gs fan / GSwifiInterface

GSwifiInterface library (interface for GainSpan Wi-Fi GS1011 modules) Please see https://mbed.org/users/gsfan/notebook/GSwifiInterface/

Dependents:   GSwifiInterface_HelloWorld GSwifiInterface_HelloServo GSwifiInterface_UDPEchoServer GSwifiInterface_UDPEchoClient ... more

Fork of WiflyInterface by mbed official

GainSpan Wi-Fi library

The GS1011/GS2100 is an ultra low power 802.11b wireless module from GainSpan.

mbed RTOS supported.

/media/uploads/gsfan/gs_im_002.jpg /media/uploads/gsfan/gs1011m_2.jpg

ゲインスパン Wi-Fi モジュール ライブラリ

ゲインスパン社の低電力 Wi-Fiモジュール（無線LAN） GS1011/GS2100 シリーズ用のライブラリです。

mbed RTOS に対応しています。(mbed2.0)

GSwifi/CBuffer.h@22:d25a5a0d2497, 2019-09-24 (annotated)

Committer:
gsfan
Date:
Tue Sep 24 06:24:37 2019 +0000
Revision:
22:d25a5a0d2497
Parent:
19:d035412a7803 
UART Command and SPI Data supported.; bug fix.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:fb4494783863 1 /* Copyright (C) 2012 mbed.org, MIT License
samux 1:fb4494783863 2 *
samux 1:fb4494783863 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:fb4494783863 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
samux 1:fb4494783863 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
samux 1:fb4494783863 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
samux 1:fb4494783863 7 * furnished to do so, subject to the following conditions:
samux 1:fb4494783863 8 *
samux 1:fb4494783863 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:fb4494783863 10 * substantial portions of the Software.
samux 1:fb4494783863 11 *
samux 1:fb4494783863 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:fb4494783863 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:fb4494783863 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:fb4494783863 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:fb4494783863 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:fb4494783863 17 */
samux 1:fb4494783863 18
samux 1:fb4494783863 19 #ifndef CIRCBUFFER_H_
samux 1:fb4494783863 20 #define CIRCBUFFER_H_
samux 1:fb4494783863 21
samux 1:fb4494783863 22 template <class T>
samux 1:fb4494783863 23 class CircBuffer {
samux 1:fb4494783863 24 public:
gsfan 19:d035412a7803 25 CircBuffer(int length, void *addr = NULL) {
samux 1:fb4494783863 26 write = 0;
samux 1:fb4494783863 27 read = 0;
samux 1:fb4494783863 28 size = length + 1;
gsfan 19:d035412a7803 29 if (addr) {
gsfan 19:d035412a7803 30 buf = (T *)addr;
gsfan 19:d035412a7803 31 } else {
gsfan 19:d035412a7803 32 buf = (T *)malloc(size * sizeof(T));
gsfan 19:d035412a7803 33 }
gsfan 11:71d67fea5ace 34 if (buf == NULL)
gsfan 11:71d67fea5ace 35 error("Can't allocate memory");
samux 1:fb4494783863 36 };
samux 1:fb4494783863 37
samux 1:fb4494783863 38 bool isFull() {
samux 1:fb4494783863 39 return (((write + 1) % size) == read);
samux 1:fb4494783863 40 };
samux 1:fb4494783863 41
samux 1:fb4494783863 42 bool isEmpty() {
samux 1:fb4494783863 43 return (read == write);
samux 1:fb4494783863 44 };
samux 1:fb4494783863 45
samux 1:fb4494783863 46 void queue(T k) {
samux 1:fb4494783863 47 if (isFull()) {
gsfan 12:057089026a20 48 // read++;
gsfan 12:057089026a20 49 // read %= size;
gsfan 12:057089026a20 50 return;
samux 1:fb4494783863 51 }
samux 1:fb4494783863 52 buf[write++] = k;
samux 1:fb4494783863 53 write %= size;
samux 1:fb4494783863 54 }
samux 1:fb4494783863 55
samux 1:fb4494783863 56 void flush() {
samux 1:fb4494783863 57 read = 0;
samux 1:fb4494783863 58 write = 0;
samux 1:fb4494783863 59 }
samux 1:fb4494783863 60
samux 1:fb4494783863 61
samux 1:fb4494783863 62 uint32_t available() {
samux 1:fb4494783863 63 return (write >= read) ? write - read : size - read + write;
samux 1:fb4494783863 64 };
samux 1:fb4494783863 65
samux 1:fb4494783863 66 bool dequeue(T * c) {
samux 1:fb4494783863 67 bool empty = isEmpty();
samux 1:fb4494783863 68 if (!empty) {
samux 1:fb4494783863 69 *c = buf[read++];
samux 1:fb4494783863 70 read %= size;
samux 1:fb4494783863 71 }
samux 1:fb4494783863 72 return(!empty);
samux 1:fb4494783863 73 };
samux 1:fb4494783863 74
samux 1:fb4494783863 75 private:
samux 1:fb4494783863 76 volatile uint32_t write;
samux 1:fb4494783863 77 volatile uint32_t read;
samux 1:fb4494783863 78 uint32_t size;
samux 1:fb4494783863 79 T * buf;
samux 1:fb4494783863 80 };
samux 1:fb4494783863 81
samux 1:fb4494783863 82 #endif