Free (GPLv2) TCP/IP stack developed by TASS Belgium
Dependents: lpc1768-picotcp-demo ZeroMQ_PicoTCP_Publisher_demo TCPSocket_HelloWorld_PicoTCP Pico_TCP_UDP_Test ... more
PicoTCP. Copyright (c) 2013 TASS Belgium NV.
Released under the GNU General Public License, version 2.
Different licensing models may exist, at the sole discretion of the Copyright holders.
Official homepage: http://www.picotcp.com
Bug tracker: https://github.com/tass-belgium/picotcp/issues
Development steps:
initial integration with mbed RTOSgeneric mbed Ethernet driverhigh performance NXP LPC1768 specific Ethernet driverMulti-threading support for mbed RTOSBerkeley sockets and integration with the New Socket APIFork of the apps running on top of the New Socket APIScheduling optimizations- Debugging/benchmarking/testing
Demo application (measuring TCP sender performance):
Import programlpc1768-picotcp-demo
A PicoTCP demo app testing the ethernet throughput on the lpc1768 mbed board.
Diff: Socket/TCPSocketConnection.cpp
- Revision:
- 39:8d4d653d94bd
- Parent:
- 37:bdf736327c71
- Child:
- 44:ffd9a11d4f95
--- a/Socket/TCPSocketConnection.cpp Fri Jul 05 12:38:29 2013 +0000 +++ b/Socket/TCPSocketConnection.cpp Thu Jul 11 10:17:25 2013 +0000 @@ -64,13 +64,21 @@ int TCPSocketConnection::send(char* data, int length) { int ret; - if ((_ep < 0) || !_is_connected) + if ((_ep == NULL) || !_is_connected) return -1; + if(is_writable()) + { + ret = picotcp_write(_ep, data, length); + if(ret < length) + _ep->revents &= (~PICO_SOCK_EV_WR); + if(ret) // data was read or error was reported + return ret; + } + TimeInterval timeout(!_blocking ? _timeout : osWaitForever); if (wait_writable(timeout) != 0) { - printf("Failed\n"); return -1; } @@ -84,34 +92,26 @@ // -1 if unsuccessful, else number of bytes written int TCPSocketConnection::send_all(char* data, int length) { - int ret; - if ((_ep < 0) || !_is_connected) - return -1; - - - TimeInterval timeout(!_blocking? _timeout : osWaitForever); - // Wait for socket to be writeable - if (wait_writable(timeout) != 0) { - return 0; - } - ret = picotcp_write(_ep, data, length); - if (ret < length) { - _ep->revents &= (~PICO_SOCK_EV_WR); - //printf("Short write\n"); - } - return ret; + return send(data,length); } int TCPSocketConnection::receive(char* data, int length) { int ret; - if ((_ep < 0) || !_is_connected) + if ((_ep == NULL) || !_is_connected) return -1; + if(is_readable()) + { + ret = picotcp_read(_ep, data, length); + if(ret<length) + _ep->revents &= (~PICO_SOCK_EV_RD); + if(ret) // data was read or error was reported + return ret; + } TimeInterval timeout(!_blocking ? _timeout : osWaitForever); if (wait_readable(timeout) != 0) { - printf("Failed receiving\n"); return -1; }