Added plot.

.gitignore

@@ -1,5 +1,7 @@
 *.db*
 
+.venv
+
 # ---> C++
 # Prerequisites
 *.d

Makefile

@@ -5,3 +5,12 @@ tikker: tikker.c sormc.h
 
 run:
 	./tikker
+
+PYTHON="./.venv/bin/python"
+
+ensure_env:
+	-@python3 -m venv .venv
+
+plot: ensure_env
+	$(PYTHON) plot.py
+

plot.py

@@ -0,0 +1,92 @@
+import sqlite3
+
+connection = sqlite3.connect('tikker.db')
+
+def render_per_hour():
+    cursor = connection.cursor()
+
+    cursor.execute("SELECT count(0) as total, strftime('%H',timestamp) as hour  FROM kevent WHERE event = 'PRESSED' GROUP BY hour ORDEr BY hour")
+    rows_presses = cursor.fetchall()
+
+    cursor.execute("SELECT count(0) as total, strftime('%H',timestamp) as hour  FROM kevent WHERE event = 'REPEATED' GROUP BY hour ORDEr BY hour")
+    rows_repeated = cursor.fetchall()
+
+
+    cursor.execute("SELECT count(0) as total, strftime('%H',timestamp) as hour  FROM kevent WHERE event = 'RELEASED' GROUP BY hour ORDEr BY hour")
+    rows_released = cursor.fetchall()
+
+    import matplotlib.pyplot as plt
+
+    totals = [row[0] for row in rows_presses]
+    hours = [row[1] for row in rows_presses]
+
+    totals_repeated = [row[0] for row in rows_repeated]
+    hours_repeated = [row[1] for row in rows_repeated]
+
+    totals_released = [row[0] for row in rows_released]
+    hours_released = [row[1] for row in rows_released]
+
+    plt.figure(figsize=(8, 6))
+
+    plt.plot(hours_repeated, totals_repeated, marker='o', label='Repeats per hour', color='green')
+    plt.plot(hours_released, totals_released, marker='o', label='Releases per hour', color='orange')
+
+    plt.plot(hours, totals, marker='o', label='Presses per hour', color='red')
+    plt.xlabel('Hour')
+    plt.ylabel('Event count')
+    plt.title('Keyboard events')
+    plt.legend()
+
+    plt.grid(True)
+    plt.show()
+
+def render_per_weekday():
+    cursor = connection.cursor()
+
+    weekday_sql = """ CASE 
+        WHEN strftime("%w",timestamp) = 0 THEN 'Sunday'
+        WHEN strftime("%w",timestamp) = 1 THEN 'Monday'
+        WHEN strftime("%w",timestamp) = 2 THEN 'Tuesday'
+        WHEN strftime("%w",timestamp) = 3 THEN 'Wednesday'
+        WHEN strftime("%w",timestamp) = 4 THEN 'Thursday'
+        WHEN strftime("%w",timestamp) = 5 THEN 'Friday'
+        WHEN strftime("%w",timestamp) = 6 THEN 'Saturday'
+    END """
+
+    cursor.execute(f"SELECT count(0) as total, {weekday_sql} as weekday, strftime('%w',timestamp) as hour   FROM kevent WHERE event = 'PRESSED' GROUP BY hour ORDEr BY hour")
+    rows_presses = cursor.fetchall()
+
+    cursor.execute(f"SELECT count(0) as total, {weekday_sql} as weekday, strftime('%w',timestamp) as hour  FROM kevent WHERE event = 'REPEATED' GROUP BY hour ORDEr BY hour")
+    rows_repeated = cursor.fetchall()
+
+
+    cursor.execute(f"SELECT count(0) as total, {weekday_sql} as weekday, strftime('%w',timestamp) as hour  FROM kevent WHERE event = 'RELEASED' GROUP BY hour ORDEr BY hour")
+    rows_released = cursor.fetchall()
+
+    import matplotlib.pyplot as plt
+
+    totals = [row[0] for row in rows_presses]
+    hours = [row[2] for row in rows_presses]
+
+    totals_repeated = [row[0] for row in rows_repeated]
+    hours_repeated = [row[2] for row in rows_repeated]
+
+    totals_released = [row[0] for row in rows_released]
+    hours_released = [row[2] for row in rows_released]
+
+    plt.figure(figsize=(8, 6))
+
+    plt.plot(hours_repeated, totals_repeated, marker='o', label='Repeats per weekday', color='green')
+    plt.plot(hours_released, totals_released, marker='o', label='Releases per weekday', color='orange')
+
+    plt.plot(hours, totals, marker='o', label='Presses per weekday', color='red')
+    plt.xlabel('Day of week (0 = Sunday, 6 = Saturday)')
+    plt.ylabel('Event count')
+    plt.title('Keyboard events')
+    plt.legend()
+
+    plt.grid(True)
+    plt.show()
+
+render_per_hour()
+render_per_weekday()