Files
panda-meb/scripts/reflash_internal_panda.py
Adeeb Shihadeh 819fa5854e flashing speeeed (#2264)
* less sectors

* why are we taking baby steps

* revert

* cleanup

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Co-authored-by: Comma Device <device@comma.ai>
2025-08-31 16:47:03 -07:00

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()