IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

Interrupt 0xAC service 0x04: API_CONNECT, Connect to another socket
For TCP only. The connect call attempts to make a connection to another socket (either local or remote).
This call is used by a TCP client.
Parameters
AH
BX
DX:SI
0x04 (= API_CONNECT)
Socket descriptor
Pointer to a sockaddr_in structure containing host's IP address and port number.
Return Value
Comments
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DX = 0 success AX: 0
DX != 0 AX: contains error code
The caller must fill in the first three elements of the sockaddr_in data structure at [DX:SI] prior to calling
here.
Interrupt 0xAC service 0x05: API_RECVFROM, Receive UDP message
Parameters
AH
BX
DX:SI
For UDP only, receives message from another socket.
0x05 (= API_RECVFROM)
Socket descriptor
Pointer to a recv_params data structure which caller must fill in prior to call.
Return Value
Comments
DX = 0 success AX: number of received bytes where 0 bytes indicates a timeout
DX != 0 AX: contains error code
This function will output the received data to the buffer referenced by recv_params.bufferPtr pointer. Up
to recv_params.bufferLength bytes will be accepted. The AX return value indicates the number of bytes
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