Appendix 5 Ethernet App5-39
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 received.
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().
Request Connection Information
int HKEtn_GetInf(struct inf *lpinf,char *lpAddr)
• Parameters
*Ipinf All “0”
*lpAddr IP address shown as a string of characters separated by dots
Example: “192.168.XXX.XXX”
• Return values
Success TRUE
Failure FALSE
Error details Get using HKEtn_GetLastError ().
Close Processing
int HKEtn_Close()
Execute this function when ending HKEtn10.dll.
Get Source’s IP Address
int HKEtn_GetSinAddr(char *lpAddr)
Execute this function after the recvfrom() function or receiving the data.
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