76 lines
1.6 KiB
Arduino
76 lines
1.6 KiB
Arduino
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/* EEPROM LAYOUT
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"BOOTMODE;SSID;PASSWORD;HOSTNAME;"
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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 saveConfig(int bootMode, String ssid, String password, String host ) {
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String eeprom;
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eeprom = String(bootMode) + ";" + ssid + ";" + password + ";" + host + ";";
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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 saveBootMode(int 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 readEEPROM(int &bootMode, char **ssid, char **password, char **host) {
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int i = 2;
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int boot = EEPROM.read(0);
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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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//Read SSID
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*ssid = &eeprom[2];
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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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//Read password
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*password = &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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//Read HostName
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*host = &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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}
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