Greg Steiert / pegasus_dev

Development mbed library for MAX32630FTHR

Dependents:   blinky_max32630fthr

drivers/FileBase.cpp@3:1198227e6421, 2016-12-16 (annotated)

Committer:
switches
Date:
Fri Dec 16 16:27:57 2016 +0000
Revision:
3:1198227e6421
Parent:
0:5c4d7b2438d3 
Changed ADC scale for MAX32625 platforms to 1.2V full scale to match MAX32630 platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /* mbed Microcontroller Library
switches 0:5c4d7b2438d3 2 * Copyright (c) 2006-2013 ARM Limited
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
switches 0:5c4d7b2438d3 5 * you may not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 6 * You may obtain a copy of the License at
switches 0:5c4d7b2438d3 7 *
switches 0:5c4d7b2438d3 8 * http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 9 *
switches 0:5c4d7b2438d3 10 * Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
switches 0:5c4d7b2438d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 13 * See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 14 * limitations under the License.
switches 0:5c4d7b2438d3 15 */
switches 0:5c4d7b2438d3 16 #include "drivers/FileBase.h"
switches 0:5c4d7b2438d3 17
switches 0:5c4d7b2438d3 18 namespace mbed {
switches 0:5c4d7b2438d3 19
switches 0:5c4d7b2438d3 20 FileBase *FileBase::_head = NULL;
switches 0:5c4d7b2438d3 21 SingletonPtr<PlatformMutex> FileBase::_mutex;
switches 0:5c4d7b2438d3 22
switches 0:5c4d7b2438d3 23 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
switches 0:5c4d7b2438d3 24 _name(name),
switches 0:5c4d7b2438d3 25 _path_type(t) {
switches 0:5c4d7b2438d3 26 _mutex->lock();
switches 0:5c4d7b2438d3 27 if (name != NULL) {
switches 0:5c4d7b2438d3 28 // put this object at head of the list
switches 0:5c4d7b2438d3 29 _next = _head;
switches 0:5c4d7b2438d3 30 _head = this;
switches 0:5c4d7b2438d3 31 } else {
switches 0:5c4d7b2438d3 32 _next = NULL;
switches 0:5c4d7b2438d3 33 }
switches 0:5c4d7b2438d3 34 _mutex->unlock();
switches 0:5c4d7b2438d3 35 }
switches 0:5c4d7b2438d3 36
switches 0:5c4d7b2438d3 37 FileBase::~FileBase() {
switches 0:5c4d7b2438d3 38 _mutex->lock();
switches 0:5c4d7b2438d3 39 if (_name != NULL) {
switches 0:5c4d7b2438d3 40 // remove this object from the list
switches 0:5c4d7b2438d3 41 if (_head == this) { // first in the list, so just drop me
switches 0:5c4d7b2438d3 42 _head = _next;
switches 0:5c4d7b2438d3 43 } else { // find the object before me, then drop me
switches 0:5c4d7b2438d3 44 FileBase *p = _head;
switches 0:5c4d7b2438d3 45 while (p->_next != this) {
switches 0:5c4d7b2438d3 46 p = p->_next;
switches 0:5c4d7b2438d3 47 }
switches 0:5c4d7b2438d3 48 p->_next = _next;
switches 0:5c4d7b2438d3 49 }
switches 0:5c4d7b2438d3 50 }
switches 0:5c4d7b2438d3 51 _mutex->unlock();
switches 0:5c4d7b2438d3 52 }
switches 0:5c4d7b2438d3 53
switches 0:5c4d7b2438d3 54 FileBase *FileBase::lookup(const char *name, unsigned int len) {
switches 0:5c4d7b2438d3 55 _mutex->lock();
switches 0:5c4d7b2438d3 56 FileBase *p = _head;
switches 0:5c4d7b2438d3 57 while (p != NULL) {
switches 0:5c4d7b2438d3 58 /* Check that p->_name matches name and is the correct length */
switches 0:5c4d7b2438d3 59 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
switches 0:5c4d7b2438d3 60 _mutex->unlock();
switches 0:5c4d7b2438d3 61 return p;
switches 0:5c4d7b2438d3 62 }
switches 0:5c4d7b2438d3 63 p = p->_next;
switches 0:5c4d7b2438d3 64 }
switches 0:5c4d7b2438d3 65 _mutex->unlock();
switches 0:5c4d7b2438d3 66 return NULL;
switches 0:5c4d7b2438d3 67 }
switches 0:5c4d7b2438d3 68
switches 0:5c4d7b2438d3 69 FileBase *FileBase::get(int n) {
switches 0:5c4d7b2438d3 70 _mutex->lock();
switches 0:5c4d7b2438d3 71 FileBase *p = _head;
switches 0:5c4d7b2438d3 72 int m = 0;
switches 0:5c4d7b2438d3 73 while (p != NULL) {
switches 0:5c4d7b2438d3 74 if (m == n) {
switches 0:5c4d7b2438d3 75 _mutex->unlock();
switches 0:5c4d7b2438d3 76 return p;
switches 0:5c4d7b2438d3 77 }
switches 0:5c4d7b2438d3 78
switches 0:5c4d7b2438d3 79 m++;
switches 0:5c4d7b2438d3 80 p = p->_next;
switches 0:5c4d7b2438d3 81 }
switches 0:5c4d7b2438d3 82 _mutex->unlock();
switches 0:5c4d7b2438d3 83 return NULL;
switches 0:5c4d7b2438d3 84 }
switches 0:5c4d7b2438d3 85
switches 0:5c4d7b2438d3 86 const char* FileBase::getName(void) {
switches 0:5c4d7b2438d3 87 // Constant read so no lock needed
switches 0:5c4d7b2438d3 88 return _name;
switches 0:5c4d7b2438d3 89 }
switches 0:5c4d7b2438d3 90
switches 0:5c4d7b2438d3 91 PathType FileBase::getPathType(void) {
switches 0:5c4d7b2438d3 92 // Constant read so no lock needed
switches 0:5c4d7b2438d3 93 return _path_type;
switches 0:5c4d7b2438d3 94 }
switches 0:5c4d7b2438d3 95
switches 0:5c4d7b2438d3 96 } // namespace mbed
switches 0:5c4d7b2438d3 97