74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/* EEPROM LAYOUT
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"BOOTMODE;SSID;PASSWORD;HOSTNAME;MQTT_SERVER;MQTT_USERNAME;MQTT_PASSWD;MQTT_PORT;"
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BOOTMODE could be 0 for Setup, 1 for normal use, 2 for OTA
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Setup mode is trigger by setting GPIO3 to ground or at first boot
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*/
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int EepromSaveConfig(uint8_t bootMode, String ssid, String password, String host, String mqttServer, String mqttUser, String mqttPasswd, int mqttPort) {
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String eeprom;
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eeprom = String(bootMode) + ";" + ssid + ";" + password + ";" + host + ";" + mqttServer + ";" + mqttUser + ";" + mqttPasswd + ";" + String(mqttPort) + ";";
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if (eeprom.length() > EEPROM_SIZE )
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return -EMSGSIZE;
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Serial.println("Saving " + eeprom);
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for (int i = 0; i < eeprom.length() && i < EEPROM_SIZE; i++) {
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EEPROM.write(i, eeprom.charAt(i));
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}
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EEPROM.commit();
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delay(100);
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return 0;
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}
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int EepromSaveBootMode(uint8_t bootMode) {
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EEPROM.write(0, String(bootMode).charAt(0));
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EEPROM.commit();
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delay(100);
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return 0;
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}
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void readConfElement(char** element, int &i) {
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*element = &eeprom[i];
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do {
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eeprom[i] = EEPROM.read(i);
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i++;
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} while (i < EEPROM_SIZE && eeprom[i - 1] != ';');
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eeprom[i - 1] = '\0';
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if (i >= EEPROM_SIZE)
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**element = '\0';
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}
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void EepromReadConfig(uint8_t &bootMode, char **ssid, char **password, char **host, char **mqttServer, char **mqttUser, char **mqttPasswd, int &mqttPort) {
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int i = 2;
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uint8_t boot = EEPROM.read(0);
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char *mqttPortString = "";
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if (boot == '1') {
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bootMode = BOOTMODE_NORMAL;
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} else if (boot == '2') {
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bootMode = BOOTMODE_OTA;
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} else {
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//Do not need to parse EEPROM when not configured
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bootMode = BOOTMODE_SETUP;
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return;
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}
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readConfElement(ssid, i);
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readConfElement(password, i);
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readConfElement(host, i);
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readConfElement(mqttServer, i);
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readConfElement(mqttUser, i);
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readConfElement(mqttPasswd, i);
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readConfElement(&mqttPortString, i);
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mqttPort = atoi(mqttPortString);
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}
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