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https://github.com/meshcore-dev/MeshCore.git
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* NEW: simple_room_server
This commit is contained in:
Scott Powell
613
examples/simple_room_server/main.cpp
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613
examples/simple_room_server/main.cpp
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#include <Arduino.h> // needed for PlatformIO
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#include <Mesh.h>
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#if defined(NRF52_PLATFORM)
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#include <InternalFileSystem.h>
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#elif defined(ESP32)
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#include <SPIFFS.h>
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#endif
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#define RADIOLIB_STATIC_ONLY 1
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#include <RadioLib.h>
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#include <helpers/ArduinoHelpers.h>
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#include <helpers/StaticPoolPacketManager.h>
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#include <helpers/SimpleMeshTables.h>
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#include <helpers/IdentityStore.h>
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#include <RTClib.h>
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/* ------------------------------ Config -------------------------------- */
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#ifndef LORA_FREQ
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#define LORA_FREQ 915.0
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#endif
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#ifndef LORA_BW
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#define LORA_BW 250
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#endif
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#ifndef LORA_SF
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#define LORA_SF 10
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#endif
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#ifndef LORA_CR
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#define LORA_CR 5
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#endif
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#ifndef LORA_TX_POWER
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#define LORA_TX_POWER 20
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#endif
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#ifndef ADVERT_NAME
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#define ADVERT_NAME "Test BBS"
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#endif
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#ifndef ADVERT_LAT
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#define ADVERT_LAT 0.0
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#endif
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#ifndef ADVERT_LON
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#define ADVERT_LON 0.0
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#endif
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#ifndef ADMIN_PASSWORD
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#define ADMIN_PASSWORD "password"
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#endif
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#if defined(HELTEC_LORA_V3)
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#include <helpers/HeltecV3Board.h>
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#include <helpers/CustomSX1262Wrapper.h>
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static HeltecV3Board board;
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#elif defined(ARDUINO_XIAO_ESP32C3)
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#include <helpers/XiaoC3Board.h>
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#include <helpers/CustomSX1262Wrapper.h>
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#include <helpers/CustomSX1268Wrapper.h>
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static XiaoC3Board board;
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#elif defined(SEEED_XIAO_S3)
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#include <helpers/ESP32Board.h>
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#include <helpers/CustomSX1262Wrapper.h>
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static ESP32Board board;
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#elif defined(RAK_4631)
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#include <helpers/RAK4631Board.h>
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#include <helpers/CustomSX1262Wrapper.h>
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static RAK4631Board board;
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#else
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#error "need to provide a 'board' object"
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#endif
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/* ------------------------------ Code -------------------------------- */
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struct ClientInfo {
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mesh::Identity id;
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uint32_t last_timestamp; // by THEIR clock
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uint32_t last_activity; // by OUR clock
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uint32_t sync_since; // sync messages SINCE this timestamp (by OUR clock)
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uint32_t pending_ack;
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uint32_t push_post_timestamp;
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bool is_admin;
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uint8_t secret[PUB_KEY_SIZE];
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int out_path_len;
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uint8_t out_path[MAX_PATH_SIZE];
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};
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#define MAX_POST_TEXT_LEN (160-9)
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struct PostInfo {
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mesh::Identity author;
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uint32_t post_timestamp; // by OUR clock
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char text[MAX_POST_TEXT_LEN+1];
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};
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#define MAX_CLIENTS 32
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#define MAX_UNSYNCED_POSTS 16
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#define REPLY_DELAY_MILLIS 1500
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#define PUSH_NOTIFY_DELAY_MILLIS 1000
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#define SYNC_PUSH_INTERVAL 1000
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class MyMesh : public mesh::Mesh {
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RadioLibWrapper* my_radio;
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float airtime_factor;
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uint8_t reply_data[MAX_PACKET_PAYLOAD];
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int num_clients;
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ClientInfo known_clients[MAX_CLIENTS];
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unsigned long next_push;
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int next_client_idx; // for round-robin polling
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int next_post_idx;
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PostInfo posts[MAX_UNSYNCED_POSTS]; // cyclic queue
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ClientInfo* putClient(const mesh::Identity& id) {
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for (int i = 0; i < num_clients; i++) {
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if (id.matches(known_clients[i].id)) return &known_clients[i]; // already known
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}
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ClientInfo* newClient;
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if (num_clients < MAX_CLIENTS) {
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auto newClient = &known_clients[num_clients++];
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} else { // table is currently full
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// evict least active client
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uint32_t oldest_timestamp = 0xFFFFFFFF;
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newClient = &known_clients[0];
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for (int i = 0; i < num_clients; i++) {
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auto c = &known_clients[i];
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if (c->last_activity < oldest_timestamp) {
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oldest_timestamp = c->last_activity;
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newClient = c;
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}
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}
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}
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newClient->id = id;
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newClient->out_path_len = -1; // initially out_path is unknown
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newClient->last_timestamp = 0;
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self_id.calcSharedSecret(newClient->secret, id); // calc ECDH shared secret
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return newClient;
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}
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void addPost(ClientInfo* client, const char* postData, char reply[]) {
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// TODO: suggested postData format: <title>/<descrption>
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posts[next_post_idx].author = client->id; // add to cyclic queue
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strncpy(posts[next_post_idx].text, postData, MAX_POST_TEXT_LEN);
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posts[next_post_idx].text[MAX_POST_TEXT_LEN] = 0;
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posts[next_post_idx].post_timestamp = getRTCClock()->getCurrentTime();
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// TODO: only post at maximum of ONE PER SECOND, so that post_timestamps are UNIQUE!!
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next_post_idx = (next_post_idx + 1) % MAX_UNSYNCED_POSTS;
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strcpy(reply, "[Posted]");
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next_push = futureMillis(PUSH_NOTIFY_DELAY_MILLIS);
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}
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void handleCommand(ClientInfo* client, const char* command, char reply[]) {
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if (*command == '+') {
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addPost(client, &command[1], reply);
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} else {
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strcpy(reply, "?"); // unknown command
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}
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}
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void pushPostToClient(ClientInfo* client, PostInfo& post) {
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int len = 0;
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memcpy(&reply_data[len], &post.post_timestamp, 4); len += 4; // this is a PAST timestamp... but should be accepted by client
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reply_data[len++] = 0; // plain text
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// encode prefix of post.author.pub_key (in hex)
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mesh::Utils::toHex((char *) &reply_data[len], post.author.pub_key, 4); len += 8; // just first 4 bytes (8 hex chars)
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reply_data[len++] = ':';
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int text_len = strlen(post.text);
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memcpy(&reply_data[len], post.text, text_len); len += text_len;
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// calc expected ACK reply
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mesh::Utils::sha256((uint8_t *)&client->pending_ack, 4, reply_data, len, self_id.pub_key, PUB_KEY_SIZE);
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client->push_post_timestamp = post.post_timestamp;
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auto reply = createDatagram(PAYLOAD_TYPE_TXT_MSG, client->id, client->secret, reply_data, len);
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if (reply) {
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if (client->out_path_len < 0) {
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sendFlood(reply);
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} else {
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sendDirect(reply, client->out_path, client->out_path_len);
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}
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} else {
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MESH_DEBUG_PRINTLN("Unable to push post to client");
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}
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}
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bool processAck(const uint8_t *data) {
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for (int i = 0; i < num_clients; i++) {
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auto client = &known_clients[i];
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if (client->pending_ack && memcmp(data, &client->pending_ack, 4) == 0) { // got an ACK from Client!
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client->pending_ack = 0; // clear this, so next push can happen
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client->sync_since = client->push_post_timestamp; // advance Client's SINCE timestamp, to sync next post
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return true;
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}
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}
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return false;
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}
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protected:
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float getAirtimeBudgetFactor() const override {
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return airtime_factor;
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}
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#if ROOM_IS_ALSO_REPEATER
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bool allowPacketForward(const mesh::Packet* packet) override {
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return true; // Yes, allow packet to be forwarded
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}
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#endif
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void onAnonDataRecv(mesh::Packet* packet, uint8_t type, const mesh::Identity& sender, uint8_t* data, size_t len) override {
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if (type == PAYLOAD_TYPE_ANON_REQ) { // received an initial request by a possible admin client (unknown at this stage)
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uint32_t sender_timestamp, sender_sync_since;
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memcpy(&sender_timestamp, data, 4);
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memcpy(&sender_sync_since, &data[4], 4); // sender's "sync messags SINCE x" timestamp
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bool is_admin;
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if (memcmp(&data[8], ADMIN_PASSWORD, strlen(ADMIN_PASSWORD)) == 0) { // check for valid admin password
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is_admin = true;
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} else {
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is_admin = false;
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#ifdef ROOM_PASSWORD
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if (memcmp(&data[8], ROOM_PASSWORD, strlen(ROOM_PASSWORD)) != 0) { // check the room/public password
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MESH_DEBUG_PRINTLN("Incorrect room password");
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return; // no response. Client will timeout
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}
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#endif
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}
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auto client = putClient(sender); // add to known clients (if not already known)
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if (sender_timestamp <= client->last_timestamp) {
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MESH_DEBUG_PRINTLN("possible replay attack!");
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return;
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}
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MESH_DEBUG_PRINTLN("Login success!");
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client->is_admin = is_admin;
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client->last_timestamp = sender_timestamp;
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client->sync_since = sender_sync_since;
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client->pending_ack = 0;
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uint32_t now = getRTCClock()->getCurrentTime();
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client->last_activity = now;
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memcpy(reply_data, &now, 4); // response packets always prefixed with timestamp
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// TODO: maybe reply with count of messages waiting to be synced for THIS client?
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memset(&reply_data[4], 0, 4); // FUTURE: reserve 4 bytes
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memcpy(&reply_data[8], "OK", 2);
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if (packet->isRouteFlood()) {
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// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the response
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mesh::Packet* path = createPathReturn(sender, client->secret, packet->path, packet->path_len,
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PAYLOAD_TYPE_RESPONSE, reply_data, 8 + 2);
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if (path) sendFlood(path);
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} else {
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mesh::Packet* reply = createDatagram(PAYLOAD_TYPE_RESPONSE, sender, client->secret, reply_data, 8 + 2);
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if (reply) {
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if (client->out_path_len >= 0) { // we have an out_path, so send DIRECT
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sendDirect(reply, client->out_path, client->out_path_len);
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} else {
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sendFlood(reply);
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}
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}
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}
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}
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}
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int matching_peer_indexes[MAX_CLIENTS];
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int searchPeersByHash(const uint8_t* hash) override {
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int n = 0;
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for (int i = 0; i < num_clients; i++) {
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if (known_clients[i].id.isHashMatch(hash)) {
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matching_peer_indexes[n++] = i; // store the INDEXES of matching contacts (for subsequent 'peer' methods)
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}
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}
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return n;
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}
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void getPeerSharedSecret(uint8_t* dest_secret, int peer_idx) override {
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int i = matching_peer_indexes[peer_idx];
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if (i >= 0 && i < num_clients) {
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// lookup pre-calculated shared_secret
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memcpy(dest_secret, known_clients[i].secret, PUB_KEY_SIZE);
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} else {
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MESH_DEBUG_PRINTLN("getPeerSharedSecret: Invalid peer idx: %d", i);
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}
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}
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void onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender_idx, const uint8_t* secret, uint8_t* data, size_t len) override {
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int i = matching_peer_indexes[sender_idx];
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if (i < 0 || i >= num_clients) { // get from our known_clients table (sender SHOULD already be known in this context)
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MESH_DEBUG_PRINTLN("onPeerDataRecv: invalid peer idx: %d", i);
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return;
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}
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auto client = &known_clients[i];
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if (type == PAYLOAD_TYPE_TXT_MSG && len > 5) { // a CLI command
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uint32_t sender_timestamp;
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memcpy(&sender_timestamp, data, 4); // timestamp (by sender's RTC clock - which could be wrong)
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uint flags = data[4]; // message attempt number, and other flags
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if (flags != 0) {
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MESH_DEBUG_PRINTLN("onPeerDataRecv: unsupported command type received: flags=%02x", (uint32_t)flags);
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} else if (sender_timestamp > client->last_timestamp) { // prevent replay attacks
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client->last_timestamp = sender_timestamp;
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uint32_t now = getRTCClock()->getCurrentTime();
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client->last_activity = now;
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// len can be > original length, but 'text' will be padded with zeroes
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data[len] = 0; // need to make a C string again, with null terminator
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uint32_t ack_hash; // calc truncated hash of the message timestamp + text + sender pub_key, to prove to sender that we got it
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mesh::Utils::sha256((uint8_t *) &ack_hash, 4, data, 5 + strlen((char *)&data[5]), client->id.pub_key, PUB_KEY_SIZE);
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mesh::Packet* ack = createAck(ack_hash);
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if (ack) {
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if (client->out_path_len < 0) {
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sendFlood(ack);
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} else {
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sendDirect(ack, client->out_path, client->out_path_len);
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}
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}
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uint8_t temp[166];
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if (client->is_admin) {
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if (!handleAdminCommand(sender_timestamp, (const char *) &data[5], (char *) &temp[5])) {
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handleCommand(client, (const char *) &data[5], (char *) &temp[5]);
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}
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} else {
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handleCommand(client, (const char *) &data[5], (char *) &temp[5]);
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}
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int text_len = strlen((char *) &temp[5]);
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if (text_len > 0) {
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if (now == sender_timestamp) {
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// WORKAROUND: the two timestamps need to be different, in the CLI view
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now++;
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}
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memcpy(temp, &now, 4); // mostly an extra blob to help make packet_hash unique
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temp[4] = 0; // attempt and flags
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// calc expected ACK reply
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//mesh::Utils::sha256((uint8_t *)&expected_ack_crc, 4, temp, 5 + text_len, self_id.pub_key, PUB_KEY_SIZE);
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auto reply = createDatagram(PAYLOAD_TYPE_TXT_MSG, client->id, secret, temp, 5 + text_len);
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if (reply) {
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if (client->out_path_len < 0) {
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sendFlood(reply, REPLY_DELAY_MILLIS);
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} else {
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sendDirect(reply, client->out_path, client->out_path_len, REPLY_DELAY_MILLIS);
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}
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}
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}
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} else {
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MESH_DEBUG_PRINTLN("onPeerDataRecv: possible replay attack detected");
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}
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}
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}
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bool onPeerPathRecv(mesh::Packet* packet, int sender_idx, const uint8_t* secret, uint8_t* path, uint8_t path_len, uint8_t extra_type, uint8_t* extra, uint8_t extra_len) override {
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// TODO: prevent replay attacks
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int i = matching_peer_indexes[sender_idx];
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if (i >= 0 && i < num_clients) { // get from our known_clients table (sender SHOULD already be known in this context)
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MESH_DEBUG_PRINTLN("PATH to client, path_len=%d", (uint32_t) path_len);
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auto client = &known_clients[i];
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memcpy(client->out_path, path, client->out_path_len = path_len); // store a copy of path, for sendDirect()
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} else {
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MESH_DEBUG_PRINTLN("onPeerPathRecv: invalid peer idx: %d", i);
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}
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if (extra_type == PAYLOAD_TYPE_ACK && extra_len >= 4) {
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// also got an encoded ACK!
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processAck(extra);
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}
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// NOTE: no reciprocal path send!!
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return false;
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}
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void onAckRecv(mesh::Packet* packet, uint32_t ack_crc) override {
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if (processAck((uint8_t *)&ack_crc)) {
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packet->markDoNotRetransmit(); // ACK was for this node, so don't retransmit
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}
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}
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public:
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MyMesh(RadioLibWrapper& radio, mesh::MillisecondClock& ms, mesh::RNG& rng, mesh::RTCClock& rtc, mesh::MeshTables& tables)
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: mesh::Mesh(radio, ms, rng, rtc, *new StaticPoolPacketManager(32), tables)
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{
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my_radio = &radio;
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airtime_factor = 1.0; // one half
|
||||
num_clients = 0;
|
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next_post_idx = 0;
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next_client_idx = 0;
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next_push = 0;
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memset(posts, 0, sizeof(posts));
|
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}
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||||
|
||||
#define ADV_TYPE_NONE 0 // unknown
|
||||
#define ADV_TYPE_CHAT 1
|
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#define ADV_TYPE_REPEATER 2
|
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#define ADV_TYPE_ROOM 3 // New kid on the block!
|
||||
//FUTURE: 4..15
|
||||
|
||||
#define ADV_LATLON_MASK 0x10
|
||||
#define ADV_BATTERY_MASK 0x20
|
||||
#define ADV_TEMPERATURE_MASK 0x40
|
||||
#define ADV_NAME_MASK 0x80
|
||||
|
||||
void sendSelfAdvertisement() {
|
||||
uint8_t app_data[MAX_ADVERT_DATA_SIZE+32];
|
||||
app_data[0] = ADV_TYPE_ROOM | ADV_NAME_MASK;
|
||||
int i = 1;
|
||||
int32_t lat = ADVERT_LAT * 1E6;
|
||||
int32_t lon = ADVERT_LON * 1E6;
|
||||
if (!(lat == 0 && lon == 0)) {
|
||||
app_data[0] |= ADV_LATLON_MASK;
|
||||
memcpy(&app_data[i], &lat, 4); i += 4;
|
||||
memcpy(&app_data[i], &lon, 4); i += 4;
|
||||
}
|
||||
strcpy((char *)&app_data[i], ADVERT_NAME);
|
||||
int app_data_len = i + strlen(ADVERT_NAME);
|
||||
if (app_data_len > MAX_ADVERT_DATA_SIZE) {
|
||||
app_data_len = MAX_ADVERT_DATA_SIZE;
|
||||
app_data[MAX_ADVERT_DATA_SIZE - 1] = 0; // truncate the ADVERT_NAME
|
||||
}
|
||||
|
||||
mesh::Packet* pkt = createAdvert(self_id, app_data, app_data_len);
|
||||
if (pkt) {
|
||||
sendFlood(pkt, 1200); // add slight delay
|
||||
} else {
|
||||
MESH_DEBUG_PRINTLN("ERROR: unable to create advertisement packet!");
|
||||
}
|
||||
}
|
||||
|
||||
bool handleAdminCommand(uint32_t sender_timestamp, const char* command, char reply[]) {
|
||||
while (*command == ' ') command++; // skip leading spaces
|
||||
|
||||
if (memcmp(command, "reboot", 6) == 0) {
|
||||
board.reboot(); // doesn't return
|
||||
} else if (memcmp(command, "advert", 6) == 0) {
|
||||
sendSelfAdvertisement();
|
||||
strcpy(reply, "OK - Advert sent");
|
||||
} else if (memcmp(command, "clock sync", 10) == 0) {
|
||||
uint32_t curr = getRTCClock()->getCurrentTime();
|
||||
if (sender_timestamp > curr) {
|
||||
getRTCClock()->setCurrentTime(sender_timestamp + 1);
|
||||
strcpy(reply, "OK - clock set");
|
||||
} else {
|
||||
strcpy(reply, "ERR: clock cannot go backwards");
|
||||
}
|
||||
} else if (memcmp(command, "clock", 5) == 0) {
|
||||
uint32_t now = getRTCClock()->getCurrentTime();
|
||||
DateTime dt = DateTime(now);
|
||||
sprintf(reply, "%02d:%02d - %d/%d/%d UTC", dt.hour(), dt.minute(), dt.day(), dt.month(), dt.year());
|
||||
} else if (memcmp(command, "set ", 4) == 0) {
|
||||
if (memcmp(&command[4], "AF", 2) == 0 || memcmp(&command[4], "af=", 2) == 0) {
|
||||
airtime_factor = atof(&command[7]);
|
||||
strcpy(reply, "OK");
|
||||
} else {
|
||||
sprintf(reply, "unknown config: %s", &command[4]);
|
||||
}
|
||||
} else {
|
||||
// unknown command
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void loop() {
|
||||
mesh::Mesh::loop();
|
||||
|
||||
if (millisHasNowPassed(next_push) && num_clients > 0) {
|
||||
// check next Round-Robin client, and sync next new post
|
||||
auto client = &known_clients[next_client_idx];
|
||||
if (client->pending_ack == 0) {
|
||||
for (int k = 0, idx = next_post_idx; k < MAX_UNSYNCED_POSTS; k++) {
|
||||
if (posts[idx].post_timestamp > client->sync_since // is new post for this Client?
|
||||
&& !posts[idx].author.matches(client->id)) { // don't push posts to the author
|
||||
// push this post to Client, then wait for ACK
|
||||
pushPostToClient(client, posts[idx]);
|
||||
break;
|
||||
}
|
||||
idx = (idx + 1) % MAX_UNSYNCED_POSTS; // wrap to start of cyclic queue
|
||||
}
|
||||
}
|
||||
next_client_idx = (next_client_idx + 1) % num_clients; // round robin polling for each client
|
||||
|
||||
next_push = futureMillis(SYNC_PUSH_INTERVAL);
|
||||
}
|
||||
|
||||
// TODO: periodically check for OLD/inactive entries in known_clients[], and evict
|
||||
}
|
||||
};
|
||||
|
||||
#if defined(NRF52_PLATFORM)
|
||||
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
|
||||
#elif defined(P_LORA_SCLK)
|
||||
SPIClass spi;
|
||||
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, spi);
|
||||
#else
|
||||
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY);
|
||||
#endif
|
||||
StdRNG fast_rng;
|
||||
SimpleMeshTables tables;
|
||||
|
||||
#ifdef ESP32
|
||||
ESP32RTCClock rtc_clock;
|
||||
#else
|
||||
VolatileRTCClock rtc_clock;
|
||||
#endif
|
||||
|
||||
MyMesh the_mesh(*new WRAPPER_CLASS(radio, board), *new ArduinoMillis(), fast_rng, rtc_clock, tables);
|
||||
|
||||
void halt() {
|
||||
while (1) ;
|
||||
}
|
||||
|
||||
static char command[MAX_POST_TEXT_LEN+1];
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
delay(1000);
|
||||
|
||||
board.begin();
|
||||
#ifdef ESP32
|
||||
rtc_clock.begin();
|
||||
#endif
|
||||
|
||||
#ifdef SX126X_DIO3_TCXO_VOLTAGE
|
||||
float tcxo = SX126X_DIO3_TCXO_VOLTAGE;
|
||||
#else
|
||||
float tcxo = 1.6f;
|
||||
#endif
|
||||
|
||||
#if defined(NRF52_PLATFORM)
|
||||
SPI.setPins(P_LORA_MISO, P_LORA_SCLK, P_LORA_MOSI);
|
||||
SPI.begin();
|
||||
#elif defined(P_LORA_SCLK)
|
||||
spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
|
||||
#endif
|
||||
int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8, tcxo);
|
||||
if (status != RADIOLIB_ERR_NONE) {
|
||||
delay(5000);
|
||||
Serial.print("ERROR: radio init failed: ");
|
||||
Serial.println(status);
|
||||
halt();
|
||||
}
|
||||
|
||||
radio.setCRC(0);
|
||||
|
||||
#ifdef SX126X_CURRENT_LIMIT
|
||||
radio.setCurrentLimit(SX126X_CURRENT_LIMIT);
|
||||
#endif
|
||||
|
||||
#ifdef SX126X_DIO2_AS_RF_SWITCH
|
||||
radio.setDio2AsRfSwitch(SX126X_DIO2_AS_RF_SWITCH);
|
||||
#endif
|
||||
|
||||
#if defined(NRF52_PLATFORM)
|
||||
InternalFS.begin();
|
||||
IdentityStore store(InternalFS, "/identity");
|
||||
#elif defined(ESP32)
|
||||
SPIFFS.begin(true);
|
||||
IdentityStore store(SPIFFS, "/identity");
|
||||
#else
|
||||
#error "need to define filesystem"
|
||||
#endif
|
||||
if (!store.load("_main", the_mesh.self_id)) {
|
||||
the_mesh.self_id = mesh::LocalIdentity(the_mesh.getRNG()); // create new random identity
|
||||
store.save("_main", the_mesh.self_id);
|
||||
}
|
||||
|
||||
Serial.print("Room ID: ");
|
||||
mesh::Utils::printHex(Serial, the_mesh.self_id.pub_key, PUB_KEY_SIZE); Serial.println();
|
||||
|
||||
command[0] = 0;
|
||||
|
||||
the_mesh.begin();
|
||||
|
||||
// send out initial Advertisement to the mesh
|
||||
the_mesh.sendSelfAdvertisement();
|
||||
}
|
||||
|
||||
void loop() {
|
||||
int len = strlen(command);
|
||||
while (Serial.available() && len < sizeof(command)-1) {
|
||||
char c = Serial.read();
|
||||
if (c != '\n') {
|
||||
command[len++] = c;
|
||||
command[len] = 0;
|
||||
}
|
||||
Serial.print(c);
|
||||
}
|
||||
if (len == sizeof(command)-1) { // command buffer full
|
||||
command[sizeof(command)-1] = '\r';
|
||||
}
|
||||
|
||||
if (len > 0 && command[len - 1] == '\r') { // received complete line
|
||||
command[len - 1] = 0; // replace newline with C string null terminator
|
||||
char reply[160];
|
||||
the_mesh.handleAdminCommand(0, command, reply); // NOTE: there is no sender_timestamp via serial!
|
||||
if (reply[0]) {
|
||||
Serial.print(" -> "); Serial.println(reply);
|
||||
}
|
||||
|
||||
command[0] = 0; // reset command buffer
|
||||
}
|
||||
|
||||
the_mesh.loop();
|
||||
}
|
||||
Reference in New Issue
Block a user