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      Help Center/ IoT/ API Reference/ AgentLite API Reference (C)/ Data Types

      Data Types

      Updated on 2022-02-24 GMT+08:00
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      4.1 Common Data Types

      Type Name

      Standard Type Name

      HW_INT

      int

      HW_UINT

      unsigned int

      HW_CHAR

      char

      HW_UCHAR

      unsigned char

      HW_BOOL

      int

      HW_ULONG

      unsigned long

      HW_USHORT

      unsigned short

      HW_MSG

      void*

      HW_VOID

      void

      HW_NULL

      0

      4.2 Function Return Values

      Return Value Name

      Value

      Standard Type Name

      HW_OK

      0

      Execution succeeded

      HW_ERR

      1

      Execution error

      HW_ERR_PTR

      2

      Incorrect pointer

      HW_ERR_ID

      3

      Incorrect ID

      HW_ERR_PARA

      4

      Incorrect parameter

      HW_ERR_KEY

      5

      Incorrect key

      HW_ERR_NOMEM

      6

      Insufficient memory.

      HW_ERR_MAGIC

      7

      Reserved

      HW_ERR_OVERFLOW

      8

      Overflow

      HW_ERR_GVAR

      9

      Reserved

      HW_ERR_POOL

      10

      Reserved

      HW_ERR_NO_MUTEX

      11

      Unlocked

      HW_ERR_PID

      12

      Reserved

      HW_ERR_FILEOPEN

      13

      Failed to open the file

      HW_ERR_FD

      14

      Incorrect file description

      HW_ERR_SOCKET

      15

      Abnormal socket

      HW_ERR_NOTSUPPORT

      16

      Unsupported

      HW_ERR_NOTLOAD

      17

      Not loaded

      HW_ERR_ENCODE

      18

      Encoding error

      HW_ERR_DECODE

      19

      Decoding error

      HW_ERR_CALLBACK

      22

      Incorrect callback function

      HW_ERR_STATE

      23

      Incorrect status

      HW_ERR_OVERTIMES

      24

      Exceeded maximum number of retries

      HW_ERR_ENDOVER

      25

      Reserved

      HW_ERR_ENDLINE

      26

      Reserved

      HW_ERR_NUMBER

      27

      Incorrect number

      HW_ERR_NOMATCH

      28

      Mismatched

      HW_ERR_NOSTART

      29

      Not started

      HW_ERR_NOEND

      30

      Not ended

      HW_ERR_OVERLAP

      31

      Reserved

      HW_ERR_DROP

      32

      Discarded

      HW_ERR_NODATA

      33

      No data

      HW_ERR_CRC_CHK

      34

      CRC failed

      HW_ERR_AUTH

      35

      Authentication failed

      HW_ERR_LENGTH

      36

      Incorrect length

      HW_ERR_NOTALLOW

      37

      Operation not allowed

      HW_ERR_TOKEN

      38

      Incorrect token

      HW_ERR_NOTIPV4

      39

      IPv4 unsupported

      HW_ERR_NOTIPV6

      40

      IPv6 unsupported

      HW_ERR_IELOST

      41

      Reserved

      HW_ERR_IELOST1

      42

      Reserved

      HW_ERR_IELOST2

      43

      Reserved

      HW_ERR_AUDIO

      44

      Reserved

      HW_ERR_VIDEO

      45

      Reserved

      HW_ERR_MD5

      46

      Reserved

      HW_ERR_MD5_HA1

      47

      Reserved

      HW_ERR_MD5_RES

      48

      Reserved

      HW_ERR_DIALOG

      49

      Incorrect dialog

      HW_ERR_OBJ

      50

      Incorrect object

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