First attempt to get the motion cam to detect motion - only logging so far.

src/main.cpp

@@ -0,0 +1,94 @@
+#include <Arduino.h>
+/**
+ * Run motion detection at low resolution.
+ * On motion, capture frame at higher resolution
+ * for SD storage.
+ *
+ * BE SURE TO SET "TOOLS > CORE DEBUG LEVEL = INFO"
+ * to turn on debug messages
+ */
+#include <eloquent_esp32cam.h>
+#include <eloquent_esp32cam/motion/detection.h>
+
+using eloq::camera;
+using eloq::motion::detection;
+
+
+/**
+ *
+ */
+void setup() {
+    delay(3000);
+    Serial.begin(115200);
+    Serial.println("___MOTION DETECTION + SWITCH RESOLUTION___");
+
+    // camera settings
+    // replace with your own model!
+    camera.pinout.aithinker();
+    camera.brownout.disable();
+    camera.resolution.vga();
+    camera.quality.high();
+
+    // see example of motion detection for config values
+    detection.skip(5);
+    detection.stride(1);
+    detection.threshold(5);
+    detection.ratio(0.2);
+    detection.rate.atMostOnceEvery(5).seconds();
+
+    // init camera
+    while (!camera.begin().isOk())
+        Serial.println(camera.exception.toString());
+
+    Serial.println("Camera OK");
+    Serial.println("Awaiting for motion...");
+}
+
+/**
+ *
+ */
+void loop() {
+    // capture picture
+    if (!camera.capture().isOk()) {
+        Serial.println(camera.exception.toString());
+        return;
+    }
+
+    // run motion detection
+    if (!detection.run().isOk()) {
+        Serial.println(detection.exception.toString());
+        return;
+    }
+
+    // on motion, perform action
+    if (detection.triggered()) {
+        Serial.printf(
+          "Motion detected on frame of size %dx%d (%d bytes)\n",
+          camera.resolution.getWidth(),
+          camera.resolution.getHeight(),
+          camera.getSizeInBytes()
+        );
+
+        Serial.println("Taking photo of motion at higher resolution");
+
+        camera.resolution.at(FRAMESIZE_UXGA, []() {
+          Serial.printf(
+            "Switched to higher resolution: %dx%d. It took %d ms to switch\n",
+            camera.resolution.getWidth(),
+            camera.resolution.getHeight(),
+            camera.resolution.benchmark.millis()
+          );
+
+          camera.capture();
+          
+          Serial.printf(
+            "Frame size is now %d bytes\n", 
+            camera.getSizeInBytes()
+          );
+
+          // save to SD...
+        });
+
+        Serial.println("Resolution switched back to VGA");
+    }
+}