def flash(self):
"""
Takes the currently active tab, compiles the Python script therein into
a hex file and flashes it all onto the connected device.
"""
# Grab the Python script.
tab = self._view.current_tab
if tab is None:
# There is no active text editor.
return
python_script = tab.text().encode('utf-8')
# Generate a hex file.
python_hex = uflash.hexlify(python_script)
micropython_hex = uflash.embed_hex(uflash._RUNTIME, python_hex)
path_to_microbit = uflash.find_microbit()
if path_to_microbit:
hex_file = os.path.join(path_to_microbit, 'micropython.hex')
uflash.save_hex(micropython_hex, hex_file)
message = 'Flashing "{}" onto the micro:bit.'.format(tab.label)
information = ("When the yellow LED stops flashing the device"
" will restart and your script will run. If there"
" is an error, you'll see a helpful message scroll"
" across the device's display.")
self._view.show_message(message, information, 'Information')
else:
message = 'Could not find an attached BBC micro:bit.'
self._view.show_message(message)
def flash(self):
"""
Takes the currently active tab, compiles the Python script therein into
a hex file and flashes it all onto the connected device.
"""
# Grab the Python script.
tab = self._view.current_tab
if tab is None:
# There is no active text editor
return
python_script = tab.text().encode("utf-8")
# Generate a hex file
python_hex = uflash.hexlify(python_script)
micropython_hex = uflash.embed_hex(uflash._RUNTIME, python_hex)
path_to_microbit = uflash.find_microbit()
if path_to_microbit:
hex_file = os.path.join(path_to_microbit, "micropython.hex")
uflash.save_hex(micropython_hex, hex_file)
message = 'Flashing "{}" onto the micro:bit.'.format(tab.label)
information = (
"When the yellow LED stops flashing the device"
" will restart and your script will run. If there"
" is an error, you'll see a helpful message scroll"
" across the device's display."
)
self._view.show_message(message, information, "Information")
else:
message = "Could not find an attached BBC micro:bit."
self._view.show_message(message)
def flash(self):
"""
Takes the currently active tab, compiles the Python script therein into
a hex file and flashes it all onto the connected device.
"""
logger.info('Flashing script')
# Grab the Python script.
tab = self._view.current_tab
if tab is None:
# There is no active text editor.
return
python_script = tab.text().encode('utf-8')
logger.debug('Python script:')
logger.debug(python_script)
if len(python_script) >= 8192:
message = 'Unable to flash "{}"'.format(tab.label)
information = ("Your script is too long!")
self._view.show_message(message, information, 'Warning')
return
# Generate a hex file.
python_hex = uflash.hexlify(python_script)
logger.debug('Python hex:')
logger.debug(python_hex)
micropython_hex = uflash.embed_hex(uflash._RUNTIME, python_hex)
# Determine the location of the BBC micro:bit. If it can't be found
# fall back to asking the user to locate it.
path_to_microbit = uflash.find_microbit()
if path_to_microbit is None:
# Has the path to the device already been specified?
if self.user_defined_microbit_path:
path_to_microbit = self.user_defined_microbit_path
else:
# Ask the user to locate the device.
path_to_microbit = self._view.get_microbit_path(HOME_DIRECTORY)
# Store the user's specification of the path for future use.
self.user_defined_microbit_path = path_to_microbit
logger.debug('User defined path to micro:bit: {}'.format(
self.user_defined_microbit_path))
# Check the path and that it exists simply because the path maybe based
# on stale data.
logger.debug('Path to micro:bit: {}'.format(path_to_microbit))
if path_to_microbit and os.path.exists(path_to_microbit):
logger.debug('Flashing to device.')
hex_file = os.path.join(path_to_microbit, 'micropython.hex')
uflash.save_hex(micropython_hex, hex_file)
message = 'Flashing "{}" onto the micro:bit.'.format(tab.label)
information = ("When the yellow LED stops flashing the device"
" will restart and your script will run. If there"
" is an error, you'll see a helpful message scroll"
" across the device's display.")
self._view.show_message(message, information, 'Information')
else:
# Reset user defined path since it's incorrect.
self.user_defined_microbit_path = None
# Try to be helpful... essentially there is nothing Mu can do but
# prompt for patience while the device is mounted and/or do the
# classic "have you tried switching it off and on again?" trick.
# This one's for James at the Raspberry Pi Foundation. ;-)
message = 'Could not find an attached BBC micro:bit.'
information = ("Please ensure you leave enough time for the BBC"
" micro:bit to be attached and configured correctly"
" by your computer. This may take several seconds."
" Alternatively, try removing and re-attaching the"
" device or saving your work and restarting Mu if"
" the device remains unfound.")
self._view.show_message(message, information)
def flash(self):
"""
Takes the currently active tab, compiles the Python script therein into
a hex file and flashes it all onto the connected device.
"""
logger.info('Flashing script')
# Grab the Python script.
tab = self._view.current_tab
if tab is None:
# There is no active text editor.
return
python_script = tab.text().encode('utf-8')
logger.debug('Python script:')
logger.debug(python_script)
if len(python_script) >= 8192:
message = 'Unable to flash "{}"'.format(tab.label)
information = ("Your script is too long!.")
self._view.show_message(message, information, 'Warning')
return
# Generate a hex file.
python_hex = uflash.hexlify(python_script)
logger.debug('Python hex:')
logger.debug(python_hex)
micropython_hex = uflash.embed_hex(uflash._RUNTIME, python_hex)
# Determine the location of the BBC micro:bit. If it can't be found
# fall back to asking the user to locate it.
path_to_microbit = uflash.find_microbit()
if path_to_microbit is None:
# Has the path to the device already been specified?
if self.user_defined_microbit_path:
path_to_microbit = self.user_defined_microbit_path
else:
# Ask the user to locate the device.
path_to_microbit = self._view.get_microbit_path(HOME_DIRECTORY)
# Store the user's specification of the path for future use.
self.user_defined_microbit_path = path_to_microbit
logger.debug('User defined path to micro:bit: {}'.format(
self.user_defined_microbit_path))
# Check the path and that it exists simply because the path maybe based
# on stale data.
logger.debug('Path to micro:bit: {}'.format(path_to_microbit))
if path_to_microbit and os.path.exists(path_to_microbit):
logger.debug('Flashing to device.')
hex_file = os.path.join(path_to_microbit, 'micropython.hex')
uflash.save_hex(micropython_hex, hex_file)
message = 'Flashing "{}" onto the micro:bit.'.format(tab.label)
information = ("When the yellow LED stops flashing the device"
" will restart and your script will run. If there"
" is an error, you'll see a helpful message scroll"
" across the device's display.")
self._view.show_message(message, information, 'Information')
else:
# Reset user defined path since it's incorrect.
self.user_defined_microbit_path = None
# Try to be helpful... essentially there is nothing Mu can do but
# prompt for patience while the device is mounted and/or do the
# classic "have you tried switching it off and on again?" trick.
# This one's for James at the Raspberry Pi Foundation. ;-)
message = 'Could not find an attached BBC micro:bit.'
information = ("Please ensure you leave enough time for the BBC"
" micro:bit to be attached and configured correctly"
" by your computer. This may take several seconds."
" Alternatively, try removing and re-attaching the"
" device or saving your work and restarting Mu if"
" the device remains unfound.")
self._view.show_message(message, information)