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#include "BridgeBase.h"
#include <Arduino.h>
bool BridgeBase::isRunning() const {
return _initialized;
}
const char *BridgeBase::getLogDateTime() {
static char tmp[32];
uint32_t now = _rtc->getCurrentTime();
DateTime dt = DateTime(now);
sprintf(tmp, "%02d:%02d:%02d - %d/%d/%d U", dt.hour(), dt.minute(), dt.second(), dt.day(), dt.month(),
dt.year());
return tmp;
}
uint16_t BridgeBase::fletcher16(const uint8_t *data, size_t len) {
uint8_t sum1 = 0, sum2 = 0;
for (size_t i = 0; i < len; i++) {
sum1 = (sum1 + data[i]) % 255;
sum2 = (sum2 + sum1) % 255;
}
return (sum2 << 8) | sum1;
}
bool BridgeBase::validateChecksum(const uint8_t *data, size_t len, uint16_t received_checksum) {
uint16_t calculated_checksum = fletcher16(data, len);
return received_checksum == calculated_checksum;
}
void BridgeBase::handleReceivedPacket(mesh::Packet *packet) {
// Guard against uninitialized state
if (_initialized == false) {
BRIDGE_DEBUG_PRINTLN("RX packet received before initialization\n");
_mgr->free(packet);
return;
}
if (!_seen_packets.hasSeen(packet)) {
// bridge_delay provides a buffer to prevent immediate processing conflicts in the mesh network.
_mgr->queueInbound(packet, millis() + _prefs->bridge_delay);
} else {
_mgr->free(packet);
}
}
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