nbus/Inc/nbus_memory.h

/*
 * nbus_memory.h
 *
 *  Created on: Nov 4, 2023
 *      Author: juraj
 */

#ifndef MODULES_NBUS_INC_NBUS_MEMORY_H_
#define MODULES_NBUS_INC_NBUS_MEMORY_H_

#include "mcu_platform.h"

#define ERROR_VALUE_I32 0x7FFFFFFF
#define MODULE_SENSORS_ADDRESS_OFFSET 64
#define MODULE_PARAMS_COUNT 16
#define MODULE_PARAM_SIZE 4

#define GET_PARAM_ADDRESS(sensor, param)                                       \
  (MODULE_SENSORS_ADDRESS_OFFSET +                                             \
   (sensor)*MODULE_PARAMS_COUNT * MODULE_PARAM_SIZE +                          \
   (param)*MODULE_PARAM_SIZE)

#define PARAMETER_VALID 0b10
#define PARAMETER_UNSET 0b01

typedef struct {
  uint8_t (*init)(void *, uint16_t);
  uint32_t (*read_word)(uint16_t);
  uint16_t (*read_half_word)(uint16_t);
  uint8_t (*read_byte)(uint16_t);

  /**
   * @brief Zapíše 4B/2B/1B hodnotu na adresu
   * @param uint32_t data dáta
   * @param uint16_t address adresa v pamati. Povolený rozsah: 0-0x09FF
   * @param uint8_t length dĺžka zapisovaných dát
   */
  uint8_t (*write_data)(uint8_t *data, uint16_t address, uint8_t length);
  uint8_t (*read_id)(uint8_t *);
  uint32_t (*get_capacity)(void);
} nBus_MemoryDriver;

typedef enum {
  MEMORY_STORE_FAIL,
  MEMORY_STORE_OK,
} nBus_memoryState_t;

typedef struct {
  uint8_t (*storeParam)(uint8_t sensor_index, uint8_t param_name,
                        uint32_t param_value);
  uint32_t (*readParam)(uint8_t sensor_index, uint8_t param_name);
  uint8_t (*isParamActive)(uint8_t sensor_index, uint8_t param_name);
  void (*readHeaderData)(void);
  uint8_t (*getId)(uint8_t *);
  uint32_t (*getCapacity)(void);
} nBus_memoryInterface_t;

typedef struct __attribute__((packed)) {
  uint8_t param0 : 2;
  uint8_t param1 : 2;
  uint8_t param2 : 2;
  uint8_t param3 : 2;
} nBus_MemorySensorParam_t;

typedef struct {
  nBus_MemorySensorParam_t params_map[64];
} nBus_memoryHeader_t;

nBus_memoryInterface_t *getnbusMemoryInterface(void);

void nbus_memory_init(nBus_MemoryDriver *driver);
/**
 * @brief Store sensor parameter.
 */
nBus_memoryState_t nbus_memory_store_param(uint8_t sensor_index, uint8_t param_name,
                                    uint32_t param_value);
uint32_t nbus_memory_read_param(uint8_t sensor_index, uint8_t param_name);
uint8_t nbus_memory_id(uint8_t *);
uint32_t nbus_get_capacity(void);
void nbus_read_header_data(void);
void memory_params_format(void);

uint8_t nbus_is_param_active(uint8_t sensor_index, uint8_t param_name);

uint8_t getParameterHeaderOffset(uint8_t sensor_index, uint8_t param_name);

#endif /* MODULES_NBUS_INC_NBUS_MEMORY_H_ */