#ifndef BOSCH456_H
#define BOSCH456_H

/**
 * Powerpod driver for Bosch BMA456H (hearable variant) on the shared I2C bus.
 *
 * Vendor API: components/bma456 (bma4.c + bma456h.c only).
 * Implementation: bosch456.c
 */

#include "driver/i2c_types.h"
#include "esp_err.h"

/** 7-bit I2C address (SDO low). */
#define BMA456_I2C_ADDR 0x18

/** Sensor interrupt line → ESP32 GPIO (active high, rising edge). */
#define BMA456_INT_GPIO 10

/** Software filter: log accel only when |axis - last| > deadzone (raw LSB). */
#define BMA456_DEFAULT_ACCEL_DEADZONE 100u

/**
 * Probe and configure the sensor on bus_handle (100 kHz device).
 * On failure the device is removed and ESP_ERR_NOT_FOUND / ESP_FAIL is returned;
 * firmware continues without a sensor (see bma456_is_ready()).
 */
esp_err_t init_bma456(i2c_master_bus_handle_t bus_handle);

bool bma456_is_ready(void);

void bma456_set_accel_deadzone(uint32_t deadzone_lsb);
uint32_t bma456_get_accel_deadzone(void);

/** Log accel when any axis moved more than deadzone since last reported sample. */
void bma456_report_accel_if_changed(int16_t x, int16_t y, int16_t z);

#endif