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>
126 lines
4.2 KiB
C
126 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 "bma456mm.h"
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#include "common.h"
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/******************************************************************************/
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/*! Function */
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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 tap interrupt status */
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uint16_t int_status = 0;
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/* Loop variable */
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uint8_t loop = 10;
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struct bma456mm_out_state tap_out = { 0 };
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struct bma456mm_multitap_settings settings = { 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 = bma456mm_init(&bma);
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bma4_error_codes_print_result("bma456mm_init status", rslt);
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/* Upload the configuration file to enable the features of the sensor. */
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rslt = bma456mm_write_config_file(&bma);
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bma4_error_codes_print_result("bma456mm_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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if (rslt == BMA4_OK)
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{
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/* Map the interrupt pin 1 for tap detection */
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rslt = bma456mm_map_interrupt(BMA4_INTR1_MAP, BMA456MM_TAP_OUT_INT, BMA4_ENABLE, &bma);
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bma4_error_codes_print_result("bma456mm_map_interrupt status", rslt);
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if (rslt == BMA4_OK)
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{
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/* Enabling the single, double and triple tap features */
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rslt = bma456mm_feature_enable((BMA456MM_SINGLE_TAP | BMA456MM_DOUBLE_TAP | BMA456MM_TRIPLE_TAP),
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BMA4_ENABLE,
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&bma);
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bma4_error_codes_print_result("bma456mm_feature_enable status", rslt);
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if (rslt == BMA4_OK)
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{
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/* Getting tap parameters settings */
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rslt = bma456mm_tap_get_parameter(&settings, &bma);
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bma4_error_codes_print_result("bma456mm_tap_get_parameter status", rslt);
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}
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}
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if (rslt == BMA4_OK)
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{
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printf("Tap the board either single, double or triple tap\n");
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while (loop > 0)
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{
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/* Read interrupt status */
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rslt = bma456mm_read_int_status(&int_status, &bma);
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bma4_error_codes_print_result("bma456mm_read_int_status", rslt);
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/* Filtering only the tap interrupt */
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if ((rslt == BMA4_OK) && (int_status & BMA456MM_TAP_OUT_INT))
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{
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rslt = bma456mm_output_state(&tap_out, &bma);
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if (BMA4_OK == rslt)
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{
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/* Enters only if the obtained interrupt is single-tap */
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if (tap_out.s_tap)
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{
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printf("Single Tap interrupt occurred\n");
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}
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/* Enters only if the obtained interrupt is double-tap */
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else if (tap_out.d_tap)
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{
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printf("Double Tap interrupt occurred\n");
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}
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/* Enters only if the obtained interrupt is triple-tap */
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else if (tap_out.t_tap)
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{
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printf("Triple Tap interrupt occurred\n");
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}
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loop--;
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}
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int_status = 0;
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}
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}
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/* Break out of the loop when iteration has reached zero */
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if (loop == 0)
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{
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printf("Iterations are done. Exiting !\n\n");
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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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