simon
e5db0b21c7
Probe and configure the sensor when present; log and continue boot if init fails so boards without BMA456 still run normally. Co-authored-by: Cursor <cursoragent@cursor.com>
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/**\
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* Copyright (c) 2022 Bosch Sensortec GmbH. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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**/
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#include <stdio.h>
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#include "bma456_an.h"
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#include "common.h"
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/******************************************************************************/
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/*! Static Function Declaration */
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/*!
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* @brief This internal API is used to get no-motion configurations.
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*
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* @param[in] bma : Structure instance of bma4_dev.
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*
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* @return Status of execution.
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*/
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static int8_t get_any_no_mot_config(struct bma4_dev *bma);
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/******************************************************************************/
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/*! Functions */
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/* This function starts the execution of program. */
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int main(void)
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{
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/* Variable to store the status of API */
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int8_t rslt;
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/* Sensor initialization configuration */
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struct bma4_dev bma = { 0 };
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/* Variable to store any/no-motion interrupt status */
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uint16_t int_status = 0;
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/* Interface reference is given as a parameter
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* For I2C : BMA4_I2C_INTF
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* For SPI : BMA4_SPI_INTF
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* Variant information given as parameter - BMA45X_VARIANT
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*/
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rslt = bma4_interface_init(&bma, BMA4_I2C_INTF, BMA45X_VARIANT);
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bma4_error_codes_print_result("bma4_interface_init", rslt);
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/* Sensor initialization */
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rslt = bma456_an_init(&bma);
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bma4_error_codes_print_result("bma456_an_init status", rslt);
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/* Upload the configuration file to enable the features of the sensor. */
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rslt = bma456_an_write_config_file(&bma);
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bma4_error_codes_print_result("bma456_an_write_config status", rslt);
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/* Enable the accelerometer */
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rslt = bma4_set_accel_enable(BMA4_ENABLE, &bma);
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bma4_error_codes_print_result("bma4_set_accel_enable status", rslt);
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/* Map the interrupt 1 for no-motion */
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rslt = bma456_an_map_interrupt(BMA4_INTR1_MAP, BMA456_AN_NO_MOT_INT, BMA4_ENABLE, &bma);
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bma4_error_codes_print_result("bma456_an_map_interrupt status", rslt);
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/* Get no-motion configurations */
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rslt = get_any_no_mot_config(&bma);
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bma4_error_codes_print_result("get_any_no_mot_config status", rslt);
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printf("Do not shake the board for no-motion interrupt\n");
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for (;;)
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{
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/* Read interrupt status */
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rslt = bma456_an_read_int_status(&int_status, &bma);
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bma4_error_codes_print_result("bma456_an_read_int_status", rslt);
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if (rslt == BMA4_OK)
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{
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/* Enters only if the obtained interrupt is no-motion */
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if (int_status & BMA456_AN_NO_MOT_INT)
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{
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printf("No-motion interrupt occurred\n");
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break;
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}
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}
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}
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bma4_coines_deinit();
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return rslt;
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}
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/*!
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* @brief This internal API is used to get any/no-motion configurations.
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*/
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static int8_t get_any_no_mot_config(struct bma4_dev *bma)
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{
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/* Variable to store the status of API */
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int8_t rslt;
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/* Structure to define any/no-motion configurations */
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struct bma456_an_any_no_mot_config any_no_mot = { 0 };
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/* Getting no-motion configuration to get default configuration */
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rslt = bma456_an_get_no_mot_config(&any_no_mot, bma);
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bma4_error_codes_print_result("bma456_an_get_no_mot_config status", rslt);
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if (rslt == BMA4_OK)
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{
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/*
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* Set the slope threshold:
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* Interrupt will be generated if the slope of all the axis exceeds the threshold (1 bit = 0.48mG)
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*/
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any_no_mot.threshold = 10;
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/*
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* Set the duration for no-motion interrupt:
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* Duration defines the number of consecutive data points for which threshold condition must be
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* true(1 bit = 20ms)
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*/
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any_no_mot.duration = 4;
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/* Enabling X, Y, and Z axis for no-motion feature */
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any_no_mot.axes_en = BMA456_AN_EN_ALL_AXIS;
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/* Like threshold and duration, we can also change the config of int_bhvr */
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/* Set the threshold and duration configuration */
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rslt = bma456_an_set_no_mot_config(&any_no_mot, bma);
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bma4_error_codes_print_result("bma456_an_set_no_mot_config status", rslt);
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}
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return rslt;
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}
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