Domotique/WifiControlSensor/EEPROM.ino
2016-04-07 02:02:51 +02:00

100 lines
2.8 KiB
C++

/* EEPROM LAYOUT
"BOOTMODE;SSID;PASSWORD;HOSTNAME;MQTT_SERVER;MQTT_USERNAME;MQTT_PASSWD;MQTT_PORT;IP_CONFIG;IP;GATEWAY;NETMASK;DNS1;DNS2;"
BOOTMODE could be 0 for Setup, 1 for normal use, 2 for OTA
IP_CONFIG could be 0 for DHCP, 1 for static
Setup mode is trigger by setting GPIO3 to ground or at first boot
*/
int EepromSaveConfig(uint8_t bootMode, String ssid, String password, String host,
String mqttServer, String mqttUser, String mqttPasswd,
int mqttPort, int ip_config, uint32_t ip, uint32_t gw,
uint32_t mask, uint32_t dns, uint32_t dns2) {
String eeprom;
eeprom = String(bootMode) + ";" + ssid + ";" + password + ";"
+ host + ";" + mqttServer + ";"
+ mqttUser + ";" + mqttPasswd + ";"
+ String(mqttPort) + ";"
+ String(ip_config) + ";"
+ ip + ";" + gw + ";" + mask + ";"
+ dns + ";" + dns2 + ";";
if (eeprom.length() > CONFIG_EEPROM_SIZE )
return -EMSGSIZE;
SKETCH_DEBUG_PRINTLN("Saving " + eeprom);
for (int i = 0; i < eeprom.length() && i < CONFIG_EEPROM_SIZE; i++) {
EEPROM.write(i, eeprom.charAt(i));
}
EEPROM.commit();
delay(100);
return 0;
}
int EepromSaveBootMode(uint8_t bootMode) {
EEPROM.write(0, String(bootMode).charAt(0));
EEPROM.commit();
delay(100);
return 0;
}
void readConfElement(char** element, int &i) {
*element = &eeprom[i];
do {
eeprom[i] = EEPROM.read(i);
i++;
} while (i < CONFIG_EEPROM_SIZE && eeprom[i - 1] != ';');
eeprom[i - 1] = '\0';
if (i >= CONFIG_EEPROM_SIZE)
**element = '\0';
}
void EepromReadConfig(uint8_t &bootMode, char **ssid, char **password, char **host,
char **mqttServer, char **mqttUser, char **mqttPasswd,
int &mqttPort, int &ip_config, uint32_t &ip, uint32_t &gw,
uint32_t &mask, uint32_t &dns, uint32_t &dns2) {
int i = 2;
uint8_t boot = EEPROM.read(0);
char *tmpString = "";
if (boot == '1') {
bootMode = BOOTMODE_NORMAL;
} else if (boot == '2') {
bootMode = BOOTMODE_OTA;
} else {
//Do not need to parse EEPROM when not configured
bootMode = BOOTMODE_SETUP;
return;
}
readConfElement(ssid, i);
readConfElement(password, i);
readConfElement(host, i);
readConfElement(mqttServer, i);
readConfElement(mqttUser, i);
readConfElement(mqttPasswd, i);
readConfElement(&tmpString, i);
mqttPort = atoi(tmpString);
readConfElement(&tmpString, i);
ip_config = atoi(tmpString);
readConfElement(&tmpString, i);
ip = atoi(tmpString);
readConfElement(&tmpString, i);
gw = atoi(tmpString);
readConfElement(&tmpString, i);
mask = atoi(tmpString);
readConfElement(&tmpString, i);
dns = atoi(tmpString);
readConfElement(&tmpString, i);
dns2 = atoi(tmpString);
}