Maxim Integrated / Mbed OS Host_Software_MAX32664GWEB_HR_EXTENDED

ME11B Sample Code in Maxim Integrated Team

Dependencies:   BMI160 max32630hsp3 MemoryLCD USBDevice

Fork of Host_Software_MAX32664GWEB_HR_EXTENDED by Seyhmus Cacina

Drivers/USBDevice/USBSerial/CircBuffer.h@0:ac4dea3e2894, 2019-03-18 (annotated)

Committer:
seyhmus.cacina
Date:
Mon Mar 18 10:21:53 2019 +0300
Revision:
0:ac4dea3e2894
ME11B Sample Code First Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
seyhmus.cacina 0:ac4dea3e2894 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
seyhmus.cacina 0:ac4dea3e2894 2 *
seyhmus.cacina 0:ac4dea3e2894 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
seyhmus.cacina 0:ac4dea3e2894 4 * and associated documentation files (the "Software"), to deal in the Software without
seyhmus.cacina 0:ac4dea3e2894 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
seyhmus.cacina 0:ac4dea3e2894 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
seyhmus.cacina 0:ac4dea3e2894 7 * Software is furnished to do so, subject to the following conditions:
seyhmus.cacina 0:ac4dea3e2894 8 *
seyhmus.cacina 0:ac4dea3e2894 9 * The above copyright notice and this permission notice shall be included in all copies or
seyhmus.cacina 0:ac4dea3e2894 10 * substantial portions of the Software.
seyhmus.cacina 0:ac4dea3e2894 11 *
seyhmus.cacina 0:ac4dea3e2894 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
seyhmus.cacina 0:ac4dea3e2894 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
seyhmus.cacina 0:ac4dea3e2894 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
seyhmus.cacina 0:ac4dea3e2894 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
seyhmus.cacina 0:ac4dea3e2894 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
seyhmus.cacina 0:ac4dea3e2894 17 */
seyhmus.cacina 0:ac4dea3e2894 18
seyhmus.cacina 0:ac4dea3e2894 19 #ifndef CIRCBUFFER_H
seyhmus.cacina 0:ac4dea3e2894 20 #define CIRCBUFFER_H
seyhmus.cacina 0:ac4dea3e2894 21
seyhmus.cacina 0:ac4dea3e2894 22 template <class T, int Size>
seyhmus.cacina 0:ac4dea3e2894 23 class CircBuffer {
seyhmus.cacina 0:ac4dea3e2894 24 public:
seyhmus.cacina 0:ac4dea3e2894 25 CircBuffer():write(0), read(0){}
seyhmus.cacina 0:ac4dea3e2894 26 bool isFull() {
seyhmus.cacina 0:ac4dea3e2894 27 return ((write + 1) % size == read);
seyhmus.cacina 0:ac4dea3e2894 28 };
seyhmus.cacina 0:ac4dea3e2894 29
seyhmus.cacina 0:ac4dea3e2894 30 bool isEmpty() {
seyhmus.cacina 0:ac4dea3e2894 31 return (read == write);
seyhmus.cacina 0:ac4dea3e2894 32 };
seyhmus.cacina 0:ac4dea3e2894 33
seyhmus.cacina 0:ac4dea3e2894 34 void queue(T k) {
seyhmus.cacina 0:ac4dea3e2894 35 if (isFull()) {
seyhmus.cacina 0:ac4dea3e2894 36 read++;
seyhmus.cacina 0:ac4dea3e2894 37 read %= size;
seyhmus.cacina 0:ac4dea3e2894 38 }
seyhmus.cacina 0:ac4dea3e2894 39 buf[write++] = k;
seyhmus.cacina 0:ac4dea3e2894 40 write %= size;
seyhmus.cacina 0:ac4dea3e2894 41 }
seyhmus.cacina 0:ac4dea3e2894 42
seyhmus.cacina 0:ac4dea3e2894 43 uint16_t available() {
seyhmus.cacina 0:ac4dea3e2894 44 return (write >= read) ? write - read : size - read + write;
seyhmus.cacina 0:ac4dea3e2894 45 };
seyhmus.cacina 0:ac4dea3e2894 46
seyhmus.cacina 0:ac4dea3e2894 47 bool dequeue(T * c) {
seyhmus.cacina 0:ac4dea3e2894 48 bool empty = isEmpty();
seyhmus.cacina 0:ac4dea3e2894 49 if (!empty) {
seyhmus.cacina 0:ac4dea3e2894 50 *c = buf[read++];
seyhmus.cacina 0:ac4dea3e2894 51 read %= size;
seyhmus.cacina 0:ac4dea3e2894 52 }
seyhmus.cacina 0:ac4dea3e2894 53 return(!empty);
seyhmus.cacina 0:ac4dea3e2894 54 };
seyhmus.cacina 0:ac4dea3e2894 55
seyhmus.cacina 0:ac4dea3e2894 56 private:
seyhmus.cacina 0:ac4dea3e2894 57 volatile uint16_t write;
seyhmus.cacina 0:ac4dea3e2894 58 volatile uint16_t read;
seyhmus.cacina 0:ac4dea3e2894 59 static const int size = Size+1; //a modern optimizer should be able to remove this so it uses no ram.
seyhmus.cacina 0:ac4dea3e2894 60 T buf[Size+1];
seyhmus.cacina 0:ac4dea3e2894 61 };
seyhmus.cacina 0:ac4dea3e2894 62
seyhmus.cacina 0:ac4dea3e2894 63 #endif