/*
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RFM69 MODULE
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Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if RFM69_SUPPORT
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#include "RFM69Manager.h"
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// -----------------------------------------------------------------------------
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// Locals
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// -----------------------------------------------------------------------------
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RFM69Manager * _rfm69_radio;
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struct _node_t {
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unsigned long count = 0;
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unsigned long missing = 0;
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unsigned long duplicates = 0;
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unsigned char lastPacketID = 0;
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};
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_node_t _rfm69_node_info[255];
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unsigned char _rfm69_node_count;
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unsigned long _rfm69_packet_count;
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// -----------------------------------------------------------------------------
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// WEB
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// -----------------------------------------------------------------------------
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#if WEB_SUPPORT
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void _rfm69WebSocketOnSend(JsonObject& root) {
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root["rfm69Visible"] = 1;
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root["rfm69Topic"] = getSetting("rfm69Topic", RFM69_DEFAULT_TOPIC);
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root["packetCount"] = _rfm69_packet_count;
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root["nodeCount"] = _rfm69_node_count;
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JsonArray& mappings = root.createNestedArray("mapping");
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for (unsigned char i=0; i<RFM69_MAX_TOPICS; i++) {
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unsigned char node = getSetting("node", i, 0).toInt();
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if (0 == node) break;
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JsonObject& mapping = mappings.createNestedObject();
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mapping["node"] = node;
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mapping["key"] = getSetting("key", i, "");
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mapping["topic"] = getSetting("topic", i, "");
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}
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}
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bool _rfm69WebSocketOnReceive(const char * key, JsonVariant& value) {
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if (strncmp(key, "rfm69", 5) == 0) return true;
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if (strncmp(key, "node", 4) == 0) return true;
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if (strncmp(key, "key", 3) == 0) return true;
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if (strncmp(key, "topic", 5) == 0) return true;
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return false;
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}
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void _rfm69WebSocketOnAction(uint32_t client_id, const char * action, JsonObject& data) {
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if (strcmp(action, "clear-counts") == 0) _rfm69Clear();
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}
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#endif // WEB_SUPPORT
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void _rfm69CleanNodes(unsigned char num) {
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// Look for the last defined node
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int i = 0;
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while (i < num) {
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if (getSetting("node", i, 0).toInt() == 0) break;
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if (getSetting("key", i, "").length() == 0) break;
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if (getSetting("topic", i, "").length() == 0) break;
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++i;
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}
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// Delete all other settings
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while (i < WIFI_MAX_NETWORKS) {
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delSetting("node", i);
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delSetting("key", i);
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delSetting("topic", i);
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++i;
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}
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}
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void _rfm69Configure() {
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_rfm69CleanNodes(RFM69_MAX_TOPICS);
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}
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// -----------------------------------------------------------------------------
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// Radio
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// -----------------------------------------------------------------------------
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void _rfm69Process(packet_t * data) {
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char response[4] = "OK ";
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// Count seen nodes and packets
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if (_rfm69_node_info[data->senderID].count == 0) ++_rfm69_node_count;
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++_rfm69_packet_count;
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// Detect duplicates and missing packets
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// packetID==0 means device is not sending packetID info
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if (data->packetID > 0) {
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if (_rfm69_node_info[data->senderID].count > 0) {
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unsigned char gap = data->packetID - _rfm69_node_info[data->senderID].lastPacketID;
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if (gap == 0) {
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strncpy(response, "DUP", sizeof(response));
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_rfm69_node_info[data->senderID].duplicates = _rfm69_node_info[data->senderID].duplicates + 1;
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return;
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}
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if ((gap > 1) && (data->packetID > 1)) {
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strncpy(response, "MIS", sizeof(response));
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_rfm69_node_info[data->senderID].missing = _rfm69_node_info[data->senderID].missing + gap - 1;
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}
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}
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}
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DEBUG_MSG_P(
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PSTR("[RFM69] %s: messageID:%05d senderID:%03d targetID:%03d packetID:%03d rssi:%-04d name:%s value:%s\n"),
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response,
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data->messageID,
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data->senderID,
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data->targetID,
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data->packetID,
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data->rssi,
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data->name,
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data->value
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);
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_rfm69_node_info[data->senderID].lastPacketID = data->packetID;
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_rfm69_node_info[data->senderID].count = _rfm69_node_info[data->senderID].count + 1;
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// Send info to websocket clients
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{
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char buffer[200];
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snprintf_P(
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buffer,
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sizeof(buffer) - 1,
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PSTR("{\"nodeCount\": %d, \"packetCount\": %lu, \"packet\": {\"senderID\": %u, \"targetID\": %u, \"packetID\": %u, \"name\": \"%s\", \"value\": \"%s\", \"rssi\": %d, \"duplicates\": %d, \"missing\": %d}}"),
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_rfm69_node_count, _rfm69_packet_count,
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data->senderID, data->targetID, data->packetID, data->name, data->value, data->rssi,
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_rfm69_node_info[data->senderID].duplicates , _rfm69_node_info[data->senderID].missing);
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wsSend(buffer);
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}
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// If we are the target of the message, forward it via MQTT, otherwise quit
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//if (RFM69_GATEWAY_ID != data->targetID) return;
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// Try to find a matching mapping
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for (unsigned int i=0; i<RFM69_MAX_TOPICS; i++) {
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unsigned char node = getSetting("node", i, 0).toInt();
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if (0 == node) break;
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if ((node == data->senderID) && (getSetting("key", i, "").equals(data->name))) {
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mqttSendRaw((char *) getSetting("topic", i, "").c_str(), (char *) String(data->value).c_str());
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return;
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}
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}
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// Mapping not found, use default topic
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String topic = getSetting("rfm69Topic", RFM69_DEFAULT_TOPIC);
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if (topic.length() > 0) {
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topic.replace("{node}", String(data->senderID));
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topic.replace("{key}", String(data->name));
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mqttSendRaw((char *) topic.c_str(), (char *) String(data->value).c_str());
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}
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}
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void _rfm69Loop() {
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_rfm69_radio->loop();
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}
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void _rfm69Clear() {
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for(unsigned int i=0; i<255; i++) {
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_rfm69_node_info[i].duplicates = 0;
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_rfm69_node_info[i].missing = 0;
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}
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_rfm69_node_count = 0;
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_rfm69_packet_count = 0;
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}
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// -----------------------------------------------------------------------------
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// RFM69
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// -----------------------------------------------------------------------------
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void rfm69Setup() {
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delay(10);
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_rfm69Configure();
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_rfm69_radio = new RFM69Manager(RFM69_CS_PIN, RFM69_IRQ_PIN, RFM69_IS_RFM69HW, digitalPinToInterrupt(RFM69_IRQ_PIN));
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_rfm69_radio->initialize(RFM69_FREQUENCY, RFM69_NODE_ID, RFM69_NETWORK_ID, RFM69_ENCRYPTKEY);
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_rfm69_radio->promiscuous(RFM69_PROMISCUOUS);
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_rfm69_radio->onMessage(_rfm69Process);
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#if WEB_SUPPORT
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wsOnSendRegister(_rfm69WebSocketOnSend);
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wsOnReceiveRegister(_rfm69WebSocketOnReceive);
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wsOnAfterParseRegister(_rfm69Configure);
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wsOnActionRegister(_rfm69WebSocketOnAction);
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#endif
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// Register loop
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espurnaRegisterLoop(_rfm69Loop);
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}
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#endif // RFM69_SUPPORT
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