wifly tcp echo client example
Dependencies: WiflyInterface mbed
main.cpp
00001 #include "mbed.h" 00002 #include "WiflyInterface.h" 00003 00004 const char* ECHO_SERVER_ADDRESS = "192.168.1.2"; 00005 const int ECHO_SERVER_PORT = 7; 00006 00007 /* wifly object where: 00008 * - p9 and p10 are for the serial communication 00009 * - p25 is for the reset pin 00010 * - p26 is for the connection status 00011 * - "mbed" is the ssid of the network 00012 * - "password" is the password 00013 * - WPA is the security 00014 */ 00015 WiflyInterface wifly(p9, p10, p25, p26, "mbed", "password", WPA); 00016 00017 int main() { 00018 wifly.init(); // use DHCP 00019 while (!wifly.connect()); // join the network 00020 printf("IP Address is %s\n\r", wifly.getIPAddress()); 00021 00022 TCPSocketConnection socket; 00023 while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0) { 00024 printf("Unable to connect to (%s) on port (%d)\r\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT); 00025 wait(1); 00026 } 00027 socket.set_blocking(false, 1500); 00028 00029 char out_buffer[256]; 00030 char in_buffer[256]; 00031 int i = 0; 00032 00033 while (1) { 00034 sprintf(out_buffer, "Echo TCP client: %d\r\n", i++); 00035 int len = strlen(out_buffer); 00036 socket.send_all(out_buffer, len); 00037 00038 int n = socket.receive_all(in_buffer, len); 00039 if (n < 0) continue; 00040 00041 in_buffer[n] = '\0'; 00042 printf("%s", in_buffer); 00043 } 00044 }
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