mirror of
https://github.com/h2zero/esp-nimble-cpp.git
synced 2024-12-23 11:30:45 +01:00
44977cdcce
This function is not required as the stack will return an error code in the case of invalid params.
479 lines
22 KiB
C++
479 lines
22 KiB
C++
/*
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* NimBLEUtils.cpp
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*
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* Created: on Jan 25 2020
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* Author H2zero
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*
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*/
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#include "nimconfig.h"
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#if defined(CONFIG_BT_ENABLED)
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#include "NimBLEUtils.h"
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#include "NimBLELog.h"
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#include <stdlib.h>
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static const char* LOG_TAG = "NimBLEUtils";
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/**
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* @brief Converts a return code from the NimBLE stack to a text string.
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* @param [in] rc The return code to convert.
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* @return A string representation of the return code.
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*/
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const char* NimBLEUtils::returnCodeToString(int rc) {
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#if defined(CONFIG_NIMBLE_CPP_ENABLE_RETURN_CODE_TEXT)
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switch(rc) {
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case 0:
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return "SUCCESS";
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case BLE_HS_EAGAIN:
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return "Temporary failure; try again.";
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case BLE_HS_EALREADY:
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return "Operation already in progress or completed.";
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case BLE_HS_EINVAL:
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return "One or more arguments are invalid.";
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case BLE_HS_EMSGSIZE:
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return "The provided buffer is too small.";
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case BLE_HS_ENOENT:
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return "No entry matching the specified criteria.";
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case BLE_HS_ENOMEM:
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return "Operation failed due to resource exhaustion.";
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case BLE_HS_ENOTCONN:
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return "No open connection with the specified handle.";
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case BLE_HS_ENOTSUP:
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return "Operation disabled at compile time.";
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case BLE_HS_EAPP:
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return "Application callback behaved unexpectedly.";
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case BLE_HS_EBADDATA:
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return "Command from peer is invalid.";
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case BLE_HS_EOS:
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return "Mynewt OS error.";
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case BLE_HS_ECONTROLLER:
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return "Event from controller is invalid.";
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case BLE_HS_ETIMEOUT:
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return "Operation timed out.";
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case BLE_HS_EDONE:
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return "Operation completed successfully.";
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case BLE_HS_EBUSY:
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return "Operation cannot be performed until procedure completes.";
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case BLE_HS_EREJECT:
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return "Peer rejected a connection parameter update request.";
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case BLE_HS_EUNKNOWN:
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return "Unexpected failure; catch all.";
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case BLE_HS_EROLE:
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return "Operation requires different role (e.g., central vs. peripheral).";
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case BLE_HS_ETIMEOUT_HCI:
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return "HCI request timed out; controller unresponsive.";
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case BLE_HS_ENOMEM_EVT:
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return "Controller failed to send event due to memory exhaustion (combined host-controller only).";
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case BLE_HS_ENOADDR:
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return "Operation requires an identity address but none configured.";
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case BLE_HS_ENOTSYNCED:
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return "Attempt to use the host before it is synced with controller.";
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case BLE_HS_EAUTHEN:
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return "Insufficient authentication.";
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case BLE_HS_EAUTHOR:
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return "Insufficient authorization.";
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case BLE_HS_EENCRYPT:
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return "Insufficient encryption level.";
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case BLE_HS_EENCRYPT_KEY_SZ:
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return "Insufficient key size.";
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case BLE_HS_ESTORE_CAP:
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return "Storage at capacity.";
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case BLE_HS_ESTORE_FAIL:
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return "Storage IO error.";
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case (0x0100+BLE_ATT_ERR_INVALID_HANDLE ):
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return "The attribute handle given was not valid on this server.";
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case (0x0100+BLE_ATT_ERR_READ_NOT_PERMITTED ):
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return "The attribute cannot be read.";
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case (0x0100+BLE_ATT_ERR_WRITE_NOT_PERMITTED ):
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return "The attribute cannot be written.";
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case (0x0100+BLE_ATT_ERR_INVALID_PDU ):
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return "The attribute PDU was invalid.";
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case (0x0100+BLE_ATT_ERR_INSUFFICIENT_AUTHEN ):
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return "The attribute requires authentication before it can be read or written.";
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case (0x0100+BLE_ATT_ERR_REQ_NOT_SUPPORTED ):
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return "Attribute server does not support the request received from the client.";
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case (0x0100+BLE_ATT_ERR_INVALID_OFFSET ):
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return "Offset specified was past the end of the attribute.";
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case (0x0100+BLE_ATT_ERR_INSUFFICIENT_AUTHOR ):
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return "The attribute requires authorization before it can be read or written.";
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case (0x0100+BLE_ATT_ERR_PREPARE_QUEUE_FULL ):
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return "Too many prepare writes have been queued.";
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case (0x0100+BLE_ATT_ERR_ATTR_NOT_FOUND ):
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return "No attribute found within the given attribute handle range.";
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case (0x0100+BLE_ATT_ERR_ATTR_NOT_LONG ):
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return "The attribute cannot be read or written using the Read Blob Request.";
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case (0x0100+BLE_ATT_ERR_INSUFFICIENT_KEY_SZ ):
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return "The Encryption Key Size used for encrypting this link is insufficient.";
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case (0x0100+BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN ):
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return "The attribute value length is invalid for the operation.";
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case (0x0100+BLE_ATT_ERR_UNLIKELY ):
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return "The attribute request has encountered an error that was unlikely, could not be completed as requested.";
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case (0x0100+BLE_ATT_ERR_INSUFFICIENT_ENC ):
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return "The attribute requires encryption before it can be read or written.";
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case (0x0100+BLE_ATT_ERR_UNSUPPORTED_GROUP ):
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return "The attribute type is not a supported grouping attribute as defined by a higher layer specification.";
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case (0x0100+BLE_ATT_ERR_INSUFFICIENT_RES ):
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return "Insufficient Resources to complete the request.";
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case (0x0200+BLE_ERR_UNKNOWN_HCI_CMD ):
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return "Unknown HCI Command";
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case (0x0200+BLE_ERR_UNK_CONN_ID ):
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return "Unknown Connection Identifier";
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case (0x0200+BLE_ERR_HW_FAIL ):
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return "Hardware Failure";
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case (0x0200+BLE_ERR_PAGE_TMO ):
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return "Page Timeout";
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case (0x0200+BLE_ERR_AUTH_FAIL ):
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return "Authentication Failure";
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case (0x0200+BLE_ERR_PINKEY_MISSING ):
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return "PIN or Key Missing";
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case (0x0200+BLE_ERR_MEM_CAPACITY ):
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return "Memory Capacity Exceeded";
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case (0x0200+BLE_ERR_CONN_SPVN_TMO ):
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return "Connection Timeout";
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case (0x0200+BLE_ERR_CONN_LIMIT ):
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return "Connection Limit Exceeded";
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case (0x0200+BLE_ERR_SYNCH_CONN_LIMIT ):
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return "Synchronous Connection Limit To A Device Exceeded";
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case (0x0200+BLE_ERR_ACL_CONN_EXISTS ):
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return "ACL Connection Already Exists";
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case (0x0200+BLE_ERR_CMD_DISALLOWED ):
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return "Command Disallowed";
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case (0x0200+BLE_ERR_CONN_REJ_RESOURCES ):
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return "Connection Rejected due to Limited Resources";
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case (0x0200+BLE_ERR_CONN_REJ_SECURITY ):
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return "Connection Rejected Due To Security Reasons";
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case (0x0200+BLE_ERR_CONN_REJ_BD_ADDR ):
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return "Connection Rejected due to Unacceptable BD_ADDR";
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case (0x0200+BLE_ERR_CONN_ACCEPT_TMO ):
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return "Connection Accept Timeout Exceeded";
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case (0x0200+BLE_ERR_UNSUPPORTED ):
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return "Unsupported Feature or Parameter Value";
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case (0x0200+BLE_ERR_INV_HCI_CMD_PARMS ):
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return "Invalid HCI Command Parameters";
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case (0x0200+BLE_ERR_REM_USER_CONN_TERM ):
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return "Remote User Terminated Connection";
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case (0x0200+BLE_ERR_RD_CONN_TERM_RESRCS ):
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return "Remote Device Terminated Connection due to Low Resources";
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case (0x0200+BLE_ERR_RD_CONN_TERM_PWROFF ):
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return "Remote Device Terminated Connection due to Power Off";
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case (0x0200+BLE_ERR_CONN_TERM_LOCAL ):
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return "Connection Terminated By Local Host";
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case (0x0200+BLE_ERR_REPEATED_ATTEMPTS ):
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return "Repeated Attempts";
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case (0x0200+BLE_ERR_NO_PAIRING ):
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return "Pairing Not Allowed";
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case (0x0200+BLE_ERR_UNK_LMP ):
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return "Unknown LMP PDU";
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case (0x0200+BLE_ERR_UNSUPP_REM_FEATURE ):
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return "Unsupported Remote Feature / Unsupported LMP Feature";
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case (0x0200+BLE_ERR_SCO_OFFSET ):
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return "SCO Offset Rejected";
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case (0x0200+BLE_ERR_SCO_ITVL ):
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return "SCO Interval Rejected";
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case (0x0200+BLE_ERR_SCO_AIR_MODE ):
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return "SCO Air Mode Rejected";
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case (0x0200+BLE_ERR_INV_LMP_LL_PARM ):
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return "Invalid LMP Parameters / Invalid LL Parameters";
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case (0x0200+BLE_ERR_UNSPECIFIED ):
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return "Unspecified Error";
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case (0x0200+BLE_ERR_UNSUPP_LMP_LL_PARM ):
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return "Unsupported LMP Parameter Value / Unsupported LL Parameter Value";
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case (0x0200+BLE_ERR_NO_ROLE_CHANGE ):
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return "Role Change Not Allowed";
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case (0x0200+BLE_ERR_LMP_LL_RSP_TMO ):
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return "LMP Response Timeout / LL Response Timeout";
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case (0x0200+BLE_ERR_LMP_COLLISION ):
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return "LMP Error Transaction Collision";
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case (0x0200+BLE_ERR_LMP_PDU ):
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return "LMP PDU Not Allowed";
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case (0x0200+BLE_ERR_ENCRYPTION_MODE ):
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return "Encryption Mode Not Acceptable";
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case (0x0200+BLE_ERR_LINK_KEY_CHANGE ):
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return "Link Key cannot be Changed";
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case (0x0200+BLE_ERR_UNSUPP_QOS ):
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return "Requested QoS Not Supported";
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case (0x0200+BLE_ERR_INSTANT_PASSED ):
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return "Instant Passed";
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case (0x0200+BLE_ERR_UNIT_KEY_PAIRING ):
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return "Pairing With Unit Key Not Supported";
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case (0x0200+BLE_ERR_DIFF_TRANS_COLL ):
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return "Different Transaction Collision";
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case (0x0200+BLE_ERR_QOS_PARM ):
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return "QoS Unacceptable Parameter";
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case (0x0200+BLE_ERR_QOS_REJECTED ):
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return "QoS Rejected";
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case (0x0200+BLE_ERR_CHAN_CLASS ):
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return "Channel Classification Not Supported";
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case (0x0200+BLE_ERR_INSUFFICIENT_SEC ):
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return "Insufficient Security";
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case (0x0200+BLE_ERR_PARM_OUT_OF_RANGE ):
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return "Parameter Out Of Mandatory Range";
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case (0x0200+BLE_ERR_PENDING_ROLE_SW ):
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return "Role Switch Pending";
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case (0x0200+BLE_ERR_RESERVED_SLOT ):
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return "Reserved Slot Violation";
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case (0x0200+BLE_ERR_ROLE_SW_FAIL ):
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return "Role Switch Failed";
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case (0x0200+BLE_ERR_INQ_RSP_TOO_BIG ):
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return "Extended Inquiry Response Too Large";
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case (0x0200+BLE_ERR_SEC_SIMPLE_PAIR ):
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return "Secure Simple Pairing Not Supported By Host";
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case (0x0200+BLE_ERR_HOST_BUSY_PAIR ):
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return "Host Busy - Pairing";
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case (0x0200+BLE_ERR_CONN_REJ_CHANNEL ):
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return "Connection Rejected, No Suitable Channel Found";
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case (0x0200+BLE_ERR_CTLR_BUSY ):
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return "Controller Busy";
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case (0x0200+BLE_ERR_CONN_PARMS ):
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return "Unacceptable Connection Parameters";
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case (0x0200+BLE_ERR_DIR_ADV_TMO ):
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return "Directed Advertising Timeout";
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case (0x0200+BLE_ERR_CONN_TERM_MIC ):
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return "Connection Terminated due to MIC Failure";
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case (0x0200+BLE_ERR_CONN_ESTABLISHMENT ):
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return "Connection Failed to be Established";
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case (0x0200+BLE_ERR_MAC_CONN_FAIL ):
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return "MAC Connection Failed";
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case (0x0200+BLE_ERR_COARSE_CLK_ADJ ):
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return "Coarse Clock Adjustment Rejected";
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case (0x0300+BLE_L2CAP_SIG_ERR_CMD_NOT_UNDERSTOOD ):
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return "Invalid or unsupported incoming L2CAP sig command.";
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case (0x0300+BLE_L2CAP_SIG_ERR_MTU_EXCEEDED ):
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return "Incoming packet too large.";
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case (0x0300+BLE_L2CAP_SIG_ERR_INVALID_CID ):
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return "No channel with specified ID.";
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case (0x0400+BLE_SM_ERR_PASSKEY ):
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return "The user input of passkey failed, for example, the user cancelled the operation.";
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case (0x0400+BLE_SM_ERR_OOB ):
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return "The OOB data is not available.";
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case (0x0400+BLE_SM_ERR_AUTHREQ ):
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return "The pairing procedure cannot be performed as authentication requirements cannot be met due to IO capabilities of one or both devices.";
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case (0x0400+BLE_SM_ERR_CONFIRM_MISMATCH ):
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return "The confirm value does not match the calculated compare value.";
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case (0x0400+BLE_SM_ERR_PAIR_NOT_SUPP ):
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return "Pairing is not supported by the device.";
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case (0x0400+BLE_SM_ERR_ENC_KEY_SZ ):
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return "The resultant encryption key size is insufficient for the security requirements of this device.";
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case (0x0400+BLE_SM_ERR_CMD_NOT_SUPP ):
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return "The SMP command received is not supported on this device.";
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case (0x0400+BLE_SM_ERR_UNSPECIFIED ):
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return "Pairing failed due to an unspecified reason.";
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case (0x0400+BLE_SM_ERR_REPEATED ):
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return "Pairing or authentication procedure disallowed, too little time has elapsed since last pairing request or security request.";
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case (0x0400+BLE_SM_ERR_INVAL ):
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return "Command length is invalid or that a parameter is outside of the specified range.";
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case (0x0400+BLE_SM_ERR_DHKEY ):
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return "DHKey Check value received doesn't match the one calculated by the local device.";
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case (0x0400+BLE_SM_ERR_NUMCMP ):
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return "Confirm values in the numeric comparison protocol do not match.";
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case (0x0400+BLE_SM_ERR_ALREADY ):
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return "Pairing over the LE transport failed - Pairing Request sent over the BR/EDR transport in process.";
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case (0x0400+BLE_SM_ERR_CROSS_TRANS ):
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return "BR/EDR Link Key generated on the BR/EDR transport cannot be used to derive and distribute keys for the LE transport.";
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case (0x0500+BLE_SM_ERR_PASSKEY ):
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return "The user input of passkey failed or the user cancelled the operation.";
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case (0x0500+BLE_SM_ERR_OOB ):
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return "The OOB data is not available.";
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case (0x0500+BLE_SM_ERR_AUTHREQ ):
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return "The pairing procedure cannot be performed as authentication requirements cannot be met due to IO capabilities of one or both devices.";
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case (0x0500+BLE_SM_ERR_CONFIRM_MISMATCH ):
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return "The confirm value does not match the calculated compare value.";
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case (0x0500+BLE_SM_ERR_PAIR_NOT_SUPP ):
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return "Pairing is not supported by the device.";
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case (0x0500+BLE_SM_ERR_ENC_KEY_SZ ):
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return "The resultant encryption key size is insufficient for the security requirements of this device.";
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case (0x0500+BLE_SM_ERR_CMD_NOT_SUPP ):
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return "The SMP command received is not supported on this device.";
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case (0x0500+BLE_SM_ERR_UNSPECIFIED ):
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return "Pairing failed due to an unspecified reason.";
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case (0x0500+BLE_SM_ERR_REPEATED ):
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return "Pairing or authentication procedure is disallowed because too little time has elapsed since last pairing request or security request.";
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case (0x0500+BLE_SM_ERR_INVAL ):
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return "Command length is invalid or a parameter is outside of the specified range.";
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case (0x0500+BLE_SM_ERR_DHKEY ):
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return "Indicates to the remote device that the DHKey Check value received doesn’t match the one calculated by the local device.";
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case (0x0500+BLE_SM_ERR_NUMCMP ):
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return "Confirm values in the numeric comparison protocol do not match.";
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case (0x0500+BLE_SM_ERR_ALREADY ):
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return "Pairing over the LE transport failed - Pairing Request sent over the BR/EDR transport in process.";
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case (0x0500+BLE_SM_ERR_CROSS_TRANS ):
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return "BR/EDR Link Key generated on the BR/EDR transport cannot be used to derive and distribute keys for the LE transport.";
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default:
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return "Unknown";
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}
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#else // #if defined(CONFIG_NIMBLE_CPP_ENABLE_RETURN_CODE_TEXT)
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(void)rc;
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return "";
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#endif // #if defined(CONFIG_NIMBLE_CPP_ENABLE_RETURN_CODE_TEXT)
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}
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/**
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* @brief Convert the advertising type flag to a string.
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* @param advType The type to convert.
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* @return A string representation of the advertising flags.
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*/
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const char* NimBLEUtils::advTypeToString(uint8_t advType) {
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#if defined(CONFIG_NIMBLE_CPP_ENABLE_ADVERTISEMENT_TYPE_TEXT)
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switch(advType) {
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case BLE_HCI_ADV_TYPE_ADV_IND : //0
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return "Undirected - Connectable / Scannable";
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case BLE_HCI_ADV_TYPE_ADV_DIRECT_IND_HD: //1
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return "Directed High Duty - Connectable";
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case BLE_HCI_ADV_TYPE_ADV_SCAN_IND: //2
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return "Non-Connectable - Scan Response Available";
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case BLE_HCI_ADV_TYPE_ADV_NONCONN_IND: //3
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return "Non-Connectable - No Scan Response";
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case BLE_HCI_ADV_TYPE_ADV_DIRECT_IND_LD: //4
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return "Directed Low Duty - Connectable";
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default:
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return "Unknown flag";
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}
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#else // #if defined(CONFIG_NIMBLE_CPP_ENABLE_ADVERTISEMENT_TYPE_TEXT)
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(void)advType;
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return "";
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#endif // #if defined(CONFIG_NIMBLE_CPP_ENABLE_ADVERTISEMENT_TYPE_TEXT)
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} // adFlagsToString
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/**
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* @brief Create a hex representation of data.
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*
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* @param [in] target Where to write the hex string. If this is null, we malloc storage.
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* @param [in] source The start of the binary data.
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* @param [in] length The length of the data to convert.
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* @return A pointer to the formatted buffer.
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*/
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char* NimBLEUtils::buildHexData(uint8_t* target, const uint8_t* source, uint8_t length) {
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// Guard against too much data.
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if (length > 100) length = 100;
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if (target == nullptr) {
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target = (uint8_t*) malloc(length * 2 + 1);
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if (target == nullptr) {
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NIMBLE_LOGE(LOG_TAG, "buildHexData: malloc failed");
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return nullptr;
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}
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}
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char* startOfData = (char*) target;
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for (int i = 0; i < length; i++) {
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sprintf((char*) target, "%.2x", (char) *source);
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source++;
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target += 2;
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}
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// Handle the special case where there was no data.
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if (length == 0) {
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*startOfData = 0;
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}
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return startOfData;
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} // buildHexData
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/**
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* @brief Utility function to log the gap event info.
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* @param [in] event A pointer to the gap event structure.
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* @param [in] arg Unused.
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*/
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void NimBLEUtils::dumpGapEvent(ble_gap_event *event, void *arg){
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(void)arg;
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#if defined(CONFIG_NIMBLE_CPP_ENABLE_GAP_EVENT_CODE_TEXT)
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NIMBLE_LOGD(LOG_TAG, "Received a GAP event: %s", gapEventToString(event->type));
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#else
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(void)event;
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#endif
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}
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/**
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* @brief Convert a GAP event type to a string representation.
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* @param [in] eventType The type of event.
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* @return A string representation of the event type.
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*/
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const char* NimBLEUtils::gapEventToString(uint8_t eventType) {
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#if defined(CONFIG_NIMBLE_CPP_ENABLE_GAP_EVENT_CODE_TEXT)
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switch (eventType) {
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case BLE_GAP_EVENT_CONNECT : //0
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return "BLE_GAP_EVENT_CONNECT ";
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case BLE_GAP_EVENT_DISCONNECT: //1
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return "BLE_GAP_EVENT_DISCONNECT";
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case BLE_GAP_EVENT_CONN_UPDATE: //3
|
||
return "BLE_GAP_EVENT_CONN_UPDATE";
|
||
|
||
case BLE_GAP_EVENT_CONN_UPDATE_REQ: //4
|
||
return "BLE_GAP_EVENT_CONN_UPDATE_REQ";
|
||
|
||
case BLE_GAP_EVENT_L2CAP_UPDATE_REQ: //5
|
||
return "BLE_GAP_EVENT_L2CAP_UPDATE_REQ";
|
||
|
||
case BLE_GAP_EVENT_TERM_FAILURE: //6
|
||
return "BLE_GAP_EVENT_TERM_FAILURE";
|
||
|
||
case BLE_GAP_EVENT_DISC: //7
|
||
return "BLE_GAP_EVENT_DISC";
|
||
|
||
case BLE_GAP_EVENT_DISC_COMPLETE: //8
|
||
return "BLE_GAP_EVENT_DISC_COMPLETE";
|
||
|
||
case BLE_GAP_EVENT_ADV_COMPLETE: //9
|
||
return "BLE_GAP_EVENT_ADV_COMPLETE";
|
||
|
||
case BLE_GAP_EVENT_ENC_CHANGE: //10
|
||
return "BLE_GAP_EVENT_ENC_CHANGE";
|
||
|
||
case BLE_GAP_EVENT_PASSKEY_ACTION : //11
|
||
return "BLE_GAP_EVENT_PASSKEY_ACTION";
|
||
|
||
case BLE_GAP_EVENT_NOTIFY_RX: //12
|
||
return "BLE_GAP_EVENT_NOTIFY_RX";
|
||
|
||
case BLE_GAP_EVENT_NOTIFY_TX : //13
|
||
return "BLE_GAP_EVENT_NOTIFY_TX";
|
||
|
||
case BLE_GAP_EVENT_SUBSCRIBE : //14
|
||
return "BLE_GAP_EVENT_SUBSCRIBE";
|
||
|
||
case BLE_GAP_EVENT_MTU: //15
|
||
return "BLE_GAP_EVENT_MTU";
|
||
|
||
case BLE_GAP_EVENT_IDENTITY_RESOLVED: //16
|
||
return "BLE_GAP_EVENT_IDENTITY_RESOLVED";
|
||
|
||
case BLE_GAP_EVENT_REPEAT_PAIRING: //17
|
||
return "BLE_GAP_EVENT_REPEAT_PAIRING";
|
||
|
||
case BLE_GAP_EVENT_PHY_UPDATE_COMPLETE: //18
|
||
return "BLE_GAP_EVENT_PHY_UPDATE_COMPLETE";
|
||
|
||
case BLE_GAP_EVENT_EXT_DISC: //19
|
||
return "BLE_GAP_EVENT_EXT_DISC";
|
||
#ifdef BLE_GAP_EVENT_PERIODIC_SYNC // IDF 4.0 does not support these
|
||
case BLE_GAP_EVENT_PERIODIC_SYNC: //20
|
||
return "BLE_GAP_EVENT_PERIODIC_SYNC";
|
||
|
||
case BLE_GAP_EVENT_PERIODIC_REPORT: //21
|
||
return "BLE_GAP_EVENT_PERIODIC_REPORT";
|
||
|
||
case BLE_GAP_EVENT_PERIODIC_SYNC_LOST: //22
|
||
return "BLE_GAP_EVENT_PERIODIC_SYNC_LOST";
|
||
|
||
case BLE_GAP_EVENT_SCAN_REQ_RCVD: //23
|
||
return "BLE_GAP_EVENT_SCAN_REQ_RCVD";
|
||
#endif
|
||
default:
|
||
NIMBLE_LOGD(LOG_TAG, "gapEventToString: Unknown event type %d 0x%.2x", eventType, eventType);
|
||
return "Unknown event type";
|
||
}
|
||
#else // #if defined(CONFIG_NIMBLE_CPP_ENABLE_GAP_EVENT_CODE_TEXT)
|
||
(void)eventType;
|
||
return "";
|
||
#endif // #if defined(CONFIG_NIMBLE_CPP_ENABLE_GAP_EVENT_CODE_TEXT)
|
||
} // gapEventToString
|
||
|
||
#endif //CONFIG_BT_ENABLED
|