EMF_Camp_Badge/.development/pyboard_util.py

101 lines
2.8 KiB
Python

from pyboard import Pyboard, PyboardError
import glob, sys, pyboard
_pyb = None
def get_pyb(args):
global _pyb
if not _pyb:
if not args.device:
args.device = find_tty()
# open the connection to the pyboard
try:
_pyb = Pyboard(args.device, args.baudrate, None, None, args.wait)
except PyboardError as er:
print(er)
sys.exit(1)
print("Connected to badge.")
return _pyb
def close_pyb():
global _pyb
if _pyb:
_pyb.close()
def stop_badge(args):
pyb = get_pyb(args)
print("stopping running app")
write_command(pyb, b'\r\x03\x03') # ctrl-C twice: interrupt any running program
def write_command(pyb, command):
flush_input(pyb)
pyb.serial.write(command)
flush_input(pyb)
def flush_input(pyb):
n = pyb.serial.inWaiting()
while n > 0:
pyb.serial.read(n)
n = pyb.serial.inWaiting()
def soft_reset(args):
pyb = get_pyb(args)
print("trying to soft reboot badge")
write_command(pyb, b'\x04') # ctrl-D: soft reset
#print("1")
data = pyb.read_until(1, b'soft reboot\r\n')
#print("2")
if data.endswith(b'soft reboot\r\n'):
print("Soft reboot was successful.")
else:
raise PyboardError('could not soft reboot')
def find_tty():
# Todo: find solution for windows, test in linux
for pattern in ['/dev/ttyACM*', '/dev/tty.usbmodem*']:
for path in glob.glob(pattern):
return path
print("Couldn't find badge tty - Please make it's plugged in and reset it if necessary")
sys.exit(1)
def run(args):
pyb = get_pyb(args)
print("executing %s" % args.paths)
print("----------------")
# run any command or file(s) - this is mostly a copy from pyboard.py
if args.command is not None or len(args.paths):
# we must enter raw-REPL mode to execute commands
# this will do a soft-reset of the board
try:
pyb.enter_raw_repl()
except PyboardError as er:
print(er)
pyb.close()
sys.exit(1)
def execbuffer(buf):
try:
ret, ret_err = pyb.exec_raw(buf, timeout=None, data_consumer=pyboard.stdout_write_bytes)
except PyboardError as er:
print(er)
pyb.close()
sys.exit(1)
except KeyboardInterrupt:
sys.exit(1)
if ret_err:
pyb.exit_raw_repl()
pyb.close()
pyboard.stdout_write_bytes(ret_err)
sys.exit(1)
# run any files
for filename in args.paths:
with open(filename, 'rb') as f:
pyfile = f.read()
execbuffer(pyfile)
# exiting raw-REPL just drops to friendly-REPL mode
pyb.exit_raw_repl()