x82, 0xf0, 0x6f, 0x00, 0x2e, 0x00, 0x2e, 0xd0, 0x2e, 0x12, 0x40, 0x52, 0x42, 0x00, 0x2e, 0x12, 0x40, 0x52, 0x42, 0x3e, 0x84, 0x00, 0x40, 0x40, 0x42, 0x7e, 0x82, 0xe1, 0x7f, 0xf2, 0x7f, 0x98, 0x2e, 0x6a, 0xd6, 0x21, 0x30, 0x23, 0x2e, 0x61, 0xf5, 0xeb, 0x2c, 0xe1, 0x6f }; /*! @name Global array that stores the feature input configuration of BMI270 */ const struct bmi2_feature_config bmi270_maximum_fifo_feat_in[BMI270_MAXIMUM_FIFO_MAX_FEAT_IN] = { }; /*! @name Global array that stores the feature output configuration */ const struct bmi2_feature_config bmi270_maximum_fifo_feat_out[BMI270_MAXIMUM_FIFO_MAX_FEAT_OUT] = { }; /******************************************************************************/ /*! Local Function Prototypes ******************************************************************************/ /*! * @brief This internal API is used to validate the device pointer for * null conditions. * * @param[in] dev : Structure instance of bmi2_dev. * * @return Result of API execution status * @retval 0 -> Success * @retval < 0 -> Fail */ static int8_t null_ptr_check(const struct bmi2_dev *dev); /***************************************************************************/ /*! User Interface Definitions ****************************************************************************/ /*! * @brief This API: * 1) updates the device structure with address of the configuration file. * 2) Initializes BMI270 sensor. * 3) Writes the configuration file. * 4) Updates the feature offset parameters in the device structure. * 5) Updates the maximum number of pages, in the device structure. */ int8_t bmi270_maximum_fifo_init(struct bmi2_dev *dev) { /* Variable to define result */ int8_t rslt; /* Null-pointer check */ rslt = null_ptr_check(dev); if (rslt == BMI2_OK) { /* Assign chip id of BMI270 */ dev->chip_id = BMI270_MAXIMUM_FIFO_CHIP_ID; dev->config_size = sizeof(bmi270_maximum_fifo_config_file); /* Enable the variant specific features if any */ dev->variant_feature = BMI2_GYRO_CROSS_SENS_ENABLE | BMI2_MAXIMUM_FIFO_VARIANT; /* An extra dummy byte is read during SPI read */ if (dev->intf == BMI2_SPI_INTF) { dev->dummy_byte = 1; } else { dev->dummy_byte = 0; } /* If configuration file pointer is not assigned any address */ if (!dev->config_file_ptr) { /* Give the address of the configuration file array to * the device pointer */ dev->config_file_ptr = bmi270_maximum_fifo_config_file; } /* Initialize BMI2 sensor */ rslt = bmi2_sec_init(dev); if (rslt == BMI2_OK) { /* Assign the offsets of the feature input * configuration to the device structure */ dev->feat_config = bmi270_maximum_fifo_feat_in; /* Assign the offsets of the feature output to * the device structure */ dev->feat_output = bmi270_maximum_fifo_feat_out; /* Assign the maximum number of pages to the * device structure */ dev->page_max = BMI270_MAXIMUM_FIFO_MAX_PAGE_NUM; /* Assign maximum number of input sensors/ * features to device structure */ dev->input_sens = BMI270_MAXIMUM_FIFO_MAX_FEAT_IN; /* Assign maximum number of output sensors/ * features to device structure */ dev->out_sens = BMI270_MAXIMUM_FIFO_MAX_FEAT_OUT; /* Get the gyroscope cross axis sensitivity */ rslt = bmi2_get_gyro_cross_sense(dev); } } return rslt; } /***************************************************************************/ /*! Local Function Definitions ****************************************************************************/ /*! * @brief This internal API is used to validate the device structure pointer for * null conditions. */ static int8_t null_ptr_check(const struct bmi2_dev *dev) { /* Variable to define result */ int8_t rslt = BMI2_OK; if ((dev == NULL) || (dev->read == NULL) || (dev->write == NULL) || (dev->delay_us == NULL)) { /* Device structure pointer is not valid */ rslt = BMI2_E_NULL_PTR; } return rslt; }