pinebuds/services/nvrecord/nvrecord_fp_account_key.c

/***************************************************************************
 *
 * Copyright 2015-2019 BES.
 * All rights reserved. All unpublished rights reserved.
 *
 * No part of this work may be used or reproduced in any form or by any
 * means, or stored in a database or retrieval system, without prior written
 * permission of BES.
 *
 * Use of this work is governed by a license granted by BES.
 * This work contains confidential and proprietary information of
 * BES. which is protected by copyright, trade secret,
 * trademark and other intellectual property rights.
 *
 ****************************************************************************/
#if !defined(NEW_NV_RECORD_ENABLED)

#include "nvrecord_fp_account_key.h"
#include "co_math.h"
#include "hal_trace.h"
#include "nvrecord.h"
#include <assert.h>

extern nv_record_struct nv_record_config;
static NV_FP_ACCOUNT_KEY_RECORD_T *nvrecord_fp_account_key_p = NULL;

NV_FP_ACCOUNT_KEY_RECORD_T *nv_record_get_fp_data_structure_info(void) {
  return nvrecord_fp_account_key_p;
}

void nv_record_update_fp_data_structure(NV_FP_ACCOUNT_KEY_RECORD_T *pFpData) {
  if (!memcmp((uint8_t *)pFpData, (uint8_t *)nvrecord_fp_account_key_p,
              sizeof(NV_FP_ACCOUNT_KEY_RECORD_T))) {
    // the updated fp data is the same as the local content, do nothing

  } else {
    TRACE(0, "Fast pair non-volatile data needs to be updated to aligned with "
             "peer device.");
    *nvrecord_fp_account_key_p = *pFpData;
    nv_record_update_runtime_userdata();
  }
}

void nv_record_fp_account_key_init(void) {
  if (NULL == nvrecord_fp_account_key_p) {
    nvrecord_fp_account_key_p =
        (NV_FP_ACCOUNT_KEY_RECORD_T *)nvrec_config_get_int(
            nv_record_config.config, (const char *)section_name_fp_account_key,
            (const char *)NV_RECORD_ACCOUNT_KEY, NVRAM_ACCOUNT_KEY_INVALID);
  }

  if ((NV_FP_ACCOUNT_KEY_RECORD_T *)NVRAM_ACCOUNT_KEY_INVALID ==
      nvrecord_fp_account_key_p) {
    nvrecord_fp_account_key_p = (NV_FP_ACCOUNT_KEY_RECORD_T *)pool_malloc(
        sizeof(NV_FP_ACCOUNT_KEY_RECORD_T));
    if (!nvrecord_fp_account_key_p) {
      ASSERT(0, "%s pool_malloc failed", __func__);
      return;
    }

    memset(nvrecord_fp_account_key_p, 0, sizeof(NV_FP_ACCOUNT_KEY_RECORD_T));

    nvrec_config_set_int(nv_record_config.config, section_name_fp_account_key,
                         (const char *)NV_RECORD_ACCOUNT_KEY,
                         (int)nvrecord_fp_account_key_p);
  }
}

void nv_record_fp_account_key_add(NV_FP_ACCOUNT_KEY_ENTRY_T *param_rec) {
  TRACE(0, "Add account key:");
  DUMP8("%02x ", param_rec->key, sizeof(NV_FP_ACCOUNT_KEY_ENTRY_T));

  if (FP_ACCOUNT_KEY_RECORD_NUM == nvrecord_fp_account_key_p->key_count) {
    // discard the earliest key
    memmove((uint8_t *)&(nvrecord_fp_account_key_p->accountKey[0]),
            (uint8_t *)&(nvrecord_fp_account_key_p->accountKey[1]),
            (FP_ACCOUNT_KEY_RECORD_NUM - 1) *
                sizeof(NV_FP_ACCOUNT_KEY_ENTRY_T));

    nvrecord_fp_account_key_p->key_count--;
  }

  memcpy((uint8_t *)&(nvrecord_fp_account_key_p
                          ->accountKey[nvrecord_fp_account_key_p->key_count]),
         param_rec, sizeof(NV_FP_ACCOUNT_KEY_ENTRY_T));

  nvrecord_fp_account_key_p->key_count++;

  nv_record_update_runtime_userdata();
}

void nv_record_fp_account_info_reset(void) {
  uint8_t size = nv_record_fp_account_key_count();
  for (uint8_t i = 0; i < size; i++) {
    memset((uint8_t *)&(nvrecord_fp_account_key_p->accountKey[i]), 0,
           sizeof(NV_FP_ACCOUNT_KEY_ENTRY_T));
  }
  nvrecord_fp_account_key_p->key_count = 0;

  nv_record_fp_update_name(NULL, 0);
}

void nv_record_fp_account_key_delete(void) {
  nv_record_fp_account_info_reset();
}

bool nv_record_fp_account_key_get_by_index(uint8_t index, uint8_t *outputKey) {
  if (nvrecord_fp_account_key_p->key_count < (index + 1)) {
    return false;
  }

  memcpy(outputKey, (uint8_t *)&(nvrecord_fp_account_key_p->accountKey[index]),
         sizeof(NV_FP_ACCOUNT_KEY_ENTRY_T));

  TRACE(1, "Get account key %d as:", index);
  DUMP8("%02x ", outputKey, sizeof(NV_FP_ACCOUNT_KEY_ENTRY_T));

  return true;
}

uint8_t nv_record_fp_account_key_count(void) {
  return nvrecord_fp_account_key_p->key_count;
}

void nv_record_fp_update_name(uint8_t *ptrName, uint32_t nameLen) {
  TRACE(1, "update name len %d", nameLen);

  memset(nvrecord_fp_account_key_p->name, 0, FP_MAX_NAME_LEN);
  if (nameLen > 0) {
    DUMP8("0x%02x ", ptrName, nameLen);
    memcpy(nvrecord_fp_account_key_p->name, ptrName, nameLen);
  }
  nvrecord_fp_account_key_p->nameLen = nameLen;
  nv_record_update_runtime_userdata();
}

uint8_t *nv_record_fp_get_name_ptr(uint32_t *ptrNameLen) {
  *ptrNameLen = nvrecord_fp_account_key_p->nameLen;
  return nvrecord_fp_account_key_p->name;
}
#endif //#if !defined(NEW_NV_RECORD_ENABLED)