void onReturnDeviceInfo()
{
cmdMessenger.sendCmdStart(kRDeviceInfo);
cmdMessenger.sendCmdArg(APP_FW_VER);
cmdMessenger.sendCmdArg(EEPROM.readInt(64));
cmdMessenger.sendCmdEnd();
}
void onLedReturnFadeLimits()
{
cmdMessenger.sendCmdStart(kRLedFadeMinMax);
cmdMessenger.sendCmdArg(ledFadeTargetMin);
cmdMessenger.sendCmdArg(ledFadeTargetMax);
cmdMessenger.sendCmdEnd();
}
/**
* This method must be called regularily within the loop() function
*/
void deviceUpdate() {
// Blink the LED
if (device->ledPin > 0) {
if (blinkPattern && millis() > blinkMillis) {
digitalWrite(device->ledPin, digitalRead(device->ledPin) == HIGH ? LOW : HIGH);
++blinkIndex;
if (blinkPattern[blinkIndex] == 0) {
blinkIndex = 0;
}
blinkMillis = millis() + blinkPattern[blinkIndex];
}
}
// State machine
switch (state) {
case STATE_INIT:
// --------------------------------------------------------------------------------
// Initial state after powering up
DEBUG_PRINTLN_STATE(F("INIT"))
#ifdef AUTO_CONFIG
if (device->buttonPin > 0) {
if (digitalRead(device->buttonPin) == LOW) {
activateBlinkPattern(factoryResetBlinkPattern);
timeoutMillis = millis() + WAIT_FOR_FACTORYRESET_TIMEOUT;
state = STATE_FACTORY_RESET_CONFIRM;
break;
}
}
#endif
magic = EEPROM.readInt(EEPROM_MAGIC_ADDR);
if (magic != MAGIC_NUMBER) {
#ifdef AUTO_CONFIG
state = STATE_NEW_DEVICE;
#else
state = STATE_INIT;
#endif
break;
}
DEBUG_PRINTLN(F("Valid EEPROM Data"))
EEPROM.readBlock(EEPROM_DEVICE_UUID_ADDR, deviceUuid, DEVICE_UUID_LEN);
EEPROM.readBlock(EEPROM_DEVICE_NAME_ADDR, deviceName, DEVICE_NAME_MAX_LEN);
EEPROM.readBlock(EEPROM_SSID_ADDR, ssid, SSID_MAX_LEN);
EEPROM.readBlock(EEPROM_PHRASE_ADDR, phrase, PHRASE_MAX_LEN);
DEBUG_DUMP_CONFIG_VALUES()
state = STATE_CONNECT_WLAN;
break;
#ifdef AUTO_CONFIG
case STATE_FACTORY_RESET_CONFIRM:
// --------------------------------------------------------------------------------
// User must press the button WAIT_FOR_FACTORYRESET_TIMEOUT seconds
// before the factory reset is actually executed
DEBUG_PRINTLN_STATE(F("FACTORY_RESET_CONFIRM"))
if (device->buttonPin > 0) {
if (digitalRead(device->buttonPin) == HIGH) {
// Factory reset was cancelled
delay(10);
activateBlinkPattern(NULL);
state = STATE_INIT;
} else if (millis() > timeoutMillis) {
state = STATE_FACTORY_RESET;
}
}
break;
#endif
#ifdef AUTO_CONFIG
case STATE_FACTORY_RESET:
// --------------------------------------------------------------------------------
// Perform a factory reset
DEBUG_PRINTLN_STATE(F("FACTORY_RESET"))
for (int i = 0; i < EEPROM_SIZE; ++i) {
EEPROM.writeByte(i, 0xff);
}
activateBlinkPattern(NULL);
state = STATE_INIT;
break;
#endif
#ifdef AUTO_CONFIG
case STATE_NEW_DEVICE:
// --------------------------------------------------------------------------------
// Entered if this is a new device with no stored valid EEPROM data
DEBUG_PRINTLN_STATE(F("NEW_DEVICE"))
activateBlinkPattern(newDeviceBlinkPattern);
wifly.reset();
wifly.sendCommand("set u b " MAKE_STRING(WIFLY_BAUDRATE) "\r");
wifly.sendCommand("get m\r", "Mac Addr=");
wifly.receive((uint8_t *) mac, 17);
mac[17] = '\0';
DEBUG_PRINT(F("- MAC: "))
DEBUG_PRINTLN(mac)
DEBUG_PRINTLN(F("- Activate AP mode"))
wifly.sendCommand("set w j 7\r", "OK"); // Enable AP mode
wifly.sendCommand("set w c 6\r", "OK");
sprintf(buf, "set a s Caretaker-%c%c%c%c%c%c%c%c%c%c%c%c\r", mac[0], mac[1], mac[3], mac[4], mac[6], mac[7],
mac[9], mac[10], mac[12], mac[13], mac[15], mac[16]);
wifly.sendCommand(buf, "OK");
wifly.sendCommand("set a p 0347342d\r", "OK");
wifly.sendCommand("set i d 4\r", "OK"); // Enable DHCP server
wifly.sendCommand("set i a 192.168.0.1\r", "OK");
wifly.sendCommand("set i n 255.255.255.0\r", "OK");
wifly.sendCommand("set i g 192.168.0.1\r", "OK");
wifly.save();
wifly.reboot();
state = STATE_WAIT_FOR_DISCOVERY;
break;
#endif
#ifdef AUTO_CONFIG
case STATE_WAIT_FOR_DISCOVERY:
// --------------------------------------------------------------------------------
// Wait until the configuration app has opened a connection to this device
DEBUG_PRINTLN_STATE(F("WAIT_FOR_DISCOVERY"))
if (checkWiflyInput("*OPEN*")) {
activateBlinkPattern(discoveredBlinkPattern);
state = STATE_SEND_INFO;
}
break;
#endif
#ifdef AUTO_CONFIG
case STATE_SEND_INFO:
// --------------------------------------------------------------------------------
// Send information about this device to the configuration app
DEBUG_PRINTLN_STATE(F("SEND_INFO"))
wifly.println(); // Other side receives "*HELLO*\n"
wifly.println(mac);
wifly.println(device->type);
wifly.println(device->description);
state = STATE_WAIT_FOR_SEND_INFO_ACK;
break;
#endif
#ifdef AUTO_CONFIG
case STATE_WAIT_FOR_SEND_INFO_ACK:
// --------------------------------------------------------------------------------
// Wait for the receiving confirmation
DEBUG_PRINTLN_STATE(F("WAIT_FOR_SEND_INFO_ACK"))
if (checkWiflyInput("*CLOS*")) {
timeoutMillis = millis() + WAIT_FOR_CONFIG_TIMEOUT;
state = STATE_WAIT_FOR_CONFIG;
}
break;
#endif
#ifdef AUTO_CONFIG
case STATE_WAIT_FOR_CONFIG:
// --------------------------------------------------------------------------------
// Configuration app has WAIT_FOR_CONFIG_TIMEOUT seconds to send the configuration
DEBUG_PRINTLN_STATE(F("WAIT_FOR_CONFIG"))
if (checkWiflyInput("*OPEN*")) {
state = STATE_CONFIGURE_DEVICE;
} else if (millis() > timeoutMillis) {
state = STATE_CONFIG_TIMEOUT;
}
break;
#endif
#ifdef AUTO_CONFIG
case STATE_CONFIG_TIMEOUT:
// --------------------------------------------------------------------------------
// No configuration received, restart discovery process
DEBUG_PRINTLN_STATE(F("CONFIG_TIMEOUT"))
state = STATE_NEW_DEVICE;
break;
#endif
#ifdef AUTO_CONFIG
case STATE_CONFIGURE_DEVICE:
// --------------------------------------------------------------------------------
// Read and store the confifuration values
DEBUG_PRINTLN_STATE(F("CONFIGURE_DEVICE"))
wifly.println(); // Other side receives "*HELLO*\n"
if (!(wiflyReadline(deviceUuid, DEVICE_UUID_LEN))) {
state = STATE_CONFIG_TIMEOUT;
break;
}
if (!(wiflyReadline(deviceName, DEVICE_NAME_MAX_LEN))) {
state = STATE_CONFIG_TIMEOUT;
break;
}
if (!(wiflyReadline(ssid, SSID_MAX_LEN))) {
state = STATE_CONFIG_TIMEOUT;
break;
}
if (!(wiflyReadline(phrase, PHRASE_MAX_LEN))) {
state = STATE_CONFIG_TIMEOUT;
break;
}
while (!checkWiflyInput("*CLOS*")) {
}
DEBUG_DUMP_CONFIG_VALUES()
EEPROM.writeInt(EEPROM_MAGIC_ADDR, MAGIC_NUMBER);
EEPROM.writeBlock(EEPROM_DEVICE_UUID_ADDR, deviceUuid, DEVICE_UUID_LEN);
EEPROM.writeBlock(EEPROM_DEVICE_NAME_ADDR, deviceName, DEVICE_NAME_MAX_LEN);
EEPROM.writeBlock(EEPROM_SSID_ADDR, ssid, SSID_MAX_LEN);
EEPROM.writeBlock(EEPROM_PHRASE_ADDR, phrase, PHRASE_MAX_LEN);
activateBlinkPattern(NULL);
state = STATE_CONNECT_WLAN;
break;
#endif
case STATE_CONNECT_WLAN:
// --------------------------------------------------------------------------------
// Connect to the configured WLAN and start sending broadcast messages
DEBUG_PRINTLN_STATE(F("CONNECT_WLAN"))
wifly.reset();
wifly.sendCommand("set u b " MAKE_STRING(WIFLY_BAUDRATE) "\r");
wifly.sendCommand("set i h 0.0.0.0\r", "OK"); // UDP auto pairing
wifly.sendCommand("set i f 0x40\r", "OK"); // UDP auto pairing
wifly.sendCommand("set i d 1\r", "OK"); // DHCP client on
wifly.sendCommand("set i p 1\r", "OK"); // Use UDP
wifly.sendCommand("set b i 7\r", "OK"); // UDP broadcast interval 8 secs
#ifdef BROADCAST_PORT
wifly.sendCommand("set b p 44444\r", "OK"); // Set broadcast port to 44444 when debugging
#endif
wifly.sendCommand("set w a 4\r", "OK");
wifly.sendCommand("set w c 0\r", "OK");
wifly.sendCommand("set w j 1\r", "OK");
snprintf(buf, BUF_LEN, "set w s %s\r", ssid);
wifly.sendCommand(buf, "OK");
snprintf(buf, BUF_LEN, "set w p %s\r", phrase);
wifly.sendCommand(buf, "OK");
snprintf(buf, BUF_LEN, "set o d %s\r", deviceName);
wifly.sendCommand(buf, "OK");
wifly.save();
wifly.reboot();
state = STATE_WAIT_FOR_BROADCAST_RESPONSE;
break;
case STATE_WAIT_FOR_BROADCAST_RESPONSE:
// --------------------------------------------------------------------------------
// Wait until the broadcast receiver sends a broadcast response with the actual
// with server IP address
DEBUG_PRINTLN_STATE(F("WAIT_FOR_BROADCAST_RESPONSE"))
if (checkWiflyInput("*SERVER*\n")) {
if (wiflyReadline(serverAddress, SERVER_ADDRESS_LEN)) {
snprintf(buf, BUF_LEN, "- Broadcast response from server: %s", serverAddress);
DEBUG_PRINTLN(buf);
// Set the server IP address for UDP transmissions
// Disable UDP broadcast
snprintf(buf, BUF_LEN, "set i h %s\r", serverAddress);
wifly.sendCommand(buf, "OK");
wifly.sendCommand("set b i 0\r", "OK");
wifly.save();
wifly.dataMode();
state = STATE_REGISTER_WITH_SERVER;
}
}
break;
case STATE_REGISTER_WITH_SERVER:
// --------------------------------------------------------------------------------
// Send a registration request to the server, containing all device information:
DEBUG_PRINTLN_STATE(F("REGISTER_WITH_SERVER"))
messenger.sendCmdStart(MSG_REGISTER_REQUEST);
messenger.sendCmdArg(deviceUuid);
messenger.sendCmdArg(device->type);
messenger.sendCmdArg(deviceName);
messenger.sendCmdArg(device->description);
if (device->sendServerRegisterParams) {
(*device->sendServerRegisterParams)();
}
messenger.sendCmdEnd();
timeoutMillis = millis() + WAIT_FOR_REGISTRATION_TIMEOUT;
state = STATE_WAIT_FOR_REGISTER_WITH_SERVER_RESPONSE;
break;
case STATE_WAIT_FOR_REGISTER_WITH_SERVER_RESPONSE:
// --------------------------------------------------------------------------------
// Wait until the server responds to our registration request
DEBUG_PRINTLN_STATE(F("WAIT_FOR_REGISTER_WITH_SERVER_RESPONSE"))
if (millis() > timeoutMillis) {
state = STATE_REGISTER_WITH_SERVER;
} else {
messenger.feedinSerialData();
}
break;
case STATE_OPERATIONAL:
// --------------------------------------------------------------------------------
// Normal operational mode
DEBUG_PRINTLN_STATE(F("OPERATIONAL"))
if (millis() > nextPingMillis) {
messenger.sendCmd(MSG_PING);
nextPingMillis = millis() + PING_INTERVAL;
}
messenger.feedinSerialData();
break;
}
}