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Modem_BGxx.cpp
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Modem_BGxx.cpp
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/*
* Modem_BGxx.cpp
*
* Created on: Nov 14, 2018
* Author: jsilva
*/
#include <Modem_BGxx.h>
//extern LOGGING logging;
/*
call the next functions by the respective order
Modem_BGxx()
state_machine
check_data_received
*/
Modem_BGxx* modem = NULL;
struct Modem_state dev = {
false,
"", /* imei */
0, /* rssi */
"", /*radio*/
};
struct CID cid = {
/* id */ 1,
/* socket */ 0,
/* ip */ "",
};
struct st_machine st = {
/* previous_state */ MODEM_STATE_UNKNOW,
/* actual_state */ MODEM_STATE_SHUTDOWN,
/* event */ MODEM_EVENT_UNKNOW, // success changing state
/* timeout */ 0,
/* tries */ 0
};
int8_t mqtt_buffer[] = {-1,-1,-1,-1,-1}; // index of msg to read
MODEM *bgxx = NULL;
void (*parseMQTTmessage)(string);
uint8_t tries = 0;
uint8_t mqtt_tries = 0;
int8_t mqtt_client = 0;
uint32_t content_length = 0;
string md5 = "";
MD5_CTX mdctx;
Modem_BGxx::Modem_BGxx(uint8_t usart, uint16_t buadrate, int8_t gpio_reset) {
reset_hw(); // turn on
if(bgxx == NULL)
bgxx = new MODEM();
uint8_t i = 0;
while(i<MAX_CONNECTIONS){
buffer_len[i] = 0;
i++;
}
}
void Modem_BGxx::restart() {
bgxx->restart();
}
void Modem_BGxx::state_machine() {
if(state() == MODEM_STATE_SHUTDOWN){
return;
}
if(state() == MODEM_STATE_UNKNOW){
//set_rgb_colour(BLUE);
log(2,"Detecting modem..");
if(ready())
change_state(MODEM_STATE_SETUP); // call it only once // call it only once
else return;
}
if(state() == MODEM_STATE_SETUP){
// call it only once
if(!ready()) return;
if(!config()) return;
/*
// unsolicited code
if (bgxx->checkAtCommand("AT+CSCON=1", "OK",100))
log(2,"cscon disabled");
*/
/*
if (bgxx->checkAtCommand("AT+NPSMR=1", "OK",100))
log(2,"PSM report set");
*/
//power saving mode
#ifdef PSMMODE
setPSM(settings.modem.tau, settings.modem.awake);
#else
bgxx->checkAtCommand("AT+CPSMS=0", "OK",1000);
#endif
if (!bgxx->checkAtCommand("AT+CFUN=1", "OK", 3000)) return;
//getSimCardId();
getImei();
if(!bgxx->checkAtCommand("AT+CIMI", "OK", 3000))
logging.log("!! sim card not inserted","BGxx");
if(!setup()) return;
join();
change_state(MODEM_STATE_CONNECTING);
}
if(state() == MODEM_STATE_CONNECTING){
rssi();
getIP();
string rsp = bgxx->getAtCommandResponse("AT+QIACT?","+QIACT: 1,",300);
int8_t index = find(rsp,",");
if(index > -1){
rsp = rsp.substr(0,index);
if(has_only_digits(rsp)){
uint8_t state = (uint8_t)std::stoul(rsp);
if(state == 1){
change_state(MODEM_STATE_CONNECTED);
getIP();
log(3,"Modem has IP");
}
}
}
}
if(state() == MODEM_STATE_CONNECTED){
if(getTimestamp() < 1654700400)
sync_clock_ntp();
//log(3,"Modem connected");
//set_rgb_colour(GREEN);
//bgxx->checkAtCommand("AT","OK",2000);
bgxx->checkMessages();
}
if(state() == MODEM_STATE_PSM){
log(3,"Modem in PSM mode");
//log("Modem is sleeping");
bgxx->checkMessages();
}
sms_check();
check_signal();
return;
}
uint8_t Modem_BGxx::prev_state(){
return st.previous_state;
}
uint8_t Modem_BGxx::state(){
return st.actual_state;
}
bool Modem_BGxx::change_state(uint8_t state){
st.previous_state = st.actual_state;
st.actual_state = state;
return true;
}
bool Modem_BGxx::call_event(uint8_t event){
bool result = false;
//st.actual_state = st.prev_state;
if(event == MODEM_EVENT_CONNECT){
if(state() == MODEM_STATE_PSM){
return false;
//st.timeout = millis()+MAX_TIME_TO_CONNECT;
}else if(state() != MODEM_STATE_CONNECTED){
result = true;
change_state(MODEM_STATE_SETUP);
//st.timeout = millis()+MAX_TIME_TO_CONNECT;
}else log(2,"bgxx is allready connected");
}else if(event == MODEM_EVENT_SWITCH_OFF_RADIO){
switch_off_radio();
result = true;
}else if(event == MODEM_EVENT_DISCONNECT){
if(close(cid.socket)){
result = true;
change_state(MODEM_STATE_DISCONNECTED);
log(2,"bgxx is disconnected");
}
close_pdp_context();
}else if(event == MODEM_EVENT_SLEEP){
#ifndef PSMMODE
if(close(cid.socket)){
result = true;
//change_state(MODEM_STATE_PSM);
log(2,"bgxx socket was closed");
}
#endif
// close socket !!!
}else if(event == MODEM_EVENT_SHUTDOWN){
change_state(MODEM_STATE_SHUTDOWN);
log(3,"bgxx was switched off");
// close socket !!!
}
log_info();
return result;
}
/* return true if there is data available in the buffers
* index of the buffer and respective size is stored in the pointers
* passed as arguments
*/
bool Modem_BGxx::check_data_received(uint8_t *index, uint16_t* size){
uint8_t i = 0;
for(i = 0; i < MAX_CONNECTIONS; i++){
*index = i;
*size = 0;
if (buffer_len[i] > 0) {
*size = buffer_len[i];
#ifdef DEBUG_MODEM_MESSAGE
sprintf(logging.log_msg,"buffer with index: %d has %d bytes to be read",i,*size);
logging.log(logging.log_msg,"bc68");
#endif
return true;
}
}
return false;
}
/* cpy data from buffer with respective index to data pointer
* This function should be called with some frequency
*
* index -> sock to read
* data -> buffer to cpy data read
* size -> number of bytes to read
* return number of bytes read
*/
uint16_t Modem_BGxx::recv(uint8_t index, char* data, uint16_t size) {
if (buffer_len[index] == 0 || size > buffer_len[index]) return 0;
uint16_t i;
if (buffer_len[index] <= size) {
size = buffer_len[index];
for (i = 0; i < size; i++) {
data[i] = buffers[index][i];
}
// it should not happen
buffer_len[index] = 0;
return size;
}
for (i = 0; i < size; i++) {
data[i] = buffers[index][i];
}
for (i = size; i < buffer_len[index]; i++) {
buffers[index][i - size] = buffers[index][i];
}
buffer_len[index] -= size;
//buffer_pop();
return size;
}
// check if bgxx is ready
bool Modem_BGxx::ready() {
if(tries == 2){
restart();
}
if(tries > 2){
reset_hw();
tries = 0;
}else tries++;
HAL_Delay(200);
if (bgxx->checkAtCommand("AT", "OK", 1000)) {
log(1,"AT ok");
tries = 0;
return true;
}
log(2,"AT not ok");
return false;
}
/*
args:
t_tau in Minutes
t_active in Seconds with a maximum of 32 minutes
!! something is being badly calculated on tau parameter
*/
bool Modem_BGxx::setPSM(uint32_t t_tau, uint16_t t_active){
uint8_t value_active = 0, value_tau = 0;
uint8_t time = 0;
uint8_t scale = (uint8_t)(t_active / 60);
/*
sprintf(logging.log_msg,"scale: %d",scale);
logging.log(logging.log_msg,"bc68");
*/
if(scale == 0){
time = (uint8_t)(t_active % 60);
value_active = 0x00 | (time/2);
}else if(scale > 0 && scale < 32){
time = scale;
value_active = 0b00100000 | time;
}else return false;
/*
float a = (float)t_active;
sprintf(logging.log_msg,"t_active: %f",a);
logging.log(logging.log_msg,"bc68");
sprintf(logging.log_msg,"value_active: %f",remainder(a,30));
logging.log(logging.log_msg,"bc68");
sprintf(logging.log_msg,"value_active: %d",value_active);
logging.log(logging.log_msg,"bc68");
*/
scale = (uint8_t)(t_tau / 10);
if(scale < 6)
value_tau = 0x00 | scale;
scale = (uint8_t)(t_tau / 60);
if(scale > 0 && scale < 32)
value_tau = 0b00100000 | scale;
scale = (uint8_t)(t_tau / (60*30)); // if time > 30 hours
if(scale > 0 && scale < 32)
value_tau = 0b01000000 | scale;
scale = (uint8_t)(t_tau / (60*320)); // if time > 320 hours
if(scale > 0 && scale < 32)
value_tau = 0b11000000 | scale;
sprintf(logging.log_msg,"value_tau: %d",value_tau);
logging.log(logging.log_msg,"bc68");
/*
It will be 0 if tau lower than 10 minutes
if(value_tau == 0)
return false;
*/
string tau = "", active = "";
uint8_t i = 8;
while(i > 0){
if(value_active & 0x80)
active.append("1");
else active.append("0");
value_active = value_active << 1;
if(value_tau & 0x80)
tau.append("1");
else tau.append("0");
value_tau = value_tau << 1;
i--;
}
string s = "AT+CPSMS=1,,,\""+tau+"\",\""+active+"\"";
if(!bgxx->checkAtCommand(s.c_str(), "OK", 200))
return false;
//change_state(MODEM_STATE_PSM);
return true;
}
// reset bgxx
bool Modem_BGxx::reset() {
log(4,"reseting bgxx");
cid.socket = 0;
memset(cid.ip,0,sizeof(cid.ip));
//memcpy(cid.ip,"",15);
bgxx->sendAtCommand("AT+NRB");
dev.configured = false;
change_state(MODEM_STATE_UNKNOW);
return true;
}
// This function only switches off the radio
bool Modem_BGxx::switch_off_radio() {
cid.socket = 0;
memset(cid.ip,0,sizeof(cid.ip));
//memcpy(cid.ip,"",15);
if(bgxx->checkAtCommand("AT+CFUN=0", "OK", 3000))
return true;
return false;
}
// reset bgxx through hardware
bool Modem_BGxx::reset_hw() {
cid.socket = 0;
memset(cid.ip,0,sizeof(cid.ip));
//memcpy(cid.ip,"",15);
log(4,"reseting bgxx");
// Switch On/Off Modem
HAL_Delay(500);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, GPIO_PIN_RESET);
HAL_Delay(500);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, GPIO_PIN_SET);
HAL_Delay(2000);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8, GPIO_PIN_RESET);
HAL_Delay(4000);
dev.configured = false;
change_state(MODEM_STATE_UNKNOW);
return true;
}
// not working
// private function
string Modem_BGxx::getSimCardId(){
string response = "";
/*
response = bgxx->getAtCommandResponse("AT+NCCID","+NCCID:",1000);
log(3,"ccid: "+response);
*/
return response;
}
string Modem_BGxx::getImei(){
if(strcmp(dev.imei,"") != 0)
return "imei:"+string(dev.imei);
string response = "";
response = bgxx->getAtCommandResponse("AT+CGSN","",1000);
log(3,"imei: "+response);
memset(dev.imei,0,16);
memcpy(dev.imei,response.c_str(),15);
if(!has_only_digits(string(dev.imei)))
return "";
return "imei:"+string(dev.imei);
}
bool Modem_BGxx::sync_clock_ntp(){
string response = bgxx->getAtCommandResponseNoOK("AT+QNTP=1,\"pool.ntp.org\",123","+QNTP: ", 15000);
return response.length() > 0;
}
// format: 19/03/08,11:50:25+00
bool Modem_BGxx::getTimeZone(tm* curr_time){
string response = "";
string aux = "";
response = bgxx->getAtCommandResponse("AT+CCLK?","+CCLK:",1000);
response.erase(std::remove(response.begin(), response.end(), '\"'), response.end());
response.erase(std::remove(response.begin(), response.end(), ' '), response.end());
/*
[modem] << +CCLK:19/10/01,18:09:11+04OK
[tasks]: timestamp 1543687751
*/
int index = find(response,"/");
if(index > 0){
aux = response.substr(0,index);
if(!has_only_digits(aux))
return false;
int year = stoi(aux,nullptr,10);
if(year > 79)
return false;
curr_time->tm_year = year;
response = response.substr(index+1,response.length());
index = find(response,"/");
aux = response.substr(0,index);
if(!has_only_digits(aux))
return false;
curr_time->tm_mon = stoi(aux,nullptr,10);
response = response.substr(index+1,response.length());
index = find(response,",");
aux = response.substr(0,index);
if(!has_only_digits(aux))
return false;
curr_time->tm_mday = stoi(aux,nullptr,10);
response = response.substr(index+1,response.length());
index = find(response,":");
aux = response.substr(0,index);
if(!has_only_digits(aux))
return false;
curr_time->tm_hour = stoi(aux,nullptr,10);
response = response.substr(index+1,response.length());
index = find(response,":");
aux = response.substr(0,index);
if(!has_only_digits(aux))
return false;
curr_time->tm_min = stoi(aux,nullptr,10);
response = response.substr(index+1,response.length());
index = find(response,"+");
aux = response.substr(0,index);
if(!has_only_digits(aux))
return false;
curr_time->tm_sec = stoi(aux,nullptr,10);
}else return false;
return true;
}
// not available for this modem
bool Modem_BGxx::disableAllPeripherals(){
return true;
}
// disable echo, get imei and config sim card
bool Modem_BGxx::config() {
uint8_t flag_reset = false;
if(!bgxx->checkAtCommand("AT","OK",3000)) return false;
if(dev.configured)
return true;
bgxx->checkAtCommand("AT&F", "OK", 1000);
bgxx->checkAtCommand("ATE0", "OK",1000); //disable echo
getVersion();
dev.configured = true;
//bgxx->checkAtCommand("AT+QREGSWT=2", "OK",1000); //disable automatic registration
if(flag_reset){
log(4,"Resetting bgxx");
reset();
HAL_Delay(2000);
return false;
}
return true;
}
bool Modem_BGxx::setup() {
string response = "";
string s = "";
string pdp_type = "IP";
// SET APN
HAL_Delay(1000);
//Set SMS message format as text mode
if (!bgxx->checkAtCommand("AT+CMGF=1", "OK", 1000)) return false;
// Set character set as GSM which is used by the TE
//if (!bgxx->checkAtCommand("AT+CSCS=\"GSM\"", "OK", 1000)) return false;
if (!bgxx->checkAtCommand("AT+CSCS=\"IRA\"", "OK", 1000)) return false;
bgxx->checkAtCommand("AT+CEREG?", "OK", 2000);
// Enable GPS
//bgxx->checkAtCommand("AT+QGPS=1", "OK", 400);
bgxx->getAtCommandResponse("AT+COPS?", 300);
if(settings.modem.radio == GPRS){
s = "AT+QICSGP="+to_string(cid.id)+",1,\"" + settings.gprs.apn + "\",\"" + settings.gprs.user + "\",\"" + settings.gprs.pwd + "\"";
bgxx->checkAtCommand(s.c_str(), "OK", 500); // replacing CGDCONT
/*
s = "AT+QCFG=\"nwscanmode\",1,1";
if(!bgxx->checkAtCommand(s.c_str(), "OK",100)) return false;
*/
s = "AT+COPS=4,2,\""+to_string(settings.gprs.cops)+"\","+to_string(0);
}else if(settings.modem.radio == NB){
s = "AT+QICSGP="+to_string(cid.id)+",1,\"" + settings.nb.apn + "\",\"" + settings.nb.user + "\",\"" + settings.nb.pwd + "\"";
bgxx->checkAtCommand(s.c_str(), "OK", 500); // replacing CGDCONT
/*
s = "AT+QCFG=\"iotopmode\",1,1";
if(!bgxx->checkAtCommand(s.c_str(), "OK",100)) return false;
s = "AT+QCFG=\"nwscanmode\",3,1";
if(!bgxx->checkAtCommand(s.c_str(), "OK",100)) return false;
*/
s = "AT+COPS=4,2,\""+to_string(settings.nb.cops)+"\","+to_string(9);
}else{
s = "AT+QICSGP="+to_string(cid.id)+",1,\"" + settings.gprs.apn + "\",\"" + settings.gprs.user + "\",\"" + settings.gprs.pwd + "\"";
bgxx->checkAtCommand(s.c_str(), "OK", 500); // replacing CGDCONT
s = "AT+COPS=4,2,\""+to_string(settings.gprs.cops)+"\"";
}
if (!bgxx->checkAtCommand(s.c_str(), "OK",15000)){
logging.log("!! No network found, check antenna or sim card activation","BGxx");
/*
if(ready())
sms_send("910324016","I am looking for network");
*/
//return false;
}
//26806 -> pt
bgxx->getAtCommandResponse("AT+COPS?", 300);
log(3,"cops set");
//dev.is_ready = true;
return true;
}
// not needed
bool Modem_BGxx::join() {
// ATTACH
/*
//if(bgxx->getAtCommandResponse("AT+CGATT?","+CGATT:",1000)!="1") return false; // correct it
//if (!bgxx->checkAtCommand("AT+CGATT=1", "OK", 10000)) return false;
cid.id = c_id;
//string s = "AT+CGACT=1,"+to_string(cid.id);
*/
close_pdp_context();
string s = "AT+QIACT=1";//,"+to_string(cid.id);
if (!bgxx->checkAtCommand(s.c_str(), "OK", 5000)) return false;
// check state, if not connected enable cereg ??
//HAL_Delay(3000);
bgxx->checkAtCommand("AT+CSQ", "OK", 2000);
bgxx->checkAtCommand("AT+CEREG?", "OK", 2000);
//bgxx->checkAtCommand("AT+CSCON?",",1",2000);
return true;
}
// check if response matches one of the predifined responses
// a flag should be launched in this case
bool Modem_BGxx::parseResponse(string response){
if(response.size() == 0)
return false;
if(DEBUG_COMMANDS <= VERBOSE_DEBUG_LEVEL)
logging.println("command","<< ",response);
// unsolicited responses
if(find(response,"+CEREG") > -1){
if(find(response,":1") > -1)
log(3,"what it means?");
else if(find(response,",:2") > -1)
log(3,"attaching");
else if(find(response,":5") > -1)
log(3,"device is connected");
}
else if(find(response,"+CSCON") > -1){
if(find(response,",1") > -1)
log(3,"attached");
else if(find(response,",0") > -1){
log(3,"dettached");
log(3,"time started..");
}
}
else if(find(response,"+NPING") > -1)
log(3,"\n NPING RECEIVED -> Ping");
/*
else if(find(response,"+NSONMI") > -1){
log(3,"\n NSONMI RECEIVED -> Data available on socket\n");
uint16_t socket = 0;
string socket_s = "";
uint16_t len = 0;
string len_s = "";
// parse verified
response = response.substr(find(response,"+NSONMI:")+8);
log(2,response);
if((find(response,",")) > -1){
socket_s = (response.substr(0,find(response,","))); //.toInt();
socket = stoi(socket_s,nullptr,10);
len_s = (response.substr(find(response,",")+1)); //.toInt();
if(len_s.size() > 0)
len = stoi(len_s,nullptr,10);
if(len == 0)
len = 255;
}
//while(len > 0) len =
read_udp_socket(socket, len); // store on buffers
}
else if(find(response,"+NPSMR:1") > -1){
log(3,"\n NPSMR RECEIVED -> Modem is now sleeping\n");
change_state(MODEM_STATE_PSM);
}
else if(find(response,"+NNMI") >-1)
log(3,"\n NNMI RECEIVED -> New message indicator");
else if(find(response,"+NSMI") >-1)
log(3,"\n NSMI RECEIVED -> Sent message indicator");
*/
else if(find(response,"+QIURC") >-1){
if(find(response,"\"pdpdeact\",") >-1){
response = response.substr(find(response,"\"pdpdeact\",")+11);
log(3,"\n Context disabled");
if(response.size() > 0){
if(isdigit(response.c_str()[0])){
change_state(MODEM_STATE_DISCONNECTED);
}
}
}
}
else if(find(response,"+QCSQ: \"NOSERVICE\"") > -1){
log(3,"\n No service available");
change_state(MODEM_STATE_DISCONNECTED);
}
else if(find(response,"+QMTSTAT") > -1){
if(find(response,",1") >-1){
mqtt_connected = false;
log(3,"\n MQTT closed");
//disable_pdp();
//call_event(MODEM_EVENT_CONNECT);
}
}
else{
string filter = "+QMTRECV: "+to_string(cid.id)+",";
int index = find(response,filter);
if(index > -1){ // filter found
string aux = response.substr(filter.size());
if(find(aux,",") > -1) // has payload
parseMQTTmessage(response.substr(index+filter.size()-2));
else{ // URC unsolicitated
aux = aux.substr(0,1);
if(has_only_digits(aux)){
uint8_t channel = (uint8_t)stoi(aux);
logging.println("QMTRECV","channel: ",channel);
if(channel < 5)
mqtt_buffer[channel] = 0; // I do not know the length of the payload that will be read
}
}
}
}
return true;
}
void Modem_BGxx::sms_delete_msgs() {
/*
uint8_t i = 0;
while(i<counter)
sms_remove(sms[i++].index);
*/
if(counter != 0)
bgxx->checkAtCommand("AT+CMGD=1,4", "OK", 1000); // delete all messages
tail = 0;
counter = 0;
}
SMS* Modem_BGxx::sms_get_next_msg() {
return &sms[tail++];
}
bool Modem_BGxx::sms_has_msg() {
if(tail != counter)
return true;
else return false;
}
void Modem_BGxx::sms_check() {
int16_t index = 0;
string msg_id="",state="",sender="",nd="",time="",msg="";
bool new_message = false;
//send_command("AT+CMGL=\"ALL\"");
string res = bgxx->getAtCommandResponseSMS("AT+CMGL=\"ALL\"","+CMGL: ",500);
//string res = bgxx->getAtCommandResponse("AT+CMGL=\"REC READ\"","+CMGL: ",500);
//string res = bgxx->getAtCommandResponseNoOK("AT+CMGL=\"REC UNREAD\"","+CMGL: ",500); // datasheet says max response time is 300ms
if(res.size() > 0)
logging.println("sms","rcv: ",res);
do{
if(counter == MAX_SMS){
log(4,"msg queue is full");
break;
}
index = find(res,",");
if(index == -1) return;
msg_id = res.substr(0,index);
logging.println("sms","msg_id: ",msg_id);
if(!has_only_digits(msg_id))
break;
sms[counter].index = stoi(msg_id);
res = res.substr(index+1);
index = find(res,",");
if(index == -1) return;
state = res.substr(0,index);
logging.println("sms","state: ",state);
res = res.substr(index+1);
index = find(res,",");
if(index == -1) return;
sender = res.substr(0,index);
logging.println("sms","sender: ",sender);
memset(sms[counter].origin,0,20);
memcpy(sms[counter].origin,sender.c_str(),sender.size());
memset(last_origin,0,20);
memcpy(last_origin,sender.c_str(),sender.size());
res = res.substr(index+1);
index = find(res,",");
if(index == -1) return;
nd = res.substr(0,index);
logging.println("sms","nd: ",nd);
res = res.substr(index+1);
index = find(res,"\n");
if(index == -1) return;
time = res.substr(0,index);
logging.println("sms","time: ",time);
res = res.substr(index+1);
index = find(res,"+CMGL: ");
if(index != -1){
new_message = true;
msg = res.substr(0,index);
res = res.substr(index+7);
}else{
new_message = false;
msg = res;
}
memset(sms[counter].msg,0,256);
memcpy(sms[counter].msg,msg.c_str(),msg.size());
logging.println("sms","msg: ",msg);
sms_remove(sms[counter].index);
counter++;
}while(new_message);
//sms_remove_all();
return;
}
bool Modem_BGxx::sms_send(string origin, string msg){
string command = "AT+CMGS=\"" + origin + "\"";
//if (!bgxx->checkAtCommand(command.c_str(), ">", 1000)) return false;
bgxx->checkAtCommand(command.c_str(), ">", 3000);
command = msg + "\x1A";
if (!bgxx->checkAtCommand(command.c_str(), "OK", 7000)) return false;
log(3,"sms sent");
return true;
}
bool Modem_BGxx::sms_remove_all(){
log(3,"removing all sms");
string command = "AT+CMGD=1,4";
if (!bgxx->checkAtCommand(command.c_str(), "OK", 1000)) return false;
log(3,"all sms removed");
return true;
}
bool Modem_BGxx::sms_remove(uint8_t index){
logging.println("bgxx","removing sms: ",(int)index);
string command = "AT+CMGD=" + to_string(index);
if (!bgxx->checkAtCommand(command.c_str(), "OK", 1000)) return false;
log(3,"sms removed");
return true;
}
/*
// This function opens a socket and returns the respective socket id
bool Modem_BGxx::openSocket(uint8_t *socket, uint16_t port, uint16_t timeout) {
HAL_Delay(1000);
string rsp = "";
// the socket is returned before OK
#ifdef BC68
//close(port);
string s = "AT+NSOCR=DGRAM,17,"+to_string(port)+",1";
rsp = bgxx->getAtCommandResponse(s.c_str(),timeout);
if(rsp.size() > 0){
rsp = rsp.substr(0,1);
if(rsp[0] < 0x30 || rsp[0] > 0x39)
return false;
*socket = (uint8_t)stoi(rsp,nullptr,10);
#ifdef (DEBUG_COMMANDS <= INFO_DEBUG_LEVEL)
logging.println("modem","val: ",(int)*socket);
#endif
buffer_len[*socket] = 0;
connected_state[*socket] = true;
//connected_until[*socket] = 0;
return true;
}
#endif
return false;
}
*/
/*
// This function opens an identified socket with the indicated port to receive data
bool Modem_BGxx::openSocket(uint8_t socket, uint16_t port, uint16_t timeout) {
if (socket >= MAX_CONNECTIONS) return false;
// the socket is returned before OK
#ifdef SARAN2
if (bgxx->checkAtCommand("AT+NSOCR=\"DGRAM\",17,"+string(port)+",1", "OK", timeout)) {
buffer_len[socket] = 0;
connected_state[socket] = true;
connected_until[socket] = 0;
return true;
}
#endif
return false;
}
*/
// --- SOCKET ---
bool Modem_BGxx::open(uint8_t context_id, uint8_t connect_id, string protocol, string host, uint16_t port) {
string s = "AT+QIOPEN="+to_string(context_id)+","+to_string(connect_id)+",\""+protocol+"\",\""+host+"\","+to_string(port);
string filter = "+QIOPEN: "+to_string(connect_id)+",";
string response = bgxx->getAtCommandResponseNoOK(s.c_str(),filter.c_str(), 6000);
logging.println("BGxx","rsp: ",response);
if(find(response,"0") > -1)
return true;
else return false;
}