Added (excluded) Dropzone Module for more comprehensive module example (#4098)

* DropzoneModule hello world * Buttoning things up * Exclude by default * Upstream refs * Cleanup * Add modules folder to path * Case and path matters * Exclude from header * Guard
2025-12-20 09:43:03 +00:00 · 2024-06-14 16:27:49 -05:00
parent 1a5227c826
commit 8b8e056b7b
7 changed files with 178 additions and 0 deletions
--- a/src/modules/DropzoneModule.cpp
+++ b/src/modules/DropzoneModule.cpp
@@ -0,0 +1,95 @@
+#if !MESHTASTIC_EXCLUDE_DROPZONE
+
+#include "DropzoneModule.h"
+#include "MeshService.h"
+#include "configuration.h"
+#include "gps/GeoCoord.h"
+#include "gps/RTC.h"
+#include "main.h"
+
+#include <assert.h>
+
+#include "modules/Telemetry/Sensor/DFRobotLarkSensor.h"
+#include "modules/Telemetry/UnitConversions.h"
+
+#include <string>
+
+DropzoneModule *dropzoneModule;
+
+int32_t DropzoneModule::runOnce()
+{
+    // Send on a 5 second delay from receiving the matching request
+    if (startSendConditions != 0 && (startSendConditions + 5000U) < millis()) {
+        service.sendToMesh(sendConditions(), RX_SRC_LOCAL);
+        startSendConditions = 0;
+    }
+    // Run every second to check if we need to send conditions
+    return 1000;
+}
+
+ProcessMessage DropzoneModule::handleReceived(const meshtastic_MeshPacket &mp)
+{
+    auto &p = mp.decoded;
+    char matchCompare[54];
+    auto incomingMessage = reinterpret_cast<const char *>(p.payload.bytes);
+    sprintf(matchCompare, "%s conditions", owner.short_name);
+    if (strncasecmp(incomingMessage, matchCompare, strlen(matchCompare)) == 0) {
+        LOG_DEBUG("Received dropzone conditions request\n");
+        startSendConditions = millis();
+    }
+
+    sprintf(matchCompare, "%s conditions", owner.long_name);
+    if (strncasecmp(incomingMessage, matchCompare, strlen(matchCompare)) == 0) {
+        LOG_DEBUG("Received dropzone conditions request\n");
+        startSendConditions = millis();
+    }
+    return ProcessMessage::CONTINUE;
+}
+
+meshtastic_MeshPacket *DropzoneModule::sendConditions()
+{
+    char replyStr[200];
+    /*
+        CLOSED @ {HH:MM:SS}z
+        Wind 2 kts @ 125°
+        29.25 inHg 72°C
+    */
+    uint32_t rtc_sec = getValidTime(RTCQuality::RTCQualityDevice, true);
+    int hour = 0, min = 0, sec = 0;
+    if (rtc_sec > 0) {
+        long hms = rtc_sec % SEC_PER_DAY;
+        hms = (hms + SEC_PER_DAY) % SEC_PER_DAY;
+
+        hour = hms / SEC_PER_HOUR;
+        min = (hms % SEC_PER_HOUR) / SEC_PER_MIN;
+        sec = (hms % SEC_PER_HOUR) % SEC_PER_MIN;
+    }
+
+    // Check if the dropzone is open or closed by reading the analog pin
+    // If pin is connected to GND (below 100 should be lower than floating voltage),
+    // the dropzone is open
+    auto dropzoneStatus = analogRead(A1) < 100 ? "OPEN" : "CLOSED";
+    auto reply = allocDataPacket();
+
+    auto node = nodeDB->getMeshNode(nodeDB->getNodeNum());
+    if (sensor.hasSensor()) {
+        meshtastic_Telemetry telemetry = meshtastic_Telemetry_init_zero;
+        sensor.getMetrics(&telemetry);
+        auto windSpeed = UnitConversions::MetersPerSecondToKnots(telemetry.variant.environment_metrics.wind_speed);
+        auto windDirection = telemetry.variant.environment_metrics.wind_direction;
+        auto temp = telemetry.variant.environment_metrics.temperature;
+        auto baro = UnitConversions::HectoPascalToInchesOfMercury(telemetry.variant.environment_metrics.barometric_pressure);
+        sprintf(replyStr, "%s @ %02d:%02d:%02dz\nWind %.2f kts @ %d°\nBaro %.2f inHg %.2f°C", dropzoneStatus, hour, min, sec,
+                windSpeed, windDirection, baro, temp);
+    } else {
+        LOG_ERROR("No sensor found\n");
+        sprintf(replyStr, "%s @ %02d:%02d:%02d\nNo sensor found", dropzoneStatus, hour, min, sec);
+    }
+    LOG_DEBUG("Conditions reply: %s\n", replyStr);
+    reply->decoded.payload.size = strlen(replyStr); // You must specify how many bytes are in the reply
+    memcpy(reply->decoded.payload.bytes, replyStr, reply->decoded.payload.size);
+
+    return reply;
+}
+
+#endif