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: modules/pico_dev_loop.c
- Revision:
- 131:4758606c9316
- Parent:
- 70:cd218dd180e5
- Child:
- 149:5f4cb161cec3
--- a/modules/pico_dev_loop.c Wed Dec 11 07:20:17 2013 +0000 +++ b/modules/pico_dev_loop.c Mon Dec 16 11:25:54 2013 +0100 @@ -1,9 +1,9 @@ /********************************************************************* -PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved. -See LICENSE and COPYING for usage. + PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved. + See LICENSE and COPYING for usage. -Authors: Daniele Lacamera -*********************************************************************/ + Authors: Daniele Lacamera + *********************************************************************/ #include "pico_device.h" @@ -13,58 +13,61 @@ #define LOOP_MTU 1500 static uint8_t l_buf[LOOP_MTU]; -static uint32_t l_bufsize = 0; +static int l_bufsize = 0; static int pico_loop_send(struct pico_device *dev, void *buf, int len) { - IGNORE_PARAMETER(dev); - if (len > LOOP_MTU) - return 0; + IGNORE_PARAMETER(dev); + if (len > LOOP_MTU) + return 0; - if (l_bufsize == 0) { - memcpy(l_buf, buf, len); - l_bufsize+=len; - return len; - } - return 0; + if (l_bufsize == 0) { + memcpy(l_buf, buf, (size_t)len); + l_bufsize += len; + return len; + } + + return 0; } static int pico_loop_poll(struct pico_device *dev, int loop_score) { - if (loop_score <= 0) - return 0; + if (loop_score <= 0) + return 0; - if (l_bufsize > 0) { - pico_stack_recv(dev, l_buf, l_bufsize); - l_bufsize = 0; - loop_score--; - } - return loop_score; + if (l_bufsize > 0) { + pico_stack_recv(dev, l_buf, (uint32_t)l_bufsize); + l_bufsize = 0; + loop_score--; + } + + return loop_score; } /* Public interface: create/destroy. */ void pico_loop_destroy(struct pico_device *dev) { - IGNORE_PARAMETER(dev); + IGNORE_PARAMETER(dev); } struct pico_device *pico_loop_create(void) { - struct pico_device *loop = pico_zalloc(sizeof(struct pico_device)); - if (!loop) - return NULL; + struct pico_device *loop = pico_zalloc(sizeof(struct pico_device)); + if (!loop) + return NULL; - if( 0 != pico_device_init((struct pico_device *)loop, "loop", NULL)) { - dbg ("Loop init failed.\n"); - pico_loop_destroy((struct pico_device *)loop); - return NULL; - } - loop->send = pico_loop_send; - loop->poll = pico_loop_poll; - loop->destroy = pico_loop_destroy; - dbg("Device %s created.\n", loop->name); - return (struct pico_device *)loop; + if( 0 != pico_device_init((struct pico_device *)loop, "loop", NULL)) { + dbg ("Loop init failed.\n"); + pico_loop_destroy((struct pico_device *)loop); + return NULL; + } + + loop->send = pico_loop_send; + loop->poll = pico_loop_poll; + loop->destroy = pico_loop_destroy; + dbg("Device %s created.\n", loop->name); + return (struct pico_device *)loop; }