/**\ * Copyright (c) 2022 Bosch Sensortec GmbH. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause **/ #include #include "bma456h.h" #include "common.h" /******************************************************************************/ /*! Function */ /* This function starts the execution of program. */ int main(void) { /* Variable to store the status of API */ int8_t rslt; /* Sensor initialization configuration */ struct bma4_dev bma = { 0 }; /* Variable to hold iteration value */ uint8_t loop = 1; /* Variable to store step activity interrupt status */ uint16_t int_status = 0; struct bma456h_out_state activity_output = { 0 }; /* Interface reference is given as a parameter * For I2C : BMA4_I2C_INTF * For SPI : BMA4_SPI_INTF * Variant information given as parameter - BMA45X_VARIANT */ rslt = bma4_interface_init(&bma, BMA4_I2C_INTF, BMA45X_VARIANT); bma4_error_codes_print_result("bma4_interface_init", rslt); /* Sensor initialization */ rslt = bma456h_init(&bma); bma4_error_codes_print_result("bma456h_init status", rslt); /* Upload the configuration file to enable the features of the sensor */ rslt = bma456h_write_config_file(&bma); bma4_error_codes_print_result("bma456h_write_config status", rslt); /* Enable the accelerometer */ rslt = bma4_set_accel_enable(BMA4_ENABLE, &bma); bma4_error_codes_print_result("bma4_set_accel_enable status", rslt); if (rslt == BMA4_OK) { /* Enabling step activity feature */ rslt = bma456h_feature_enable(BMA456H_STEP_ACTIVITY_EN, BMA4_ENABLE, &bma); bma4_error_codes_print_result("bma456h_feature_enable status", rslt); if (rslt == BMA4_OK) { /* Map the interrupt pin 1 for step counter */ rslt = bma456h_map_interrupt(BMA4_INTR1_MAP, BMA456H_ACTIVITY_INT, BMA4_ENABLE, &bma); bma4_error_codes_print_result("bma456h_map_interrupt status", rslt); } if (rslt == BMA4_OK) { printf("Move the board in steps to perform step activity\n"); while (loop <= 5) { /* Read interrupt status */ rslt = bma456h_read_int_status(&int_status, &bma); bma4_error_codes_print_result("bma456h_read_int_status", rslt); /* Filtering only the activity interrupt */ if ((rslt == BMA4_OK) && (int_status & BMA456H_ACTIVITY_INT)) { printf("\nIteration : %d\n", loop); /* Get step activity output */ rslt = bma456h_output_state(&activity_output, &bma); if (rslt == BMA4_OK) { printf("The Activity output is %d\n", activity_output.activity_type); switch (activity_output.activity_type) { case BMA456H_USER_STATIONARY: printf("User state is stationary\n"); break; case BMA456H_USER_WALKING: printf("User state is walking\n"); break; case BMA456H_USER_RUNNING: printf("User state is running\n"); break; case BMA456H_UNKNOWN_ACTVTY: printf("User state is invalid state\n"); break; default: break; } loop++; } } int_status = 0; } } } bma4_coines_deinit(); return rslt; }