switch(getSn_SR(sn)) { case SOCK_ESTABLISHED: {if(getSn_IR(sn) & Sn_IR_CON) { setSn_IR(sn,Sn_IR_CON); } uint16_t size=0;if((size = getSn_RX_RSR(sn)) > 0) {if(size > DATA_BUFFER_SIZE) { size = DATA_BUFFER_SIZE; } uint8_t rxBuffer[DATA_BUFFER_SIZE];ret= recv...
10 if(getSn_IR(sn) & Sn_IR_CON) 11 { 12 setSn_IR(sn,Sn_IR_CON); 13 } 14 uint16_t size=0; 15 if((size = getSn_RX_RSR(sn)) > 0) 16 { 17 if(size > DATA_BUFFER_SIZE) 18 { 19 size = DATA_BUFFER_SIZE; 20 } 21 22 uint8_t rxBuffer[DATA_BUFFER_SIZE]; 23 ret ...
Sn_RX_RSR 显示了 Socket n 接收缓存中已接收和保存的数据大小。 Sn_RX_RSR 不会超过 n_RXBUF_SIZE 大小,且计算的为 Socket n 接收写指针(Sn_RX_WR) 和Socket n 接收读指针之间的空间大小。 例)如2048(0x0800)在S0_RX_RSR时, Sn_RX_RD (Socket n接收读指针寄存器) [R/W] [0x0028-0x0029] [...
if((size = getSn_RX_RSR(sn)) >0) {// Sn_RX_RSR: Socket n Received Size Register, Receiving data length if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE;// DATA_BUF_SIZE means user defined buffer size (array) ret = recv(sn, buf, size);// Data Receive process (H/W Rx socke...
int tcp_server(uint8_t sn, uint16_t port) { int8_t ret; uint8_t dest_ip[4]; uint16_t dest_port; uint16_t size = 0; switch (getSn_SR(sn)) { case SOCK_CLOSED: /* open socket */ printf("TCP server start\r\n"); ...
(getSn_IR(0)&Sn_IR_CON){setSn_IR(0,Sn_IR_CON);/*清除接收中断标志位*/}Len=getSn_RX_RSR(0);/*获取接收的数据长度*/if(Len>0)//接收到数据{recv(0,RevBuf,Len);/*接收来自Server的数据*/send(0,RevBuf,Len);//返回给服务器}break;caseSOCK_CLOSE_WAIT:/*socket处于等待关闭状态*/close...
setSn_IR(sn,Sn_IR_CON); } uint16_t size=0;if((size = getSn_RX_RSR(sn)) >0) {if(size >DATA_BUFFER_SIZE) { size=DATA_BUFFER_SIZE; } uint8_t rxBuffer[DATA_BUFFER_SIZE]; ret=recv(sn,rxBuffer,size);if(ret <=0)
Sn_RX_RSR (Socket n 空闲接收缓存寄存器) R 0x0026-0x0027 0x0000Sn_RX_RSR 显示了 Socket n 接收缓存中已接收和保存的数据大小。Sn_RX_RSR 不会超过 n_RXBUF_SIZE 大小,且计算的为 Socket n 接收写指针(Sn_RX_WR)和 Socket n 接收读指针之间的空间大小。 例)...
rx_len =getSn_RX_RSR(socket);if(rx_len >0) {read(socket, buf, rx_len);/* Data received from server, do something */} = SPI_DIRECTION_2LINES; hspi1.Init.DataSize = SPI_DATASIZE_8BIT; hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; ...
0x10 CLOSE 关闭socket Sn_SR改为SOCK_CLOSED。 0x20 SEND 发送(SEND)S(TX)内存中的所有缓冲。 0x21 SEND_MAC 只在UDP有效 Ox22 SEND_KEEP 只在TCP下有效 0x40 RECV 通过使用接收读指针寄存器(S_RX_RD)来判定socket 缓存是否完成接收处理。 IR (中断寄存器) [R/W] [0x0015] [0x00] 中断寄存器( ...