MODEM SIM900 socket websocket and command sms

Dependencies:   Pulse SDFileSystem TinyJpgDec mbed-rtos mbed

Files at this revision

API Documentation at this revision

Comitter:
metabi814
Date:
Fri Jun 12 10:07:59 2015 +0000
Commit message:
sim900 socket and websocket project

Changed in this revision

Pulse.lib Show annotated file Show diff for this revision Revisions of this file
SDFileSystem.lib Show annotated file Show diff for this revision Revisions of this file
TinyJpgDec.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-rtos.lib Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
modem/modem.cpp Show annotated file Show diff for this revision Revisions of this file
modem/modem.h Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 214db1fdfc95 Pulse.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Pulse.lib	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/NickRyder/code/Pulse/#fb79a4637a64
diff -r 000000000000 -r 214db1fdfc95 SDFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/neilt6/code/SDFileSystem/#c2c1f0b16380
diff -r 000000000000 -r 214db1fdfc95 TinyJpgDec.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TinyJpgDec.lib	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/humlet/code/TinyJpgDec/#b6f284347a66
diff -r 000000000000 -r 214db1fdfc95 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,314 @@
+#include "mbed.h"
+#include "modem.h"
+#include "rtos.h"
+#include "math.h"
+/* DEFINICION DE PUERTOS */
+DigitalOut led1(LED1);
+DigitalOut power(PA_13);
+DigitalOut sound(PA_14);
+/* */
+Serial pc(USBTX,USBRX);
+char res[32];
+Modem modem(PA_11,PA_12,19200);
+/*Sortie Digital */
+DigitalOut ch1(PC_3);
+DigitalOut ch2(PC_2);
+DigitalOut ch3(PH_1);
+DigitalOut ch4(PH_0);
+DigitalOut ch5(PC_15);
+DigitalOut ch6(PC_14);
+DigitalOut ch7(PC_13);
+DigitalOut ch8(PB_7);
+/*Entre analogic */
+AnalogIn tmp1(PC_0);
+AnalogIn tmp2(PC_1);
+AnalogIn tmp3(PB_0);
+AnalogIn tmp4(PA_4);
+AnalogIn tmp5(PA_1);
+AnalogIn light(PA_0);
+/*variables globales */
+int st[8]= {0}; // state de relay
+//double ADC[6]= {0}; // sensor temperature et 1 sensor lumiere ADC[5]
+
+int x;
+class sim900
+{
+
+public:
+    int on(void);
+    int off(void);
+    void speak(int tmp);
+    int relay(int rel,int state,int seg);  //1 gsm , 2 gprs
+    float read_Temp(int n_sensor);
+};
+
+class gprs
+{
+public:
+};
+
+class sms:sim900
+{
+public:
+    int send_m(char *num,char *text);
+    int read_m(void);
+    int sms_cmd(void);
+};
+
+/*definicion de clases*/
+int sim900::on()
+{
+    int i=3;
+    i=modem.sendCmdAndWaitForResp("AT\r", "OK", DEFAULT_TIMEOUT,CMD);
+    if(i==0) {
+        led1=1;
+        speak(2);
+        return 0;     //ok encendido
+    } else {
+        power=1;
+        wait(0.5);
+        power=0;
+        wait(3);
+        i=modem.sendCmdAndWaitForResp("AT\r", "OK", DEFAULT_TIMEOUT,CMD);
+        if(i==0) {
+            led1=1;
+            speak(2);
+        } else {
+            led1=0;
+            speak(4);
+            return -1;
+        }
+        return 0;
+    }
+
+}
+int sim900::off()
+{
+    int i=3;
+    i=modem.sendCmdAndWaitForResp("AT\r", "OK", DEFAULT_TIMEOUT,CMD);
+    if(i==0) {
+        speak(4);
+        power=1;
+        wait(1);
+        power=0;
+        led1=0;
+        return 0;     //ok encendido
+    } else {
+        i=modem.sendCmdAndWaitForResp("AT\r", "OK", DEFAULT_TIMEOUT,CMD);
+        if(i==0) {
+            speak(4);
+            power=1;
+            wait(1);
+            power=0;
+            led1=0;
+            return 0;     //ok encendido
+        } else {
+            led1=0;
+            speak(4);
+        }
+        return -1;   // no apagado
+    }
+
+}
+
+void sim900::speak(int tmp)
+{
+    for(int i=0; i<tmp; i++) {
+        sound=1;
+        wait(0.3);
+        sound=0;
+        wait(0.3);
+    }
+}
+
+int sim900::relay(int rel,int state,int seg)
+{
+    switch (rel) {
+        case 1:
+            ch1=state;
+            break;
+        case 2:
+            ch2=state;
+            break;
+        case 3:
+            ch3=state;
+            break;
+        case 4:
+            ch4=state;
+            break;
+        case 5:
+            ch5=state;
+            break;
+        case 6:
+            ch6=state;
+            break;
+        case 7:
+            ch7=state;
+            break;
+        case 8:
+            ch8=state;
+            break;
+    }
+    wait(1);
+    ch1=0;
+    ch2=0;
+    ch3=0;
+    ch4=0;
+    return 0;
+}
+
+float sim900::read_Temp(int n_sensor)
+{
+    double tr,y,temp;
+    uint16_t meas=0;
+    float Valim=3300;
+    float ADCres=65535;
+    double Result_V = 0;
+    double MinStepRes = 0;
+
+    meas=tmp1.read_u16();
+
+    switch (n_sensor) {
+        case 1:
+            meas=tmp1.read_u16();
+            break;
+        case 2:
+            meas=tmp2.read_u16();
+            break;
+        case 3:
+            meas=tmp3.read_u16();
+            break;
+        case 4:
+            meas=tmp4.read_u16();
+            break;
+        case 5:
+            meas=tmp5.read_u16();
+            break;
+        case 6:
+            meas=light.read_u16();
+            break;
+    }
+    
+    MinStepRes = (Valim / ADCres);
+    Result_V = ((MinStepRes * meas))/1000.0;
+    tr=(Result_V*47000.0)/(3.3-Result_V);
+    y=log(tr/47000.0);
+    y=(1.0/298.15)+(y*(1.0/4450.0));
+    temp=1.0/y;
+    temp=temp-273.15;
+    pc.printf("Temp=%f\r\n",temp);
+ return temp;
+}
+
+int sms::send_m(char *num,char *text)
+{
+    char aux_string[22]= {0};
+    int answer;
+    modem.sendCmd("AT+CMGF=1\r");
+    wait(1);
+    sprintf(aux_string,"AT+CMGS=\"%s\"\r",num);
+    modem.sendCmd(aux_string);
+    wait(1);
+    modem.sendCmd(text);
+    wait(1);
+    answer=modem.sendCmdAndWaitForResp("\x1A", "OK", DEFAULT_TIMEOUT,CMD);
+    if(answer==0) {
+        pc.printf("message envoye");
+    } else {
+        pc.printf("erreur ctrl z");
+    }
+    return 0;
+}
+
+
+
+int sms::read_m()
+{
+    char m[200]= {0};
+    char *p;
+    char CH1[5]= {0},CH2[5]= {0},CH3[5]= {0},CH4[5]= {0},CH5[5]= {0},CH6[5]= {0},CH7[5]= {0},CH8[1]= {0};
+    char phone_number[]="+33000000000";
+    int r;
+    r=modem.sendCmdAndWaitForResp("AT+CMGR=1\r","+CMGR:",DEFAULT_TIMEOUT,CMD);
+    if(r==0) {
+        modem.readBuffer(m,200,1);   // leer buffer y guardar en array m[].
+        if(NULL!=(p=strstr(m,"+33"))) {
+            strncpy(phone_number,p,12);
+            pc.puts(phone_number);
+        }
+
+        if(NULL!=(p=strstr(m,"CH1="))) {
+            strncpy(CH1,p+4,1);
+            st[0]=atoi(CH1);
+            relay(1,st[0],1);
+            pc.puts(CH1);
+        }
+
+        if(NULL!=(p=strstr(m,"CH2="))) {
+            strncpy(CH2,p+4,1);
+            st[1]=atoi(CH2);
+            relay(2,st[1],1);
+            pc.puts(CH2);
+        }
+        if(NULL!=(p=strstr(m,"CH3="))) {
+            strncpy(CH3,p+4,1);
+            st[2]=atoi(CH3);
+            relay(3,st[2],1);
+            pc.puts(CH3);
+        }
+        if(NULL!=(p=strstr(m,"CH4="))) {
+            strncpy(CH4,p+4,1);
+            st[3]=atoi(CH4);
+            relay(4,st[3],1);
+            pc.puts(CH4);
+        }
+        if(NULL!=(p=strstr(m,"CH5="))) {
+            strncpy(CH5,p+4,1);
+            st[4]=atoi(CH5);
+            relay(5,st[0],1);
+            pc.puts(CH5);
+        }
+        if(NULL!=(p=strstr(m,"CH6="))) {
+            strncpy(CH6,p+4,1);
+            st[5]=atoi(CH6);
+            relay(6,st[5],1);
+            pc.puts(CH6);
+        }
+        if(NULL!=(p=strstr(m,"CH7="))) {
+            strncpy(CH7,p+4,1);
+            st[6]=atoi(CH7);
+            relay(7,st[6],1);
+            pc.puts(CH7);
+        }
+        if(NULL!=(p=strstr(m,"CH8="))) {
+            strncpy(CH8,p+4,1);
+            st[7]=atoi(CH8);
+            relay(8,st[7],1);
+            pc.puts(CH8);
+        }
+        modem.sendCmd("AT+CMGD=1\r");
+        send_m(phone_number,"comando recibido\r");
+        modem.cleanBuffer(m,200);
+    }
+    //pc.printf("%s",m);
+    return 0;
+}
+
+int main()
+{
+    sim900 sim;
+    // float temperatura;
+    sms sms1;
+    modem.sendCmd("AT+CNMI=3,1,0,0\r");
+    modem.sendCmd("AT+ECHO\r");
+    x=sim.on();
+    pc.printf("%d",x);
+    while(true) {
+        sms1.read_m();
+        sim.read_Temp(2);
+        wait(1);
+    }
+    //x=sim.off();
+    //pc.printf("%d",x);
+
+}
\ No newline at end of file
diff -r 000000000000 -r 214db1fdfc95 mbed-rtos.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos.lib	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-rtos/#85a52b7ef44b
diff -r 000000000000 -r 214db1fdfc95 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/dbbf35b96557
\ No newline at end of file
diff -r 000000000000 -r 214db1fdfc95 modem/modem.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modem/modem.cpp	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,129 @@
+/*
+  modem.cpp
+  2014 Copyright (c) Seeed Technology Inc.  All right reserved.
+
+  Author:lawliet zou(lawliet.zou@gmail.com)
+  2014-2-24
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "modem.h"
+
+char Modem::readByte(void)
+{
+    return serialModem.getc();
+}
+
+bool Modem::readable()
+{
+    return serialModem.readable();
+}
+
+int Modem::readBuffer(char *buffer,int count, unsigned int timeOut)
+{
+    int i = 0;
+    timeCnt.start();
+    while(1) {
+        while (serialModem.readable()) {
+            char c = serialModem.getc();
+            buffer[i++] = c;
+            if(i >= count)break;
+        }
+        if(i >= count)break;
+        if(timeCnt.read() > timeOut) {
+            timeCnt.stop();
+            timeCnt.reset();
+            break;
+        }
+    }
+    return 0;
+}
+
+void Modem::cleanBuffer(char *buffer, int count)
+{
+    for(int i=0; i < count; i++) {
+        buffer[i] = '\0';
+    }
+}
+
+void Modem::sendCmd(const char* cmd)
+{
+    serialModem.puts(cmd);
+}
+
+void Modem::sendATTest(void)
+{
+    sendCmdAndWaitForResp("AT\r\n","OK",DEFAULT_TIMEOUT,CMD);
+}
+
+bool Modem::respCmp(const char *resp, unsigned int len, unsigned int timeout)
+{
+    int sum=0;
+    timeCnt.start();
+
+    while(1) {
+        if(serialModem.readable()) {
+            char c = serialModem.getc();
+            sum = (c==resp[sum]) ? sum+1 : 0;
+            if(sum == len)break;
+        }
+        if(timeCnt.read() > timeout) {
+            timeCnt.stop();
+            timeCnt.reset();
+            return false;
+        }
+    }
+    timeCnt.stop();
+    timeCnt.reset();
+
+    return true;
+}
+
+int Modem::waitForResp(const char *resp, unsigned int timeout,DataType type)
+{
+    int len = strlen(resp);
+    int sum=0;
+    timeCnt.start();
+
+    while(1) {
+        if(serialModem.readable()) {
+            char c = serialModem.getc();
+            sum = (c==resp[sum]) ? sum+1 : 0;
+            if(sum == len)break;
+        }
+        if(timeCnt.read() > timeout) {
+            timeCnt.stop();
+            timeCnt.reset();
+            return -1;
+        }
+    }
+    timeCnt.stop();
+    timeCnt.reset();
+
+    if(type == CMD) {
+        while(serialModem.readable()) {
+            char c = serialModem.getc();
+        }
+    }
+
+    return 0;
+}
+
+int Modem::sendCmdAndWaitForResp(const char* data, const char *resp, unsigned timeout,DataType type)
+{
+    sendCmd(data);
+    return waitForResp(resp,timeout,type);
+}
diff -r 000000000000 -r 214db1fdfc95 modem/modem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modem/modem.h	Fri Jun 12 10:07:59 2015 +0000
@@ -0,0 +1,128 @@
+/*
+  modem.h
+  2014 Copyright (c) Seeed Technology Inc.  All right reserved.
+
+  Author:lawliet zou(lawliet.zou@gmail.com)
+  2014-2-24
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef __MODEM_H__
+#define __MODEM_H__
+
+#include "mbed.h"
+
+#define DEFAULT_TIMEOUT   	5
+
+enum DataType {
+    CMD		= 0,
+    DATA	= 1,
+};
+
+/** Modem class.
+ *  Used for Modem communication. attention that Modem module communicate with MCU in serial protocol
+ */
+class Modem
+{
+
+public:
+    /**	Create Modem Instance
+     *  @param tx	uart transmit pin to communicate with Modem
+     *  @param rx	uart receive pin to communicate with Modem
+     *  @param baudRate	baud rate of uart communication
+     */
+    Modem(PinName tx, PinName rx, int baudRate) : serialModem(tx, rx) {
+        serialModem.baud(baudRate);
+    };
+
+	Serial serialModem;
+
+    /** Power on Modem
+     */
+    void preInit(void);
+
+    /** check serialModem is readable or not
+     *	@returns
+     *		true on readable
+     *		false on not readable
+     */
+    bool readable();
+
+    /** read one byte from serialModem
+     *	@returns
+     *		one byte read from serialModem
+     */
+    char readByte(void);
+
+    /** read from Modem module and save to buffer array
+     *  @param  buffer	buffer array to save what read from Modem module
+     *  @param  count 	the maximal bytes number read from Modem module
+     *  @param  timeOut	time to wait for reading from Modem module
+     *  @returns
+     *      0 on success
+     *      -1 on error
+     */
+    int readBuffer(char* buffer,int count, unsigned int timeOut);
+
+
+    /** clean Buffer
+     *	@param buffer	buffer to clean
+     *	@param count	number of bytes to clean
+     */
+    void cleanBuffer(char* buffer, int count);
+
+    /** send AT command to Modem module
+     *  @param cmd	command array which will be send to GPRS module
+     */
+    void sendCmd(const char* cmd);
+
+    /**send "AT" to Modem module
+     */
+    void sendATTest(void);
+
+    /**	compare the response from GPRS module with a string
+     *	@param resp	buffer to be compared
+     *	@param len length that will be compared
+     *	@param timeout	waiting seconds till timeout
+     */
+    bool respCmp(const char *resp, unsigned int len, unsigned int timeout);
+
+    /** check Modem module response before time out
+     *  @param  *resp   correct response which Modem module will return
+     *  @param  *timeout    waiting seconds till timeout
+     *  @returns
+     *      0 on success
+     *      -1 on error
+     */
+    int waitForResp(const char *resp, unsigned int timeout,DataType type);
+
+    /** send AT command to GPRS module and wait for correct response
+     *  @param  *cmd 	AT command which will be send to GPRS module
+     *  @param  *resp   correct response which GPRS module will return
+     *  @param  *timeout 	waiting seconds till timeout
+     *  @returns
+     *      0 on success
+     *      -1 on error
+     */
+    int sendCmdAndWaitForResp(const char* data, const char *resp, unsigned timeout,DataType type);
+
+    Timer timeCnt;
+
+private:
+
+};
+
+#endif