first commit

lmao.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+SERIAL_PORT="/dev/ttyACM0"
+BAUD_RATE="115200"
+
+{
+    stty -F $SERIAL_PORT $BAUD_RATE
+    COUNT=0
+    PREVIOUS_TIME=""
+
+    while IFS= read -r LINE; do
+        CURRENT_TIME=$(date +%s.%N)
+
+        # 5 msgs
+        if [ $COUNT -lt 5 ]; then
+            echo "msg $COUNT: $LINE"
+
+            if [[ -n $PREVIOUS_TIME ]]; then
+                INTERVAL=$(echo "$CURRENT_TIME - $PREVIOUS_TIME" | bc)
+                echo "interval: ${INTERVAL}s"
+            fi
+
+            PREVIOUS_TIME=$CURRENT_TIME
+            COUNT=$((COUNT + 1))
+        else
+            break
+        fi
+    done
+} <$SERIAL_PORT