esp8622.h

00001 /* ---------------------------------------------------------------------------
00002 ** This software is in the public domain, furnished "as is", without technical
00003 ** support, and with no warranty, express or implied, as to its usefulness for
00004 ** any purpose.
00005 **
00006 ** esp8622.h
00007 ** NodeMCU serial comminication STM32F401RE Nucleo Board
00008 ** Author: <veyselka@hotmail.com> <v.karadag@gmail.com> Veysel KARADAG
00009 ** -------------------------------------------------------------------------*/
00010 
00011 
00012 
00013 #ifndef __ESP8622_H__
00014 #define __ESP8622_H__
00015 
00016 #include "mbed.h"
00017 #include "BufferedSerial.h"
00018 
00019 
00020 #define DEFAULT_TIMEOUT     5
00021 
00022 
00023 
00024 
00025 
00026 enum DataType {
00027     CMD     = 0,
00028     DATA    = 1,
00029 };
00030 
00031 /** Modem class.
00032  *  Used for Modem communication. attention that Modem module communicate with MCU in serial protocol
00033  */
00034 
00035 class esp8622
00036 {
00037 
00038     public:
00039     /** Create Modem Instance
00040      *  @param tx   uart transmit pin to communicate with Modem
00041      *  @param rx   uart receive pin to communicate with Modem
00042      *  @param baudRate baud rate of uart communication
00043      */
00044     esp8622(PinName tx, PinName rx, int baudRate) : esp8622_com(tx, rx) {
00045         esp8622_com.baud(baudRate);
00046     };
00047     
00048     BufferedSerial esp8622_com;
00049 
00050     /** send AT command to Modem module
00051      *  @param cmd  command array which will be send to GPRS module
00052      */
00053     void sendCmd(const char* cmd);
00054 
00055     /**send "AT" to Modem module
00056      */
00057     int sendATTest(void);
00058     
00059      /** check Modem module response before time out
00060      *  @param  *resp   correct response which Modem module will return
00061      *  @param  *timeout    waiting seconds till timeout
00062      *  @returns
00063      *      0 on success
00064      *      -1 on error
00065      */
00066     int readFromBuffer(char *resp, unsigned int timeout,unsigned int len);
00067 
00068     Timer timeCnt;
00069 
00070 
00071 };
00072 
00073 
00074 #endif