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GSM.cpp
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#include "GSM.h"
#include "URC.h"
/* GSM Class */
GSM::GSM(DTE &dte) {
this->dte = &dte;
selectedOperator = (struct Operator){0, 0, "", ""};
phonebookMemoryStorage = (struct PhonebookMemoryStorage){"", 0, 0};
networkRegistration = (struct NetworkRegistration){0, 4, "", ""};
signalQuality = (struct SignalQuality){0, 0};
clock = (struct Clock){"", 0, 0, 0, 0, 0, 0, 0};
subscriberNumber = (struct SubscriberNumber){"", "", 0, 0, 0};
batteryStatus = (struct BatteryStatus){false, 0, 0.0f};
}
bool GSM::atOperatorSelection(void) {
const __FlashStringHelper *command = F("AT+COPS?\r");
const __FlashStringHelper *response = F("+COPS: ");
struct Operator selectedOperator;
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, ",\"");
selectedOperator = this->selectedOperator;
for (unsigned char i = 0; i < 3 && str != NULL; i++) {
if (i == 0) selectedOperator.mode = str[0] - '0';
if (i == 1) selectedOperator.format = str[0] - '0';
if (i == 2) {
if (selectedOperator.format == 2)
strcpy(selectedOperator.operNumeric, str);
else
strcpy(selectedOperator.oper, str);
}
str = strtok(NULL, ",\"");
}
if (!dte->ATResponseOk()) return false;
this->selectedOperator = selectedOperator;
return true;
}
bool GSM::atOperatorSelection(unsigned char mode, unsigned char format, const char oper[]) {
char buffer[16 + strlen(oper)]; // "AT+COPS=X,X,\"{oper}\"\r"
if (mode == 0) {
const __FlashStringHelper *command = F("AT+COPS=%d\r");
sprintf_P(buffer, (const char *)command, mode);
} else if ((mode == 1 || mode == 4) && format < 3 && strlen(oper) > 0) {
const __FlashStringHelper *command = F("AT+COPS=%d,%d,\"%s\"\r");
sprintf_P(buffer, (const char *)command, mode, format, oper);
} else if (mode == 3 && format < 3) {
const __FlashStringHelper *command = F("AT+COPS=%d,%d\r");
sprintf_P(buffer, (const char *)command, mode, format);
} else
return false;
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atOperatorSelection(unsigned char mode, unsigned char format, const __FlashStringHelper *oper) {
char buffer[strlen_P((const char *)oper) + 1];
strcpy_P(buffer, (const char *)oper);
return atOperatorSelection(mode, format, buffer);
}
bool GSM::atSelectPhonebookMemoryStorage(void) {
const __FlashStringHelper *command = F("AT+CPBS?\r");
const __FlashStringHelper *response = F("+CPBS: ");
struct PhonebookMemoryStorage phonebookMemoryStorage;
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, ",\"");
for (unsigned char i = 0; i < 3 && str != NULL; i++) {
if (i == 0) strcpy(phonebookMemoryStorage.storage, str);
if (i == 1) phonebookMemoryStorage.used = atoi(str);
if (i == 2) phonebookMemoryStorage.total = atoi(str);
str = strtok(NULL, ",\"");
}
if (!dte->ATResponseOk()) return false;
this->phonebookMemoryStorage = phonebookMemoryStorage;
return true;
}
bool GSM::atSelectPhonebookMemoryStorage(const char storage[]) {
const __FlashStringHelper *command = F("AT+CPBS=\"%s\"\r");
char buffer[12 + strlen(storage)]; // "AT+CPBS=\"{storage}\"\r"
sprintf_P(buffer, (const char *)command, storage);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atWritePhonebookEntry(unsigned char index, const char phoneNumber[]) {
const __FlashStringHelper *command = F("AT+CPBW=%d,\"%s\"\r");
char buffer[12 + strlen(phoneNumber)];
sprintf_P(buffer, (const char *)command, index, phoneNumber);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atSelectPhonebookMemoryStorage(const __FlashStringHelper *storage) {
char buffer[strlen_P((const char *)storage) + 1];
strcpy_P(buffer, (const char *)storage);
return atSelectPhonebookMemoryStorage(buffer);
}
bool GSM::atEnterPIN(void) {
const __FlashStringHelper *command = F("AT+CPIN?\r");
const __FlashStringHelper *response = F("+CPIN: ");
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response, 1000)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, "\"");
if (!dte->ATResponseOk()) return false;
strcpy(pinStatus, str);
return true;
}
bool GSM::atNetworkRegistration(void) {
const __FlashStringHelper *command = F("AT+CGREG?\r");
const __FlashStringHelper *response = F("+CGREG: ");
struct NetworkRegistration networkRegistration;
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, ",\"");
for (unsigned char i = 0; i < 4 && str != NULL; i++) {
if (i == 0) networkRegistration.n = atoi(str);
if (i == 1) networkRegistration.status = atoi(str);
if (i == 2) strcpy(networkRegistration.lac, str);
if (i == 3) strcpy(networkRegistration.ci, str);
str = strtok(NULL, ",\"");
}
if (!dte->ATResponseOk()) return false;
this->networkRegistration = networkRegistration;
return true;
}
bool GSM::atNetworkRegistration(unsigned char n) {
const __FlashStringHelper *command = F("AT+CGREG=%d\r");
char buffer[12]; // "AT+CGREG=X\r"
sprintf_P(buffer, (const char *)command, n);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atSignalQualityReport(void) {
const __FlashStringHelper *command = F("AT+CSQ\r");
const __FlashStringHelper *response = F("+CSQ: ");
struct SignalQuality signalQuality;
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, ",");
for (unsigned char i = 0; i < 2 && str != NULL; i++) {
if (i == 0) signalQuality.rssi = atoi(str);
if (i == 1) signalQuality.ber = atoi(str);
str = strtok(NULL, ",");
}
if (!dte->ATResponseOk()) return false;
this->signalQuality = signalQuality;
return true;
}
bool GSM::atSubscriberNumber(void) {
const __FlashStringHelper *command = F("AT+CNUM\r");
const __FlashStringHelper *response = F("+CNUM:");
struct SubscriberNumber subscriberNumber;
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
while (true) {
if (!dte->ATResponse()) return false;
if (dte->isResponseOk()) return true;
if (dte->isResponseContain(response)) break;
dte->unsolicitedResultCode();
}
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, ",");
for (unsigned char i = 0; i < 5 && str != NULL; i++) {
if (i == 0) strcpy(subscriberNumber.characterSet, str);
if (i == 1) strcpy(subscriberNumber.number, str);
if (i == 2) subscriberNumber.type = atoi(str);
if (i == 3) subscriberNumber.speed = str[0] - '0';
if (i == 4) subscriberNumber.service = str[0] - '0';
str = strtok(NULL, ",");
}
strcpy(subscriberNumber.characterSet, strtok(subscriberNumber.characterSet, " \""));
strcpy(subscriberNumber.number, strtok(subscriberNumber.number, "\""));
if (!dte->ATResponseOk()) return false;
this->subscriberNumber = subscriberNumber;
return true;
}
bool GSM::atClock(void) {
const __FlashStringHelper *command = F("AT+CCLK?\r");
const __FlashStringHelper *response = F("+CCLK: ");
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, "\"");
if (!dte->ATResponseOk()) return false;
strcpy(clock.timestamp, str);
str = strtok(str, "/,:+");
for (unsigned char i = 0; i < 7 && str != NULL; i++) {
if (i == 0) clock.year = atoi(str);
if (i == 1) clock.month = atoi(str);
if (i == 2) clock.day = atoi(str);
if (i == 3) clock.hour = atoi(str);
if (i == 4) clock.minute = atoi(str);
if (i == 5) clock.second = atoi(str);
if (i == 6) clock.timezone = atoi(str) / 4;
str = strtok(NULL, "/,:+");
}
return true;
}
bool GSM::atClock(const char timestamp[]) {
const __FlashStringHelper *command = F("AT+CCLK=\"%s\"\r");
char buffer[12 + strlen(timestamp)]; // "AT+CCLK=\"{timestamp}\"\r"
sprintf_P(buffer, (const char *)command, timestamp);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atClock(const __FlashStringHelper *timestamp) {
char buffer[strlen_P((const char *)timestamp) + 1];
strcpy_P(buffer, (const char *)timestamp);
return atClock(buffer);
}
bool GSM::atBatteryCharge(void) {
const __FlashStringHelper *command = F("AT+CBC\r");
const __FlashStringHelper *response = F("+CBC: ");
struct BatteryStatus batteryStatus;
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, ",");
unsigned char i = 0;
for (i = 0; i < 3 && str != NULL; i++) {
if (i == 0) batteryStatus.charge = (str[0] == '1') ? true : false;
if (i == 1) batteryStatus.capacityLevel = atoi(str);
if (i == 2) batteryStatus.voltage = (float)atoi(str) * 0.001;
str = strtok(NULL, ",");
}
if (!dte->ATResponseOk()) return false;
this->batteryStatus = batteryStatus;
return true;
}
bool GSM::atUnstructuredSupplementaryServiceData(void) {
const __FlashStringHelper *command = F("AT+CUSD?\r");
const __FlashStringHelper *response = F("+CUSD: ");
dte->clearReceivedBuffer();
if (!dte->ATCommand(command)) return false;
if (!dte->ATResponseContain(response)) return false;
char *pointer = strstr_P(dte->getResponse(), (const char *)response) + strlen_P((const char *)response);
char *str = strtok(pointer, " ");
serviceData.n = atoi(str);
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atUnstructuredSupplementaryServiceData(unsigned char n) {
char buffer[11]; // "AT+CUSD=X\r"
const __FlashStringHelper *command = F("AT+CUSD=%d\r");
sprintf_P(buffer, (const char *)command, n);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atUnstructuredSupplementaryServiceData(unsigned char n, const char str[]) {
char buffer[14 + strlen(str)]; // "AT+CUSD=1,\"{str}\"\r"
const __FlashStringHelper *command = F("AT+CUSD=%d,\"%s\"\r");
sprintf_P(buffer, (const char *)command, n, str);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atUnstructuredSupplementaryServiceData(unsigned char n, const __FlashStringHelper *str) {
char buffer[strlen_P((const char *)str) + 1];
strcpy_P(buffer, (const char *)str);
return atUnstructuredSupplementaryServiceData(n, buffer);
}
bool GSM::atUnstructuredSupplementaryServiceData(unsigned char n, const char str[], unsigned char dcs) {
char buffer[17 + strlen(str)]; // "AT+CUSD=1,\"{str}\",XX\r"
const __FlashStringHelper *command = F("AT+CUSD=%d,\"%s\",%d\r");
sprintf_P(buffer, (const char *)command, n, str, dcs);
dte->clearReceivedBuffer();
if (!dte->ATCommand(buffer)) return false;
if (!dte->ATResponseOk()) return false;
return true;
}
bool GSM::atUnstructuredSupplementaryServiceData(unsigned char n, const __FlashStringHelper *str, unsigned char dcs) {
char buffer[strlen_P((const char *)str) + 1];
strcpy_P(buffer, (const char *)str);
return atUnstructuredSupplementaryServiceData(n, buffer, dcs);
}
struct Operator GSM::getOperator(unsigned char format) {
if (strlen(selectedOperator.operNumeric) == 0) {
if (getNetworkRegistration().status == 1 || getNetworkRegistration().status == 5) {
atOperatorSelection(3, 2);
atOperatorSelection();
}
}
if (format >= 2)
format = 0;
if (format < 2) {
if (selectedOperator.format != format || strlen(selectedOperator.oper) == 0) {
if (getNetworkRegistration().status == 1 || getNetworkRegistration().status == 5) {
atOperatorSelection(3, format);
atOperatorSelection();
}
}
}
return selectedOperator;
}
struct PhonebookMemoryStorage GSM::getPhonebookMemoryStrorage(void) {
if (getNetworkRegistration().status == 1 || getNetworkRegistration().status == 5)
atSelectPhonebookMemoryStorage();
return phonebookMemoryStorage;
}
const char *GSM::getPinStatus(void) {
atEnterPIN();
return pinStatus;
}
struct NetworkRegistration GSM::getNetworkRegistration(void) {
atNetworkRegistration();
return networkRegistration;
}
struct SignalQuality GSM::getSignalQuality(void) {
atSignalQualityReport();
return signalQuality;
}
struct Clock GSM::getClock(void) {
static unsigned long t = 0;
if (millis() - t > 500) {
if (strcmp(getPinStatus(), "READY") == 0) {
t = millis();
atClock();
}
}
return clock;
}
struct SubscriberNumber GSM::getSubscriberNumber(void) {
if (strlen(subscriberNumber.number) == 0)
if (getNetworkRegistration().status == 1 || getNetworkRegistration().status == 5)
atSubscriberNumber();
return subscriberNumber;
}
struct BatteryStatus GSM::getBatteryStatus(void) {
atBatteryCharge();
return batteryStatus;
}
bool GSM::sendServiceData(const char serviceNumber[]) {
if (!atUnstructuredSupplementaryServiceData(1, serviceNumber))
return false;
return true;
}
bool GSM::sendServiceData(const __FlashStringHelper *serviceNumber) {
char buffer[strlen_P((const char *)serviceNumber) + 1];
strcpy_P(buffer, (const char *)serviceNumber);
return sendServiceData(buffer);
}
void GSM::cancelServiceData(void) {
atUnstructuredSupplementaryServiceData(2);
}
bool GSM::setOwnNumber(const char ownNumber[]) {
if(!atSelectPhonebookMemoryStorage("ON")) return false;
if(!atWritePhonebookEntry(1, ownNumber)) return false;
return true;
}