4
1. Ethernet 4-41
Network Communications
Others Functions
Initialization Function
int HKEtn_Init(unsigned short Port=10000,int Retry=3,int RecvTime=2,int
RecvTime2=10)
Creates a socket.
•Parameters
Port Set 10000 or above.
Retry Number of send retrials
RecvTime Receive timeout
RecvTime2 Receive timeout 2
•Return values
Success TRUE
Failure FALSE
Error details Get using HKEtn_GetLastError ().
Receive Wait from V7
int HKEtn_Recvfrom(BYTE *dp,short *lpCnt)
This function is retained internally until data is received from the V7 series. The function
returns a response and ends only when a command is re ce ive d. The user should interpret
the received data and create the next action. This function must be executed within the
thread.
•Parameters
*dp Top pointer of receive buffer
Allocate 5000 bytes.
*lpCnt Returns the number of bytes received.
•Return values
Success TRUE
Failure FALSE
Error details Get using HKEtn_GetLastError ().
Cancel Receive Wait Function
void HKEtn_Cancel(void)
Cancels the function in the receive wait status, such as Recvfrom().