Diff: WIZ820ioInterface.cpp

Revision:

5:fb15c35d1e28

Parent:

1:fb4494783863

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZ820ioInterface.cpp	Tue Aug 27 12:50:11 2013 +0000
@@ -0,0 +1,75 @@
+// WIZ820ioInterface.cpp 2013/4/5
+#include "WIZ820ioInterface.h"
+#include "DHCPClient.h"
+
+WIZ820ioInterface::WIZ820ioInterface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset) :
+    WIZ820io(mosi, miso, sclk, cs, reset)
+{
+    ip_set = false;
+}
+
+WIZ820ioInterface::WIZ820ioInterface(SPI* spi, PinName cs, PinName reset) :
+    WIZ820io(spi, cs, reset)
+{
+    ip_set = false;
+}
+
+int WIZ820ioInterface::init()
+{
+    dhcp = true;
+    reset();
+    return 0;
+}
+
+int WIZ820ioInterface::init(const char* ip, const char* mask, const char* gateway)
+{
+    dhcp = false;
+    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();
+    return 0;
+}
+
+int WIZ820ioInterface::connect()
+{
+    if (dhcp) {
+        int r = IPrenew();
+        if (r < 0) {
+            return r;
+        }
+    }
+    return join();
+}
+
+int WIZ820ioInterface::disconnect()
+{
+    return WIZ820io::disconnect();
+}
+
+char* WIZ820ioInterface::getIPAddress()
+{
+    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); 
+    ip_set = true;
+    return ip_string;
+}
+
+int WIZ820ioInterface::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;
+}