Update of W5500 Interface for mbed-os
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);