Nrithya Theetharappan / easy-connect-httpmodified

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Dependencies:   WNC14A2AInterface-httpmodified

Fork of easy-connect by Jim Flynn

esp8266-driver/ESP8266/ATParser/BufferedSerial/Buffer/MyBuffer.h@8:54ac58ec99d5, 2017-12-14 (annotated)

Committer:
nrithya
Date:
Thu Dec 14 00:33:15 2017 +0000
Revision:
8:54ac58ec99d5
Parent:
0:2563b0415d1f 
easy connect wnc added to http request with debug mode enabled. traces collected for AT%CGEQOS, AT%MEAS, AT%PCONI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:2563b0415d1f 1
JMF 0:2563b0415d1f 2 /**
JMF 0:2563b0415d1f 3 * @file Buffer.h
JMF 0:2563b0415d1f 4 * @brief Software Buffer - Templated Ring Buffer for most data types
JMF 0:2563b0415d1f 5 * @author sam grove
JMF 0:2563b0415d1f 6 * @version 1.0
JMF 0:2563b0415d1f 7 * @see
JMF 0:2563b0415d1f 8 *
JMF 0:2563b0415d1f 9 * Copyright (c) 2013
JMF 0:2563b0415d1f 10 *
JMF 0:2563b0415d1f 11 * Licensed under the Apache License, Version 2.0 (the "License");
JMF 0:2563b0415d1f 12 * you may not use this file except in compliance with the License.
JMF 0:2563b0415d1f 13 * You may obtain a copy of the License at
JMF 0:2563b0415d1f 14 *
JMF 0:2563b0415d1f 15 * http://www.apache.org/licenses/LICENSE-2.0
JMF 0:2563b0415d1f 16 *
JMF 0:2563b0415d1f 17 * Unless required by applicable law or agreed to in writing, software
JMF 0:2563b0415d1f 18 * distributed under the License is distributed on an "AS IS" BASIS,
JMF 0:2563b0415d1f 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JMF 0:2563b0415d1f 20 * See the License for the specific language governing permissions and
JMF 0:2563b0415d1f 21 * limitations under the License.
JMF 0:2563b0415d1f 22 */
JMF 0:2563b0415d1f 23
JMF 0:2563b0415d1f 24 #ifndef MYBUFFER_H
JMF 0:2563b0415d1f 25 #define MYBUFFER_H
JMF 0:2563b0415d1f 26
JMF 0:2563b0415d1f 27 #include <stdint.h>
JMF 0:2563b0415d1f 28 #include <string.h>
JMF 0:2563b0415d1f 29
JMF 0:2563b0415d1f 30 /** A templated software ring buffer
JMF 0:2563b0415d1f 31 *
JMF 0:2563b0415d1f 32 * Example:
JMF 0:2563b0415d1f 33 * @code
JMF 0:2563b0415d1f 34 * #include "mbed.h"
JMF 0:2563b0415d1f 35 * #include "MyBuffer.h"
JMF 0:2563b0415d1f 36 *
JMF 0:2563b0415d1f 37 * MyBuffer <char> buf;
JMF 0:2563b0415d1f 38 *
JMF 0:2563b0415d1f 39 * int main()
JMF 0:2563b0415d1f 40 * {
JMF 0:2563b0415d1f 41 * buf = 'a';
JMF 0:2563b0415d1f 42 * buf.put('b');
JMF 0:2563b0415d1f 43 * char *head = buf.head();
JMF 0:2563b0415d1f 44 * puts(head);
JMF 0:2563b0415d1f 45 *
JMF 0:2563b0415d1f 46 * char whats_in_there[2] = {0};
JMF 0:2563b0415d1f 47 * int pos = 0;
JMF 0:2563b0415d1f 48 *
JMF 0:2563b0415d1f 49 * while(buf.available())
JMF 0:2563b0415d1f 50 * {
JMF 0:2563b0415d1f 51 * whats_in_there[pos++] = buf;
JMF 0:2563b0415d1f 52 * }
JMF 0:2563b0415d1f 53 * printf("%c %c\n", whats_in_there[0], whats_in_there[1]);
JMF 0:2563b0415d1f 54 * buf.clear();
JMF 0:2563b0415d1f 55 * error("done\n\n\n");
JMF 0:2563b0415d1f 56 * }
JMF 0:2563b0415d1f 57 * @endcode
JMF 0:2563b0415d1f 58 */
JMF 0:2563b0415d1f 59
JMF 0:2563b0415d1f 60 template <typename T>
JMF 0:2563b0415d1f 61 class MyBuffer
JMF 0:2563b0415d1f 62 {
JMF 0:2563b0415d1f 63 private:
JMF 0:2563b0415d1f 64 T *_buf;
JMF 0:2563b0415d1f 65 volatile uint32_t _wloc;
JMF 0:2563b0415d1f 66 volatile uint32_t _rloc;
JMF 0:2563b0415d1f 67 uint32_t _size;
JMF 0:2563b0415d1f 68
JMF 0:2563b0415d1f 69 public:
JMF 0:2563b0415d1f 70 /** Create a Buffer and allocate memory for it
JMF 0:2563b0415d1f 71 * @param size The size of the buffer
JMF 0:2563b0415d1f 72 */
JMF 0:2563b0415d1f 73 MyBuffer(uint32_t size = 0x100);
JMF 0:2563b0415d1f 74
JMF 0:2563b0415d1f 75 /** Get the size of the ring buffer
JMF 0:2563b0415d1f 76 * @return the size of the ring buffer
JMF 0:2563b0415d1f 77 */
JMF 0:2563b0415d1f 78 uint32_t getSize();
JMF 0:2563b0415d1f 79
JMF 0:2563b0415d1f 80 /** Destry a Buffer and release it's allocated memory
JMF 0:2563b0415d1f 81 */
JMF 0:2563b0415d1f 82 ~MyBuffer();
JMF 0:2563b0415d1f 83
JMF 0:2563b0415d1f 84 /** Add a data element into the buffer
JMF 0:2563b0415d1f 85 * @param data Something to add to the buffer
JMF 0:2563b0415d1f 86 */
JMF 0:2563b0415d1f 87 void put(T data);
JMF 0:2563b0415d1f 88
JMF 0:2563b0415d1f 89 /** Remove a data element from the buffer
JMF 0:2563b0415d1f 90 * @return Pull the oldest element from the buffer
JMF 0:2563b0415d1f 91 */
JMF 0:2563b0415d1f 92 T get(void);
JMF 0:2563b0415d1f 93
JMF 0:2563b0415d1f 94 /** Get the address to the head of the buffer
JMF 0:2563b0415d1f 95 * @return The address of element 0 in the buffer
JMF 0:2563b0415d1f 96 */
JMF 0:2563b0415d1f 97 T *head(void);
JMF 0:2563b0415d1f 98
JMF 0:2563b0415d1f 99 /** Reset the buffer to 0. Useful if using head() to parse packeted data
JMF 0:2563b0415d1f 100 */
JMF 0:2563b0415d1f 101 void clear(void);
JMF 0:2563b0415d1f 102
JMF 0:2563b0415d1f 103 /** Determine if anything is readable in the buffer
JMF 0:2563b0415d1f 104 * @return 1 if something can be read, 0 otherwise
JMF 0:2563b0415d1f 105 */
JMF 0:2563b0415d1f 106 uint32_t available(void);
JMF 0:2563b0415d1f 107
JMF 0:2563b0415d1f 108 /** Overloaded operator for writing to the buffer
JMF 0:2563b0415d1f 109 * @param data Something to put in the buffer
JMF 0:2563b0415d1f 110 * @return
JMF 0:2563b0415d1f 111 */
JMF 0:2563b0415d1f 112 MyBuffer &operator= (T data)
JMF 0:2563b0415d1f 113 {
JMF 0:2563b0415d1f 114 put(data);
JMF 0:2563b0415d1f 115 return *this;
JMF 0:2563b0415d1f 116 }
JMF 0:2563b0415d1f 117
JMF 0:2563b0415d1f 118 /** Overloaded operator for reading from the buffer
JMF 0:2563b0415d1f 119 * @return Pull the oldest element from the buffer
JMF 0:2563b0415d1f 120 */
JMF 0:2563b0415d1f 121 operator int(void)
JMF 0:2563b0415d1f 122 {
JMF 0:2563b0415d1f 123 return get();
JMF 0:2563b0415d1f 124 }
JMF 0:2563b0415d1f 125
JMF 0:2563b0415d1f 126 uint32_t peek(char c);
JMF 0:2563b0415d1f 127
JMF 0:2563b0415d1f 128 };
JMF 0:2563b0415d1f 129
JMF 0:2563b0415d1f 130 template <class T>
JMF 0:2563b0415d1f 131 inline void MyBuffer<T>::put(T data)
JMF 0:2563b0415d1f 132 {
JMF 0:2563b0415d1f 133 _buf[_wloc++] = data;
JMF 0:2563b0415d1f 134 _wloc %= (_size-1);
JMF 0:2563b0415d1f 135
JMF 0:2563b0415d1f 136 return;
JMF 0:2563b0415d1f 137 }
JMF 0:2563b0415d1f 138
JMF 0:2563b0415d1f 139 template <class T>
JMF 0:2563b0415d1f 140 inline T MyBuffer<T>::get(void)
JMF 0:2563b0415d1f 141 {
JMF 0:2563b0415d1f 142 T data_pos = _buf[_rloc++];
JMF 0:2563b0415d1f 143 _rloc %= (_size-1);
JMF 0:2563b0415d1f 144
JMF 0:2563b0415d1f 145 return data_pos;
JMF 0:2563b0415d1f 146 }
JMF 0:2563b0415d1f 147
JMF 0:2563b0415d1f 148 template <class T>
JMF 0:2563b0415d1f 149 inline T *MyBuffer<T>::head(void)
JMF 0:2563b0415d1f 150 {
JMF 0:2563b0415d1f 151 T *data_pos = &_buf[0];
JMF 0:2563b0415d1f 152
JMF 0:2563b0415d1f 153 return data_pos;
JMF 0:2563b0415d1f 154 }
JMF 0:2563b0415d1f 155
JMF 0:2563b0415d1f 156 template <class T>
JMF 0:2563b0415d1f 157 inline uint32_t MyBuffer<T>::available(void)
JMF 0:2563b0415d1f 158 {
JMF 0:2563b0415d1f 159 return (_wloc == _rloc) ? 0 : 1;
JMF 0:2563b0415d1f 160 }
JMF 0:2563b0415d1f 161
JMF 0:2563b0415d1f 162 #endif
JMF 0:2563b0415d1f 163