Diff: gprs.cpp

Revision:

8:1ee8ba65061a

Parent:

6:e508f9ee7922

Child:

9:2f5445178940

--- a/gprs.cpp	Mon Feb 10 03:23:02 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,332 +0,0 @@
-/*
-  gprs.cpp
-  2013 Copyright (c) Seeed Technology Inc.  All right reserved.
-
-  Author:lawliet.zou@gmail.com
-  2013-11-14
-
-  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 "gprs.h"
-
-int GPRS::readBuffer(char *buffer,int count)
-{
-    int i = 0;
-    timeCnt.start();  // start timer
-    while(1) {
-        while (gprsSerial.readable()) {
-            char c = gprsSerial.getc();
-            if (c == '\r' || c == '\n') c = '$';
-            buffer[i++] = c;
-            if(i > count)break;
-        }
-        if(i > count)break;
-        if(timeCnt.read() > DEFAULT_TIMEOUT) {
-            timeCnt.stop();
-            timeCnt.reset();
-            break;
-        }
-    }
-    wait(0.5);
-    while(gprsSerial.readable()) {	// display the other thing..
-        char c = gprsSerial.getc();
-    }
-    return 0;
-}
-
-void cleanBuffer(char *buffer, int count)
-{
-    for(int i=0; i < count; i++) {
-        buffer[i] = '\0';
-    }
-}
-
-void GPRS::sendCmd(char *cmd)
-{
-    gprsSerial.puts(cmd);
-}
-
-int GPRS::waitForResp(char *resp, int timeout)
-{
-    int len = strlen(resp);
-    int sum=0;
-    timeCnt.start();
-
-    while(1) {
-        if(gprsSerial.readable()) {
-            char c = gprsSerial.getc();
-            sum = (c==resp[sum]) ? sum+1 : 0;
-            if(sum == len)break;
-        }
-        if(timeCnt.read() > timeout) {	// time out
-            timeCnt.stop();
-            timeCnt.reset();
-            return -1;
-        }
-    }
-    timeCnt.stop();                	// stop timer
-    timeCnt.reset();             		// clear timer
-    while(gprsSerial.readable()) {  	// display the other thing..
-        char c = gprsSerial.getc();
-    }
-
-    return 0;
-}
-
-int GPRS::sendCmdAndWaitForResp(char *cmd, char *resp, int timeout)
-{
-    sendCmd(cmd);
-    return waitForResp(resp,timeout);
-}
-
-int GPRS::init(void)
-{
-    if(0 != checkSIMStatus()) {
-        return -1;
-    }
-    if(checkSignalStrength()<1) {
-        return -1;
-    }
-    if(0 != settingSMS()) {
-        return -1;
-    }
-    return 0;
-}
-
-int GPRS::checkSIMStatus(void)
-{
-    char gprsBuffer[30];
-    int count = 0;
-    cleanBuffer(gprsBuffer,30);
-    while(count < 3) {
-        sendCmd("AT+CPIN?\r\n");
-        readBuffer(gprsBuffer,30);
-        if((NULL != strstr(gprsBuffer,"+CPIN: READY"))) {
-            break;
-        }
-        count++;
-        wait(1);
-    }
-
-    if(count == 3) {
-        return -1;
-    }
-    return 0;
-}
-
-int GPRS::checkSignalStrength(void)
-{
-    char gprsBuffer[100];
-    int index,count = 0;
-    cleanBuffer(gprsBuffer,100);
-    while(count < 3) {
-        sendCmd("AT+CSQ\r\n");
-        readBuffer(gprsBuffer,25);
-        if(sscanf(gprsBuffer, "AT+CSQ$$$$+CSQ: %d", &index)>0) {
-            break;
-        }
-        count++;
-        wait(1);
-    }
-    if(count == 3) {
-        return -1;
-    }
-    return index;
-}
-
-int GPRS::settingSMS(void)
-{
-    if(0 != sendCmdAndWaitForResp("AT+CNMI=2,2\r\n", "OK", DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    if(0 != sendCmdAndWaitForResp("AT+CMGF=1\r\n", "OK", DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    return 0;
-}
-
-int GPRS::sendSMS(char *number, char *data)
-{
-    char cmd[64];
-    while(gprsSerial.readable()) {
-        char c = gprsSerial.getc();
-    }
-    snprintf(cmd, sizeof(cmd),"AT+CMGS=\"%s\"\r\n",number);
-    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    wait(1);
-    gprsSerial.puts(data);
-    gprsSerial.putc((char)0x1a);
-    return 0;
-}
-
-int GPRS::readSMS(char *message, int index)
-{
-    int i = 0;
-    char gprsBuffer[100];
-    char *p,*s;
-    gprsSerial.printf("AT+CMGR=%d\r\n",index);
-    cleanBuffer(gprsBuffer,100);
-    readBuffer(gprsBuffer,100);
-    if(NULL == ( s = strstr(gprsBuffer,"+CMGR"))) {
-        return -1;
-    }
-    if(NULL != ( s = strstr(gprsBuffer,"+32"))) {
-        p = s + 6;
-        while((*p != '$')&&(i < SMS_MAX_LENGTH-1)) {
-            message[i++] = *(p++);
-        }
-        message[i] = '\0';
-    }
-    return 0;
-}
-
-int GPRS::deleteSMS(int index)
-{
-    char cmd[32];
-    snprintf(cmd,sizeof(cmd),"AT+CMGD=%d\r\n",index);
-    sendCmd(cmd);
-    return 0;
-}
-
-int GPRS::getSMS(char* message)
-{
-    if(NULL != messageBuffer) {
-        strncpy(message,messageBuffer,SMS_MAX_LENGTH);
-    }
-    return 0;
-}
-
-int GPRS::callUp(char *number)
-{
-    if(0 != sendCmdAndWaitForResp("AT+COLP=1\r\n","OK",5)) {
-        return -1;
-    }
-    wait(1);
-    gprsSerial.printf("\r\nATD%s;\r\n",NULL==number?phoneNumber:number);
-    return 0;
-}
-
-int GPRS::answer(void)
-{
-    gprsSerial.printf("ATA\r\n");
-    return 0;
-}
-
-int GPRS::loopHandle(void)
-{
-    char gprsBuffer[100];
-    int i = 0;
-    char *s = NULL;
-    cleanBuffer(gprsBuffer,100);
-    while(gprsSerial.readable()) {
-        char c = gprsSerial.getc();
-    }
-    wait(1);
-START:
-    while(1) {
-        if(gprsSerial.readable()) {
-            break;
-        }
-        wait(1);
-    }
-    timeCnt.start();  // start timer
-    while(1) {
-        while (gprsSerial.readable()) {
-            char c = gprsSerial.getc();
-            if (c == '\r' || c == '\n') c = '$';
-            gprsBuffer[i] = c;
-            i++;
-            if(i > 100) {
-                i = 0;
-                break;
-            }
-        }
-        if(timeCnt.read() > 5) {          // time out
-            timeCnt.stop();
-            timeCnt.reset();
-            break;
-        }
-    }
-    if(NULL != strstr(gprsBuffer,"RING")) {
-        return MESSAGE_RING;
-    } else if(NULL != (s = strstr(gprsBuffer,"+CMT"))) { //SMS: $$+CMTI: "SM",24$$
-        if(NULL != (s = strstr(gprsBuffer,"+32"))) {
-            s += 6;
-            int i = 0;
-            cleanBuffer(messageBuffer,SMS_MAX_LENGTH);
-            while((*s != '$')&&(i < SMS_MAX_LENGTH-1)) {
-                messageBuffer[i++] = *(s++);
-            }
-            messageBuffer[i] = '\0';
-            return MESSAGE_SMS;
-        } else {
-            goto START;
-        }
-    } else {
-        goto START;
-    }
-}
-
-int GPRS::networkInit(char* apn, char* userName, char* passWord)
-{
-    char cstt[64];
-    snprintf(cstt,sizeof(cstt),"AT+CSTT=\"%s\",\"%s\",\"%s\"\r\n",apn,userName,passWord);
-    if(0 != sendCmdAndWaitForResp(cstt, "OK", DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    return 0;
-}
-
-int GPRS::connectTCP(char *ip, char *port)
-{
-    char cipstart[64];
-#if 0
-    if(0 != sendCmdAndWaitForResp("AT+CSTT=\"CMNET\",\"\",\"\"\r\n", "OK", 5)) {
-        return -1;
-    }
-#endif
-    sprintf(cipstart, "AT+CIPSTART=\"TCP\",\"%s\",\"%s\"\r\n", ip, port);
-    if(0 != sendCmdAndWaitForResp(cipstart, "OK", DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    return 0;
-}
-int GPRS::sendTCPData(char *data)
-{
-    char cmd[64];
-    int len = strlen(data);
-    snprintf(cmd,sizeof(cmd),"AT+CIPSEND=%d\r\n",len);
-    if(0 != sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    if(0 != sendCmdAndWaitForResp(data,"OK",DEFAULT_TIMEOUT)) {
-        return -1;
-    }
-    return 0;
-}
-
-int GPRS::closeTCP(void)
-{
-    sendCmd("AT+CIPCLOSE\r\n");
-    return 0;
-}
-
-int GPRS::shutTCP(void)
-{
-    sendCmd("AT+CIPSHUT\r\n");
-    return 0;
-}