rohan gala / WIZnet_Library

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500, W5200 and W5100. One of them can be selected by enabling it in wiznet.h.

Dependents:   bigthingRecfinal

Fork of WIZnet_Library by WIZnet

WIZnetInterface/WIZnet/W5100.h@1:8138a268fbd2, 2014-05-09 (annotated)

Committer:
jbkim
Date:
Fri May 09 01:17:51 2014 +0000
Revision:
1:8138a268fbd2
Parent:
0:b72d22e10709
Child:
8:cb8808b47e69
Wiznet Ethernet library 1st release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jbkim 0:b72d22e10709 1 /* Copyright (C) 2012 mbed.org, MIT License
jbkim 0:b72d22e10709 2 *
jbkim 0:b72d22e10709 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jbkim 0:b72d22e10709 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jbkim 0:b72d22e10709 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jbkim 0:b72d22e10709 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jbkim 0:b72d22e10709 7 * furnished to do so, subject to the following conditions:
jbkim 0:b72d22e10709 8 *
jbkim 0:b72d22e10709 9 * The above copyright notice and this permission notice shall be included in all copies or
jbkim 0:b72d22e10709 10 * substantial portions of the Software.
jbkim 0:b72d22e10709 11 *
jbkim 0:b72d22e10709 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jbkim 0:b72d22e10709 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jbkim 0:b72d22e10709 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jbkim 0:b72d22e10709 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jbkim 0:b72d22e10709 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jbkim 0:b72d22e10709 17 *
jbkim 0:b72d22e10709 18 */
jbkim 0:b72d22e10709 19
jbkim 0:b72d22e10709 20 #pragma once
jbkim 0:b72d22e10709 21
jbkim 0:b72d22e10709 22 #include "mbed.h"
jbkim 0:b72d22e10709 23 #include "mbed_debug.h"
jbkim 0:b72d22e10709 24
jbkim 0:b72d22e10709 25 #define TEST_ASSERT(A) while(!(A)){debug("\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
jbkim 0:b72d22e10709 26
jbkim 0:b72d22e10709 27 #define DEFAULT_WAIT_RESP_TIMEOUT 500
jbkim 0:b72d22e10709 28
jbkim 0:b72d22e10709 29 enum Protocol {
jbkim 0:b72d22e10709 30 CLOSED = 0,
jbkim 0:b72d22e10709 31 TCP = 1,
jbkim 0:b72d22e10709 32 UDP = 2,
jbkim 0:b72d22e10709 33 };
jbkim 0:b72d22e10709 34
jbkim 0:b72d22e10709 35 enum Command {
jbkim 0:b72d22e10709 36 OPEN = 0x01,
jbkim 0:b72d22e10709 37 LISTEN = 0x02,
jbkim 0:b72d22e10709 38 CONNECT = 0x04,
jbkim 0:b72d22e10709 39 DISCON = 0x08,
jbkim 0:b72d22e10709 40 CLOSE = 0x10,
jbkim 0:b72d22e10709 41 SEND = 0x20,
jbkim 0:b72d22e10709 42 SEND_MAC = 0x21,
jbkim 0:b72d22e10709 43 SEND_KEEP = 0x22,
jbkim 0:b72d22e10709 44 RECV = 0x40,
jbkim 0:b72d22e10709 45
jbkim 0:b72d22e10709 46 };
jbkim 0:b72d22e10709 47
jbkim 0:b72d22e10709 48 enum Interrupt {
jbkim 0:b72d22e10709 49 INT_CON = 0x01,
jbkim 0:b72d22e10709 50 INT_DISCON = 0x02,
jbkim 0:b72d22e10709 51 INT_RECV = 0x04,
jbkim 0:b72d22e10709 52 INT_TIMEOUT = 0x08,
jbkim 0:b72d22e10709 53 INT_SEND_OK = 0x10,
jbkim 0:b72d22e10709 54 };
jbkim 0:b72d22e10709 55
jbkim 0:b72d22e10709 56 enum Status {
jbkim 0:b72d22e10709 57 SOCK_CLOSED = 0x00,
jbkim 0:b72d22e10709 58 SOCK_INIT = 0x13,
jbkim 0:b72d22e10709 59 SOCK_LISTEN = 0x14,
jbkim 0:b72d22e10709 60 SOCK_ESTABLISHED = 0x17,
jbkim 0:b72d22e10709 61 SOCK_CLOSE_WAIT = 0x1c,
jbkim 0:b72d22e10709 62 SOCK_UDP = 0x22,
jbkim 0:b72d22e10709 63 };
jbkim 0:b72d22e10709 64
jbkim 0:b72d22e10709 65 #define MAX_SOCK_NUM 4
jbkim 0:b72d22e10709 66
jbkim 0:b72d22e10709 67 #define MR 0x0000
jbkim 0:b72d22e10709 68 #define GAR 0x0001
jbkim 0:b72d22e10709 69 #define SUBR 0x0005
jbkim 0:b72d22e10709 70 #define SHAR 0x0009
jbkim 0:b72d22e10709 71 #define SIPR 0x000f
jbkim 0:b72d22e10709 72
jbkim 0:b72d22e10709 73 // W5100 socket
jbkim 0:b72d22e10709 74 #define Sn_MR 0x0400
jbkim 0:b72d22e10709 75 #define Sn_CR 0x0401
jbkim 0:b72d22e10709 76 #define Sn_IR 0x0402
jbkim 0:b72d22e10709 77 #define Sn_SR 0x0403
jbkim 0:b72d22e10709 78 #define Sn_PORT 0x0404
jbkim 0:b72d22e10709 79 #define Sn_DIPR 0x040c
jbkim 0:b72d22e10709 80 #define Sn_DPORT 0x0410
jbkim 0:b72d22e10709 81 //#define Sn_RXBUF_SIZE 0x401e
jbkim 0:b72d22e10709 82 //#define Sn_TXBUF_SIZE 0x401f
jbkim 0:b72d22e10709 83 #define Sn_TX_FSR 0x0420
jbkim 0:b72d22e10709 84 #define Sn_TX_WR 0x0424
jbkim 0:b72d22e10709 85 #define Sn_RX_RSR 0x0426
jbkim 0:b72d22e10709 86 #define Sn_RX_RD 0x0428
jbkim 0:b72d22e10709 87
jbkim 0:b72d22e10709 88 class WIZnet_Chip {
jbkim 0:b72d22e10709 89 public:
jbkim 0:b72d22e10709 90 /*
jbkim 0:b72d22e10709 91 * Constructor
jbkim 0:b72d22e10709 92 *
jbkim 0:b72d22e10709 93 * @param spi spi class
jbkim 0:b72d22e10709 94 * @param cs cs of the W5200
jbkim 0:b72d22e10709 95 * @param reset reset pin of the W5200
jbkim 0:b72d22e10709 96 */
jbkim 0:b72d22e10709 97 WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
jbkim 0:b72d22e10709 98 WIZnet_Chip(SPI* spi, PinName cs, PinName reset);
jbkim 0:b72d22e10709 99
jbkim 0:b72d22e10709 100 /*
jbkim 0:b72d22e10709 101 * Connect the W5200 module to the ssid contained in the constructor.
jbkim 0:b72d22e10709 102 *
jbkim 0:b72d22e10709 103 * @return true if connected, false otherwise
jbkim 0:b72d22e10709 104 */
jbkim 0:b72d22e10709 105 bool setip();
jbkim 0:b72d22e10709 106
jbkim 0:b72d22e10709 107 /*
jbkim 0:b72d22e10709 108 * Disconnect the W5200 module from the access point
jbkim 0:b72d22e10709 109 *
jbkim 0:b72d22e10709 110 * @ returns true if successful
jbkim 0:b72d22e10709 111 */
jbkim 0:b72d22e10709 112 bool disconnect();
jbkim 0:b72d22e10709 113
jbkim 0:b72d22e10709 114 /*
jbkim 0:b72d22e10709 115 * Open a tcp connection with the specified host on the specified port
jbkim 0:b72d22e10709 116 *
jbkim 0:b72d22e10709 117 * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established)
jbkim 0:b72d22e10709 118 * @param port port
jbkim 0:b72d22e10709 119 * @ returns true if successful
jbkim 0:b72d22e10709 120 */
jbkim 0:b72d22e10709 121 bool connect(int socket, const char * host, int port, int timeout_ms = 10*1000);
jbkim 0:b72d22e10709 122
jbkim 0:b72d22e10709 123 /*
jbkim 0:b72d22e10709 124 * Set the protocol (UDP or TCP)
jbkim 0:b72d22e10709 125 *
jbkim 0:b72d22e10709 126 * @param p protocol
jbkim 0:b72d22e10709 127 * @ returns true if successful
jbkim 0:b72d22e10709 128 */
jbkim 0:b72d22e10709 129 bool setProtocol(int socket, Protocol p);
jbkim 0:b72d22e10709 130
jbkim 0:b72d22e10709 131 /*
jbkim 0:b72d22e10709 132 * Reset the W5100 module
jbkim 0:b72d22e10709 133 */
jbkim 0:b72d22e10709 134 void reset();
jbkim 0:b72d22e10709 135
jbkim 0:b72d22e10709 136
jbkim 0:b72d22e10709 137 int wait_readable(int socket, int wait_time_ms, int req_size = 0);
jbkim 0:b72d22e10709 138
jbkim 0:b72d22e10709 139 int wait_writeable(int socket, int wait_time_ms, int req_size = 0);
jbkim 0:b72d22e10709 140
jbkim 0:b72d22e10709 141 /*
jbkim 0:b72d22e10709 142 * Check if a tcp link is active
jbkim 0:b72d22e10709 143 *
jbkim 0:b72d22e10709 144 * @returns true if successful
jbkim 0:b72d22e10709 145 */
jbkim 0:b72d22e10709 146 bool is_connected(int socket);
jbkim 0:b72d22e10709 147
jbkim 0:b72d22e10709 148 /*
jbkim 0:b72d22e10709 149 * Close a tcp connection
jbkim 0:b72d22e10709 150 *
jbkim 0:b72d22e10709 151 * @ returns true if successful
jbkim 0:b72d22e10709 152 */
jbkim 0:b72d22e10709 153 bool close(int socket);
jbkim 0:b72d22e10709 154
jbkim 0:b72d22e10709 155 /*
jbkim 0:b72d22e10709 156 * @param str string to be sent
jbkim 0:b72d22e10709 157 * @param len string length
jbkim 0:b72d22e10709 158 */
jbkim 0:b72d22e10709 159 int send(int socket, const char * str, int len);
jbkim 0:b72d22e10709 160
jbkim 0:b72d22e10709 161 int recv(int socket, char* buf, int len);
jbkim 0:b72d22e10709 162
jbkim 0:b72d22e10709 163 /*
jbkim 0:b72d22e10709 164 * Return true if the module is using dhcp
jbkim 0:b72d22e10709 165 *
jbkim 0:b72d22e10709 166 * @returns true if the module is using dhcp
jbkim 0:b72d22e10709 167 */
jbkim 0:b72d22e10709 168 bool isDHCP() {
jbkim 0:b72d22e10709 169 return dhcp;
jbkim 0:b72d22e10709 170 }
jbkim 0:b72d22e10709 171
jbkim 0:b72d22e10709 172 bool gethostbyname(const char* host, uint32_t* ip);
jbkim 0:b72d22e10709 173
jbkim 0:b72d22e10709 174 static WIZnet_Chip * getInstance() {
jbkim 0:b72d22e10709 175 return inst;
jbkim 0:b72d22e10709 176 };
jbkim 0:b72d22e10709 177
jbkim 0:b72d22e10709 178 int new_socket();
jbkim 0:b72d22e10709 179 uint16_t new_port();
jbkim 0:b72d22e10709 180 void scmd(int socket, Command cmd);
jbkim 0:b72d22e10709 181
jbkim 0:b72d22e10709 182 template<typename T>
jbkim 0:b72d22e10709 183 void sreg(int socket, uint16_t addr, T data) {
jbkim 0:b72d22e10709 184 reg_wr<T>(addr+0x100*socket, data);
jbkim 0:b72d22e10709 185 }
jbkim 0:b72d22e10709 186
jbkim 0:b72d22e10709 187 template<typename T>
jbkim 0:b72d22e10709 188 T sreg(int socket, uint16_t addr) {
jbkim 0:b72d22e10709 189 return reg_rd<T>(addr+0x100*socket);
jbkim 0:b72d22e10709 190 }
jbkim 0:b72d22e10709 191
jbkim 0:b72d22e10709 192 template<typename T>
jbkim 0:b72d22e10709 193 void reg_wr(uint16_t addr, T data) {
jbkim 0:b72d22e10709 194 uint8_t buf[sizeof(T)];
jbkim 0:b72d22e10709 195 *reinterpret_cast<T*>(buf) = data;
jbkim 0:b72d22e10709 196 for(int i = 0; i < sizeof(buf)/2; i++) { // Little Endian to Big Endian
jbkim 0:b72d22e10709 197 uint8_t t = buf[i];
jbkim 0:b72d22e10709 198 buf[i] = buf[sizeof(buf)-1-i];
jbkim 0:b72d22e10709 199 buf[sizeof(buf)-1-i] = t;
jbkim 0:b72d22e10709 200 }
jbkim 0:b72d22e10709 201 spi_write(addr, buf, sizeof(buf));
jbkim 0:b72d22e10709 202 }
jbkim 0:b72d22e10709 203
jbkim 0:b72d22e10709 204 template<typename T>
jbkim 0:b72d22e10709 205 T reg_rd(uint16_t addr) {
jbkim 0:b72d22e10709 206 uint8_t buf[sizeof(T)];
jbkim 0:b72d22e10709 207 spi_read(addr, buf, sizeof(buf));
jbkim 0:b72d22e10709 208 for(int i = 0; i < sizeof(buf)/2; i++) { // Big Endian to Little Endian
jbkim 0:b72d22e10709 209 uint8_t t = buf[i];
jbkim 0:b72d22e10709 210 buf[i] = buf[sizeof(buf)-1-i];
jbkim 0:b72d22e10709 211 buf[sizeof(buf)-1-i] = t;
jbkim 0:b72d22e10709 212 }
jbkim 0:b72d22e10709 213 return *reinterpret_cast<T*>(buf);
jbkim 0:b72d22e10709 214 }
jbkim 0:b72d22e10709 215
jbkim 0:b72d22e10709 216 void reg_rd_mac(uint16_t addr, uint8_t* data) {
jbkim 0:b72d22e10709 217 spi_read(addr, data, 6);
jbkim 0:b72d22e10709 218 }
jbkim 0:b72d22e10709 219
jbkim 0:b72d22e10709 220 void reg_wr_ip(uint16_t addr, const char* ip) {
jbkim 0:b72d22e10709 221 uint8_t buf[4];
jbkim 0:b72d22e10709 222 char* p = (char*)ip;
jbkim 0:b72d22e10709 223 for(int i = 0; i < 4; i++) {
jbkim 0:b72d22e10709 224 buf[i] = atoi(p);
jbkim 0:b72d22e10709 225 p = strchr(p, '.');
jbkim 0:b72d22e10709 226 if (p == NULL) {
jbkim 0:b72d22e10709 227 break;
jbkim 0:b72d22e10709 228 }
jbkim 0:b72d22e10709 229 p++;
jbkim 0:b72d22e10709 230 }
jbkim 0:b72d22e10709 231 spi_write(addr, buf, sizeof(buf));
jbkim 0:b72d22e10709 232 }
jbkim 0:b72d22e10709 233
jbkim 0:b72d22e10709 234 void sreg_ip(int socket, uint16_t addr, const char* ip) {
jbkim 0:b72d22e10709 235 reg_wr_ip(addr+0x100*socket, ip);
jbkim 0:b72d22e10709 236 }
jbkim 0:b72d22e10709 237
jbkim 0:b72d22e10709 238 protected:
jbkim 1:8138a268fbd2 239 uint8_t mac[6];
jbkim 0:b72d22e10709 240 uint32_t ip;
jbkim 0:b72d22e10709 241 uint32_t netmask;
jbkim 0:b72d22e10709 242 uint32_t gateway;
jbkim 0:b72d22e10709 243 uint32_t dnsaddr;
jbkim 0:b72d22e10709 244 bool dhcp;
jbkim 0:b72d22e10709 245
jbkim 0:b72d22e10709 246 static WIZnet_Chip* inst;
jbkim 0:b72d22e10709 247
jbkim 0:b72d22e10709 248 void reg_wr_mac(uint16_t addr, uint8_t* data) {
jbkim 0:b72d22e10709 249 spi_write(addr, data, 6);
jbkim 0:b72d22e10709 250 }
jbkim 0:b72d22e10709 251
jbkim 0:b72d22e10709 252 void spi_write(uint16_t addr, const uint8_t *buf, uint16_t len);
jbkim 0:b72d22e10709 253 void spi_read(uint16_t addr, uint8_t *buf, uint16_t len);
jbkim 0:b72d22e10709 254 SPI* spi;
jbkim 0:b72d22e10709 255 DigitalOut cs;
jbkim 0:b72d22e10709 256 DigitalOut reset_pin;
jbkim 0:b72d22e10709 257 };
jbkim 0:b72d22e10709 258
jbkim 0:b72d22e10709 259 extern uint32_t str_to_ip(const char* str);
jbkim 0:b72d22e10709 260 extern void printfBytes(char* str, uint8_t* buf, int len);
jbkim 0:b72d22e10709 261 extern void printHex(uint8_t* buf, int len);
jbkim 0:b72d22e10709 262 extern void debug_hex(uint8_t* buf, int len);