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.
modules/pico_dev_mbed.cpp@124:a6ecd840c965, 2013-11-28 (annotated)
- Committer:
- tass
- Date:
- Thu Nov 28 09:58:34 2013 +0000
- Revision:
- 124:a6ecd840c965
- Parent:
- 112:c4463e7a6a41
- Child:
- 134:cc4e6d2654d9
Fix for GCC ARM embedded compile error, see http://mbed.org/users/daniele/code/PicoTCP/issues/5
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
daniele | 3:b4047e8a0123 | 1 | /********************************************************************* |
daniele | 3:b4047e8a0123 | 2 | PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved. |
daniele | 3:b4047e8a0123 | 3 | See LICENSE and COPYING for usage. |
daniele | 3:b4047e8a0123 | 4 | Do not redistribute without a written permission by the Copyright |
daniele | 3:b4047e8a0123 | 5 | holders. |
daniele | 3:b4047e8a0123 | 6 | |
daniele | 3:b4047e8a0123 | 7 | Authors: Toon Peters, Maxime Vincent |
daniele | 3:b4047e8a0123 | 8 | *********************************************************************/ |
daniele | 3:b4047e8a0123 | 9 | #include "mbed.h" |
daniele | 3:b4047e8a0123 | 10 | extern "C" { |
daniele | 3:b4047e8a0123 | 11 | #include "pico_device.h" |
daniele | 3:b4047e8a0123 | 12 | #include "pico_dev_mbed.h" |
daniele | 3:b4047e8a0123 | 13 | #include "pico_stack.h" |
daniele | 3:b4047e8a0123 | 14 | #include "ethernet_api.h" |
daniele | 3:b4047e8a0123 | 15 | } |
daniele | 3:b4047e8a0123 | 16 | |
daniele | 3:b4047e8a0123 | 17 | struct pico_device_mbed { |
daniele | 3:b4047e8a0123 | 18 | struct pico_device dev; |
daniele | 3:b4047e8a0123 | 19 | int bytes_left_in_frame; |
daniele | 3:b4047e8a0123 | 20 | }; |
daniele | 3:b4047e8a0123 | 21 | |
daniele | 3:b4047e8a0123 | 22 | #define ETH_MTU 1514 |
daniele | 3:b4047e8a0123 | 23 | uint8_t buf[ETH_MTU]; |
daniele | 3:b4047e8a0123 | 24 | |
daniele | 3:b4047e8a0123 | 25 | extern "C" { |
daniele | 3:b4047e8a0123 | 26 | |
daniele | 3:b4047e8a0123 | 27 | static int pico_mbed_send(struct pico_device *dev, void *buf, int len) |
daniele | 3:b4047e8a0123 | 28 | { |
daniele | 3:b4047e8a0123 | 29 | int ret, sent; |
daniele | 3:b4047e8a0123 | 30 | struct pico_device_mbed *mb = (struct pico_device_mbed *) dev; |
daniele | 3:b4047e8a0123 | 31 | |
daniele | 3:b4047e8a0123 | 32 | if (len > ETH_MTU) |
daniele | 3:b4047e8a0123 | 33 | return -1; |
daniele | 3:b4047e8a0123 | 34 | |
daniele | 3:b4047e8a0123 | 35 | /* Write buf content to dev and return amount written */ |
daniele | 3:b4047e8a0123 | 36 | ret = ethernet_write((const char *)buf, len); |
daniele | 3:b4047e8a0123 | 37 | sent = ethernet_send(); |
daniele | 3:b4047e8a0123 | 38 | |
tass | 112:c4463e7a6a41 | 39 | printf("ETH> sent %d bytes\r\n",ret); |
daniele | 3:b4047e8a0123 | 40 | if (len != ret || sent != ret) |
daniele | 3:b4047e8a0123 | 41 | return -1; |
daniele | 3:b4047e8a0123 | 42 | else |
daniele | 3:b4047e8a0123 | 43 | return ret; |
daniele | 3:b4047e8a0123 | 44 | } |
daniele | 3:b4047e8a0123 | 45 | |
daniele | 3:b4047e8a0123 | 46 | static int pico_mbed_poll(struct pico_device *dev, int loop_score) |
daniele | 3:b4047e8a0123 | 47 | { |
daniele | 3:b4047e8a0123 | 48 | int len; |
daniele | 3:b4047e8a0123 | 49 | struct pico_device_mbed *mb = (struct pico_device_mbed *) dev; |
daniele | 3:b4047e8a0123 | 50 | |
daniele | 3:b4047e8a0123 | 51 | while(loop_score > 0) |
daniele | 3:b4047e8a0123 | 52 | { |
daniele | 3:b4047e8a0123 | 53 | /* check for new frame(s) */ |
daniele | 3:b4047e8a0123 | 54 | len = (int) ethernet_receive(); |
daniele | 3:b4047e8a0123 | 55 | |
daniele | 3:b4047e8a0123 | 56 | /* return if no frame has arrived */ |
daniele | 3:b4047e8a0123 | 57 | if (!len) |
daniele | 3:b4047e8a0123 | 58 | return loop_score; |
daniele | 3:b4047e8a0123 | 59 | |
daniele | 3:b4047e8a0123 | 60 | /* read and process frame */ |
daniele | 3:b4047e8a0123 | 61 | len = ethernet_read((char*)buf, ETH_MTU); |
tass | 112:c4463e7a6a41 | 62 | printf("ETH> recv %d bytes: %x:%x\r\n", len, buf[0],buf[1]); |
daniele | 3:b4047e8a0123 | 63 | pico_stack_recv(dev, buf, len); |
daniele | 3:b4047e8a0123 | 64 | loop_score--; |
daniele | 3:b4047e8a0123 | 65 | } |
daniele | 3:b4047e8a0123 | 66 | return loop_score; |
daniele | 3:b4047e8a0123 | 67 | } |
daniele | 3:b4047e8a0123 | 68 | |
daniele | 3:b4047e8a0123 | 69 | /* Public interface: create/destroy. */ |
daniele | 3:b4047e8a0123 | 70 | void pico_mbed_destroy(struct pico_device *dev) |
daniele | 3:b4047e8a0123 | 71 | { |
daniele | 3:b4047e8a0123 | 72 | ethernet_free(); |
daniele | 3:b4047e8a0123 | 73 | pico_device_destroy(dev); |
daniele | 3:b4047e8a0123 | 74 | } |
daniele | 3:b4047e8a0123 | 75 | |
daniele | 3:b4047e8a0123 | 76 | struct pico_device *pico_mbed_create(char *name) |
daniele | 3:b4047e8a0123 | 77 | { |
tass | 124:a6ecd840c965 | 78 | uint8_t mac[PICO_SIZE_ETH]; |
daniele | 3:b4047e8a0123 | 79 | struct pico_device_mbed *mb = (struct pico_device_mbed*) pico_zalloc(sizeof(struct pico_device_mbed)); |
daniele | 3:b4047e8a0123 | 80 | |
daniele | 3:b4047e8a0123 | 81 | if (!mb) |
daniele | 3:b4047e8a0123 | 82 | return NULL; |
daniele | 3:b4047e8a0123 | 83 | |
daniele | 3:b4047e8a0123 | 84 | ethernet_address((char *)mac); |
tass | 112:c4463e7a6a41 | 85 | printf("ETH> Set MAC address to: %x:%x:%x:%x:%x:%x\r\n", mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]); |
daniele | 3:b4047e8a0123 | 86 | |
daniele | 3:b4047e8a0123 | 87 | if(0 != pico_device_init((struct pico_device *)mb, name, mac)) { |
tass | 112:c4463e7a6a41 | 88 | printf ("ETH> Loop init failed.\n"); |
daniele | 3:b4047e8a0123 | 89 | //pico_loop_destroy(mb); |
daniele | 3:b4047e8a0123 | 90 | return NULL; |
daniele | 3:b4047e8a0123 | 91 | } |
daniele | 3:b4047e8a0123 | 92 | |
daniele | 3:b4047e8a0123 | 93 | mb->dev.send = pico_mbed_send; |
daniele | 3:b4047e8a0123 | 94 | mb->dev.poll = pico_mbed_poll; |
daniele | 3:b4047e8a0123 | 95 | mb->dev.destroy = pico_mbed_destroy; |
daniele | 3:b4047e8a0123 | 96 | mb->bytes_left_in_frame = 0; |
daniele | 3:b4047e8a0123 | 97 | |
daniele | 3:b4047e8a0123 | 98 | if(0 != ethernet_init()) { |
tass | 112:c4463e7a6a41 | 99 | printf("ETH> Failed to initialize hardware.\r\n"); |
daniele | 3:b4047e8a0123 | 100 | pico_device_destroy((struct pico_device *)mb); |
daniele | 3:b4047e8a0123 | 101 | return NULL; |
daniele | 3:b4047e8a0123 | 102 | } |
daniele | 3:b4047e8a0123 | 103 | |
daniele | 3:b4047e8a0123 | 104 | // future work: make the mac address configurable |
daniele | 3:b4047e8a0123 | 105 | |
tass | 112:c4463e7a6a41 | 106 | printf("ETH> Device %s created.\r\n", mb->dev.name); |
daniele | 3:b4047e8a0123 | 107 | |
daniele | 3:b4047e8a0123 | 108 | return (struct pico_device *)mb; |
daniele | 3:b4047e8a0123 | 109 | } |
daniele | 3:b4047e8a0123 | 110 | |
daniele | 3:b4047e8a0123 | 111 | void pico_mbed_get_address(char *mac) |
daniele | 3:b4047e8a0123 | 112 | { |
daniele | 3:b4047e8a0123 | 113 | ethernet_address(mac); |
daniele | 3:b4047e8a0123 | 114 | } |
daniele | 3:b4047e8a0123 | 115 | |
daniele | 3:b4047e8a0123 | 116 | } |