Transmission corrupt

Question

hello, I am using W5500 as TCP server. For transmitting data from server I carry out the following steps Read the Sn_TX_RD. Using the values of Sn_TX_RD, I write 6 bytes of data to the TX_buffer. 3.Then i update the value of Sn_TX_WR by adding 6 to it. Then I issue the SEND command. 5.And repeat again from the 1st step. However I find that the data transmitted is mostly corrupt. And if i write just 2 bytes in the Tx_Buffer and send, the data is corrupted but rarely. But this would decrease my efficiency. Is there any solution for this ?

Eugeny · Answer

read TX_FSR to see if there’s free space in the TX buffer read TX_WR, and write data to the buffer using mask respective for the buffer size update TX_WR with unmasked pointer (e.g. ef00 + 6 = ef06) issue SEND command wait until command register becomes 0 (command completed) 6, go to step 1 if there’s still data to send