Add [14_m1284p_WIZNET_FTPC_FATFS_v1.2] prj
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maxxir_w
225
14_m1284p_WIZNET_FTPC_FATFS_v1.2/Application/loopback/loopback.c
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225
14_m1284p_WIZNET_FTPC_FATFS_v1.2/Application/loopback/loopback.c
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#include <stdio.h>
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#include "loopback.h"
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#include "socket.h"
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#include "wizchip_conf.h"
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#if LOOPBACK_MODE == LOOPBACK_MAIN_NOBLCOK
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int32_t loopback_tcps(uint8_t sn, uint8_t* buf, uint16_t port)
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{
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int32_t ret;
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uint16_t size = 0, sentsize=0;
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#ifdef _LOOPBACK_DEBUG_
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uint8_t destip[4];
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uint16_t destport;
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#endif
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switch(getSn_SR(sn))
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{
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case SOCK_ESTABLISHED :
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if(getSn_IR(sn) & Sn_IR_CON)
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{
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#ifdef _LOOPBACK_DEBUG_
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getSn_DIPR(sn, destip);
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destport = getSn_DPORT(sn);
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printf("%d:Connected - %d.%d.%d.%d : %d\r\n",sn, destip[0], destip[1], destip[2], destip[3], destport);
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#endif
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setSn_IR(sn,Sn_IR_CON);
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}
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if((size = getSn_RX_RSR(sn)) > 0) // Don't need to check SOCKERR_BUSY because it doesn't not occur.
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{
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if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE;
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ret = recv(sn, buf, size);
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if(ret <= 0) return ret; // check SOCKERR_BUSY & SOCKERR_XXX. For showing the occurrence of SOCKERR_BUSY.
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size = (uint16_t) ret;
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sentsize = 0;
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while(size != sentsize)
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{
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ret = send(sn, buf+sentsize, size-sentsize);
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if(ret < 0)
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{
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close(sn);
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return ret;
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}
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sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
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}
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}
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break;
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case SOCK_CLOSE_WAIT :
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#ifdef _LOOPBACK_DEBUG_
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//printf("%d:CloseWait\r\n",sn);
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#endif
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if((ret = disconnect(sn)) != SOCK_OK) return ret;
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#ifdef _LOOPBACK_DEBUG_
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printf("%d:Socket Closed\r\n", sn);
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#endif
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break;
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case SOCK_INIT :
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#ifdef _LOOPBACK_DEBUG_
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printf("%d:Listen, TCP server loopback, port [%d]\r\n", sn, port);
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#endif
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if( (ret = listen(sn)) != SOCK_OK) return ret;
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break;
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case SOCK_CLOSED:
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#ifdef _LOOPBACK_DEBUG_
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//printf("%d:TCP server loopback start\r\n",sn);
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#endif
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if((ret = socket(sn, Sn_MR_TCP, port, 0x00)) != sn) return ret;
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#ifdef _LOOPBACK_DEBUG_
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//printf("%d:Socket opened\r\n",sn);
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#endif
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break;
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default:
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break;
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}
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return 1;
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}
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int32_t loopback_tcpc(uint8_t sn, uint8_t* buf, uint8_t* destip, uint16_t destport)
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{
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int32_t ret; // return value for SOCK_ERRORs
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uint16_t size = 0, sentsize=0;
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// Destination (TCP Server) IP info (will be connected)
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// >> loopback_tcpc() function parameter
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// >> Ex)
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// uint8_t destip[4] = {192, 168, 0, 214};
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// uint16_t destport = 5000;
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// Port number for TCP client (will be increased)
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static uint16_t any_port = 50000;
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// Socket Status Transitions
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// Check the W5500 Socket n status register (Sn_SR, The 'Sn_SR' controlled by Sn_CR command or Packet send/recv status)
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switch(getSn_SR(sn))
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{
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case SOCK_ESTABLISHED :
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if(getSn_IR(sn) & Sn_IR_CON) // Socket n interrupt register mask; TCP CON interrupt = connection with peer is successful
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{
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#ifdef _LOOPBACK_DEBUG_
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printf("%d:Connected to - %d.%d.%d.%d : %d\r\n",sn, destip[0], destip[1], destip[2], destip[3], destport);
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#endif
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setSn_IR(sn, Sn_IR_CON); // this interrupt should be write the bit cleared to '1'
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}
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//////////////////////////////////////////////////////////////////////////////////////////////
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// Data Transaction Parts; Handle the [data receive and send] process
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//////////////////////////////////////////////////////////////////////////////////////////////
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if((size = getSn_RX_RSR(sn)) > 0) // Sn_RX_RSR: Socket n Received Size Register, Receiving data length
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{
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if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE; // DATA_BUF_SIZE means user defined buffer size (array)
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ret = recv(sn, buf, size); // Data Receive process (H/W Rx socket buffer -> User's buffer)
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if(ret <= 0) return ret; // If the received data length <= 0, receive failed and process end
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size = (uint16_t) ret;
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sentsize = 0;
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// Data sentsize control
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while(size != sentsize)
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{
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ret = send(sn, buf+sentsize, size-sentsize); // Data send process (User's buffer -> Destination through H/W Tx socket buffer)
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if(ret < 0) // Send Error occurred (sent data length < 0)
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{
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close(sn); // socket close
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return ret;
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}
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sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////
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break;
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case SOCK_CLOSE_WAIT :
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#ifdef _LOOPBACK_DEBUG_
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//printf("%d:CloseWait\r\n",sn);
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#endif
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if((ret=disconnect(sn)) != SOCK_OK) return ret;
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#ifdef _LOOPBACK_DEBUG_
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printf("%d:Socket Closed\r\n", sn);
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#endif
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break;
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case SOCK_INIT :
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#ifdef _LOOPBACK_DEBUG_
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printf("%d:Try to connect to the %d.%d.%d.%d : %d\r\n", sn, destip[0], destip[1], destip[2], destip[3], destport);
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#endif
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if( (ret = connect(sn, destip, destport)) != SOCK_OK) return ret; // Try to TCP connect to the TCP server (destination)
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break;
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case SOCK_CLOSED:
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close(sn);
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if((ret=socket(sn, Sn_MR_TCP, any_port++, 0x00)) != sn){
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if(any_port == 0xffff) any_port = 50000;
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return ret; // TCP socket open with 'any_port' port number
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}
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#ifdef _LOOPBACK_DEBUG_
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//printf("%d:TCP client loopback start\r\n",sn);
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//printf("%d:Socket opened\r\n",sn);
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#endif
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break;
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default:
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break;
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}
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return 1;
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}
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int32_t loopback_udps(uint8_t sn, uint8_t* buf, uint16_t port)
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{
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int32_t ret;
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uint16_t size, sentsize;
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uint8_t destip[4];
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uint16_t destport;
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switch(getSn_SR(sn))
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{
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case SOCK_UDP :
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if((size = getSn_RX_RSR(sn)) > 0)
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{
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if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE;
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ret = recvfrom(sn, buf, size, destip, (uint16_t*)&destport);
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if(ret <= 0)
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{
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#ifdef _LOOPBACK_DEBUG_
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printf("%d: recvfrom error. %ld\r\n",sn,ret);
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#endif
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return ret;
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}
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size = (uint16_t) ret;
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sentsize = 0;
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while(sentsize != size)
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{
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ret = sendto(sn, buf+sentsize, size-sentsize, destip, destport);
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if(ret < 0)
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{
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#ifdef _LOOPBACK_DEBUG_
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printf("%d: sendto error. %ld\r\n",sn,ret);
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#endif
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return ret;
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}
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sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
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}
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}
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break;
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case SOCK_CLOSED:
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#ifdef _LOOPBACK_DEBUG_
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//printf("%d:UDP loopback start\r\n",sn);
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#endif
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if((ret = socket(sn, Sn_MR_UDP, port, 0x00)) != sn)
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return ret;
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#ifdef _LOOPBACK_DEBUG_
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printf("%d:Opened, UDP loopback, port [%d]\r\n", sn, port);
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#endif
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break;
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default :
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break;
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}
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return 1;
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}
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#endif
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@@ -0,0 +1,38 @@
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#ifndef _LOOPBACK_H_
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#define _LOOPBACK_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/* Loopback test debug message printout enable */
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#define _LOOPBACK_DEBUG_
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/* DATA_BUF_SIZE define for Loopback example */
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#ifndef DATA_BUF_SIZE
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#define DATA_BUF_SIZE 2048
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#endif
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/************************/
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/* Select LOOPBACK_MODE */
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/************************/
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#define LOOPBACK_MAIN_NOBLOCK 0
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#define LOOPBACK_MODE LOOPBACK_MAIN_NOBLOCK
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/* TCP server Loopback test example */
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int32_t loopback_tcps(uint8_t sn, uint8_t* buf, uint16_t port);
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/* TCP client Loopback test example */
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int32_t loopback_tcpc(uint8_t sn, uint8_t* buf, uint8_t* destip, uint16_t destport);
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/* UDP Loopback test example */
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int32_t loopback_udps(uint8_t sn, uint8_t* buf, uint16_t port);
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#ifdef __cplusplus
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}
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#endif
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#endif
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