Dependencies: mbed EthernetNetIf
PMK_UDP_client.cpp@1:42d45015ad30, 2015-04-30 (annotated)
- Committer:
- nenad
- Date:
- Thu Apr 30 13:27:01 2015 +0000
- Revision:
- 1:42d45015ad30
- Parent:
- 0:527185ce17bc
azurirani portovi
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nenad | 0:527185ce17bc | 1 | #include "mbed.h" |
nenad | 0:527185ce17bc | 2 | #include "EthernetNetIf.h" |
nenad | 0:527185ce17bc | 3 | #include "UDPSocket.h" |
nenad | 0:527185ce17bc | 4 | |
nenad | 0:527185ce17bc | 5 | //EthernetNetIf eth ; |
nenad | 0:527185ce17bc | 6 | EthernetNetIf eth( |
nenad | 0:527185ce17bc | 7 | IpAddr(192,168,1,111), //IP Address |
nenad | 0:527185ce17bc | 8 | IpAddr(255,255,255,0), //Network Mask |
nenad | 0:527185ce17bc | 9 | IpAddr(192,168,0,1), //Gateway |
nenad | 0:527185ce17bc | 10 | IpAddr(192,168,0,1) //DNS |
nenad | 0:527185ce17bc | 11 | ); |
nenad | 0:527185ce17bc | 12 | |
nenad | 0:527185ce17bc | 13 | UDPSocket udp; |
nenad | 0:527185ce17bc | 14 | int global_counter=0; |
nenad | 0:527185ce17bc | 15 | void onUDPSocketEvent(UDPSocketEvent e) |
nenad | 0:527185ce17bc | 16 | { |
nenad | 0:527185ce17bc | 17 | switch(e) |
nenad | 0:527185ce17bc | 18 | { |
nenad | 0:527185ce17bc | 19 | case UDPSOCKET_READABLE: //The only event for now |
nenad | 0:527185ce17bc | 20 | char buf[64] = {0}; |
nenad | 0:527185ce17bc | 21 | Host host; |
nenad | 0:527185ce17bc | 22 | while( int len = udp.recvfrom( buf, 63, &host ) ) |
nenad | 0:527185ce17bc | 23 | { |
nenad | 0:527185ce17bc | 24 | if( len <= 0 ) |
nenad | 0:527185ce17bc | 25 | break; |
nenad | 0:527185ce17bc | 26 | printf("Received from %d.%d.%d.%d: %s\r\n", host.getIp()[0], host.getIp()[1], host.getIp()[2], host.getIp()[3], buf); |
nenad | 0:527185ce17bc | 27 | printf("\n"); |
nenad | 0:527185ce17bc | 28 | } |
nenad | 0:527185ce17bc | 29 | break; |
nenad | 0:527185ce17bc | 30 | } |
nenad | 0:527185ce17bc | 31 | } |
nenad | 0:527185ce17bc | 32 | |
nenad | 0:527185ce17bc | 33 | int main() { |
nenad | 0:527185ce17bc | 34 | printf("Setting up...\n"); |
nenad | 0:527185ce17bc | 35 | EthernetErr ethErr = eth.setup(30000); |
nenad | 0:527185ce17bc | 36 | if(ethErr) |
nenad | 0:527185ce17bc | 37 | { |
nenad | 0:527185ce17bc | 38 | printf("Error %d in setup.\n", ethErr); |
nenad | 0:527185ce17bc | 39 | return -1; |
nenad | 0:527185ce17bc | 40 | } |
nenad | 0:527185ce17bc | 41 | printf("Setup OK\n"); |
nenad | 0:527185ce17bc | 42 | |
nenad | 0:527185ce17bc | 43 | Host multicast(IpAddr(224,0,0,0), 50000); //Join multicast group on port 50000 |
nenad | 0:527185ce17bc | 44 | |
nenad | 0:527185ce17bc | 45 | udp.setOnEvent(&onUDPSocketEvent); |
nenad | 0:527185ce17bc | 46 | |
nenad | 0:527185ce17bc | 47 | udp.bind(multicast); |
nenad | 0:527185ce17bc | 48 | |
nenad | 0:527185ce17bc | 49 | Timer tmr; |
nenad | 0:527185ce17bc | 50 | tmr.start(); |
nenad | 0:527185ce17bc | 51 | while(true) |
nenad | 0:527185ce17bc | 52 | { |
nenad | 0:527185ce17bc | 53 | Net::poll(); |
nenad | 0:527185ce17bc | 54 | if(tmr.read() > 2) |
nenad | 0:527185ce17bc | 55 | { |
nenad | 0:527185ce17bc | 56 | char Buffer[100]={0}; |
nenad | 0:527185ce17bc | 57 | global_counter++; |
nenad | 0:527185ce17bc | 58 | sprintf(Buffer,"Counter=%d", global_counter); |
nenad | 0:527185ce17bc | 59 | printf("Sent to group: Counter=%d\r\n", global_counter); |
nenad | 0:527185ce17bc | 60 | udp.sendto( Buffer, strlen(Buffer)+1, &multicast ); |
nenad | 0:527185ce17bc | 61 | tmr.reset(); |
nenad | 0:527185ce17bc | 62 | } |
nenad | 0:527185ce17bc | 63 | } |
nenad | 0:527185ce17bc | 64 | |
nenad | 0:527185ce17bc | 65 | |
nenad | 0:527185ce17bc | 66 | } |