Add openpilot tests

panda/tests/reflash_internal_panda.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+import time
+from panda import Panda, PandaDFU
+
+class GPIO:
+  STM_RST_N = 124
+  STM_BOOT0 = 134
+  HUB_RST_N = 30
+
+
+def gpio_init(pin, output):
+  with open(f"/sys/class/gpio/gpio{pin}/direction", 'wb') as f:
+    f.write(b"out" if output else b"in")
+
+def gpio_set(pin, high):
+  with open(f"/sys/class/gpio/gpio{pin}/value", 'wb') as f:
+    f.write(b"1" if high else b"0")
+
+
+if __name__ == "__main__":
+  for pin in (GPIO.STM_RST_N, GPIO.STM_BOOT0, GPIO.HUB_RST_N):
+    gpio_init(pin, True)
+
+  # reset USB hub
+  gpio_set(GPIO.HUB_RST_N, 0)
+  time.sleep(0.5)
+  gpio_set(GPIO.HUB_RST_N, 1)
+
+  # flash bootstub
+  print("resetting into DFU")
+  gpio_set(GPIO.STM_RST_N, 1)
+  gpio_set(GPIO.STM_BOOT0, 1)
+  time.sleep(1)
+  gpio_set(GPIO.STM_RST_N, 0)
+  gpio_set(GPIO.STM_BOOT0, 0)
+  time.sleep(1)
+
+  print("flashing bootstub")
+  PandaDFU(None).recover()
+
+  gpio_set(GPIO.STM_RST_N, 1)
+  time.sleep(0.5)
+  gpio_set(GPIO.STM_RST_N, 0)
+  time.sleep(1)
+
+  print("flashing app")
+  p = Panda()
+  assert p.bootstub
+  p.flash()