Diff: EthernetInterface.cpp

Revision:

0:e9275bdfa393

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EthernetInterface.cpp	Thu May 02 20:47:25 2019 +0000
@@ -0,0 +1,184 @@
+// EthernetInterface for W5500 2014/8/20
+/*
+// sample usgae. 
+// copy below code block to main code.
+
+#if defined(TARGET_LPC1114)
+    SPI spi(dp2, dp1, dp6); // mosi, miso, sclk
+    EthernetInterface eth(&spi, dp25, dp26); // spi, cs, reset
+    wait(1); // 1 second for stable state
+#elif defined(TARGET_LPC1768)
+    SPI spi(p11, p12, p13); // mosi, miso, sclk
+    EthernetInterface eth(&spi, p14, p15); // spi, cs, reset
+    wait(1); // 1 second for stable state
+#elif defined(TARGET_LPC11U68)
+    SPI spi(P0_9, P0_8, P1_29); // mosi, miso, sclk
+    EthernetInterface eth(&spi, P0_2, P1_28);//, nRESET(p9); // reset pin is dummy, don't affect any pin of WIZ550io
+    spi.format(8,0); // 8bit, mode 0
+    spi.frequency(7000000); // 7MHz
+    wait(1); // 1 second for stable state
+#endif
+
+    eth.init(); //Use DHCP
+    dbg.printf("init\r\n");
+    eth.connect();
+    dbg.printf("IP address: %s\r\n", eth.getIPAddress());
+
+*/
+
+#include "EthernetInterface.h"
+#include "DHCPClient.h"
+//static char ip_string[17];
+//static uint32_t ipaddr ;
+EthernetInterface::EthernetInterface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset) :
+        WIZnet_Chip(mosi, miso, sclk, cs, reset)
+{
+    ip_set = false;
+}
+
+EthernetInterface::EthernetInterface(SPI* spi, PinName cs, PinName reset) :
+        WIZnet_Chip(spi, cs, reset)
+{
+    ip_set = false;
+}
+
+
+int EthernetInterface::init()
+{
+    dhcp = true;
+    //
+    //for (int i =0; i < 6; i++) this->mac[i] = mac[i];
+    //
+    reset();
+    return 0;
+}
+
+int EthernetInterface::init(uint8_t * mac)
+{
+    dhcp = true;
+    //
+    for (int i =0; i < 6; i++) this->mac[i] = mac[i];
+    //
+    reset();
+    setmac();    
+    return 0;
+}
+
+// add this function, because sometimes no needed MAC address in init calling.
+int EthernetInterface::init(const char* ip, const char* mask, const char* gateway)
+{
+    dhcp = false;
+    //
+    //for (int i =0; i < 6; i++) this->mac[i] = mac[i];
+    //
+    this->ip = str_to_ip(ip);
+    strcpy(ip_string, ip);
+    ip_set = true;
+    this->netmask = str_to_ip(mask);
+    this->gateway = str_to_ip(gateway);
+    reset();
+    
+    // @Jul. 8. 2014 add code. should be called to write chip.
+    setip(); 
+    
+    return 0;
+}
+
+int EthernetInterface::init(uint8_t * mac, const char* ip, const char* mask, const char* gateway)
+{
+    dhcp = false;
+    //
+    for (int i =0; i < 6; i++) this->mac[i] = mac[i];
+    //
+    this->ip = str_to_ip(ip);
+    strcpy(ip_string, ip);
+    ip_set = true;
+    this->netmask = str_to_ip(mask);
+    this->gateway = str_to_ip(gateway);
+    reset();
+
+    // @Jul. 8. 2014 add code. should be called to write chip.
+    setmac();
+    setip();
+    
+    return 0;
+}
+
+// Connect Bring the interface up, start DHCP if needed.
+int EthernetInterface::connect()
+{
+    if (dhcp) {
+        int r = IPrenew();
+        if (r < 0) {
+            return r;
+        }
+    }
+    
+    if (WIZnet_Chip::setip() == false) return -1;
+    return 0;
+}
+
+// Disconnect Bring the interface down.
+int EthernetInterface::disconnect()
+{
+    if (WIZnet_Chip::disconnect() == false) return -1;
+    return 0;
+}
+
+/*
+void EthernetInterface::getip(void)
+{
+    //ip = 0x12345678;
+    ipaddr = reg_rd<uint32_t>(SIPR);
+    //snprintf(ip_string, sizeof(ip_string), "%d.%d.%d.%d", (ipaddr>>24)&0xff, (ipaddr>>16)&0xff, (ipaddr>>8)&0xff, ipaddr&0xff);   
+}
+*/
+char* EthernetInterface::getIPAddress()
+{
+    //Suint32_t ip = inet_getip(SIPR);//reg_rd<uint32_t>(SIPR);
+    //static uint32_t ip = getip();
+    //uint32_t ip = getip();
+    
+    uint32_t ip = reg_rd<uint32_t>(SIPR);
+    snprintf(ip_string, sizeof(ip_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);   
+    return ip_string;
+}
+
+char* EthernetInterface::getNetworkMask()
+{
+    uint32_t ip = reg_rd<uint32_t>(SUBR);
+    snprintf(mask_string, sizeof(mask_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
+    return mask_string;
+}
+
+char* EthernetInterface::getGateway()
+{
+    uint32_t ip = reg_rd<uint32_t>(GAR);
+    snprintf(gw_string, sizeof(gw_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
+    return gw_string;
+}
+
+char* EthernetInterface::getMACAddress()
+{
+    uint8_t mac[6];
+    reg_rd_mac(SHAR, mac);
+    snprintf(mac_string, sizeof(mac_string), "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+    return mac_string; 
+}
+
+int EthernetInterface::IPrenew(int timeout_ms)
+{
+//    printf("DHCP Started, waiting for IP...\n");  
+    DHCPClient dhcp;
+    int err = dhcp.setup(timeout_ms);
+    if (err == (-1)) {
+//        printf("Timeout.\n");
+        return -1;
+    }
+//    printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
+    ip      = (dhcp.yiaddr[0] <<24) | (dhcp.yiaddr[1] <<16) | (dhcp.yiaddr[2] <<8) | dhcp.yiaddr[3];
+    gateway = (dhcp.gateway[0]<<24) | (dhcp.gateway[1]<<16) | (dhcp.gateway[2]<<8) | dhcp.gateway[3];
+    netmask = (dhcp.netmask[0]<<24) | (dhcp.netmask[1]<<16) | (dhcp.netmask[2]<<8) | dhcp.netmask[3];
+    dnsaddr = (dhcp.dnsaddr[0]<<24) | (dhcp.dnsaddr[1]<<16) | (dhcp.dnsaddr[2]<<8) | dhcp.dnsaddr[3];
+    return 0;
+}