Diff: WIZnet/W5500.h

Revision:

0:77e050d1fb12

Child:

1:2dee44ea52a9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5500.h	Fri Jun 02 22:00:49 2017 +0000
@@ -0,0 +1,262 @@
+
+#pragma once
+
+#include "mbed.h"
+#include "mbed_debug.h"
+
+#define TEST_ASSERT(A) while(!(A)){debug("\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
+
+#define DEFAULT_WAIT_RESP_TIMEOUT 500
+
+enum Protocol {
+    CLOSED = 0,
+    TCP    = 1,
+    UDP    = 2,
+};
+
+enum Command {
+    OPEN      = 0x01,
+    LISTEN    = 0x02,
+    CONNECT   = 0x04,
+    DISCON    = 0x08,
+    CLOSE     = 0x10,
+    SEND      = 0x20,
+    SEND_MAC  = 0x21, 
+    SEND_KEEP = 0x22,
+    RECV      = 0x40,
+    
+};
+
+enum Interrupt {
+    INT_CON     = 0x01,
+    INT_DISCON  = 0x02,
+    INT_RECV    = 0x04,
+    INT_TIMEOUT = 0x08,
+    INT_SEND_OK = 0x10,
+};
+
+enum Status {
+    SOCK_CLOSED      = 0x00,
+    SOCK_INIT        = 0x13,
+    SOCK_LISTEN      = 0x14,
+    SOCK_SYNSENT     = 0x15,
+    SOCK_ESTABLISHED = 0x17,
+    SOCK_CLOSE_WAIT  = 0x1c,
+    SOCK_UDP         = 0x22,
+};
+
+#define MAX_SOCK_NUM 8
+
+#define MR        0x0000
+#define GAR       0x0001
+#define SUBR      0x0005
+#define SHAR      0x0009
+#define SIPR      0x000f
+#define PHYSTATUS 0x0035
+
+// W5500 socket register
+#define Sn_MR         0x0000
+#define Sn_CR         0x0001
+#define Sn_IR         0x0002
+#define Sn_SR         0x0003
+#define Sn_PORT       0x0004
+#define Sn_DIPR       0x000c
+#define Sn_DPORT      0x0010
+#define Sn_RXBUF_SIZE 0x001e
+#define Sn_TXBUF_SIZE 0x001f
+#define Sn_TX_FSR     0x0020
+#define Sn_TX_WR      0x0024
+#define Sn_RX_RSR     0x0026
+#define Sn_RX_RD      0x0028
+
+class WIZnet_Chip {
+public:
+    /*
+    * Constructor
+    *
+    * @param spi spi class
+    * @param cs cs of the W5500
+    * @param reset reset pin of the W5500
+    */
+    WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+    WIZnet_Chip(SPI* spi, PinName cs, PinName reset);
+
+    /*
+    * Set MAC Address to W5500
+    *
+    * @return true if connected, false otherwise
+    */ 
+    bool setmac();
+
+    /*
+    * Set Network Informations (SrcIP, Netmask, Gataway)
+    *
+    * @return true if connected, false otherwise
+    */ 
+    bool setip();
+
+    /*
+    * Disconnect the connection
+    *
+    * @ returns true 
+    */
+    bool disconnect();
+
+    /*
+    * Open a tcp connection with the specified host on the specified port
+    *
+    * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established)
+    * @param port port
+    * @ returns true if successful
+    */
+    bool connect(int socket, const char * host, int port, int timeout_ms = 10*1000);
+
+    /*
+    * Set the protocol (UDP or TCP)
+    *
+    * @param p protocol
+    * @ returns true if successful
+    */
+    bool setProtocol(int socket, Protocol p);
+
+    /*
+    * Reset the W5500
+    */
+    void reset();
+   
+    int wait_readable(int socket, int wait_time_ms, int req_size = 0);
+
+    int wait_writeable(int socket, int wait_time_ms, int req_size = 0);
+
+    /*
+    * Check if a tcp link is active
+    *
+    * @returns true if successful
+    */
+    bool is_connected(int socket);
+
+    /*
+    * Close a tcp connection
+    *
+    * @ returns true if successful
+    */
+    bool close(int socket);
+
+    /*
+    * @param str string to be sent
+    * @param len string length
+    */
+    int send(int socket, const char * str, int len);
+
+    int recv(int socket, char* buf, int len);
+
+    /*
+    * Return true if the module is using dhcp
+    *
+    * @returns true if the module is using dhcp
+    */
+    bool isDHCP() {
+        return dhcp;
+    }
+
+    bool gethostbyname(const char* host, uint32_t* ip);
+
+    static WIZnet_Chip * getInstance() {
+        return inst;
+    };
+
+    int new_socket();
+    uint16_t new_port();
+    void scmd(int socket, Command cmd);
+
+    template<typename T>
+    void sreg(int socket, uint16_t addr, T data) {
+        reg_wr<T>(addr, (0x0C + (socket << 5)), data);
+    }
+
+    template<typename T>
+    T sreg(int socket, uint16_t addr) {
+        return reg_rd<T>(addr, (0x08 + (socket << 5)));
+    }
+
+    template<typename T>
+    void reg_wr(uint16_t addr, T data) {
+        return reg_wr(addr, 0x04, data);
+    }
+    
+    template<typename T>
+    void reg_wr(uint16_t addr, uint8_t cb, T data) {
+        uint8_t buf[sizeof(T)];
+        *reinterpret_cast<T*>(buf) = data;
+        for(int i = 0; i < sizeof(buf)/2; i++) { //  Little Endian to Big Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        spi_write(addr, cb, buf, sizeof(buf));
+    }
+
+    template<typename T>
+    T reg_rd(uint16_t addr) {
+        return reg_rd<T>(addr, 0x00);
+    }
+
+    template<typename T>
+    T reg_rd(uint16_t addr, uint8_t cb) {
+        uint8_t buf[sizeof(T)];
+        spi_read(addr, cb, buf, sizeof(buf));
+        for(int i = 0; i < sizeof(buf)/2; i++) { // Big Endian to Little Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        return *reinterpret_cast<T*>(buf);
+    }
+
+    void reg_rd_mac(uint16_t addr, uint8_t* data) {
+        spi_read(addr, 0x00, data, 6);
+    }
+
+    void reg_wr_ip(uint16_t addr, uint8_t cb, const char* ip) {
+        uint8_t buf[4];
+        char* p = (char*)ip;
+        for(int i = 0; i < 4; i++) {
+            buf[i] = atoi(p);
+            p = strchr(p, '.');
+            if (p == NULL) {
+                break;
+            }
+            p++;
+        }
+        spi_write(addr, cb, buf, sizeof(buf));
+    }
+
+    void sreg_ip(int socket, uint16_t addr, const char* ip) {
+        reg_wr_ip(addr, (0x0C + (socket << 5)), ip);
+    }
+
+protected:
+    uint8_t mac[6];
+    uint32_t ip;
+    uint32_t netmask;
+    uint32_t gateway;
+    uint32_t dnsaddr;
+    bool dhcp;
+
+    static WIZnet_Chip* inst;
+
+    void reg_wr_mac(uint16_t addr, uint8_t* data) {
+        spi_write(addr, 0x04, data, 6);
+    }
+
+    void spi_write(uint16_t addr, uint8_t cb, const uint8_t *buf, uint16_t len);
+    void spi_read(uint16_t addr, uint8_t cb, uint8_t *buf, uint16_t len);
+    SPI* spi;
+    DigitalOut cs;
+    DigitalOut reset_pin;
+};
+
+extern uint32_t str_to_ip(const char* str);
+extern void printfBytes(char* str, uint8_t* buf, int len);
+extern void printHex(uint8_t* buf, int len);
+extern void debug_hex(uint8_t* buf, int len);