1.2.3.1.21 TCPIP_TCP_FifoRxFreeGet Function
C
uint16_t TCPIP_TCP_FifoRxFreeGet(
TCP_SOCKET hTCP
);
Description
This function determines how many bytes are free in the RX buffer/FIFO.
Preconditions
TCP is initialized.
Parameters
| Parameters | Description |
|---|---|
| hTCP | The socket to check. |
Returns
The number of bytes free in the TCP RX FIFO. If zero, no additional data can be received until the application removes some data using one of the TCPIP_TCP_Get family functions.