Junichi Katsu / Mbed 2 deprecated WallbotWii

うおーるぼっとをWiiリモコンでコントロールする新しいプログラムです。 以前のものより、Wiiリモコンが早く繋がる様になりました。 It is a program which controls A with the Wii remote. ※ A Bluetooth dongle and a Wii remote control are needed.

Dependencies:   USBHost mbed FATFileSystem mbed-rtos

USBHost/mbed-rtos/rtx/rt_MemBox.c@0:fccb789424fc, 2013-06-10 (annotated)

Committer:
jksoft
Date:
Mon Jun 10 16:01:50 2013 +0000
Revision:
0:fccb789424fc
1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:fccb789424fc 1 /*----------------------------------------------------------------------------
jksoft 0:fccb789424fc 2 * RL-ARM - RTX
jksoft 0:fccb789424fc 3 *----------------------------------------------------------------------------
jksoft 0:fccb789424fc 4 * Name: RT_MEMBOX.C
jksoft 0:fccb789424fc 5 * Purpose: Interface functions for fixed memory block management system
jksoft 0:fccb789424fc 6 * Rev.: V4.60
jksoft 0:fccb789424fc 7 *----------------------------------------------------------------------------
jksoft 0:fccb789424fc 8 *
jksoft 0:fccb789424fc 9 * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
jksoft 0:fccb789424fc 10 * All rights reserved.
jksoft 0:fccb789424fc 11 * Redistribution and use in source and binary forms, with or without
jksoft 0:fccb789424fc 12 * modification, are permitted provided that the following conditions are met:
jksoft 0:fccb789424fc 13 * - Redistributions of source code must retain the above copyright
jksoft 0:fccb789424fc 14 * notice, this list of conditions and the following disclaimer.
jksoft 0:fccb789424fc 15 * - Redistributions in binary form must reproduce the above copyright
jksoft 0:fccb789424fc 16 * notice, this list of conditions and the following disclaimer in the
jksoft 0:fccb789424fc 17 * documentation and/or other materials provided with the distribution.
jksoft 0:fccb789424fc 18 * - Neither the name of ARM nor the names of its contributors may be used
jksoft 0:fccb789424fc 19 * to endorse or promote products derived from this software without
jksoft 0:fccb789424fc 20 * specific prior written permission.
jksoft 0:fccb789424fc 21 *
jksoft 0:fccb789424fc 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
jksoft 0:fccb789424fc 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
jksoft 0:fccb789424fc 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
jksoft 0:fccb789424fc 25 * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
jksoft 0:fccb789424fc 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
jksoft 0:fccb789424fc 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
jksoft 0:fccb789424fc 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
jksoft 0:fccb789424fc 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
jksoft 0:fccb789424fc 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
jksoft 0:fccb789424fc 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
jksoft 0:fccb789424fc 32 * POSSIBILITY OF SUCH DAMAGE.
jksoft 0:fccb789424fc 33 *---------------------------------------------------------------------------*/
jksoft 0:fccb789424fc 34
jksoft 0:fccb789424fc 35 #include "rt_TypeDef.h"
jksoft 0:fccb789424fc 36 #include "RTX_Config.h"
jksoft 0:fccb789424fc 37 #include "rt_System.h"
jksoft 0:fccb789424fc 38 #include "rt_MemBox.h"
jksoft 0:fccb789424fc 39 #include "rt_HAL_CM.h"
jksoft 0:fccb789424fc 40
jksoft 0:fccb789424fc 41 /*----------------------------------------------------------------------------
jksoft 0:fccb789424fc 42 * Global Functions
jksoft 0:fccb789424fc 43 *---------------------------------------------------------------------------*/
jksoft 0:fccb789424fc 44
jksoft 0:fccb789424fc 45
jksoft 0:fccb789424fc 46 /*--------------------------- _init_box -------------------------------------*/
jksoft 0:fccb789424fc 47
jksoft 0:fccb789424fc 48 int _init_box (void *box_mem, U32 box_size, U32 blk_size) {
jksoft 0:fccb789424fc 49 /* Initialize memory block system, returns 0 if OK, 1 if fails. */
jksoft 0:fccb789424fc 50 void *end;
jksoft 0:fccb789424fc 51 void *blk;
jksoft 0:fccb789424fc 52 void *next;
jksoft 0:fccb789424fc 53 U32 sizeof_bm;
jksoft 0:fccb789424fc 54
jksoft 0:fccb789424fc 55 /* Create memory structure. */
jksoft 0:fccb789424fc 56 if (blk_size & BOX_ALIGN_8) {
jksoft 0:fccb789424fc 57 /* Memory blocks 8-byte aligned. */
jksoft 0:fccb789424fc 58 blk_size = ((blk_size & ~BOX_ALIGN_8) + 7) & ~7;
jksoft 0:fccb789424fc 59 sizeof_bm = (sizeof (struct OS_BM) + 7) & ~7;
jksoft 0:fccb789424fc 60 }
jksoft 0:fccb789424fc 61 else {
jksoft 0:fccb789424fc 62 /* Memory blocks 4-byte aligned. */
jksoft 0:fccb789424fc 63 blk_size = (blk_size + 3) & ~3;
jksoft 0:fccb789424fc 64 sizeof_bm = sizeof (struct OS_BM);
jksoft 0:fccb789424fc 65 }
jksoft 0:fccb789424fc 66 if (blk_size == 0) {
jksoft 0:fccb789424fc 67 return (1);
jksoft 0:fccb789424fc 68 }
jksoft 0:fccb789424fc 69 if ((blk_size + sizeof_bm) > box_size) {
jksoft 0:fccb789424fc 70 return (1);
jksoft 0:fccb789424fc 71 }
jksoft 0:fccb789424fc 72 /* Create a Memory structure. */
jksoft 0:fccb789424fc 73 blk = ((U8 *) box_mem) + sizeof_bm;
jksoft 0:fccb789424fc 74 ((P_BM) box_mem)->free = blk;
jksoft 0:fccb789424fc 75 end = ((U8 *) box_mem) + box_size;
jksoft 0:fccb789424fc 76 ((P_BM) box_mem)->end = end;
jksoft 0:fccb789424fc 77 ((P_BM) box_mem)->blk_size = blk_size;
jksoft 0:fccb789424fc 78
jksoft 0:fccb789424fc 79 /* Link all free blocks using offsets. */
jksoft 0:fccb789424fc 80 end = ((U8 *) end) - blk_size;
jksoft 0:fccb789424fc 81 while (1) {
jksoft 0:fccb789424fc 82 next = ((U8 *) blk) + blk_size;
jksoft 0:fccb789424fc 83 if (next > end) break;
jksoft 0:fccb789424fc 84 *((void **)blk) = next;
jksoft 0:fccb789424fc 85 blk = next;
jksoft 0:fccb789424fc 86 }
jksoft 0:fccb789424fc 87 /* end marker */
jksoft 0:fccb789424fc 88 *((void **)blk) = 0;
jksoft 0:fccb789424fc 89 return (0);
jksoft 0:fccb789424fc 90 }
jksoft 0:fccb789424fc 91
jksoft 0:fccb789424fc 92 /*--------------------------- rt_alloc_box ----------------------------------*/
jksoft 0:fccb789424fc 93
jksoft 0:fccb789424fc 94 void *rt_alloc_box (void *box_mem) {
jksoft 0:fccb789424fc 95 /* Allocate a memory block and return start address. */
jksoft 0:fccb789424fc 96 void **free;
jksoft 0:fccb789424fc 97 #ifndef __USE_EXCLUSIVE_ACCESS
jksoft 0:fccb789424fc 98 int irq_dis;
jksoft 0:fccb789424fc 99
jksoft 0:fccb789424fc 100 irq_dis = __disable_irq ();
jksoft 0:fccb789424fc 101 free = ((P_BM) box_mem)->free;
jksoft 0:fccb789424fc 102 if (free) {
jksoft 0:fccb789424fc 103 ((P_BM) box_mem)->free = *free;
jksoft 0:fccb789424fc 104 }
jksoft 0:fccb789424fc 105 if (!irq_dis) __enable_irq ();
jksoft 0:fccb789424fc 106 #else
jksoft 0:fccb789424fc 107 do {
jksoft 0:fccb789424fc 108 if ((free = (void **)__ldrex(&((P_BM) box_mem)->free)) == 0) {
jksoft 0:fccb789424fc 109 __clrex();
jksoft 0:fccb789424fc 110 break;
jksoft 0:fccb789424fc 111 }
jksoft 0:fccb789424fc 112 } while (__strex((U32)*free, &((P_BM) box_mem)->free));
jksoft 0:fccb789424fc 113 #endif
jksoft 0:fccb789424fc 114 return (free);
jksoft 0:fccb789424fc 115 }
jksoft 0:fccb789424fc 116
jksoft 0:fccb789424fc 117
jksoft 0:fccb789424fc 118 /*--------------------------- _calloc_box -----------------------------------*/
jksoft 0:fccb789424fc 119
jksoft 0:fccb789424fc 120 void *_calloc_box (void *box_mem) {
jksoft 0:fccb789424fc 121 /* Allocate a 0-initialized memory block and return start address. */
jksoft 0:fccb789424fc 122 void *free;
jksoft 0:fccb789424fc 123 U32 *p;
jksoft 0:fccb789424fc 124 U32 i;
jksoft 0:fccb789424fc 125
jksoft 0:fccb789424fc 126 free = _alloc_box (box_mem);
jksoft 0:fccb789424fc 127 if (free) {
jksoft 0:fccb789424fc 128 p = free;
jksoft 0:fccb789424fc 129 for (i = ((P_BM) box_mem)->blk_size; i; i -= 4) {
jksoft 0:fccb789424fc 130 *p = 0;
jksoft 0:fccb789424fc 131 p++;
jksoft 0:fccb789424fc 132 }
jksoft 0:fccb789424fc 133 }
jksoft 0:fccb789424fc 134 return (free);
jksoft 0:fccb789424fc 135 }
jksoft 0:fccb789424fc 136
jksoft 0:fccb789424fc 137
jksoft 0:fccb789424fc 138 /*--------------------------- rt_free_box -----------------------------------*/
jksoft 0:fccb789424fc 139
jksoft 0:fccb789424fc 140 int rt_free_box (void *box_mem, void *box) {
jksoft 0:fccb789424fc 141 /* Free a memory block, returns 0 if OK, 1 if box does not belong to box_mem */
jksoft 0:fccb789424fc 142 #ifndef __USE_EXCLUSIVE_ACCESS
jksoft 0:fccb789424fc 143 int irq_dis;
jksoft 0:fccb789424fc 144 #endif
jksoft 0:fccb789424fc 145
jksoft 0:fccb789424fc 146 if (box < box_mem || box >= ((P_BM) box_mem)->end) {
jksoft 0:fccb789424fc 147 return (1);
jksoft 0:fccb789424fc 148 }
jksoft 0:fccb789424fc 149
jksoft 0:fccb789424fc 150 #ifndef __USE_EXCLUSIVE_ACCESS
jksoft 0:fccb789424fc 151 irq_dis = __disable_irq ();
jksoft 0:fccb789424fc 152 *((void **)box) = ((P_BM) box_mem)->free;
jksoft 0:fccb789424fc 153 ((P_BM) box_mem)->free = box;
jksoft 0:fccb789424fc 154 if (!irq_dis) __enable_irq ();
jksoft 0:fccb789424fc 155 #else
jksoft 0:fccb789424fc 156 do {
jksoft 0:fccb789424fc 157 *((void **)box) = (void *)__ldrex(&((P_BM) box_mem)->free);
jksoft 0:fccb789424fc 158 } while (__strex ((U32)box, &((P_BM) box_mem)->free));
jksoft 0:fccb789424fc 159 #endif
jksoft 0:fccb789424fc 160 return (0);
jksoft 0:fccb789424fc 161 }
jksoft 0:fccb789424fc 162
jksoft 0:fccb789424fc 163 /*----------------------------------------------------------------------------
jksoft 0:fccb789424fc 164 * end of file
jksoft 0:fccb789424fc 165 *---------------------------------------------------------------------------*/
jksoft 0:fccb789424fc 166