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OneNet_IoT_demo for ASC platform
Dependencies: Common_lib ESP8266 EdpKit_lib cJSON_lib driver_mbed_HP20x driver_mbed_TH02 wifi_example
Fork of mbed-os-example-esp8266 by
Diff: esp8266-driver/ESP8266/ATParser/BufferedSerial/Buffer/MyBuffer.h
- Revision:
- 2:1dbc3aa8ae3a
- Parent:
- 1:b4a718e62e0b
diff -r b4a718e62e0b -r 1dbc3aa8ae3a esp8266-driver/ESP8266/ATParser/BufferedSerial/Buffer/MyBuffer.h --- a/esp8266-driver/ESP8266/ATParser/BufferedSerial/Buffer/MyBuffer.h Thu Jan 12 22:05:15 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,163 +0,0 @@ - -/** - * @file Buffer.h - * @brief Software Buffer - Templated Ring Buffer for most data types - * @author sam grove - * @version 1.0 - * @see - * - * Copyright (c) 2013 - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef MYBUFFER_H -#define MYBUFFER_H - -#include <stdint.h> -#include <string.h> - -/** A templated software ring buffer - * - * Example: - * @code - * #include "mbed.h" - * #include "MyBuffer.h" - * - * MyBuffer <char> buf; - * - * int main() - * { - * buf = 'a'; - * buf.put('b'); - * char *head = buf.head(); - * puts(head); - * - * char whats_in_there[2] = {0}; - * int pos = 0; - * - * while(buf.available()) - * { - * whats_in_there[pos++] = buf; - * } - * printf("%c %c\n", whats_in_there[0], whats_in_there[1]); - * buf.clear(); - * error("done\n\n\n"); - * } - * @endcode - */ - -template <typename T> -class MyBuffer -{ -private: - T *_buf; - volatile uint32_t _wloc; - volatile uint32_t _rloc; - uint32_t _size; - -public: - /** Create a Buffer and allocate memory for it - * @param size The size of the buffer - */ - MyBuffer(uint32_t size = 0x100); - - /** Get the size of the ring buffer - * @return the size of the ring buffer - */ - uint32_t getSize(); - - /** Destry a Buffer and release it's allocated memory - */ - ~MyBuffer(); - - /** Add a data element into the buffer - * @param data Something to add to the buffer - */ - void put(T data); - - /** Remove a data element from the buffer - * @return Pull the oldest element from the buffer - */ - T get(void); - - /** Get the address to the head of the buffer - * @return The address of element 0 in the buffer - */ - T *head(void); - - /** Reset the buffer to 0. Useful if using head() to parse packeted data - */ - void clear(void); - - /** Determine if anything is readable in the buffer - * @return 1 if something can be read, 0 otherwise - */ - uint32_t available(void); - - /** Overloaded operator for writing to the buffer - * @param data Something to put in the buffer - * @return - */ - MyBuffer &operator= (T data) - { - put(data); - return *this; - } - - /** Overloaded operator for reading from the buffer - * @return Pull the oldest element from the buffer - */ - operator int(void) - { - return get(); - } - - uint32_t peek(char c); - -}; - -template <class T> -inline void MyBuffer<T>::put(T data) -{ - _buf[_wloc++] = data; - _wloc %= (_size-1); - - return; -} - -template <class T> -inline T MyBuffer<T>::get(void) -{ - T data_pos = _buf[_rloc++]; - _rloc %= (_size-1); - - return data_pos; -} - -template <class T> -inline T *MyBuffer<T>::head(void) -{ - T *data_pos = &_buf[0]; - - return data_pos; -} - -template <class T> -inline uint32_t MyBuffer<T>::available(void) -{ - return (_wloc == _rloc) ? 0 : 1; -} - -#endif -