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CubeCellRepeater
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CubeCellRepeater/src/main.cpp

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#include <main.h>
void setup() {
msgID.clear();
txQueue.clear();
NodeDB.clear();
#ifndef SILENT
Serial.begin(115200);
#endif
MSG("[INF][CryptoEngine]Initializing ... ");
memcpy(psk.bytes, mypsk, sizeof(mypsk));
psk.length = sizeof(psk.bytes);
crypto->setKey(psk);
initRegion(); // create regions[] and load myRegion
applyModemConfig(); // apply lora settings
radio.setDio1Action(ISR_dio1Action);
MSG("[INF][SX1262]Starting to listen ...\n\r");
startReceive();
}
void loop() {
if (dio1) {
dio1 = false;
static uint16_t irqStatus = radio.getIrqStatus();
if (irqStatus & RADIOLIB_SX126X_IRQ_RX_DONE) {
PacketReceived = true;
}
if (irqStatus & RADIOLIB_SX126X_IRQ_TX_DONE) {
p = NULL;
PacketSent = false;
startReceive();
}
}
if (PacketReceived) {
PacketReceived = false;
Packet_t pck;
pck.packetTime = millis();
pck.size = radio.getPacketLength();
if (pck.size == 0) {
MSG("[ERR]Received packet length = 0!\n\r");
return; // we are still in receive mode
}
err = radio.readData(pck.buf, pck.size);
PacketHeader* h = (PacketHeader *)pck.buf;
snr = radio.getSNR();
if (err == RADIOLIB_ERR_NONE) {
const int32_t payloadLen = pck.size - sizeof(PacketHeader);
if (payloadLen < 0) {
MSG("[WARN]Not a Meshtastic packet, too short!\n\r");
return; // will not repeat, continue receiving
}
const uint8_t hop_limit = h->flags & PACKET_FLAGS_HOP_MASK;
MSG("[NEW](id=0x%08X) (HopLim %d) ", h->id, hop_limit);
repeatPacket = msgID.add(h->id);
// print new packets only not repeated due to HopLim 0
if ((repeatPacket) && (hop_limit==0)) {
MSG("\n\r");
#ifndef SILENT
perhapsDecode(&pck);
MSG("\n\r");
#endif
}
if (hop_limit == 0) repeatPacket = false;
// do not repeat if id is known or hop limit is zero
if ( !repeatPacket ){
MSG(" !!! no repeat !!!\n\r");
}
else {
h->flags -= 1; // decrease hop limit by 1
txQueue.add(&pck);
}
} else if (err == RADIOLIB_ERR_CRC_MISMATCH) {
MSG(" [ERROR]CRC error!\n\r");
} else {
MSG(" [ERROR]Receive failed, code: %i!\n\r", err);
}
}
if ( (txQueue.Count > 0) || !(p==NULL) ) {
uint32_t now = millis();
// we have packets in queue and currently no packet to transmit
if (p == NULL) {
if ( txQueue.pop() ) {
p = &PacketToSend;
}
}
// resume receiving in case we popped an empty packet
if (p == NULL) {
PacketSent = true;
return;
}
if (p->size > 0) { // size == 0 means "deleted", we don't send deleted packets
uint32_t wait = getTxDelayMsecWeighted(snr);
MSG("[INF]wait %i ms before TX\n\r", wait);
activeReceiveStart = 0;
while ( ((now + wait) > millis() ) || ( isActivelyReceiving() ) ) {
// while waiting, we still are in receive mode
if (dio1) {
MSG("[INF]New packet, no TX\n\r");
return; // new packet arrived, return to handle it
}
delay(5);
}
// drop packet if we could not send it in 1 minute
if ( (p->packetTime + 60*1000) < millis() ) {
p = NULL;
PacketSent = true;
MSG("[INF] TX aborted, could not send packet in 1 minute\n\r");
return;
}
if (perhapsSend(p) ) {
// packet successfully sent
// try to decode the packet and print it
#ifndef SILENT
perhapsDecode(p);
MSG("\n\r");
#endif
PacketSent = true;
p = NULL;
} else {
// resume receiving if we could not send
PacketSent = true;
}
} else {
MSG("[ERR]Tried to send empty package! TxQueue count=%i\n\r", txQueue.Count);
PacketSent = true;
}
}
if (PacketSent) {
PacketSent = false;
startReceive();
}
if (txQueue.Count == 0) {
#ifndef SILENT
// wait for serial output to conplete
delay(10);
#endif
MCU_deepsleep(); // sleep until IRQ
}
}
void MCU_deepsleep(void) {
#ifdef CUBECELL
#ifndef SILENT
UART_1_Sleep; // aka USB, if you use UART2 for communication, add UART_2_Sleep / Wakeup
#endif
pinMode(P4_1, ANALOG); // SPI0 MISO, save power
CySysPmDeepSleep();
// after sleep, set global time counter, set MISO to input, reactivate UART :
systime = (uint32_t)RtcGetTimerValue();
pinMode(P4_1, INPUT);
#ifndef SILENT
UART_1_Wakeup;
#endif
#endif //CUBECELL
}
void startReceive(){
// clear irq status, standby()
radio.finishTransmit();
dio1 = false;
err = radio.startReceiveDutyCycleAuto(preambleLength, 8,
RADIOLIB_SX126X_IRQ_RX_DEFAULT | RADIOLIB_SX126X_IRQ_PREAMBLE_DETECTED | RADIOLIB_SX126X_IRQ_HEADER_VALID);
if (err != RADIOLIB_ERR_NONE) MSG("[ERROR]Radiolib error %d when attempting SX126X startReceiveDutyCycleAuto!\n\r", err);
assert(err == RADIOLIB_ERR_NONE);
//radio.setDio1Action(ISR_dio1Action);
isReceiving = true;
MSG("[RX] ... \n\r");
}
// send packet (blocking), MCU sleeps while waiting for TX DONE
bool perhapsSend(Packet_t* p) {
if (p->size > RADIOLIB_SX126X_MAX_PACKET_LENGTH) {
MSG("\n\r[INF]Packet size is %i! Reducing to %i. Sending ...", p->size, RADIOLIB_SX126X_MAX_PACKET_LENGTH);
p->size = RADIOLIB_SX126X_MAX_PACKET_LENGTH;
}
// clear irq status, standby()
radio.finishTransmit();
dio1 = false;
PacketHeader* h = (PacketHeader *)p->buf;
MSG("[TX] (id=0x%08X) HopLim=%i ", h->id, (h->flags & PACKET_FLAGS_HOP_MASK));
err=radio.startTransmit(p->buf, p->size);
isReceiving = false;
if (err == RADIOLIB_ERR_NONE) {
MSG("starting ... ");
} else {
MSG("failed, ERR = %i - resume RX\n\r", err);
return false;
}
delay(10);
MCU_deepsleep(); // wait for TX to complete, will wake on any DIO1
err = radio.getIrqStatus();
(err & RADIOLIB_SX126X_IRQ_TX_DONE) ? MSG("done!\n\r") : MSG("failed. Returned IRQ=%i\n\r", err);
dio1 = false;
radio.finishTransmit();
return ( err & RADIOLIB_SX126X_IRQ_TX_DONE );
}
bool perhapsDecode(Packet_t* p) {
// modified code, (c) Meshtastic https://github.com/meshtastic/firmware
PacketHeader* h = (PacketHeader *)p->buf;
const int32_t len = p->size - sizeof(PacketHeader);
const uint8_t *payload = p->buf + sizeof(PacketHeader);
mp.from = h->from;
mp.to = h->to;
mp.id = h->id;
mp.channel = h->channel;
mp.hop_limit = h->flags & PACKET_FLAGS_HOP_MASK;
mp.hop_limit += 1;
mp.want_ack = h->flags & PACKET_FLAGS_WANT_ACK_MASK;
mp.via_mqtt = h->flags & PACKET_FLAGS_VIA_MQTT_MASK;
mp.rx_snr = snr;
mp.rx_rssi = lround(radio.getRSSI());
mp.which_payload_variant = meshtastic_MeshPacket_encrypted_tag;
mp.encrypted.size = 0;
static uint8_t scratchbuf[MAX_RHPACKETLEN];
assert(len <= sizeof(scratchbuf));
// we have to copy into a scratch buffer, because mp.encrypted is a union with the decoded protobuf
memcpy(scratchbuf, p->buf + sizeof(PacketHeader), len);
crypto->decrypt(mp.from, mp.id, len, scratchbuf);
memset(&mp.decoded, 0, sizeof(mp.decoded));
if (!pb_decode_from_bytes((const uint8_t*)scratchbuf, len, &meshtastic_Data_msg, &mp.decoded)) {
MSG("[ERROR]Invalid protobufs in received mesh packet (bad psk?)!\n\r");
} else if (mp.decoded.portnum == meshtastic_PortNum_UNKNOWN_APP) {
MSG("[ERROR]Invalid portnum (bad psk?)!\n\r");
} else {
mp.which_payload_variant = meshtastic_MeshPacket_decoded_tag;
mp.channel = generateHash(0);
/*
if (mp.decoded.portnum == meshtastic_PortNum_TEXT_MESSAGE_COMPRESSED_APP) {
char compressed_in[meshtastic_Constants_DATA_PAYLOAD_LEN] = {};
char decompressed_out[meshtastic_Constants_DATA_PAYLOAD_LEN] = {};
int decompressed_len;
memcpy(compressed_in, mp.decoded.payload.bytes, mp.decoded.payload.size);
decompressed_len = unishox2_decompress_simple(compressed_in, mp.decoded.payload.size, decompressed_out);
memcpy(mp.decoded.payload.bytes, decompressed_out, decompressed_len);
mp.decoded.portnum = meshtastic_PortNum_TEXT_MESSAGE_APP;
}
*/
memset(theNode.user.short_name, 0, 5);
memset(theNode.user.long_name, 0, 40);
theNode.num = mp.from;
theNode.has_user = false;
theNode.has_position = false;
theNode.has_device_metrics = false;
printPacket();
return true;
}
MSG("[ERROR]No suitable channel found for decoding, hash was 0x%x!\n\r", mp.channel);
return false;
}
void printPacket(void) {
MSG("[INF](id=0x%08X) from=0x%.2X(%s) to=0x%.2X(%s), WantAck=%s, HopLim=%d Ch=0x%X",
mp.id, mp.from, NodeDB.get(mp.from), mp.to, NodeDB.get(mp.to), (mp.want_ack)? "YES":"NO", mp.hop_limit, mp.channel);
if (mp.which_payload_variant == meshtastic_MeshPacket_decoded_tag) {
auto &s = mp.decoded;
MSG(" Portnum=%d", s.portnum);
if (s.want_response) MSG(" WANTRESP");
if (s.source != 0) MSG(" source=%08x", s.source);
if (s.dest != 0) MSG(" dest=%08x", s.dest);
if (s.request_id) MSG(" requestId=%0x", s.request_id);
if (mp.rx_time != 0) MSG(" rxtime=%u", mp.rx_time);
if (mp.rx_snr != 0.0) MSGFLOAT(" rxSNR=", mp.rx_snr);
if (mp.rx_rssi != 0) MSG(" rxRSSI=%i", mp.rx_rssi);
if (mp.via_mqtt != 0) MSG(" via MQTT");
if (mp.priority != 0) MSG(" priority=%d", mp.priority);
MSG("\n\rPayload: ");
printVariants();
} else {
MSG(" encrypted!\n\r");
}
}
void printVariants(void){
// Make sure we have a decoded packet
if (mp.which_payload_variant != meshtastic_MeshPacket_decoded_tag)
return;
auto &d = mp.decoded;
// TEXT MESSAGE
// /modules/TextMessageModule.cpp
if (d.portnum == meshtastic_PortNum_TEXT_MESSAGE_APP){
MSG("TEXT ");
MSG("\"%.*s\"\n\r", d.payload.size, d.payload.bytes);
NodeDB.update(&theNode); // update last heard
return;
}
// HARDWARE MESSAGE
// /modules/RemoteHardwareModule.cpp
if (d.portnum == meshtastic_PortNum_REMOTE_HARDWARE_APP){
MSG("GPIO ");
meshtastic_NodeRemoteHardwarePin pin;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_NodeRemoteHardwarePin_msg, &pin)) {
MSG("*** Error ***\n\r");
return;
}
NodeDB.update(&theNode); // update last seen
return;
}
// POSITION MESSAGE
// /modules/PositionModule.cpp
if (d.portnum == meshtastic_PortNum_POSITION_APP){
MSG("POSITION ");
meshtastic_Position pos;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_Position_msg, &pos)) {
MSG("*** Error ***\n\r");
return;
}
// Log packet size and data fields
MSG("Node=%08X(%s) l=%d latI=%d lonI=%d msl=%d hae=%d geo=%d pdop=%d hdop=%d vdop=%d siv=%d fxq=%d fxt=%d pts=%d "
"time=%d\n\r",
mp.from, NodeDB.get(mp.from), d.payload.size, pos.latitude_i, pos.longitude_i, pos.altitude, pos.altitude_hae,
pos.altitude_geoidal_separation, pos.PDOP, pos.HDOP, pos.VDOP, pos.sats_in_view, pos.fix_quality, pos.fix_type, pos.timestamp,
pos.time);
NodeDB.update(&theNode); // update last heard
return;
}
// NODEINFO MESSAGE
// /modules/NodeInfoModule.cpp
if (d.portnum == meshtastic_PortNum_NODEINFO_APP){
MSG("NODE INFO ");
meshtastic_User user;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_User_msg, &user)) {
MSG("*** Error ***\n\r");
return;
}
MSG("id:%s short: %s long: %s licensed: %s ",user.id, user.short_name, user.long_name, (user.is_licensed)?"YES":"NO");
MSG("MAC:");
for (uint8_t i=0; i<sizeof(user.macaddr); i++) {
MSG("%0X",user.macaddr[i]);
}
MSG(" HW model: %i role: %i\n\r", (uint8_t)user.hw_model, (uint8_t)user.role);
theNode.has_user = true;
strncpy(theNode.user.short_name, user.short_name, sizeof(theNode.user.short_name) - 1);
strncpy(theNode.user.long_name, user.long_name, sizeof(theNode.user.long_name) - 1);
NodeDB.update(&theNode); // update user info
return;
}
// ROUTING MESSAGE
// /modules/RoutingModule.cpp
if (d.portnum == meshtastic_PortNum_ROUTING_APP){
MSG("ROUTING \n\r");
/*
meshtastic_Routing r;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_Routing_msg, &r)) {
MSG("*** Error ***\n\r");
return;
}
if (r.which_variant == sizeof(meshtastic_Routing_Error) ) {
MSG("RoutingError=%i\n\r", r.error_reason);
} else {
MSG("RouteRequest [");
for (uint8_t i=0; i < r.route_request.route_count; i++) MSG("0x%X ", r.route_request.route[i]);
MSG("] ");
MSG("RouteReply [");
for (uint8_t i=0; i < r.route_reply.route_count; i++) MSG("0x%X ", r.route_reply.route[i]);
MSG("]\n\r");
}
*/
NodeDB.update(&theNode); // update last heard
return;
}
// TELEMETRY MESSAGE
if (d.portnum == meshtastic_PortNum_TELEMETRY_APP){
NodeDB.update(&theNode); // update last heard
MSG("TELEMETRY");
meshtastic_Telemetry telemetry;
meshtastic_Telemetry *t = &telemetry;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_Telemetry_msg, &telemetry)) {
MSG("*** Error ***\n\r");
return;
}
// /modules/Telemetry/PowerTelemetry.cpp
if (t->which_variant == meshtastic_Telemetry_power_metrics_tag) {
MSG("(Power Metrics): ");
MSGFLOAT( "ch1_voltage=", t->variant.power_metrics.ch1_voltage);
MSGFLOAT(", ch1_current=", t->variant.power_metrics.ch1_current);
MSGFLOAT(", ch2_voltage=", t->variant.power_metrics.ch2_voltage);
MSGFLOAT(", ch2_current=", t->variant.power_metrics.ch2_current);
MSGFLOAT(", ch3_voltage=", t->variant.power_metrics.ch3_voltage);
MSGFLOAT(", ch3_current=", t->variant.power_metrics.ch3_current);
MSG("\n\r" );
return;
}
// /modules/Telemetry/DeviceTelemetry.cpp
if (t->which_variant == meshtastic_Telemetry_device_metrics_tag) {
MSG("(Device Metrics): ");
MSGFLOAT( "air_util_tx=", t->variant.device_metrics.air_util_tx);
MSGFLOAT(", channel_utilization=", t->variant.device_metrics.channel_utilization);
MSGFLOAT(", battery_level=", t->variant.device_metrics.battery_level);
MSGFLOAT(", voltage=", t->variant.device_metrics.voltage);
MSG("\n\r" );
return;
}
// /modules/Telemetry/EnvironmentTelemetry.cpp
if (t->which_variant == meshtastic_Telemetry_environment_metrics_tag) {
MSG("(Environment Metrics): ");
MSGFLOAT("barometric_pressure=", t->variant.environment_metrics.barometric_pressure);
MSGFLOAT(", current=", t->variant.environment_metrics.current);
MSGFLOAT(", gas_resistance=",t->variant.environment_metrics.gas_resistance);
MSGFLOAT(", rel_humidity=",t->variant.environment_metrics.relative_humidity);
MSGFLOAT(", temp=", t->variant.environment_metrics.temperature);
MSGFLOAT(", volt=", t->variant.environment_metrics.voltage);
MSG("\n\r");
return;
}
// /modules/Telemetry/AirQualityTelemetry.cpp
if (t->which_variant == meshtastic_Telemetry_air_quality_metrics_tag) {
MSG("Air Quality Metrics:\n\r");
MSG( "pm10_standard=%i, pm25_standard=%i, pm100_standard=%i\n\r",
t->variant.air_quality_metrics.pm10_standard, t->variant.air_quality_metrics.pm25_standard,
t->variant.air_quality_metrics.pm100_standard);
MSG("PM1.0(Environmental)=%i, PM2.5(Environmental)=%i, PM10.0(Environmental)=%i\n\r",
t->variant.air_quality_metrics.pm10_environmental, t->variant.air_quality_metrics.pm25_environmental,
t->variant.air_quality_metrics.pm100_environmental);
return;
}
}
// TRACEROUTE MESSAGE
// /modules/TraceRouteModule.cpp
if (d.portnum == meshtastic_PortNum_TRACEROUTE_APP){
NodeDB.update(&theNode); // update last heard
MSG("TRACEROUTE");
meshtastic_RouteDiscovery route;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_RouteDiscovery_msg, &route)) {
MSG("*** Error ***\n\r");
return;
}
MSG("(seen by %i Nodes", route.route_count);
if (route.route_count > 0) {
for (uint8_t i=0; i < route.route_count; i++) {
MSG(" %08X", route.route[i]);
}
}
MSG(")\n\r");
return;
}
// NEIGHBORINFO MESSAGE
// /modules/NeighborInfoModule.cpp
if (d.portnum == meshtastic_PortNum_NEIGHBORINFO_APP){
NodeDB.update(&theNode); // update last heard
MSG("NEIGHBORINFO ");
meshtastic_NeighborInfo np;
if (!pb_decode_from_bytes(d.payload.bytes, d.payload.size, &meshtastic_NeighborInfo_msg, &np)) {
MSG("*** Error ***\n\r");
return;
}
MSG("(last sent by 0x%x) Number of neighbors=%d\n\r", np.last_sent_by_id, np.neighbors_count);
for (uint8_t i = 0; i < np.neighbors_count; i++) {
MSG("[0x%X, ", np.neighbors[i].node_id);
MSGFLOAT("snr=%.2f]\n\r", np.neighbors[i].snr);
}
return;
}
// ATAK PLUGIN MESSAGE
// /modules/AtakPluginModule.cpp
if (d.portnum == meshtastic_PortNum_ATAK_PLUGIN){
NodeDB.update(&theNode); // update last heard
MSG("ATAK \n\r");
return;
}
// No known PortNum:
MSG("UNKNOWN #%i \"", d.portnum);
NodeDB.update(&theNode); // update last heard
for (uint32_t i=0; i < d.payload.size; i++){
MSG("%X", d.payload.bytes[i]);
}
MSG("\"\n\r");
return;
}
// PacketQueueClass Definitions
void PacketQueueClass::add(Packet_t* p) {
uint8_t idx = MAX_TX_QUEUE;
for (uint8_t i=0; i<(MAX_TX_QUEUE -1); i++) {
if (Queue[i].size == 0) { // search for a free slot
idx = i;
break;
}
}
if (idx == MAX_TX_QUEUE) { // no free slot, overwrite oldest packet
for (uint8_t i=1; i<(MAX_TX_QUEUE -1); i++) {
if (Queue[idx].packetTime < Queue[i].packetTime) idx = i;
}
}
Queue[idx].size = p->size;
Queue[idx].packetTime = p->packetTime;
MSG("enQueue Index=%i Size=%i\n\r", idx, Queue[idx].size);
memcpy(Queue[idx].buf, p->buf, p->size);
this->Count += 1;
}
bool PacketQueueClass::pop(void) {
if (this->Count == 0) return false;
uint8_t idx = MAX_TX_QUEUE;
for (uint8_t i=0 ;i < (MAX_TX_QUEUE -1); i++ ){
if (Queue[i].size != 0) { // first not empty entry
idx = i;
break;
}
}
if (idx == MAX_TX_QUEUE) { // empty Queue
this->Count = 0;
return false;
}
for (uint8_t i=idx; i<(MAX_TX_QUEUE -1); i++) {
if ( (Queue[i].size != 0) && (Queue[idx].packetTime < Queue[i].packetTime) ) idx = i; // find oldest packet
}
PacketToSend.packetTime = millis(); // start timer. after 1 minute, drop packet
PacketToSend.size = Queue[idx].size;
memcpy(PacketToSend.buf, Queue[idx].buf, Queue[idx].size);
Queue[idx].size = 0;
this->Count -= 1;
return true;
}
void PacketQueueClass::clear(void) {
for (uint8_t i = 0; i<(MAX_TX_QUEUE - 1); i++) {
this->Queue[i].size = 0; // mark as "deleted"
this->Count = 0;
}
}
// idStoreClass Definitions
bool idStoreClass::add(uint32_t id) {
uint8_t idx = 0;
for (int i = MAX_ID_LIST-1; i >= 0; i--) {
if (storage[i] == id){
return false; // packet ID is known, no update
}
if (storage[i] == 0) idx = i;
}
storage[idx] = id;
if (++idx <= MAX_ID_LIST) {
storage[idx] = 0;
} else {
storage[0] = 0;
}
return true; // new packet ID was added
}
void idStoreClass::clear(void) {
memset(this->storage, 0, sizeof(this->storage));
}
// NodeStoreClass Definitions
void NodeStoreClass::clear(void) {
for (uint8_t i=1; i < (MAX_NODE_LIST - 1); i++) {
this->nodeDB[i].has_user = false;
memset(this->nodeDB[i].user.short_name, 0, 5);
this->nodeDB[i].num = 0;
}
this->nodeDB[0].has_user = true;
this->nodeDB[0].num = 0xFFFFFFFF;
this->nodeDB[0].last_heard = 0xFFFFFFFF;
strncpy(this->nodeDB[0].user.short_name, "ALL", 3);
strncpy(this->nodeDB[0].user.long_name, "Channel Broadcast", 17);
}
// returns false if the Node is already known
void NodeStoreClass::update(meshtastic_NodeInfo* Node) {
uint8_t idx = MAX_NODE_LIST;
// check if it is a known Node Number
for (uint8_t i=0; i < (MAX_NODE_LIST - 1); i++) {
if (this->nodeDB[i].has_user) {
if (this->nodeDB[i].num == Node->num) {
// known Node
idx = i;
break;
}
}
}
if (idx < MAX_NODE_LIST) {
this->nodeDB[idx].last_heard = millis();
if (Node->has_user) {
strncpy(this->nodeDB[idx].user.short_name, Node->user.short_name, sizeof(this->nodeDB[idx].user.short_name) - 1);
strncpy(this->nodeDB[idx].user.long_name, Node->user.long_name, sizeof(this->nodeDB[idx].user.long_name) - 1);
}
} else { // new entry
this->add(Node);
}
}
// get the short name of the node. "" if unknown.
char* NodeStoreClass::get(uint32_t num) {
for (uint8_t i=0; i < MAX_NODE_LIST; i++) {
if (this->nodeDB[i].has_user) {
if (this->nodeDB[i].num == num) {
return this->nodeDB[i].user.short_name;
}
}
}
return "";
}
void NodeStoreClass::add(meshtastic_NodeInfo* Node) {
Node->last_heard = millis();
uint8_t idx = 0;
for (uint8_t i=1; i < (MAX_NODE_LIST - 1); i++) {
if (!this->nodeDB[i].has_user) {
idx = i;
break; // found unused slot
} else {
// find oldest node (longest time not heard from), overwrite if necessary
if (this->nodeDB[i].last_heard < this->nodeDB[idx].last_heard) {
idx = i;
}
}
}
//assert(idx != 0);
this->nodeDB[idx].num = Node->num;;
this->nodeDB[idx].has_user = true;
this->nodeDB[idx].last_heard = Node->last_heard;
if (Node->has_user) {
strncpy(this->nodeDB[idx].user.short_name, Node->user.short_name, sizeof(this->nodeDB[idx].user.short_name) - 1);
strncpy(this->nodeDB[idx].user.long_name, Node->user.long_name, sizeof(this->nodeDB[idx].user.long_name) - 1);
}
}
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