WIZ820io(W5200) network interface、EthernetNetIf compatible.

/media/uploads/va009039/wiz820ionetif.jpg

example

#include "WIZ820ioNetIf.h"
#include "HTTPClient.h"
#include "HTTPServer.h"

#if defined(TARGET_KL25Z)
WIZ820ioNetIf eth(PTD2,PTD3,PTD1,PTD0,PTD5);
#endif
HTTPClient http;
HTTPStream stream;

void callback(HTTPResult r){
    printf("callback %d %s\n", r, HTTPClient::ResultStr(r));
}

int main() {
    int err = eth.setup();
    if (err < 0) {
        printf("setup error %d\n", err);
        exit(-1);
    }    

    HTTPServer svr;
    svr.addHandler<SimpleHandler>("/");
    svr.bind(80);

    const char* uri = "http://va009039-mbed.appspot.com/kl25z/";
    http.get(uri, &stream, callback);
    uint8_t buf[256];
    int total = 0;
    stream.readNext(buf, sizeof(buf));
    while(1) {
        if(stream.readable()) {
            int len = stream.readLen();
            total += len;
            printf("%d %d\n", total, len);
            stream.readNext(buf, sizeof(buf));
        }
        Net::poll();
    }
}
Committer:
va009039
Date:
Sun Mar 24 11:25:31 2013 +0000
Revision:
1:22b9052d864d
Parent:
0:bdeec5f86894
WIZ820io(W8200) ethernet interface, EthernetNetIf compatible.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 1:22b9052d864d 1 // WIZ820ioNetIf.cpp 2013/3/24
va009039 0:bdeec5f86894 2 #include "WIZ820ioNetIf.h"
va009039 1:22b9052d864d 3 #include "DHCPClient.h"
va009039 1:22b9052d864d 4 #include "w5200.h"
va009039 1:22b9052d864d 5 extern SPI* pSPI; // w5200.cpp
va009039 1:22b9052d864d 6 extern DigitalOut* pCS; // w5200.cpp
va009039 0:bdeec5f86894 7
va009039 0:bdeec5f86894 8 DigitalOut* pRESET = NULL;
va009039 0:bdeec5f86894 9
va009039 1:22b9052d864d 10 WIZ820ioNetIf::WIZ820ioNetIf(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset)
va009039 1:22b9052d864d 11 :MyNetIf(), m_netmask(255,255,255,255), m_gateway(), m_hostname(NULL)
va009039 1:22b9052d864d 12 {
va009039 1:22b9052d864d 13 m_hostname = NULL;
va009039 1:22b9052d864d 14 m_useDhcp = true;
va009039 1:22b9052d864d 15 pin_assign(mosi, miso, sclk, cs, reset);
va009039 1:22b9052d864d 16 }
va009039 1:22b9052d864d 17
va009039 1:22b9052d864d 18 void WIZ820ioNetIf::config(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns)
va009039 1:22b9052d864d 19 {
va009039 1:22b9052d864d 20 m_ip = ip;
va009039 1:22b9052d864d 21 m_netmask = netmask;
va009039 1:22b9052d864d 22 m_gateway = gateway;
va009039 1:22b9052d864d 23 m_dns = dns;
va009039 1:22b9052d864d 24 m_useDhcp = false;
va009039 1:22b9052d864d 25 }
va009039 1:22b9052d864d 26
va009039 1:22b9052d864d 27 void WIZ820ioNetIf::pin_assign(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset)
va009039 1:22b9052d864d 28 {
va009039 1:22b9052d864d 29 pSPI = new SPI(mosi, miso, sclk);
va009039 1:22b9052d864d 30 pCS = new DigitalOut(cs);
va009039 1:22b9052d864d 31 if (reset != NC) {
va009039 1:22b9052d864d 32 pRESET = new DigitalOut(reset);
va009039 1:22b9052d864d 33 }
va009039 0:bdeec5f86894 34 }
va009039 0:bdeec5f86894 35
va009039 1:22b9052d864d 36 void hardware_reset() {
va009039 1:22b9052d864d 37 if (pRESET) {
va009039 1:22b9052d864d 38 pRESET->write(1);
va009039 1:22b9052d864d 39 pRESET->write(0);
va009039 1:22b9052d864d 40 wait_us(2);
va009039 1:22b9052d864d 41 pRESET->write(1);
va009039 1:22b9052d864d 42 wait_ms(150);
va009039 1:22b9052d864d 43 }
va009039 1:22b9052d864d 44 }
va009039 1:22b9052d864d 45
va009039 1:22b9052d864d 46 bool wait_linkup(int timeout_ms = 5*1000) {
va009039 0:bdeec5f86894 47 Timer link_t;
va009039 1:22b9052d864d 48 link_t.reset();
va009039 0:bdeec5f86894 49 link_t.start();
va009039 1:22b9052d864d 50 uint8_t status = 0x00;
va009039 1:22b9052d864d 51 while(link_t.read_ms() < timeout_ms) {
va009039 1:22b9052d864d 52 status = W5200.readPHYSTATUS();
va009039 1:22b9052d864d 53 if (status & 0x20) {
va009039 1:22b9052d864d 54 printf("Link Up\n");
va009039 0:bdeec5f86894 55 return true;
va009039 0:bdeec5f86894 56 }
va009039 1:22b9052d864d 57 wait_ms(50);
va009039 0:bdeec5f86894 58 }
va009039 1:22b9052d864d 59 printf("Link down\n");
va009039 1:22b9052d864d 60 if (status & 0x08) {
va009039 1:22b9052d864d 61 printf("Power down mode\n");
va009039 1:22b9052d864d 62 }
va009039 0:bdeec5f86894 63 return false;
va009039 0:bdeec5f86894 64 }
va009039 0:bdeec5f86894 65
va009039 0:bdeec5f86894 66 int WIZ820ioNetIf::setup(int timeout_ms) {
va009039 0:bdeec5f86894 67 hardware_reset();
va009039 1:22b9052d864d 68 W5200.init();
va009039 1:22b9052d864d 69 if (!wait_linkup()) {
va009039 1:22b9052d864d 70 return W5200_SETUP_ERR_LINK_DOWN;
va009039 1:22b9052d864d 71 }
va009039 1:22b9052d864d 72
va009039 1:22b9052d864d 73 MyNetIf::init();
va009039 1:22b9052d864d 74 uint8_t mac[6];
va009039 1:22b9052d864d 75 mbed_mac_address((char*)mac);
va009039 1:22b9052d864d 76 W5200.setMACAddress(mac);
va009039 1:22b9052d864d 77 printf("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n", mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);
va009039 1:22b9052d864d 78 if(! m_useDhcp) {
va009039 1:22b9052d864d 79 return W5200_OK;
va009039 1:22b9052d864d 80 }
va009039 1:22b9052d864d 81 return IPrenew(timeout_ms);
va009039 1:22b9052d864d 82 }
va009039 1:22b9052d864d 83
va009039 1:22b9052d864d 84 W5200Err WIZ820ioNetIf::IPrenew(int timeout_ms) {
va009039 1:22b9052d864d 85 printf("DHCP Started, waiting for IP...\n");
va009039 1:22b9052d864d 86 DHCPClient dhcp;
va009039 1:22b9052d864d 87 int err = dhcp.setup(timeout_ms);
va009039 1:22b9052d864d 88 if (err == (-1)) {
va009039 1:22b9052d864d 89 printf("Timeout.\n");
va009039 1:22b9052d864d 90 return W5200_TIMEOUT;
va009039 0:bdeec5f86894 91 }
va009039 1:22b9052d864d 92 printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
va009039 1:22b9052d864d 93 m_ip = IpAddr(dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
va009039 1:22b9052d864d 94 m_netmask = IpAddr(dhcp.netmask[0],dhcp.netmask[1],dhcp.netmask[2],dhcp.netmask[3]);
va009039 1:22b9052d864d 95 m_gateway = IpAddr(dhcp.gateway[0],dhcp.gateway[1],dhcp.gateway[2],dhcp.gateway[3]);
va009039 1:22b9052d864d 96 uint8_t t[4];
va009039 1:22b9052d864d 97 t[0] = m_ip[0];
va009039 1:22b9052d864d 98 t[1] = m_ip[1];
va009039 1:22b9052d864d 99 t[2] = m_ip[2];
va009039 1:22b9052d864d 100 t[3] = m_ip[3];
va009039 1:22b9052d864d 101 W5200.writeSIPR(t);
va009039 1:22b9052d864d 102 t[0] = m_netmask[0];
va009039 1:22b9052d864d 103 t[1] = m_netmask[1];
va009039 1:22b9052d864d 104 t[2] = m_netmask[2];
va009039 1:22b9052d864d 105 t[3] = m_netmask[3];
va009039 1:22b9052d864d 106 W5200.writeSUBR(t);
va009039 1:22b9052d864d 107 t[0] = m_gateway[0];
va009039 1:22b9052d864d 108 t[1] = m_gateway[1];
va009039 1:22b9052d864d 109 t[2] = m_gateway[2];
va009039 1:22b9052d864d 110 t[3] = m_gateway[3];
va009039 1:22b9052d864d 111 W5200.writeGAR(t);
va009039 1:22b9052d864d 112 m_dns = IpAddr(dhcp.dnsaddr[0],dhcp.dnsaddr[1],dhcp.dnsaddr[2],dhcp.dnsaddr[3]);
va009039 1:22b9052d864d 113 return W5200_OK;
va009039 0:bdeec5f86894 114 }
va009039 1:22b9052d864d 115
va009039 1:22b9052d864d 116 W5200Err WIZ820ioNetIf::IPrelease(int timeout_ms) {
va009039 1:22b9052d864d 117 return W5200_OK;
va009039 1:22b9052d864d 118 }