diff options
Diffstat (limited to 'libraries/Ethernet/utility')
| -rw-r--r-- | libraries/Ethernet/utility/socket.cpp | 400 | ||||
| -rw-r--r-- | libraries/Ethernet/utility/socket.h | 41 | ||||
| -rw-r--r-- | libraries/Ethernet/utility/w5100.cpp | 188 | ||||
| -rw-r--r-- | libraries/Ethernet/utility/w5100.h | 404 |
4 files changed, 0 insertions, 1033 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; -} - diff --git a/libraries/Ethernet/utility/socket.h b/libraries/Ethernet/utility/socket.h deleted file mode 100644 index 45e0fb3..0000000 --- a/libraries/Ethernet/utility/socket.h +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef _SOCKET_H_ -#define _SOCKET_H_ - -#include "w5100.h" - -extern uint8_t socket(SOCKET s, uint8_t protocol, uint16_t port, uint8_t flag); // Opens a socket(TCP or UDP or IP_RAW mode) -extern void close(SOCKET s); // Close socket -extern uint8_t connect(SOCKET s, uint8_t * addr, uint16_t port); // Establish TCP connection (Active connection) -extern void disconnect(SOCKET s); // disconnect the connection -extern uint8_t listen(SOCKET s); // Establish TCP connection (Passive connection) -extern uint16_t send(SOCKET s, const uint8_t * buf, uint16_t len); // Send data (TCP) -extern int16_t recv(SOCKET s, uint8_t * buf, int16_t len); // Receive data (TCP) -extern uint16_t peek(SOCKET s, uint8_t *buf); -extern uint16_t sendto(SOCKET s, const uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t port); // Send data (UDP/IP RAW) -extern uint16_t recvfrom(SOCKET s, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t *port); // Receive data (UDP/IP RAW) - -extern uint16_t igmpsend(SOCKET s, const uint8_t * buf, uint16_t len); - -// Functions to allow buffered UDP send (i.e. where the UDP datagram is built up over a -// number of calls before being sent -/* - @brief This function sets up a UDP datagram, the data for which will be provided by one - or more calls to bufferData and then finally sent with sendUDP. - @return 1 if the datagram was successfully set up, or 0 if there was an error -*/ -extern int startUDP(SOCKET s, uint8_t* addr, uint16_t port); -/* - @brief This function copies up to len bytes of data from buf into a UDP datagram to be - sent later by sendUDP. Allows datagrams to be built up from a series of bufferData calls. - @return Number of bytes successfully buffered -*/ -uint16_t bufferData(SOCKET s, uint16_t offset, const uint8_t* buf, uint16_t len); -/* - @brief Send a UDP datagram built up from a sequence of startUDP followed by one or more - calls to bufferData. - @return 1 if the datagram was successfully sent, or 0 if there was an error -*/ -int sendUDP(SOCKET s); - -#endif -/* _SOCKET_H_ */ diff --git a/libraries/Ethernet/utility/w5100.cpp b/libraries/Ethernet/utility/w5100.cpp deleted file mode 100644 index 9c748fd..0000000 --- a/libraries/Ethernet/utility/w5100.cpp +++ /dev/null @@ -1,188 +0,0 @@ -/* - * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st> - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of either the GNU General Public License version 2 - * or the GNU Lesser General Public License version 2.1, both as - * published by the Free Software Foundation. - */ - -#include <stdio.h> -#include <string.h> -#include <avr/interrupt.h> - -#include "w5100.h" - -// W5100 controller instance -W5100Class W5100; - -#define TX_RX_MAX_BUF_SIZE 2048 -#define TX_BUF 0x1100 -#define RX_BUF (TX_BUF + TX_RX_MAX_BUF_SIZE) - -#define TXBUF_BASE 0x4000 -#define RXBUF_BASE 0x6000 - -void W5100Class::init(void) -{ - delay(300); - - SPI.begin(); - initSS(); - - writeMR(1<<RST); - writeTMSR(0x55); - writeRMSR(0x55); - - for (int i=0; i<MAX_SOCK_NUM; i++) { - SBASE[i] = TXBUF_BASE + SSIZE * i; - RBASE[i] = RXBUF_BASE + RSIZE * i; - } -} - -uint16_t W5100Class::getTXFreeSize(SOCKET s) -{ - uint16_t val=0, val1=0; - do { - val1 = readSnTX_FSR(s); - if (val1 != 0) - val = readSnTX_FSR(s); - } - while (val != val1); - return val; -} - -uint16_t W5100Class::getRXReceivedSize(SOCKET s) -{ - uint16_t val=0,val1=0; - do { - val1 = readSnRX_RSR(s); - if (val1 != 0) - val = readSnRX_RSR(s); - } - while (val != val1); - return val; -} - - -void W5100Class::send_data_processing(SOCKET s, const uint8_t *data, uint16_t len) -{ - // This is same as having no offset in a call to send_data_processing_offset - send_data_processing_offset(s, 0, data, len); -} - -void W5100Class::send_data_processing_offset(SOCKET s, uint16_t data_offset, const uint8_t *data, uint16_t len) -{ - uint16_t ptr = readSnTX_WR(s); - ptr += data_offset; - uint16_t offset = ptr & SMASK; - uint16_t dstAddr = offset + SBASE[s]; - - if (offset + len > SSIZE) - { - // Wrap around circular buffer - uint16_t size = SSIZE - offset; - write(dstAddr, data, size); - write(SBASE[s], data + size, len - size); - } - else { - write(dstAddr, data, len); - } - - ptr += len; - writeSnTX_WR(s, ptr); -} - - -void W5100Class::recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek) -{ - uint16_t ptr; - ptr = readSnRX_RD(s); - read_data(s, (uint8_t *)ptr, data, len); - if (!peek) - { - ptr += len; - writeSnRX_RD(s, ptr); - } -} - -void W5100Class::read_data(SOCKET s, volatile uint8_t *src, volatile uint8_t *dst, uint16_t len) -{ - uint16_t size; - uint16_t src_mask; - uint16_t src_ptr; - - src_mask = (uint16_t)src & RMASK; - src_ptr = RBASE[s] + src_mask; - - if( (src_mask + len) > RSIZE ) - { - size = RSIZE - src_mask; - read(src_ptr, (uint8_t *)dst, size); - dst += size; - read(RBASE[s], (uint8_t *) dst, len - size); - } - else - read(src_ptr, (uint8_t *) dst, len); -} - - -uint8_t W5100Class::write(uint16_t _addr, uint8_t _data) -{ - setSS(); - SPI.transfer(0xF0); - SPI.transfer(_addr >> 8); - SPI.transfer(_addr & 0xFF); - SPI.transfer(_data); - resetSS(); - return 1; -} - -uint16_t W5100Class::write(uint16_t _addr, const uint8_t *_buf, uint16_t _len) -{ - for (uint16_t i=0; i<_len; i++) - { - setSS(); - SPI.transfer(0xF0); - SPI.transfer(_addr >> 8); - SPI.transfer(_addr & 0xFF); - _addr++; - SPI.transfer(_buf[i]); - resetSS(); - } - return _len; -} - -uint8_t W5100Class::read(uint16_t _addr) -{ - setSS(); - SPI.transfer(0x0F); - SPI.transfer(_addr >> 8); - SPI.transfer(_addr & 0xFF); - uint8_t _data = SPI.transfer(0); - resetSS(); - return _data; -} - -uint16_t W5100Class::read(uint16_t _addr, uint8_t *_buf, uint16_t _len) -{ - for (uint16_t i=0; i<_len; i++) - { - setSS(); - SPI.transfer(0x0F); - SPI.transfer(_addr >> 8); - SPI.transfer(_addr & 0xFF); - _addr++; - _buf[i] = SPI.transfer(0); - resetSS(); - } - return _len; -} - -void W5100Class::execCmdSn(SOCKET s, SockCMD _cmd) { - // Send command to socket - writeSnCR(s, _cmd); - // Wait for command to complete - while (readSnCR(s)) - ; -} diff --git a/libraries/Ethernet/utility/w5100.h b/libraries/Ethernet/utility/w5100.h deleted file mode 100644 index 8dccd9f..0000000 --- a/libraries/Ethernet/utility/w5100.h +++ /dev/null @@ -1,404 +0,0 @@ -/* - * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st> - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of either the GNU General Public License version 2 - * or the GNU Lesser General Public License version 2.1, both as - * published by the Free Software Foundation. - */ - -#ifndef W5100_H_INCLUDED -#define W5100_H_INCLUDED - -#include <avr/pgmspace.h> -#include <SPI.h> - -#define MAX_SOCK_NUM 4 - -typedef uint8_t SOCKET; - -#define IDM_OR 0x8000 -#define IDM_AR0 0x8001 -#define IDM_AR1 0x8002 -#define IDM_DR 0x8003 -/* -class MR { -public: - static const uint8_t RST = 0x80; - static const uint8_t PB = 0x10; - static const uint8_t PPPOE = 0x08; - static const uint8_t LB = 0x04; - static const uint8_t AI = 0x02; - static const uint8_t IND = 0x01; -}; -*/ -/* -class IR { -public: - static const uint8_t CONFLICT = 0x80; - static const uint8_t UNREACH = 0x40; - static const uint8_t PPPoE = 0x20; - static const uint8_t SOCK0 = 0x01; - static const uint8_t SOCK1 = 0x02; - static const uint8_t SOCK2 = 0x04; - static const uint8_t SOCK3 = 0x08; - static inline uint8_t SOCK(SOCKET ch) { return (0x01 << ch); }; -}; -*/ - -class SnMR { -public: - static const uint8_t CLOSE = 0x00; - static const uint8_t TCP = 0x01; - static const uint8_t UDP = 0x02; - static const uint8_t IPRAW = 0x03; - static const uint8_t MACRAW = 0x04; - static const uint8_t PPPOE = 0x05; - static const uint8_t ND = 0x20; - static const uint8_t MULTI = 0x80; -}; - -enum SockCMD { - Sock_OPEN = 0x01, - Sock_LISTEN = 0x02, - Sock_CONNECT = 0x04, - Sock_DISCON = 0x08, - Sock_CLOSE = 0x10, - Sock_SEND = 0x20, - Sock_SEND_MAC = 0x21, - Sock_SEND_KEEP = 0x22, - Sock_RECV = 0x40 -}; - -/*class SnCmd { -public: - static const uint8_t OPEN = 0x01; - static const uint8_t LISTEN = 0x02; - static const uint8_t CONNECT = 0x04; - static const uint8_t DISCON = 0x08; - static const uint8_t CLOSE = 0x10; - static const uint8_t SEND = 0x20; - static const uint8_t SEND_MAC = 0x21; - static const uint8_t SEND_KEEP = 0x22; - static const uint8_t RECV = 0x40; -}; -*/ - -class SnIR { -public: - static const uint8_t SEND_OK = 0x10; - static const uint8_t TIMEOUT = 0x08; - static const uint8_t RECV = 0x04; - static const uint8_t DISCON = 0x02; - static const uint8_t CON = 0x01; -}; - -class SnSR { -public: - static const uint8_t CLOSED = 0x00; - static const uint8_t INIT = 0x13; - static const uint8_t LISTEN = 0x14; - static const uint8_t SYNSENT = 0x15; - static const uint8_t SYNRECV = 0x16; - static const uint8_t ESTABLISHED = 0x17; - static const uint8_t FIN_WAIT = 0x18; - static const uint8_t CLOSING = 0x1A; - static const uint8_t TIME_WAIT = 0x1B; - static const uint8_t CLOSE_WAIT = 0x1C; - static const uint8_t LAST_ACK = 0x1D; - static const uint8_t UDP = 0x22; - static const uint8_t IPRAW = 0x32; - static const uint8_t MACRAW = 0x42; - static const uint8_t PPPOE = 0x5F; -}; - -class IPPROTO { -public: - static const uint8_t IP = 0; - static const uint8_t ICMP = 1; - static const uint8_t IGMP = 2; - static const uint8_t GGP = 3; - static const uint8_t TCP = 6; - static const uint8_t PUP = 12; - static const uint8_t UDP = 17; - static const uint8_t IDP = 22; - static const uint8_t ND = 77; - static const uint8_t RAW = 255; -}; - -class W5100Class { - -public: - void init(); - - /** - * @brief This function is being used for copy the data form Receive buffer of the chip to application buffer. - * - * It calculate the actual physical address where one has to read - * the data from Receive buffer. Here also take care of the condition while it exceed - * the Rx memory uper-bound of socket. - */ - void read_data(SOCKET s, volatile uint8_t * src, volatile uint8_t * dst, uint16_t len); - - /** - * @brief This function is being called by send() and sendto() function also. - * - * This function read the Tx write pointer register and after copy the data in buffer update the Tx write pointer - * register. User should read upper byte first and lower byte later to get proper value. - */ - void send_data_processing(SOCKET s, const uint8_t *data, uint16_t len); - /** - * @brief A copy of send_data_processing that uses the provided ptr for the - * write offset. Only needed for the "streaming" UDP API, where - * a single UDP packet is built up over a number of calls to - * send_data_processing_ptr, because TX_WR doesn't seem to get updated - * correctly in those scenarios - * @param ptr value to use in place of TX_WR. If 0, then the value is read - * in from TX_WR - * @return New value for ptr, to be used in the next call - */ -// FIXME Update documentation - void send_data_processing_offset(SOCKET s, uint16_t data_offset, const uint8_t *data, uint16_t len); - - /** - * @brief This function is being called by recv() also. - * - * This function read the Rx read pointer register - * and after copy the data from receive buffer update the Rx write pointer register. - * User should read upper byte first and lower byte later to get proper value. - */ - void recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek = 0); - - inline void setGatewayIp(uint8_t *_addr); - inline void getGatewayIp(uint8_t *_addr); - - inline void setSubnetMask(uint8_t *_addr); - inline void getSubnetMask(uint8_t *_addr); - - inline void setMACAddress(uint8_t * addr); - inline void getMACAddress(uint8_t * addr); - - inline void setIPAddress(uint8_t * addr); - inline void getIPAddress(uint8_t * addr); - - inline void setRetransmissionTime(uint16_t timeout); - inline void setRetransmissionCount(uint8_t _retry); - - void execCmdSn(SOCKET s, SockCMD _cmd); - - uint16_t getTXFreeSize(SOCKET s); - uint16_t getRXReceivedSize(SOCKET s); - - - // W5100 Registers - // --------------- -private: - static uint8_t write(uint16_t _addr, uint8_t _data); - static uint16_t write(uint16_t addr, const uint8_t *buf, uint16_t len); - static uint8_t read(uint16_t addr); - static uint16_t read(uint16_t addr, uint8_t *buf, uint16_t len); - -#define __GP_REGISTER8(name, address) \ - static inline void write##name(uint8_t _data) { \ - write(address, _data); \ - } \ - static inline uint8_t read##name() { \ - return read(address); \ - } -#define __GP_REGISTER16(name, address) \ - static void write##name(uint16_t _data) { \ - write(address, _data >> 8); \ - write(address+1, _data & 0xFF); \ - } \ - static uint16_t read##name() { \ - uint16_t res = read(address); \ - res = (res << 8) + read(address + 1); \ - return res; \ - } -#define __GP_REGISTER_N(name, address, size) \ - static uint16_t write##name(uint8_t *_buff) { \ - return write(address, _buff, size); \ - } \ - static uint16_t read##name(uint8_t *_buff) { \ - return read(address, _buff, size); \ - } - -public: - __GP_REGISTER8 (MR, 0x0000); // Mode - __GP_REGISTER_N(GAR, 0x0001, 4); // Gateway IP address - __GP_REGISTER_N(SUBR, 0x0005, 4); // Subnet mask address - __GP_REGISTER_N(SHAR, 0x0009, 6); // Source MAC address - __GP_REGISTER_N(SIPR, 0x000F, 4); // Source IP address - __GP_REGISTER8 (IR, 0x0015); // Interrupt - __GP_REGISTER8 (IMR, 0x0016); // Interrupt Mask - __GP_REGISTER16(RTR, 0x0017); // Timeout address - __GP_REGISTER8 (RCR, 0x0019); // Retry count - __GP_REGISTER8 (RMSR, 0x001A); // Receive memory size - __GP_REGISTER8 (TMSR, 0x001B); // Transmit memory size - __GP_REGISTER8 (PATR, 0x001C); // Authentication type address in PPPoE mode - __GP_REGISTER8 (PTIMER, 0x0028); // PPP LCP Request Timer - __GP_REGISTER8 (PMAGIC, 0x0029); // PPP LCP Magic Number - __GP_REGISTER_N(UIPR, 0x002A, 4); // Unreachable IP address in UDP mode - __GP_REGISTER16(UPORT, 0x002E); // Unreachable Port address in UDP mode - -#undef __GP_REGISTER8 -#undef __GP_REGISTER16 -#undef __GP_REGISTER_N - - // W5100 Socket registers - // ---------------------- -private: - static inline uint8_t readSn(SOCKET _s, uint16_t _addr); - static inline uint8_t writeSn(SOCKET _s, uint16_t _addr, uint8_t _data); - static inline uint16_t readSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t len); - static inline uint16_t writeSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t len); - - static const uint16_t CH_BASE = 0x0400; - static const uint16_t CH_SIZE = 0x0100; - -#define __SOCKET_REGISTER8(name, address) \ - static inline void write##name(SOCKET _s, uint8_t _data) { \ - writeSn(_s, address, _data); \ - } \ - static inline uint8_t read##name(SOCKET _s) { \ - return readSn(_s, address); \ - } -#define __SOCKET_REGISTER16(name, address) \ - static void write##name(SOCKET _s, uint16_t _data) { \ - writeSn(_s, address, _data >> 8); \ - writeSn(_s, address+1, _data & 0xFF); \ - } \ - static uint16_t read##name(SOCKET _s) { \ - uint16_t res = readSn(_s, address); \ - uint16_t res2 = readSn(_s,address + 1); \ - res = res << 8; \ - res2 = res2 & 0xFF; \ - res = res | res2; \ - return res; \ - } -#define __SOCKET_REGISTER_N(name, address, size) \ - static uint16_t write##name(SOCKET _s, uint8_t *_buff) { \ - return writeSn(_s, address, _buff, size); \ - } \ - static uint16_t read##name(SOCKET _s, uint8_t *_buff) { \ - return readSn(_s, address, _buff, size); \ - } - -public: - __SOCKET_REGISTER8(SnMR, 0x0000) // Mode - __SOCKET_REGISTER8(SnCR, 0x0001) // Command - __SOCKET_REGISTER8(SnIR, 0x0002) // Interrupt - __SOCKET_REGISTER8(SnSR, 0x0003) // Status - __SOCKET_REGISTER16(SnPORT, 0x0004) // Source Port - __SOCKET_REGISTER_N(SnDHAR, 0x0006, 6) // Destination Hardw Addr - __SOCKET_REGISTER_N(SnDIPR, 0x000C, 4) // Destination IP Addr - __SOCKET_REGISTER16(SnDPORT, 0x0010) // Destination Port - __SOCKET_REGISTER16(SnMSSR, 0x0012) // Max Segment Size - __SOCKET_REGISTER8(SnPROTO, 0x0014) // Protocol in IP RAW Mode - __SOCKET_REGISTER8(SnTOS, 0x0015) // IP TOS - __SOCKET_REGISTER8(SnTTL, 0x0016) // IP TTL - __SOCKET_REGISTER16(SnTX_FSR, 0x0020) // TX Free Size - __SOCKET_REGISTER16(SnTX_RD, 0x0022) // TX Read Pointer - __SOCKET_REGISTER16(SnTX_WR, 0x0024) // TX Write Pointer - __SOCKET_REGISTER16(SnRX_RSR, 0x0026) // RX Free Size - __SOCKET_REGISTER16(SnRX_RD, 0x0028) // RX Read Pointer - __SOCKET_REGISTER16(SnRX_WR, 0x002A) // RX Write Pointer (supported?) - -#undef __SOCKET_REGISTER8 -#undef __SOCKET_REGISTER16 -#undef __SOCKET_REGISTER_N - - -private: - static const uint8_t RST = 7; // Reset BIT - - static const int SOCKETS = 4; - static const uint16_t SMASK = 0x07FF; // Tx buffer MASK - static const uint16_t RMASK = 0x07FF; // Rx buffer MASK -public: - static const uint16_t SSIZE = 2048; // Max Tx buffer size -private: - static const uint16_t RSIZE = 2048; // Max Rx buffer size - uint16_t SBASE[SOCKETS]; // Tx buffer base address - uint16_t RBASE[SOCKETS]; // Rx buffer base address - -private: -#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) - inline static void initSS() { DDRB |= _BV(4); }; - inline static void setSS() { PORTB &= ~_BV(4); }; - inline static void resetSS() { PORTB |= _BV(4); }; -#elif defined(__AVR_ATmega32U4__) - inline static void initSS() { DDRB |= _BV(6); }; - inline static void setSS() { PORTB &= ~_BV(6); }; - inline static void resetSS() { PORTB |= _BV(6); }; -#elif defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB162__) - inline static void initSS() { DDRB |= _BV(0); }; - inline static void setSS() { PORTB &= ~_BV(0); }; - inline static void resetSS() { PORTB |= _BV(0); }; -#else - inline static void initSS() { DDRB |= _BV(2); }; - inline static void setSS() { PORTB &= ~_BV(2); }; - inline static void resetSS() { PORTB |= _BV(2); }; -#endif - -}; - -extern W5100Class W5100; - -uint8_t W5100Class::readSn(SOCKET _s, uint16_t _addr) { - return read(CH_BASE + _s * CH_SIZE + _addr); -} - -uint8_t W5100Class::writeSn(SOCKET _s, uint16_t _addr, uint8_t _data) { - return write(CH_BASE + _s * CH_SIZE + _addr, _data); -} - -uint16_t W5100Class::readSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t _len) { - return read(CH_BASE + _s * CH_SIZE + _addr, _buf, _len); -} - -uint16_t W5100Class::writeSn(SOCKET _s, uint16_t _addr, uint8_t *_buf, uint16_t _len) { - return write(CH_BASE + _s * CH_SIZE + _addr, _buf, _len); -} - -void W5100Class::getGatewayIp(uint8_t *_addr) { - readGAR(_addr); -} - -void W5100Class::setGatewayIp(uint8_t *_addr) { - writeGAR(_addr); -} - -void W5100Class::getSubnetMask(uint8_t *_addr) { - readSUBR(_addr); -} - -void W5100Class::setSubnetMask(uint8_t *_addr) { - writeSUBR(_addr); -} - -void W5100Class::getMACAddress(uint8_t *_addr) { - readSHAR(_addr); -} - -void W5100Class::setMACAddress(uint8_t *_addr) { - writeSHAR(_addr); -} - -void W5100Class::getIPAddress(uint8_t *_addr) { - readSIPR(_addr); -} - -void W5100Class::setIPAddress(uint8_t *_addr) { - writeSIPR(_addr); -} - -void W5100Class::setRetransmissionTime(uint16_t _timeout) { - writeRTR(_timeout); -} - -void W5100Class::setRetransmissionCount(uint8_t _retry) { - writeRCR(_retry); -} - -#endif |