Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

common/FilePath.cpp@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #include "FilePath.h"
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 namespace mbed {
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
<> 144:ef7eb2e8f9f7 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 const char* file_system = &file_path[1];
<> 144:ef7eb2e8f9f7 24 file_name = file_system;
<> 144:ef7eb2e8f9f7 25 int len = 0;
<> 144:ef7eb2e8f9f7 26 while (true) {
<> 144:ef7eb2e8f9f7 27 char c = *file_name;
<> 144:ef7eb2e8f9f7 28 if (c == '/') { // end of object name
<> 144:ef7eb2e8f9f7 29 file_name++; // point to one char after the '/'
<> 144:ef7eb2e8f9f7 30 break;
<> 144:ef7eb2e8f9f7 31 }
<> 144:ef7eb2e8f9f7 32 if (c == 0) { // end of object name, with no filename
<> 144:ef7eb2e8f9f7 33 break;
<> 144:ef7eb2e8f9f7 34 }
<> 144:ef7eb2e8f9f7 35 len++;
<> 144:ef7eb2e8f9f7 36 file_name++;
<> 144:ef7eb2e8f9f7 37 }
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 fb = FileBase::lookup(file_system, len);
<> 144:ef7eb2e8f9f7 40 }
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 const char* FilePath::fileName(void) {
<> 144:ef7eb2e8f9f7 43 return file_name;
<> 144:ef7eb2e8f9f7 44 }
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 bool FilePath::isFileSystem(void) {
<> 144:ef7eb2e8f9f7 47 if (NULL == fb)
<> 144:ef7eb2e8f9f7 48 return false;
<> 144:ef7eb2e8f9f7 49 return (fb->getPathType() == FileSystemPathType);
<> 144:ef7eb2e8f9f7 50 }
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 FileSystemLike* FilePath::fileSystem(void) {
<> 144:ef7eb2e8f9f7 53 if (isFileSystem()) {
<> 144:ef7eb2e8f9f7 54 return (FileSystemLike*)fb;
<> 144:ef7eb2e8f9f7 55 }
<> 144:ef7eb2e8f9f7 56 return NULL;
<> 144:ef7eb2e8f9f7 57 }
<> 144:ef7eb2e8f9f7 58
<> 144:ef7eb2e8f9f7 59 bool FilePath::isFile(void) {
<> 144:ef7eb2e8f9f7 60 if (NULL == fb)
<> 144:ef7eb2e8f9f7 61 return false;
<> 144:ef7eb2e8f9f7 62 return (fb->getPathType() == FilePathType);
<> 144:ef7eb2e8f9f7 63 }
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 FileLike* FilePath::file(void) {
<> 144:ef7eb2e8f9f7 66 if (isFile()) {
<> 144:ef7eb2e8f9f7 67 return (FileLike*)fb;
<> 144:ef7eb2e8f9f7 68 }
<> 144:ef7eb2e8f9f7 69 return NULL;
<> 144:ef7eb2e8f9f7 70 }
<> 144:ef7eb2e8f9f7 71
<> 144:ef7eb2e8f9f7 72 bool FilePath::exists(void) {
<> 144:ef7eb2e8f9f7 73 return fb != NULL;
<> 144:ef7eb2e8f9f7 74 }
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 } // namespace mbed