openmv/tools/usbd_vcp_test.py
2020-12-02 15:56:16 +02:00

15 lines
467 B
Python
Executable File

#!/usr/bin/env python2.7
import sys, serial, struct
port = '/dev/ttyACM0'
sp = serial.Serial(port, baudrate=115200, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE,
xonxoff=False, rtscts=False, stopbits=serial.STOPBITS_ONE, timeout=None, dsrdtr=True)
sp.setDTR(True) # dsrdtr is ignored on Windows.
sp.write("snap")
sp.flush()
size = struct.unpack('<L', sp.read(4))[0]
img = sp.read(size)
sp.close()
with open("img.jpg", "w") as f:
f.write(img)