plat_i2c_target.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef PLAT_I2C_SLAVE_H
#define PLAT_I2C_SLAVE_H
 
#include <drivers/i2c.h>
#include "hal_i2c_target.h"
 
#define TARGET_ENABLE 1
#define TARGET_DISABLE 0
 
#endif
 
typedef struct __attribute__((__packed__)) {
    uint8_t sensor_index_offset; // Sensor index offset (e.g. PDR sensor index offset)
    uint32_t sensor_value; // Sensor value (4 bytes)
} sensor_entry;
 
typedef struct __attribute__((__packed__)) {
    uint8_t device_type; // Device type (Aegis = 0x01, Rainbow = 0x02, Electra = 0x03, etc.)
    uint8_t register_layout_version; // Register layout version (e.g. VERSION_1 = 0x01)
    uint16_t sensor_base_index; // Sensor base index (SBI)
    uint8_t max_sbi_off; // Max sensor base index offset in this register (0 <= MAX_SBI_OFF <= 49)
    // The following is a flexible array of sensor entries.
    // The number of entries is (max_sbi_off + 1)
    sensor_entry sensor_entries[];
} plat_sensor_reading;
 
void update_sensor_reading_by_sensor_number(uint8_t sensor_number);
int get_cached_sensor_reading_by_sensor_number(uint8_t sensor_number);