diff options
Diffstat (limited to 'libraries/Ethernet/utility/socket.cpp')
-rw-r--r-- | libraries/Ethernet/utility/socket.cpp | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/libraries/Ethernet/utility/socket.cpp b/libraries/Ethernet/utility/socket.cpp deleted file mode 100644 index fd3e442..0000000 --- a/libraries/Ethernet/utility/socket.cpp +++ /dev/null @@ -1,400 +0,0 @@ -#include "w5100.h" -#include "socket.h" - -static uint16_t local_port; - -/** - * @brief This Socket function initialize the channel in perticular mode, and set the port and wait for W5100 done it. - * @return 1 for success else 0. - */ -uint8_t socket(SOCKET s, uint8_t protocol, uint16_t port, uint8_t flag) -{ - if ((protocol == SnMR::TCP) || (protocol == SnMR::UDP) || (protocol == SnMR::IPRAW) || (protocol == SnMR::MACRAW) || (protocol == SnMR::PPPOE)) - { - close(s); - W5100.writeSnMR(s, protocol | flag); - if (port != 0) { - W5100.writeSnPORT(s, port); - } - else { - local_port++; // if don't set the source port, set local_port number. - W5100.writeSnPORT(s, local_port); - } - - W5100.execCmdSn(s, Sock_OPEN); - - return 1; - } - - return 0; -} - - -/** - * @brief This function close the socket and parameter is "s" which represent the socket number - */ -void close(SOCKET s) -{ - W5100.execCmdSn(s, Sock_CLOSE); - W5100.writeSnIR(s, 0xFF); -} - - -/** - * @brief This function established the connection for the channel in passive (server) mode. This function waits for the request from the peer. - * @return 1 for success else 0. - */ -uint8_t listen(SOCKET s) -{ - if (W5100.readSnSR(s) != SnSR::INIT) - return 0; - W5100.execCmdSn(s, Sock_LISTEN); - return 1; -} - - -/** - * @brief This function established the connection for the channel in Active (client) mode. - * This function waits for the untill the connection is established. - * - * @return 1 for success else 0. - */ -uint8_t connect(SOCKET s, uint8_t * addr, uint16_t port) -{ - if - ( - ((addr[0] == 0xFF) && (addr[1] == 0xFF) && (addr[2] == 0xFF) && (addr[3] == 0xFF)) || - ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) || - (port == 0x00) - ) - return 0; - - // set destination IP - W5100.writeSnDIPR(s, addr); - W5100.writeSnDPORT(s, port); - W5100.execCmdSn(s, Sock_CONNECT); - - return 1; -} - - - -/** - * @brief This function used for disconnect the socket and parameter is "s" which represent the socket number - * @return 1 for success else 0. - */ -void disconnect(SOCKET s) -{ - W5100.execCmdSn(s, Sock_DISCON); -} - - -/** - * @brief This function used to send the data in TCP mode - * @return 1 for success else 0. - */ -uint16_t send(SOCKET s, const uint8_t * buf, uint16_t len) -{ - uint8_t status=0; - uint16_t ret=0; - uint16_t freesize=0; - - if (len > W5100.SSIZE) - ret = W5100.SSIZE; // check size not to exceed MAX size. - else - ret = len; - - // if freebuf is available, start. - do - { - freesize = W5100.getTXFreeSize(s); - status = W5100.readSnSR(s); - if ((status != SnSR::ESTABLISHED) && (status != SnSR::CLOSE_WAIT)) - { - ret = 0; - break; - } - } - while (freesize < ret); - - // copy data - W5100.send_data_processing(s, (uint8_t *)buf, ret); - W5100.execCmdSn(s, Sock_SEND); - - /* +2008.01 bj */ - while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK ) - { - /* m2008.01 [bj] : reduce code */ - if ( W5100.readSnSR(s) == SnSR::CLOSED ) - { - close(s); - return 0; - } - } - /* +2008.01 bj */ - W5100.writeSnIR(s, SnIR::SEND_OK); - return ret; -} - - -/** - * @brief This function is an application I/F function which is used to receive the data in TCP mode. - * It continues to wait for data as much as the application wants to receive. - * - * @return received data size for success else -1. - */ -int16_t recv(SOCKET s, uint8_t *buf, int16_t len) -{ - // Check how much data is available - int16_t ret = W5100.getRXReceivedSize(s); - if ( ret == 0 ) - { - // No data available. - uint8_t status = W5100.readSnSR(s); - if ( status == SnSR::LISTEN || status == SnSR::CLOSED || status == SnSR::CLOSE_WAIT ) - { - // The remote end has closed its side of the connection, so this is the eof state - ret = 0; - } - else - { - // The connection is still up, but there's no data waiting to be read - ret = -1; - } - } - else if (ret > len) - { - ret = len; - } - - if ( ret > 0 ) - { - W5100.recv_data_processing(s, buf, ret); - W5100.execCmdSn(s, Sock_RECV); - } - return ret; -} - - -/** - * @brief Returns the first byte in the receive queue (no checking) - * - * @return - */ -uint16_t peek(SOCKET s, uint8_t *buf) -{ - W5100.recv_data_processing(s, buf, 1, 1); - - return 1; -} - - -/** - * @brief This function is an application I/F function which is used to send the data for other then TCP mode. - * Unlike TCP transmission, The peer's destination address and the port is needed. - * - * @return This function return send data size for success else -1. - */ -uint16_t sendto(SOCKET s, const uint8_t *buf, uint16_t len, uint8_t *addr, uint16_t port) -{ - uint16_t ret=0; - - if (len > W5100.SSIZE) ret = W5100.SSIZE; // check size not to exceed MAX size. - else ret = len; - - if - ( - ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) || - ((port == 0x00)) ||(ret == 0) - ) - { - /* +2008.01 [bj] : added return value */ - ret = 0; - } - else - { - W5100.writeSnDIPR(s, addr); - W5100.writeSnDPORT(s, port); - - // copy data - W5100.send_data_processing(s, (uint8_t *)buf, ret); - W5100.execCmdSn(s, Sock_SEND); - - /* +2008.01 bj */ - while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK ) - { - if (W5100.readSnIR(s) & SnIR::TIMEOUT) - { - /* +2008.01 [bj]: clear interrupt */ - W5100.writeSnIR(s, (SnIR::SEND_OK | SnIR::TIMEOUT)); /* clear SEND_OK & TIMEOUT */ - return 0; - } - } - - /* +2008.01 bj */ - W5100.writeSnIR(s, SnIR::SEND_OK); - } - return ret; -} - - -/** - * @brief This function is an application I/F function which is used to receive the data in other then - * TCP mode. This function is used to receive UDP, IP_RAW and MAC_RAW mode, and handle the header as well. - * - * @return This function return received data size for success else -1. - */ -uint16_t recvfrom(SOCKET s, uint8_t *buf, uint16_t len, uint8_t *addr, uint16_t *port) -{ - uint8_t head[8]; - uint16_t data_len=0; - uint16_t ptr=0; - - if ( len > 0 ) - { - ptr = W5100.readSnRX_RD(s); - switch (W5100.readSnMR(s) & 0x07) - { - case SnMR::UDP : - W5100.read_data(s, (uint8_t *)ptr, head, 0x08); - ptr += 8; - // read peer's IP address, port number. - addr[0] = head[0]; - addr[1] = head[1]; - addr[2] = head[2]; - addr[3] = head[3]; - *port = head[4]; - *port = (*port << 8) + head[5]; - data_len = head[6]; - data_len = (data_len << 8) + head[7]; - - W5100.read_data(s, (uint8_t *)ptr, buf, data_len); // data copy. - ptr += data_len; - - W5100.writeSnRX_RD(s, ptr); - break; - - case SnMR::IPRAW : - W5100.read_data(s, (uint8_t *)ptr, head, 0x06); - ptr += 6; - - addr[0] = head[0]; - addr[1] = head[1]; - addr[2] = head[2]; - addr[3] = head[3]; - data_len = head[4]; - data_len = (data_len << 8) + head[5]; - - W5100.read_data(s, (uint8_t *)ptr, buf, data_len); // data copy. - ptr += data_len; - - W5100.writeSnRX_RD(s, ptr); - break; - - case SnMR::MACRAW: - W5100.read_data(s,(uint8_t*)ptr,head,2); - ptr+=2; - data_len = head[0]; - data_len = (data_len<<8) + head[1] - 2; - - W5100.read_data(s,(uint8_t*) ptr,buf,data_len); - ptr += data_len; - W5100.writeSnRX_RD(s, ptr); - break; - - default : - break; - } - W5100.execCmdSn(s, Sock_RECV); - } - return data_len; -} - - -uint16_t igmpsend(SOCKET s, const uint8_t * buf, uint16_t len) -{ - uint8_t status=0; - uint16_t ret=0; - - if (len > W5100.SSIZE) - ret = W5100.SSIZE; // check size not to exceed MAX size. - else - ret = len; - - if (ret == 0) - return 0; - - W5100.send_data_processing(s, (uint8_t *)buf, ret); - W5100.execCmdSn(s, Sock_SEND); - - while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK ) - { - status = W5100.readSnSR(s); - if (W5100.readSnIR(s) & SnIR::TIMEOUT) - { - /* in case of igmp, if send fails, then socket closed */ - /* if you want change, remove this code. */ - close(s); - return 0; - } - } - - W5100.writeSnIR(s, SnIR::SEND_OK); - return ret; -} - -uint16_t bufferData(SOCKET s, uint16_t offset, const uint8_t* buf, uint16_t len) -{ - uint16_t ret =0; - if (len > W5100.getTXFreeSize(s)) - { - ret = W5100.getTXFreeSize(s); // check size not to exceed MAX size. - } - else - { - ret = len; - } - W5100.send_data_processing_offset(s, offset, buf, ret); - return ret; -} - -int startUDP(SOCKET s, uint8_t* addr, uint16_t port) -{ - if - ( - ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) || - ((port == 0x00)) - ) - { - return 0; - } - else - { - W5100.writeSnDIPR(s, addr); - W5100.writeSnDPORT(s, port); - return 1; - } -} - -int sendUDP(SOCKET s) -{ - W5100.execCmdSn(s, Sock_SEND); - - /* +2008.01 bj */ - while ( (W5100.readSnIR(s) & SnIR::SEND_OK) != SnIR::SEND_OK ) - { - if (W5100.readSnIR(s) & SnIR::TIMEOUT) - { - /* +2008.01 [bj]: clear interrupt */ - W5100.writeSnIR(s, (SnIR::SEND_OK|SnIR::TIMEOUT)); - return 0; - } - } - - /* +2008.01 bj */ - W5100.writeSnIR(s, SnIR::SEND_OK); - - /* Sent ok */ - return 1; -} - |