ipc_sensorhub.h

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/*******************************************************************************
 * File Name: ipc_sensorhub.h
 *
 * Description: CM55 IPC receiver for sensor data from CM33_NS MicroPython.
 *              Stores latest sensor samples from all sensors.
 *              Thread-safe: ISR writes volatile data, getters read snapshots.
 *
 *******************************************************************************/
 
#ifndef IPC_SENSORHUB_H
#define IPC_SENSORHUB_H
 
#include "ipc_communication.h"
#include <stdbool.h>
#include <stdint.h>
 
/* Snapshot of all sensor data with change-detection flags */
typedef struct {
    /* BMI270 IMU */
    ipc_sensor_bmi270_t bmi270;
    bool has_bmi270;
    bool bmi270_changed;
 
    /* DPS368 Barometric Pressure (AI Kit) */
    ipc_sensor_dps368_t dps368;
    bool has_dps368;
    bool dps368_changed;
 
    /* SHT40 Humidity + Temperature (AI Kit) */
    ipc_sensor_sht40_t sht40;
    bool has_sht40;
    bool sht40_changed;
 
    /* BMM350 Magnetometer */
    ipc_sensor_bmm350_t bmm350;
    bool has_bmm350;
    bool bmm350_changed;
 
    /* CapSense Touch (requires base board) */
    ipc_sensor_capsense_t capsense;
    bool has_capsense;
    bool capsense_changed;
 
    /* Potentiometer (requires base board) */
    ipc_sensor_pot_t pot;
    bool has_pot;
    bool pot_changed;
 
    /* GPIO LED State bitmask (both BSPs) */
    uint8_t led_state_bitmask;
    bool has_led_state;
    bool led_state_changed;
} sensorhub_snapshot_t;

bool ipc_sensorhub_init(void);

void ipc_sensorhub_snapshot(sensorhub_snapshot_t *snap);
 
/*******************************************************************************
 * WiFi State + Time (pushed from CM33_NS via IPC, zero I2C involvement)
 ******************************************************************************/

bool ipc_sensorhub_wifi_connected(void);

bool ipc_sensorhub_weather(weather_ipc_t *out);

bool ipc_sensorhub_ble_connected(void);

bool ipc_sensorhub_ntp_synced(void);

bool ipc_sensorhub_get_time_str(char *buf, size_t buf_size);
 
/*******************************************************************************
 * Local Feed API — inject sensor data directly from CM55 (Eva Kit).
 * On Eva Kit, CM33_NS cannot access SCB0 I2C (display owns it).
 * CM55 reads sensors locally and feeds data here instead of via IPC.
 ******************************************************************************/
void ipc_sensorhub_feed_bmi270(const ipc_sensor_bmi270_t *data);
void ipc_sensorhub_feed_bmm350(const ipc_sensor_bmm350_t *data);

bool ipc_sensorhub_ntp_synced(void);
 
void ipc_sensorhub_feed_capsense(const ipc_sensor_capsense_t *data);
void ipc_sensorhub_feed_pot(const ipc_sensor_pot_t *data);
 
#endif /* IPC_SENSORHUB_H */