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DFRobot_sim808.cpp
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DFRobot_sim808.cpp
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/*!
* @file DFRobot_sim808.cpp
* @A library for DFRobot's SIM808 GPS/DFRobot_SIM808/GSM Shield
*
* @copyright [DFRobot](http://www.dfrobot.com), 2016
*
* @author [Jason]([email protected])
* @version V1.0
* @date 2016-09-23
* The MIT License (MIT)
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include <Arduino.h> // in my linux system, names are case sensitive
#include "DFRobot_sim808.h"
extern Stream *serialSIM808;
DFRobot_SIM808* DFRobot_SIM808::inst;
char receivedStackIndex = 0;
char receivedStack[130];
const char *des = "$GPRMC";
//char *receivedStack="$GPRMC,165445.000,A,3110.8635,N,12133.4627,E,0.58,70.26,220916,,,A*57";
DFRobot_SIM808::DFRobot_SIM808(HardwareSerial *mySerial)
{
inst = this;
serialFlag = 1;
hgprsSerial = mySerial;
sim808_init(mySerial, 1);
}
DFRobot_SIM808::DFRobot_SIM808(SoftwareSerial *mySerial)
{
inst = this;
serialFlag = 0;
gprsSerial = mySerial;
sim808_init(mySerial, 0);
}
bool DFRobot_SIM808::init(void)
{
//检查AT指令是否有效
if(!sim808_check_with_cmd( F("AT\r\n"),"OK\r\n",CMD)){
return false;
}
// Reset to factory defaults
if(!sim808_check_with_cmd( F("ATZ\r\n"),"OK\r\n",CMD)){
return false;
}
//检查SIM是否可以打电话，发短信
// 1 : OK
if(!sim808_check_with_cmd( F("AT+CFUN=1\r\n"),"OK\r\n",CMD)){
return false;
}
//检查SIM卡状态
if(!checkSIMStatus()) {
return false;
}
return true;
}
bool DFRobot_SIM808::checkPowerUp(void)
{
return sim808_check_with_cmd( F("AT\r\n"),"OK\r\n",CMD);
}
void DFRobot_SIM808::powerUpDown(uint8_t pin)
{
// power on pulse for SIM900 Shield
digitalWrite(pin,LOW);
delay(1000);
digitalWrite(pin,HIGH);
delay(2000);
digitalWrite(pin,LOW);
delay(3000);
}
void DFRobot_SIM808::powerReset(uint8_t pin)
{
// reset for SIM800L board.
// RST pin has to be OUTPUT, HIGH
digitalWrite(pin,LOW);
delay(1000);
digitalWrite(pin,HIGH);
delay(3000);
}
bool DFRobot_SIM808::checkSIMStatus(void)
{
char gprsBuffer[32];
int count = 0;
sim808_clean_buffer(gprsBuffer,32);
while(count < 3) {
sim808_send_cmd( F("AT+CPIN?\r\n") );
sim808_read_buffer(gprsBuffer,32,DEFAULT_TIMEOUT);
if((NULL != strstr(gprsBuffer,"+CPIN: READY"))) { //表示SIM状态正常
break;
}
count++;
delay(300);
}
if(count == 3) {
return false;
}
return true;
}
bool DFRobot_SIM808::sendSMS(const char *number, const char *data)
{
//char cmd[32];
if(!sim808_check_with_cmd( F("AT+CMGF=1\r\n"), "OK\r\n", CMD)) { // Set message mode to ASCII
return false;
}
delay(500);
sim808_flush_serial();
sim808_send_cmd( F("AT+CMGS=\"") );
sim808_send_cmd(number);
//sprintf(cmd,"AT+CMGS=\"%s\"\r\n", number);
//snprintf(cmd, sizeof(cmd),"AT+CMGS=\"%s\"\r\n", number);
// if(!sim808_check_with_cmd(cmd,">",CMD)) {
if(!sim808_check_with_cmd(F("\"\r\n"),">",CMD)) {
return false;
}
delay(1000);
sim808_send_cmd(data);
delay(500);
sim808_send_End_Mark();
return sim808_wait_for_resp("OK\r\n", CMD);
}
bool DFRobot_SIM808::sendSMS(const char *number, const __FlashStringHelper* data)
{
//char cmd[32];
if(!sim808_check_with_cmd( F("AT+CMGF=1\r\n"), "OK\r\n", CMD)) { // Set message mode to ASCII
return false;
}
delay(500);
sim808_flush_serial();
sim808_send_cmd( F("AT+CMGS=\"") );
sim808_send_cmd(number);
//sprintf(cmd,"AT+CMGS=\"%s\"\r\n", number);
//snprintf(cmd, sizeof(cmd),"AT+CMGS=\"%s\"\r\n", number);
// if(!sim808_check_with_cmd(cmd,">",CMD)) {
if(!sim808_check_with_cmd(F("\"\r\n"),">",CMD)) {
return false;
}
delay(1000);
sim808_send_cmd(data);
delay(500);
sim808_send_End_Mark();
return sim808_wait_for_resp("OK\r\n", CMD);
}
char DFRobot_SIM808::isSMSunread()
{
char gprsBuffer[48]; //48 is enough to see +CMGL:
char *s;
sim808_check_with_cmd( F("AT+CMGF=1\r\n"),"OK\r\n",CMD);
delay(1000);
//List of all UNREAD SMS and DON'T change the SMS UNREAD STATUS
sim808_send_cmd( F("AT+CMGL=\"REC UNREAD\",1\r\n") );
/*If you want to change SMS status to READ you will need to send:
AT+CMGL=\"REC UNREAD\"\r\n
This command will list all UNREAD SMS and change all of them to READ
If there is not SMS, response is (30 chars)
AT+CMGL="REC UNREAD",1 --> 22 + 2
--> 2
OK --> 2 + 2
If there is SMS, response is like (>64 chars)
AT+CMGL="REC UNREAD",1
+CMGL: 9,"REC UNREAD","XXXXXXXXX","","14/10/16,21:40:08+08"
Here SMS text.
OK
or
AT+CMGL="REC UNREAD",1
+CMGL: 9,"REC UNREAD","XXXXXXXXX","","14/10/16,21:40:08+08"
Here SMS text.
+CMGL: 10,"REC UNREAD","YYYYYYYYY","","14/10/16,21:40:08+08"
Here second SMS
OK
*/
sim808_clean_buffer(gprsBuffer,31);
sim808_read_buffer(gprsBuffer,30,DEFAULT_TIMEOUT);
//Serial.print("Buffer isSMSunread: ");Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"OK"))) {
//In 30 bytes "doesn't" fit whole +CMGL: response, if recieve only "OK"
// means you don't have any UNREAD SMS
delay(50);
return 0;
} else {
//More buffer to read
//We are going to flush serial data until OK is recieved
sim808_wait_for_resp("OK\r\n", CMD);
//sim808_flush_serial();
//We have to call command again
sim808_send_cmd( F("AT+CMGL=\"REC UNREAD\", 1\r\n" ) );
sim808_clean_buffer(gprsBuffer,48);
sim808_read_buffer(gprsBuffer,47,DEFAULT_TIMEOUT);
//Serial.print("Buffer isSMSunread 2: ");Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"+CMGL:"))) {
//There is at least one UNREAD SMS, get index/position
s = strstr(gprsBuffer,":");
if (s != NULL) {
//We are going to flush serial data until OK is recieved
sim808_wait_for_resp("OK\r\n", CMD);
return atoi(s+1);
}
} else {
return -1;
}
}
return -1;
}
char DFRobot_SIM808::isSMS(typeSMS type)
{
char gprsBuffer[48]; //48 is enough to see +CMGL:
char *s;
sim808_check_with_cmd(F("AT+CMGF=1\r\n"),"OK\r\n",CMD);
delay(1000);
//List of all UNREAD SMS and DON'T change the SMS UNREAD STATUS
sim808_send_cmd(F("AT+CMGL=\""));
switch (type) {
case REC_UNREAD: sim808_send_cmd(F("REC UNREAD")); break;
case REC_READ: sim808_send_cmd(F("REC READ")); break;
case STO_UNSENT: sim808_send_cmd(F("STO UNSENT")); break;
case STO_SENT: sim808_send_cmd(F("STO SENT")); break;
case ALL: sim808_send_cmd(F("ALL"));
};
sim808_send_cmd(F("\",1\r\n"));
/*If you want to change SMS status to READ you will need to send:
AT+CMGL=\"REC UNREAD\"\r\n
This command will list all UNREAD SMS and change all of them to READ
If there is not SMS, response is (30 chars)
AT+CMGL="REC UNREAD",1 --> 22 + 2
--> 2
OK --> 2 + 2
If there is SMS, response is like (>64 chars)
AT+CMGL="REC UNREAD",1
+CMGL: 9,"REC UNREAD","XXXXXXXXX","","14/10/16,21:40:08+08"
Here SMS text.
OK
or
AT+CMGL="REC UNREAD",1
+CMGL: 9,"REC UNREAD","XXXXXXXXX","","14/10/16,21:40:08+08"
Here SMS text.
+CMGL: 10,"REC UNREAD","YYYYYYYYY","","14/10/16,21:40:08+08"
Here second SMS
OK
*/
sim808_clean_buffer(gprsBuffer,31);
sim808_read_buffer(gprsBuffer,30,DEFAULT_TIMEOUT);
//Serial.print("Buffer isSMSunread: ");Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"OK"))) {
//In 30 bytes "doesn't" fit whole +CMGL: response, if recieve only "OK"
// means you don't have any UNREAD SMS
delay(50);
return 0;
} else {
//More buffer to read
//We are going to flush serial data until OK is recieved
sim808_wait_for_resp("OK\r\n", CMD);
//sim808_flush_serial();
//We have to call command again
sim808_send_cmd(F("AT+CMGL=\""));
switch (type) {
case REC_UNREAD: sim808_send_cmd(F("REC UNREAD")); break;
case REC_READ: sim808_send_cmd(F("REC READ")); break;
case STO_UNSENT: sim808_send_cmd(F("STO UNSENT")); break;
case STO_SENT: sim808_send_cmd(F("STO SENT")); break;
case ALL: sim808_send_cmd(F("ALL"));
};
sim808_send_cmd(F("\",1\r\n"));
sim808_clean_buffer(gprsBuffer,48);
sim808_read_buffer(gprsBuffer,47,DEFAULT_TIMEOUT);
//Serial.print("Buffer isSMSunread 2: ");Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"+CMGL:"))) {
//There is at least one UNREAD SMS, get index/position
s = strstr(gprsBuffer,":");
if (s != NULL) {
//We are going to flush serial data until OK is recieved
sim808_wait_for_resp("OK\r\n", CMD);
return atoi(s+1);
}
} else {
return -1;
}
}
return -1;
}
bool DFRobot_SIM808::readSMS(int messageIndex, char *message, int length, char *phone, char *datetime)
{
/* Response is like:
AT+CMGR=2
+CMGR: "REC READ","XXXXXXXXXXX","","14/10/09,17:30:17+08"
SMS text here
So we need (more or lees), 80 chars plus expected message length in buffer. CAUTION FREE MEMORY
*/
int i = 0;
char gprsBuffer[80 + length];
//char cmd[16];
char num[4];
char *p,*p2,*s;
sim808_check_with_cmd( F("AT+CMGF=1\r\n"),"OK\r\n",CMD);
delay(1000);
//sprintf(cmd,"AT+CMGR=%d\r\n",messageIndex);
//sim808_send_cmd(cmd);
sim808_send_cmd( F("AT+CMGR="));
itoa(messageIndex, num, 10);
sim808_send_cmd(num);
sim808_send_cmd("\r\n");
sim808_clean_buffer(gprsBuffer,sizeof(gprsBuffer));
sim808_read_buffer(gprsBuffer,sizeof(gprsBuffer));
if(NULL != ( s = strstr(gprsBuffer,"+CMGR:"))){
// Extract phone number string
p = strstr(s,",");
p2 = p + 2; //We are in the first phone number character
p = strstr((char *)(p2), "\"");
if (NULL != p) {
i = 0;
while (p2 < p) {
phone[i++] = *(p2++);
}
phone[i] = '\0';
}
// Extract date time string
p = strstr((char *)(p2),",");
p2 = p + 1;
p = strstr((char *)(p2), ",");
p2 = p + 2; //We are in the first date time character
p = strstr((char *)(p2), "\"");
if (NULL != p) {
i = 0;
while (p2 < p) {
datetime[i++] = *(p2++);
}
datetime[i] = '\0';
}
if(NULL != ( s = strstr(s,"\r\n"))){
i = 0;
p = s + 2;
while((*p != '\r')&&(i < length-1)) {
message[i++] = *(p++);
}
message[i] = '\0';
}
return true;
}
return false;
}
bool DFRobot_SIM808::readSMS(int messageIndex, char *message,int length)
{
int i = 0;
char gprsBuffer[100];
//char cmd[16];
char num[4];
char *p,*s;
sim808_check_with_cmd( F("AT+CMGF=1\r\n"), "OK\r\n",CMD);
delay(1000);
sim808_send_cmd( F("AT+CMGR="));
itoa(messageIndex, num, 10);
sim808_send_cmd(num);
sim808_send_cmd(F("\r\n"));
// sprintf(cmd,"AT+CMGR=%d\r\n",messageIndex);
// sim808_send_cmd(cmd);
sim808_clean_buffer(gprsBuffer,sizeof(gprsBuffer));
sim808_read_buffer(gprsBuffer,sizeof(gprsBuffer),DEFAULT_TIMEOUT);
if(NULL != ( s = strstr(gprsBuffer,"+CMGR:"))){
if(NULL != ( s = strstr(s,"\r\n"))){
p = s + 2;
while((*p != '\r')&&(i < length-1)) {
message[i++] = *(p++);
}
message[i] = '\0';
return true;
}
}
return false;
}
bool DFRobot_SIM808::deleteSMS(int index)
{
//char cmd[16];
char num[4];
//sprintf(cmd,"AT+CMGD=%d\r\n",index);
sim808_send_cmd( F("AT+CMGD=") );
itoa(index, num, 10);
sim808_send_cmd(num);
//snprintf(cmd,sizeof(cmd),"AT+CMGD=%d\r\n",index);
//sim808_send_cmd(cmd);
//return 0;
// We have to wait OK response
//return sim808_check_with_cmd(cmd,"OK\r\n",CMD);
return sim808_check_with_cmd(F("\r"),"OK\r\n",CMD);
}
bool DFRobot_SIM808::callUp(char *number)
{
//char cmd[24];
if(!sim808_check_with_cmd( F("AT+COLP=1\r\n"),"OK\r\n",CMD)) {
return false;
}
delay(1000);
//HACERR quitar SPRINTF para ahorar memoria ???
//sprintf(cmd,"ATD%s;\r\n", number);
//sim808_send_cmd(cmd);
sim808_send_cmd( F("ATD") );
sim808_send_cmd(number);
sim808_send_cmd(F(";\r\n"));
return true;
}
void DFRobot_SIM808::answer(void)
{
sim808_send_cmd( F("ATA\r\n") ); //TO CHECK: ATA doesnt return "OK" ????
}
bool DFRobot_SIM808::hangup(void)
{
return sim808_check_with_cmd( F("ATH\r\n"),"OK\r\n",CMD);
}
bool DFRobot_SIM808::disableCLIPring(void)
{
return sim808_check_with_cmd( F("AT+CLIP=0\r\n"),"OK\r\n",CMD);
}
bool DFRobot_SIM808::getSubscriberNumber(char *number)
{
//AT+CNUM --> 7 + CR = 8
//+CNUM: "","+628157933874",145,7,4 --> CRLF + 45 + CRLF = 49
// -->
//OK --> CRLF + 2 + CRLF = 6
byte i = 0;
char gprsBuffer[65];
char *p,*s;
sim808_flush_serial();
sim808_send_cmd( F("AT+CNUM\r\n") );
sim808_clean_buffer(gprsBuffer,65);
sim808_read_buffer(gprsBuffer,65,DEFAULT_TIMEOUT);
//Serial.print(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"+CNUM:"))) {
s = strstr((char *)(s),",");
s = s + 2; //We are in the first phone number character
p = strstr((char *)(s),"\""); //p is last character """
if (NULL != s) {
i = 0;
while (s < p) {
number[i++] = *(s++);
}
number[i] = '\0';
}
return true;
}
return false;
}
bool DFRobot_SIM808::isCallActive(char *number)
{
char gprsBuffer[46]; //46 is enough to see +CPAS: and CLCC:
char *p, *s;
int i = 0;
sim808_send_cmd( F("AT+CPAS\r\n") );
/*Result code:
0: ready
2: unknown
3: ringing
4: call in progress
AT+CPAS --> 7 + 2 = 9 chars
--> 2 char
+CPAS: 3 --> 8 + 2 = 10 chars
--> 2 char
OK --> 2 + 2 = 4 chars
AT+CPAS
+CPAS: 0
OK
*/
sim808_clean_buffer(gprsBuffer,29);
sim808_read_buffer(gprsBuffer,27);
//HACERR cuando haga lo de esperar a OK no me har铆a falta esto
//We are going to flush serial data until OK is recieved
sim808_wait_for_resp("OK\r\n", CMD);
//Serial.print("Buffer isCallActive 1: ");Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"+CPAS:"))) {
s = s + 7;
if (*s != '0') {
//There is something "running" (but number 2 that is unknow)
if (*s != '2') {
//3 or 4, let's go to check for the number
sim808_send_cmd( F("AT+CLCC\r\n") );
/*
AT+CLCC --> 9
+CLCC: 1,1,4,0,0,"656783741",161,""
OK
Without ringing:
AT+CLCC
OK
*/
sim808_clean_buffer(gprsBuffer,46);
sim808_read_buffer(gprsBuffer,45);
//Serial.print("Buffer isCallActive 2: ");Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"+CLCC:"))) {
//There is at least one CALL ACTIVE, get number
s = strstr((char *)(s),"\"");
s = s + 1; //We are in the first phone number character
p = strstr((char *)(s),"\""); //p is last character """
if (NULL != s) {
i = 0;
while (s < p) {
number[i++] = *(s++);
}
number[i] = '\0';
}
//I need to read more buffer
//We are going to flush serial data until OK is recieved
return sim808_wait_for_resp("OK\r\n", CMD);
}
}
}
}
return false;
}
bool DFRobot_SIM808::getDateTime(char *buffer)
{
//If it doesn't work may be for two reasons:
// 1. Your carrier doesn't give that information
// 2. You have to configurate the SIM808 IC.
// - First with SIM808_Serial_Debug example try this AT command: AT+CLTS?
// - If response is 0, then it is disabled.
// - Enable it by: AT+CLTS=1
// - Now you have to save this config to EEPROM memory of SIM808 IC by: AT&W
// - Now, you have to power down and power up again the SIM808
// - Try now again: AT+CCLK?
// - It should work
//AT+CCLK? --> 8 + CR = 9
//+CCLK: "14/11/13,21:14:41+04" --> CRLF + 29+ CRLF = 33
//
//OK --> CRLF + 2 + CRLF = 6
byte i = 0;
char gprsBuffer[50];
char *p,*s;
sim808_flush_serial();
sim808_send_cmd( F("AT+CCLK?\r") );
sim808_clean_buffer(gprsBuffer,50);
sim808_read_buffer(gprsBuffer,50,DEFAULT_TIMEOUT);
if(NULL != ( s = strstr(gprsBuffer,"+CCLK:"))) {
s = strstr((char *)(s),"\"");
s = s + 1; //We are in the first phone number character
p = strstr((char *)(s),"\""); //p is last character """
if (NULL != s) {
i = 0;
while (s < p) {
buffer[i++] = *(s++);
}
buffer[i] = '\0';
}
return true;
}
return false;
}
bool DFRobot_SIM808::getSignalStrength(int *buffer)
{
//AT+CSQ --> 6 + CR = 10
//+CSQ: <rssi>,<ber> --> CRLF + 5 + CRLF = 9
//OK --> CRLF + 2 + CRLF = 6
byte i = 0;
char gprsBuffer[26];
char *p, *s;
char buffers[4];
sim808_flush_serial();
sim808_send_cmd( F("AT+CSQ\r") );
sim808_clean_buffer(gprsBuffer, 26);
sim808_read_buffer(gprsBuffer, 26, DEFAULT_TIMEOUT);
if (NULL != (s = strstr(gprsBuffer, "+CSQ:"))) {
s = strstr((char *)(s), " ");
s = s + 1; //We are in the first phone number character
p = strstr((char *)(s), ","); //p is last character """
if (NULL != s) {
i = 0;
while (s < p) {
buffers[i++] = *(s++);
}
buffers[i] = '\0';
}
*buffer = atoi(buffers);
return true;
}
return false;
}
bool DFRobot_SIM808::sendUSSDSynchronous(char *ussdCommand, char *resultcode, char *response)
{
//AT+CUSD=1,"{command}"
//OK
//
//+CUSD:1,"{response}",{int}
byte i = 0;
char gprsBuffer[200];
char *p,*s;
// nonsense, sizeof(response) is not the size of the buffer!
//sim808_clean_buffer(response, sizeof(response));
sim808_flush_serial();
sim808_send_cmd( F("AT+CUSD=1,\"") );
sim808_send_cmd(ussdCommand);
sim808_send_cmd(F("\"\r"));
delay(500); // I had beter results with this delay (caladeira)
if(!sim808_wait_for_resp("OK\r\n", CMD))
return false;
sim808_clean_buffer(gprsBuffer,200);
sim808_read_buffer(gprsBuffer,200,DEFAULT_TIMEOUT);
if(NULL != ( s = strstr(gprsBuffer,"+CUSD: "))) {
*resultcode = *(s+7);
resultcode[1] = '\0';
if(!('0' <= *resultcode && *resultcode <= '2'))
return false;
s = strstr(s,"\"");
s = s + 1; //We are in the first phone number character
p = strstr(s,"\""); //p is last character """
if (NULL != s) {
i = 0;
while (s < p) {
response[i++] = *(s++);
}
response[i] = '\0';
}
return true;
}
return false;
}
bool DFRobot_SIM808::cancelUSSDSession(void)
{
return sim808_check_with_cmd( F("AT+CUSD=2\r\n"),"OK\r\n",CMD);
}
//Here is where we ask for APN configuration, with F() so we can save MEMORY
bool DFRobot_SIM808::join(const __FlashStringHelper *apn, const __FlashStringHelper *userName, const __FlashStringHelper *passWord)
{
byte i;
char *p, *s;
char ipAddr[32];
//Select multiple connection
//sim808_check_with_cmd("AT+CIPMUX=1\r\n","OK",DEFAULT_TIMEOUT,CMD);
//set APN. OLD VERSION
//snprintf(cmd,sizeof(cmd),"AT+CSTT=\"%s\",\"%s\",\"%s\"\r\n",_apn,_userName,_passWord);
//sim808_check_with_cmd(cmd, "OK\r\n", DEFAULT_TIMEOUT,CMD);
sim808_send_cmd( F("AT+CSTT=\"") );
if (apn) {
sim808_send_cmd(apn);
}
sim808_send_cmd(F("\",\""));
if (userName) {
sim808_send_cmd(userName);
}
sim808_send_cmd(F("\",\""));
if (passWord) {
sim808_send_cmd(passWord);
}
sim808_check_with_cmd(F("\"\r\n"), "OK\r\n", CMD);
//Brings up wireless connection
sim808_check_with_cmd( F("AT+CIICR\r\n"),"OK\r\n", CMD);
//Get local IP address
sim808_send_cmd( F("AT+CIFSR\r\n") );
sim808_clean_buffer(ipAddr,32);
sim808_read_buffer(ipAddr,32);
//Response:
//AT+CIFSR\r\n --> 8 + 2
//\r\n --> 0 + 2
//10.160.57.120\r\n --> 15 + 2 (max) : TOTAL: 29
//Response error:
//AT+CIFSR\r\n
//\r\n
//ERROR\r\n
if (NULL != strstr(ipAddr,"ERROR")) {
return false;
}
s = ipAddr + 11;
p = strstr((char *)(s),"\r\n"); //p is last character \r\n
if (NULL != s) {
i = 0;
while (s < p) {
ip_string[i++] = *(s++);
}
ip_string[i] = '\0';
}
_ip = str_to_ip(ip_string);
if(_ip != 0) {
return true;
}
return false;
}
void DFRobot_SIM808::disconnect()
{
sim808_send_cmd( F("AT+CIPSHUT\r\n") );
}
bool DFRobot_SIM808::connect(Protocol ptl,const char * host, int port, int timeout, int chartimeout)
{
//char cmd[64];
char num[4];
char resp[96];
//sim808_clean_buffer(cmd,64);
if(ptl == TCP) {
sim808_send_cmd( F("AT+CIPSTART=\"TCP\",\"") );
sim808_send_cmd(host);
sim808_send_cmd(F("\","));
itoa(port, num, 10);
sim808_send_cmd(num);
sim808_send_cmd(F("\r\n"));
// sprintf(cmd, "AT+CIPSTART=\"TCP\",\"%s\",%d\r\n",host, port);
} else if(ptl == UDP) {
sim808_send_cmd( F("AT+CIPSTART=\"UDP\",\""));
sim808_send_cmd(host);
sim808_send_cmd(F("\","));
itoa(port, num, 10);
sim808_send_cmd(num);
sim808_send_cmd(F("\r\n"));
// sprintf(cmd, "AT+CIPSTART=\"UDP\",\"%s\",%d\r\n",host, port);
} else {
return false;
}
//sim808_send_cmd(cmd);
sim808_read_buffer(resp, 96, timeout, chartimeout);
//Serial.print("Connect resp: "); Serial.println(resp);
if(NULL != strstr(resp,"CONNECT")) { //ALREADY CONNECT or CONNECT OK
return true;
}
return false;
}
//Overload with F() macro to SAVE memory
bool DFRobot_SIM808::connect(Protocol ptl,const __FlashStringHelper *host, const __FlashStringHelper *port, int timeout, int chartimeout)
{
//char cmd[64];
char resp[96];
//sim808_clean_buffer(cmd,64);
if(ptl == TCP) {
sim808_send_cmd(F("AT+CIPSTART=\"TCP\",\"")); //%s\",%d\r\n",host, port);
} else if(ptl == UDP) {
sim808_send_cmd(F("AT+CIPSTART=\"UDP\",\"")); //%s\",%d\r\n",host, port);
} else {
return false;
}
sim808_send_cmd(host);
sim808_send_cmd(F("\","));
sim808_send_cmd(port);
sim808_send_cmd(F("\r\n"));
// Serial.print("Connect: "); Serial.println(cmd);
sim808_read_buffer(resp, 96, timeout, chartimeout);
// Serial.print("Connect resp: "); Serial.println(resp);
if(NULL != strstr(resp,"CONNECT")) { //ALREADY CONNECT or CONNECT OK
return true;
}
return false;
}
bool DFRobot_SIM808::is_connected(void)
{
char resp[96];
sim808_send_cmd( F("AT+CIPSTATUS\r\n") );
sim808_read_buffer(resp,sizeof(resp),DEFAULT_TIMEOUT);
if(NULL != strstr(resp,"CONNECTED")) {
//+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CONNECTED"
return true;
} else {
//+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CLOSED"
//+CIPSTATUS: 0,,"","","","INITIAL"
return false;
}
}
bool DFRobot_SIM808::close()
{
// if not connected, return
if (!is_connected()) {
return true;
}
return sim808_check_with_cmd( F("AT+CIPCLOSE\r\n"), "CLOSE OK\r\n", CMD);
}
int DFRobot_SIM808::readable(void)
{
return sim808_check_readable();
}
int DFRobot_SIM808::wait_readable(int wait_time)
{
return sim808_wait_readable(wait_time);
}
int DFRobot_SIM808::wait_writeable(int req_size)
{
return req_size+1;
}
int DFRobot_SIM808::send(const char * str, int len)
{
//char cmd[32];
char num[4];
if(len > 0){
//snprintf(cmd,sizeof(cmd),"AT+CIPSEND=%d\r\n",len);
//sprintf(cmd,"AT+CIPSEND=%d\r\n",len);
sim808_send_cmd( F("AT+CIPSEND=") );
itoa(len, num, 10);
sim808_send_cmd(num);
if(!sim808_check_with_cmd(F("\r\n"),">",CMD)) {
//if(!sim808_check_with_cmd(cmd,">",CMD)) {
return 0;
}
/*if(0 != sim808_check_with_cmd(str,"SEND OK\r\n", DEFAULT_TIMEOUT * 10 ,DATA)) {
return 0;
}*/
delay(500);
sim808_send_cmd(str);
delay(500);
sim808_send_End_Mark();
if(!sim808_wait_for_resp("SEND OK\r\n", DATA, DEFAULT_TIMEOUT * 10, DEFAULT_INTERCHAR_TIMEOUT * 10)) {
return 0;
}
}
return len;
}
int DFRobot_SIM808::recv(char* buf, int len)
{
sim808_clean_buffer(buf,len);
sim808_read_buffer(buf,len); //Ya he llamado a la funcion con la longitud del buffer - 1 y luego le estoy a帽adiendo el 0
return strlen(buf);
}
void DFRobot_SIM808::listen(void)
{
if(serialFlag)
; //hgprsSerial->listen();
else
gprsSerial->listen();
}
bool DFRobot_SIM808::isListening(void)
{
// if(serialFlag)
// return hgprsSerial.isListening();
// else
// return gprsSerial.isListening();
}
uint32_t DFRobot_SIM808::str_to_ip(const char* str)
{
uint32_t ip = 0;
char* p = (char*)str;
for(int i = 0; i < 4; i++) {
ip |= atoi(p);
p = strchr(p, '.');
if (p == NULL) {
break;
}
ip <<= 8;
p++;
}
return ip;
}
char* DFRobot_SIM808::getIPAddress()
{
//I have already a buffer with ip_string: snprintf(ip_string, sizeof(ip_string), "%d.%d.%d.%d", (_ip>>24)&0xff,(_ip>>16)&0xff,(_ip>>8)&0xff,_ip&0xff);
return ip_string;
}
unsigned long DFRobot_SIM808::getIPnumber()
{
return _ip;
}
/* NOT USED bool DFRobot_SIM808::gethostbyname(const char* host, uint32_t* ip)
{
uint32_t addr = str_to_ip(host);
char buf[17];
//snprintf(buf, sizeof(buf), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff);
if (strcmp(buf, host) == 0) {
*ip = addr;
return true;
}
return false;
}
*/
bool DFRobot_SIM808::getLocation(const __FlashStringHelper *apn, float *longitude, float *latitude)
{
int i = 0;
char gprsBuffer[80];
char buffer[20];
char *s;
//send AT+SAPBR=3,1,"Contype","DFRobot_SIM808"
sim808_check_with_cmd( F("AT+SAPBR=3,1,\"Contype\",\"DFRobot_SIM808\"\r"),"OK\r\n",CMD);
//sen AT+SAPBR=3,1,"APN","DFRobot_SIM808_APN"
sim808_send_cmd( F("AT+SAPBR=3,1,\"APN\",\"") );
if (apn) {
sim808_send_cmd(apn);
}
sim808_check_with_cmd(F("\"\r"),"OK\r\n",CMD);
//send AT+SAPBR =1,1
sim808_check_with_cmd( F("AT+SAPBR=1,1\r"),"OK\r\n",CMD);
//AT+CIPGSMLOC=1,1
sim808_flush_serial();
sim808_send_cmd( F("AT+CIPGSMLOC=1,1\r") );
sim808_clean_buffer(gprsBuffer,sizeof(gprsBuffer));
sim808_read_buffer(gprsBuffer,sizeof(gprsBuffer),2*DEFAULT_TIMEOUT,6*DEFAULT_INTERCHAR_TIMEOUT);
//Serial.println(gprsBuffer);
if(NULL != ( s = strstr(gprsBuffer,"+CIPGSMLOC:")))
{
s = strstr((char *)s, ",");
s = s+1;
//Serial.println(*s);
i=0;
while(*(++s) != ',')
buffer[i++]=*s;
buffer[i] = 0;