Zoltan Hudak
/
UdpClient_ENC28J60
Simple UDP Client using the UIPEthernet library for ENC28J60 Ethernet boards.
Diff: main.cpp
- Revision:
- 3:6a6fe4ef95b9
- Parent:
- 2:c69ad6e71f97
--- a/main.cpp Tue Sep 03 09:19:55 2019 +0000 +++ b/main.cpp Sat Sep 07 18:12:05 2019 +0000 @@ -15,7 +15,7 @@ */ #include "mbed.h" #include "UipEthernet.h" - + // MAC address must be unique within the connected network. Modify as appropriate. const uint8_t MAC[6] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 }; UipEthernet net(MAC, D11, D12, D13, D10); // mosi, miso, sck, cs @@ -23,7 +23,7 @@ { uint32_t secs; // Transmit Time-stamp seconds. } ntp_packet; - + /** * @brief * @note @@ -38,25 +38,25 @@ printf("Error connecting\n"); return -1; } - + // Show the network address const char* ip = net.get_ip_address(); const char* netmask = net.get_netmask(); const char* gateway = net.get_gateway(); - + printf("IP address: %s\r\n", ip ? ip : "None"); printf("Netmask: %s\r\n", netmask ? netmask : "None"); printf("Gateway: %s\r\n\r\n", gateway ? gateway : "None"); - + UdpSocket socket(&net); SocketAddress sockAddr; char out_buffer[] = "time"; - + if (socket.sendto("time.nist.gov", 37, out_buffer, sizeof(out_buffer)) < 0) { printf("Error sending data\n"); return -1; } - + ntp_packet in_data; socket.recvfrom(&sockAddr, &in_data, sizeof(ntp_packet)); in_data.secs = ntohl(in_data.secs) - 2208988800; // 1900-1970 @@ -64,9 +64,9 @@ printf("Time = %s", ctime((const time_t*) &in_data.secs)); printf("Time Server Address: %s\r\n", sockAddr.get_ip_address()); printf("Time Server Port: %d\n\r", sockAddr.get_port()); - + // Close the socket and bring down the network interface socket.close(); net.disconnect(); return 0; -} +} \ No newline at end of file