Files
dragonpilot/panda/scripts/reflash_internal_panda.py
Vehicle Researcher 161005a0c1 openpilot v0.10.2 release
date: 2025-11-19T19:10:11
master commit: a29fdbd02407d41ecbcc69d151bb4837bfba3cbc
2025-11-19 19:10:16 -08:00

41 lines
947 B
Python
Executable File

#!/usr/bin/env python3
import time
from panda import Panda, PandaDFU
class GPIO:
STM_RST_N = 124
STM_BOOT0 = 134
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_init(pin, True)
# flash bootstub
print("resetting into DFU")
gpio_set(GPIO.STM_RST_N, 1)
gpio_set(GPIO.STM_BOOT0, 1)
time.sleep(0.2)
gpio_set(GPIO.STM_RST_N, 0)
gpio_set(GPIO.STM_BOOT0, 0)
# bootstub flash takes 2s and is limited by the 255 byte flashing chunk size
print("flashing bootstub")
assert Panda.wait_for_dfu(None, 5)
PandaDFU(None).recover()
print("flashing app")
assert Panda.wait_for_panda(None, 5)
p = Panda()
assert p.bootstub
p.flash()