W7500x_toe.h

00001 /* Copyright (C) 2012 mbed.org, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  *
00018  */
00019 #pragma once
00020 
00021 #include "mbed.h"
00022 #include "mbed_debug.h"
00023 
00024 #define TEST_ASSERT(A) while(!(A)){debug("\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
00025 
00026 #define DEFAULT_WAIT_RESP_TIMEOUT 500
00027 
00028 
00029 #define MAX_SOCK_NUM 8
00030 
00031 // Peripheral base address 
00032 #define W7500x_WZTOE_BASE   (0x46000000)
00033 #define W7500x_TXMEM_BASE   (W7500x_WZTOE_BASE + 0x00020000)
00034 #define W7500x_RXMEM_BASE   (W7500x_WZTOE_BASE + 0x00030000)
00035 // Common register
00036 #define MR                  (0x2300)
00037 #define GAR                 (0x6008)
00038 #define SUBR                (0x600C)
00039 #define SHAR                (0x6000)
00040 #define SIPR                (0x6010)
00041 
00042 // Added Common register @W7500
00043 #define TIC100US            (0x2000) 
00044 
00045 // Socket register
00046 #define Sn_MR               (0x0000)
00047 #define Sn_CR               (0x0010)
00048 #define Sn_IR               (0x0020) //--Sn_ISR
00049 #define Sn_SR               (0x0030)
00050 #define Sn_PORT             (0x0114)
00051 #define Sn_DIPR             (0x0124)
00052 #define Sn_DPORT            (0x0120)
00053 #define Sn_RXBUF_SIZE       (0x0200)
00054 #define Sn_TXBUF_SIZE       (0x0220)
00055 #define Sn_TX_FSR           (0x0204)
00056 #define Sn_TX_WR            (0x020C)
00057 #define Sn_RX_RSR           (0x0224)
00058 #define Sn_RX_RD            (0x0228)
00059 // added Socket register @W7500
00060 #define Sn_ICR              (0x0028)
00061 enum PHYMode {
00062     AutoNegotiate = 0,
00063     HalfDuplex10  = 1,
00064     FullDuplex10  = 2,
00065     HalfDuplex100 = 3,
00066     FullDuplex100 = 4,
00067 };
00068 
00069 //bool plink(int wait_time_ms= 3*1000);
00070 
00071 class WIZnet_Chip {
00072 public:
00073 enum Protocol {
00074     CLOSED = 0,
00075     TCP    = 1,
00076     UDP    = 2,
00077 };
00078 
00079 enum Command {
00080     OPEN      = 0x01,
00081     LISTEN    = 0x02,
00082     CONNECT   = 0x04,
00083     DISCON    = 0x08,
00084     CLOSE     = 0x10,
00085     SEND      = 0x20,
00086     SEND_MAC  = 0x21, 
00087     SEND_KEEP = 0x22,
00088     RECV      = 0x40,
00089     
00090 };
00091 
00092 enum Interrupt {
00093     INT_CON     = 0x01,
00094     INT_DISCON  = 0x02,
00095     INT_RECV    = 0x04,
00096     INT_TIMEOUT = 0x08,
00097     INT_SEND_OK = 0x10,
00098 };
00099 enum Status {
00100     SOCK_CLOSED      = 0x00,
00101     SOCK_INIT        = 0x13,
00102     SOCK_LISTEN      = 0x14,
00103     SOCK_SYNSENT     = 0x15,
00104     SOCK_ESTABLISHED = 0x17,
00105     SOCK_CLOSE_WAIT  = 0x1c,
00106     SOCK_UDP         = 0x22,
00107 };
00108 enum Mode {
00109     MR_RST           = 0x80,   
00110     MR_WOL           = 0x20,   
00111     MR_PB            = 0x10,   
00112     MR_FARP          = 0x02,   
00113 };
00114 
00115     WIZnet_Chip();
00116 
00117     /*
00118     * Set MAC Address to W7500x_TOE
00119     *
00120     * @return true if connected, false otherwise
00121     */ 
00122     bool setmac();
00123 
00124     /*
00125     * Connect the W7500 WZTOE to the ssid contained in the constructor.
00126     *
00127     * @return true if connected, false otherwise
00128     */ 
00129     bool setip();
00130 
00131 
00132     /*
00133     * Open a tcp connection with the specified host on the specified port
00134     *
00135     * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established)
00136     * @param port port
00137     * @ returns true if successful
00138     */
00139     bool connect(int socket, const char * host, int port, int timeout_ms = 10*1000);
00140 
00141     /*
00142     * Set the protocol (UDP or TCP)
00143     *
00144     * @param p protocol
00145     * @ returns true if successful
00146     */
00147     bool setProtocol(int socket, Protocol p);
00148 
00149     /*
00150     * Reset the W7500 WZTOE
00151     */
00152     void reset();
00153    
00154     int wait_readable(int socket, int wait_time_ms, int req_size = 0);
00155 
00156     int wait_writeable(int socket, int wait_time_ms, int req_size = 0);
00157 
00158     /*
00159     * Check if an ethernet link is pressent or not.
00160     *
00161     * @returns true if successful
00162     */
00163     bool link(int wait_time_ms= 3*1000);
00164 
00165     /*
00166     * Sets the speed and duplex parameters of an ethernet link.
00167     *
00168     * @returns true if successful
00169     */
00170     void set_link(PHYMode phymode);
00171 
00172     /*
00173     * Check if a tcp link is active
00174     *
00175     * @returns true if successful
00176     */
00177     bool is_connected(int socket);
00178 
00179     /*
00180     * Close a tcp connection
00181     *
00182     * @ returns true if successful
00183     */
00184     bool close(int socket);
00185 
00186     /*
00187     * @param str string to be sent
00188     * @param len string length
00189     */
00190     int send(int socket, const char * str, int len);
00191 
00192     int recv(int socket, char* buf, int len);
00193 
00194     /*
00195     * Return true if the module is using dhcp
00196     *
00197     * @returns true if the module is using dhcp
00198     */
00199     bool isDHCP() {
00200         return dhcp;
00201     }
00202 
00203     bool gethostbyname(const char* host, uint32_t* ip);
00204 
00205     static WIZnet_Chip * getInstance() {
00206         return inst;
00207     };
00208 
00209     int new_socket();
00210     uint16_t new_port();
00211 
00212     void scmd(int socket, Command cmd);
00213 
00214     template<typename T>
00215     void sreg(int socket, uint16_t addr, T data) {
00216         reg_wr<T>(addr, (uint8_t)(0x01+(socket<<2)), data);
00217     }
00218 
00219     template<typename T>
00220     T sreg(int socket, uint16_t addr) {
00221         return reg_rd<T>(addr, (uint8_t)(0x01+(socket<<2)));
00222     }
00223 
00224     template<typename T>
00225     void reg_wr(uint16_t addr, T data) {
00226         return reg_wr(addr, 0x00, data);
00227     }
00228     
00229     template<typename T>
00230     void reg_wr(uint16_t addr, uint8_t cb, T data) {
00231         uint8_t buf[sizeof(T)];
00232         *reinterpret_cast<T*>(buf) = data;
00233         /*
00234         for(int i = 0; i < sizeof(buf)/2; i++) { //  Little Endian to Big Endian
00235             uint8_t t = buf[i];
00236             buf[i] = buf[sizeof(buf)-1-i];
00237             buf[sizeof(buf)-1-i] = t;
00238         }
00239         */
00240         for(int i = 0; i < sizeof(buf); i++) { //  Little Endian to Big Endian
00241             *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)((cb<<16)+addr)+i) = buf[i];
00242         }
00243     }
00244 
00245     template<typename T>
00246     T reg_rd(uint16_t addr) {
00247         return reg_rd<T>(addr, (uint8_t)(0x00));
00248     }
00249 
00250     template<typename T>
00251     T reg_rd(uint16_t addr, uint8_t cb) {
00252         uint8_t buf[sizeof(T)] = {0,};
00253         for(int i = 0; i < sizeof(buf); i++) { //  Little Endian to Big Endian
00254             buf[i] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)((cb<<16)+addr)+i);
00255         }
00256         /*
00257         for(int i = 0; i < sizeof(buf)/2; i++) { // Big Endian to Little Endian
00258             uint8_t t = buf[i];
00259             buf[i] = buf[sizeof(buf)-1-i];
00260             buf[sizeof(buf)-1-i] = t;
00261         }
00262         */
00263         return *reinterpret_cast<T*>(buf);
00264     }
00265 
00266     void reg_rd_mac(uint16_t addr, uint8_t* data);
00267     
00268     void reg_wr_ip(uint16_t addr, uint8_t cb, const char* ip);
00269 
00270     void sreg_ip(int socket, uint16_t addr, const char* ip);
00271 
00272     int ethernet_link(void);
00273     
00274     void ethernet_set_link(int speed, int duplex);
00275 
00276 
00277 protected:
00278     uint8_t mac[6];
00279     uint32_t ip;
00280     uint32_t netmask;
00281     uint32_t gateway;
00282     uint32_t dnsaddr;
00283     bool dhcp;
00284 
00285     static WIZnet_Chip* inst;
00286 
00287     void reg_wr_mac(uint16_t addr, uint8_t* data) {
00288         *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+3)) = data[0] ;
00289         *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+2)) = data[1] ;
00290         *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+1)) = data[2] ;
00291         *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+0)) = data[3] ;
00292         *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+7)) = data[4] ;
00293         *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+6)) = data[5] ;
00294     }
00295 };
00296 
00297 extern uint32_t str_to_ip(const char* str);
00298 extern void printfBytes(char* str, uint8_t* buf, int len);
00299 extern void printHex(uint8_t* buf, int len);
00300 extern void debug_hex(uint8_t* buf, int len);