openpilot v0.5.12 release

selfdrive/debug/tuner.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+"""
+This tool can be used to quickly changes the values in a JSON file used for tuning
+Keys like in vim:
+ - h: decrease by 0.05
+ - l: increase by 0.05
+ - k: move pointer up
+ - j: move pointer down
+"""
+
+import tty
+import sys
+import json
+import termios
+from collections import OrderedDict
+
+FILENAME = '/data/tuning.json'
+
+def read_tuning():
+  while True:
+    try:
+      return json.loads(open(FILENAME).read())
+    except:
+      pass
+
+def main():
+  dat = json.loads(open(FILENAME, 'r').read())
+  dat = OrderedDict(sorted(dat.items(), key=lambda i: i[0]))
+
+  cur = 0
+  while True:
+    sys.stdout.write("\x1Bc")
+
+    for i, (k, v) in enumerate(dat.items()):
+      prefix = "> " if cur == i else "  "
+      print((prefix + k).ljust(20) + "%.2f" % v)
+
+    key = sys.stdin.read(1)[0]
+
+    write = False
+    if key == "k":
+      cur = max(0, cur - 1)
+    elif key == "j":
+      cur = min(len(dat.keys()) - 1, cur + 1)
+    elif key == "l":
+      dat[dat.keys()[cur]] += 0.05
+      write = True
+    elif key == "h":
+      dat[dat.keys()[cur]] -= 0.05
+      write = True
+    elif key == "q":
+      break
+
+    if write:
+      open(FILENAME, 'w').write(json.dumps(dat))
+
+
+if __name__ == "__main__":
+  orig_settings = termios.tcgetattr(sys.stdin)
+  tty.setcbreak(sys.stdin)
+
+  try:
+    main()
+    termios.tcsetattr(sys.stdin, termios.TCSADRAIN, orig_settings)
+  except:
+    termios.tcsetattr(sys.stdin, termios.TCSADRAIN, orig_settings)
+    raise