Michael Kersh / Mbed 2 deprecated ECE4180EthernetTest

Ethernet test for ECE 4180 and others to find your IP address and do a simple HTTP GET request over port 80.

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

mbed-rtos/rtx/rt_MemBox.c@0:e7ca326e76ee, 2013-04-04 (annotated)

Committer:
mkersh3
Date:
Thu Apr 04 05:26:09 2013 +0000
Revision:
0:e7ca326e76ee
Ethernet Test for ECE4180 and others to find their IP Address and do a simple HTTP GET request over port 80.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mkersh3 0:e7ca326e76ee 1 /*----------------------------------------------------------------------------
mkersh3 0:e7ca326e76ee 2 * RL-ARM - RTX
mkersh3 0:e7ca326e76ee 3 *----------------------------------------------------------------------------
mkersh3 0:e7ca326e76ee 4 * Name: RT_MEMBOX.C
mkersh3 0:e7ca326e76ee 5 * Purpose: Interface functions for fixed memory block management system
mkersh3 0:e7ca326e76ee 6 * Rev.: V4.50
mkersh3 0:e7ca326e76ee 7 *----------------------------------------------------------------------------
mkersh3 0:e7ca326e76ee 8 *
mkersh3 0:e7ca326e76ee 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
mkersh3 0:e7ca326e76ee 10 * All rights reserved.
mkersh3 0:e7ca326e76ee 11 * Redistribution and use in source and binary forms, with or without
mkersh3 0:e7ca326e76ee 12 * modification, are permitted provided that the following conditions are met:
mkersh3 0:e7ca326e76ee 13 * - Redistributions of source code must retain the above copyright
mkersh3 0:e7ca326e76ee 14 * notice, this list of conditions and the following disclaimer.
mkersh3 0:e7ca326e76ee 15 * - Redistributions in binary form must reproduce the above copyright
mkersh3 0:e7ca326e76ee 16 * notice, this list of conditions and the following disclaimer in the
mkersh3 0:e7ca326e76ee 17 * documentation and/or other materials provided with the distribution.
mkersh3 0:e7ca326e76ee 18 * - Neither the name of ARM nor the names of its contributors may be used
mkersh3 0:e7ca326e76ee 19 * to endorse or promote products derived from this software without
mkersh3 0:e7ca326e76ee 20 * specific prior written permission.
mkersh3 0:e7ca326e76ee 21 *
mkersh3 0:e7ca326e76ee 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mkersh3 0:e7ca326e76ee 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mkersh3 0:e7ca326e76ee 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mkersh3 0:e7ca326e76ee 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mkersh3 0:e7ca326e76ee 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mkersh3 0:e7ca326e76ee 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mkersh3 0:e7ca326e76ee 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mkersh3 0:e7ca326e76ee 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mkersh3 0:e7ca326e76ee 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mkersh3 0:e7ca326e76ee 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mkersh3 0:e7ca326e76ee 32 * POSSIBILITY OF SUCH DAMAGE.
mkersh3 0:e7ca326e76ee 33 *---------------------------------------------------------------------------*/
mkersh3 0:e7ca326e76ee 34
mkersh3 0:e7ca326e76ee 35 #include "rt_TypeDef.h"
mkersh3 0:e7ca326e76ee 36 #include "RTX_Config.h"
mkersh3 0:e7ca326e76ee 37 #include "rt_System.h"
mkersh3 0:e7ca326e76ee 38 #include "rt_MemBox.h"
mkersh3 0:e7ca326e76ee 39 #include "rt_HAL_CM.h"
mkersh3 0:e7ca326e76ee 40
mkersh3 0:e7ca326e76ee 41 /*----------------------------------------------------------------------------
mkersh3 0:e7ca326e76ee 42 * Global Functions
mkersh3 0:e7ca326e76ee 43 *---------------------------------------------------------------------------*/
mkersh3 0:e7ca326e76ee 44
mkersh3 0:e7ca326e76ee 45
mkersh3 0:e7ca326e76ee 46 /*--------------------------- _init_box -------------------------------------*/
mkersh3 0:e7ca326e76ee 47
mkersh3 0:e7ca326e76ee 48 int _init_box (void *box_mem, U32 box_size, U32 blk_size) {
mkersh3 0:e7ca326e76ee 49 /* Initialize memory block system, returns 0 if OK, 1 if fails. */
mkersh3 0:e7ca326e76ee 50 void *end;
mkersh3 0:e7ca326e76ee 51 void *blk;
mkersh3 0:e7ca326e76ee 52 void *next;
mkersh3 0:e7ca326e76ee 53 U32 sizeof_bm;
mkersh3 0:e7ca326e76ee 54
mkersh3 0:e7ca326e76ee 55 /* Create memory structure. */
mkersh3 0:e7ca326e76ee 56 if (blk_size & BOX_ALIGN_8) {
mkersh3 0:e7ca326e76ee 57 /* Memory blocks 8-byte aligned. */
mkersh3 0:e7ca326e76ee 58 blk_size = ((blk_size & ~BOX_ALIGN_8) + 7) & ~7;
mkersh3 0:e7ca326e76ee 59 sizeof_bm = (sizeof (struct OS_BM) + 7) & ~7;
mkersh3 0:e7ca326e76ee 60 }
mkersh3 0:e7ca326e76ee 61 else {
mkersh3 0:e7ca326e76ee 62 /* Memory blocks 4-byte aligned. */
mkersh3 0:e7ca326e76ee 63 blk_size = (blk_size + 3) & ~3;
mkersh3 0:e7ca326e76ee 64 sizeof_bm = sizeof (struct OS_BM);
mkersh3 0:e7ca326e76ee 65 }
mkersh3 0:e7ca326e76ee 66 if (blk_size == 0) {
mkersh3 0:e7ca326e76ee 67 return (1);
mkersh3 0:e7ca326e76ee 68 }
mkersh3 0:e7ca326e76ee 69 if ((blk_size + sizeof_bm) > box_size) {
mkersh3 0:e7ca326e76ee 70 return (1);
mkersh3 0:e7ca326e76ee 71 }
mkersh3 0:e7ca326e76ee 72 /* Create a Memory structure. */
mkersh3 0:e7ca326e76ee 73 blk = ((U8 *) box_mem) + sizeof_bm;
mkersh3 0:e7ca326e76ee 74 ((P_BM) box_mem)->free = blk;
mkersh3 0:e7ca326e76ee 75 end = ((U8 *) box_mem) + box_size;
mkersh3 0:e7ca326e76ee 76 ((P_BM) box_mem)->end = end;
mkersh3 0:e7ca326e76ee 77 ((P_BM) box_mem)->blk_size = blk_size;
mkersh3 0:e7ca326e76ee 78
mkersh3 0:e7ca326e76ee 79 /* Link all free blocks using offsets. */
mkersh3 0:e7ca326e76ee 80 end = ((U8 *) end) - blk_size;
mkersh3 0:e7ca326e76ee 81 while (1) {
mkersh3 0:e7ca326e76ee 82 next = ((U8 *) blk) + blk_size;
mkersh3 0:e7ca326e76ee 83 if (next > end) break;
mkersh3 0:e7ca326e76ee 84 *((void **)blk) = next;
mkersh3 0:e7ca326e76ee 85 blk = next;
mkersh3 0:e7ca326e76ee 86 }
mkersh3 0:e7ca326e76ee 87 /* end marker */
mkersh3 0:e7ca326e76ee 88 *((void **)blk) = 0;
mkersh3 0:e7ca326e76ee 89 return (0);
mkersh3 0:e7ca326e76ee 90 }
mkersh3 0:e7ca326e76ee 91
mkersh3 0:e7ca326e76ee 92 /*--------------------------- rt_alloc_box ----------------------------------*/
mkersh3 0:e7ca326e76ee 93
mkersh3 0:e7ca326e76ee 94 void *rt_alloc_box (void *box_mem) {
mkersh3 0:e7ca326e76ee 95 /* Allocate a memory block and return start address. */
mkersh3 0:e7ca326e76ee 96 void **free;
mkersh3 0:e7ca326e76ee 97 #ifndef __USE_EXCLUSIVE_ACCESS
mkersh3 0:e7ca326e76ee 98 int irq_dis;
mkersh3 0:e7ca326e76ee 99
mkersh3 0:e7ca326e76ee 100 irq_dis = __disable_irq ();
mkersh3 0:e7ca326e76ee 101 free = ((P_BM) box_mem)->free;
mkersh3 0:e7ca326e76ee 102 if (free) {
mkersh3 0:e7ca326e76ee 103 ((P_BM) box_mem)->free = *free;
mkersh3 0:e7ca326e76ee 104 }
mkersh3 0:e7ca326e76ee 105 if (!irq_dis) __enable_irq ();
mkersh3 0:e7ca326e76ee 106 #else
mkersh3 0:e7ca326e76ee 107 do {
mkersh3 0:e7ca326e76ee 108 if ((free = (void **)__ldrex(&((P_BM) box_mem)->free)) == 0) {
mkersh3 0:e7ca326e76ee 109 __clrex();
mkersh3 0:e7ca326e76ee 110 break;
mkersh3 0:e7ca326e76ee 111 }
mkersh3 0:e7ca326e76ee 112 } while (__strex((U32)*free, &((P_BM) box_mem)->free));
mkersh3 0:e7ca326e76ee 113 #endif
mkersh3 0:e7ca326e76ee 114 return (free);
mkersh3 0:e7ca326e76ee 115 }
mkersh3 0:e7ca326e76ee 116
mkersh3 0:e7ca326e76ee 117
mkersh3 0:e7ca326e76ee 118 /*--------------------------- _calloc_box -----------------------------------*/
mkersh3 0:e7ca326e76ee 119
mkersh3 0:e7ca326e76ee 120 void *_calloc_box (void *box_mem) {
mkersh3 0:e7ca326e76ee 121 /* Allocate a 0-initialized memory block and return start address. */
mkersh3 0:e7ca326e76ee 122 void *free;
mkersh3 0:e7ca326e76ee 123 U32 *p;
mkersh3 0:e7ca326e76ee 124 U32 i;
mkersh3 0:e7ca326e76ee 125
mkersh3 0:e7ca326e76ee 126 free = _alloc_box (box_mem);
mkersh3 0:e7ca326e76ee 127 if (free) {
mkersh3 0:e7ca326e76ee 128 p = free;
mkersh3 0:e7ca326e76ee 129 for (i = ((P_BM) box_mem)->blk_size; i; i -= 4) {
mkersh3 0:e7ca326e76ee 130 *p = 0;
mkersh3 0:e7ca326e76ee 131 p++;
mkersh3 0:e7ca326e76ee 132 }
mkersh3 0:e7ca326e76ee 133 }
mkersh3 0:e7ca326e76ee 134 return (free);
mkersh3 0:e7ca326e76ee 135 }
mkersh3 0:e7ca326e76ee 136
mkersh3 0:e7ca326e76ee 137
mkersh3 0:e7ca326e76ee 138 /*--------------------------- rt_free_box -----------------------------------*/
mkersh3 0:e7ca326e76ee 139
mkersh3 0:e7ca326e76ee 140 int rt_free_box (void *box_mem, void *box) {
mkersh3 0:e7ca326e76ee 141 /* Free a memory block, returns 0 if OK, 1 if box does not belong to box_mem */
mkersh3 0:e7ca326e76ee 142 #ifndef __USE_EXCLUSIVE_ACCESS
mkersh3 0:e7ca326e76ee 143 int irq_dis;
mkersh3 0:e7ca326e76ee 144 #endif
mkersh3 0:e7ca326e76ee 145
mkersh3 0:e7ca326e76ee 146 if (box < box_mem || box >= ((P_BM) box_mem)->end) {
mkersh3 0:e7ca326e76ee 147 return (1);
mkersh3 0:e7ca326e76ee 148 }
mkersh3 0:e7ca326e76ee 149
mkersh3 0:e7ca326e76ee 150 #ifndef __USE_EXCLUSIVE_ACCESS
mkersh3 0:e7ca326e76ee 151 irq_dis = __disable_irq ();
mkersh3 0:e7ca326e76ee 152 *((void **)box) = ((P_BM) box_mem)->free;
mkersh3 0:e7ca326e76ee 153 ((P_BM) box_mem)->free = box;
mkersh3 0:e7ca326e76ee 154 if (!irq_dis) __enable_irq ();
mkersh3 0:e7ca326e76ee 155 #else
mkersh3 0:e7ca326e76ee 156 do {
mkersh3 0:e7ca326e76ee 157 *((void **)box) = (void *)__ldrex(&((P_BM) box_mem)->free);
mkersh3 0:e7ca326e76ee 158 } while (__strex ((U32)box, &((P_BM) box_mem)->free));
mkersh3 0:e7ca326e76ee 159 #endif
mkersh3 0:e7ca326e76ee 160 return (0);
mkersh3 0:e7ca326e76ee 161 }
mkersh3 0:e7ca326e76ee 162
mkersh3 0:e7ca326e76ee 163 /*----------------------------------------------------------------------------
mkersh3 0:e7ca326e76ee 164 * end of file
mkersh3 0:e7ca326e76ee 165 *---------------------------------------------------------------------------*/
mkersh3 0:e7ca326e76ee 166