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MarlinFirmware/buildroot/share/atom/create_custom_upload_command_CDC.py

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#
# Builds custom upload command
# 1) Run platformio as a subprocess to find a COM port
# 2) Build the upload command
# 3) Exit and let upload tool do the work
#
# This script runs between completion of the library/dependencies installation and compilation.
#
# Will continue on if a COM port isn't found so that the compilation can be done.
#
import sys
import subprocess
import platform
current_OS = platform.system()
from SCons.Script import DefaultEnvironment
env = DefaultEnvironment()
com_first = ''
com_last = ''
com_CDC = ''
description_first = ''
description_last = ''
description_CDC = ''
#
# grab the first com port that pops up unless we find one we know for sure
# is a CDC device
#
def get_com_port(com_search_text, descr_search_text, start):
global com_first
global com_last
global com_CDC
global description_first
global description_last
global description_CDC
print '\nLooking for Serial Port\n'
# stream output from subprocess and split it into lines
pio_subprocess = subprocess.Popen(['platformio', 'device', 'list'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
looking_for_description = False
for line in iter(pio_subprocess.stdout.readline, ''):
if 0 <= line.find(com_search_text):
looking_for_description = True
com_last = line.replace('\n', '')
if com_first == '':
com_first = com_last
if 0 <= line.find(descr_search_text) and looking_for_description:
looking_for_description = False
description_last = line[ start : ]
if description_first == '':
description_first = description_last
if 0 <= description_last.find('CDC'):
com_CDC = com_last
description_CDC = description_last
if com_CDC == '' and not(com_first == ''):
com_CDC = com_first
description_CDC = description_first
elif com_CDC == '':
com_CDC = 'COM_PORT_NOT_FOUND'
if com_CDC == 'COM_PORT_NOT_FOUND':
print com_CDC, '\n'
else:
print 'FOUND: ' ,com_CDC
print 'DESCRIPTION: ', description_CDC , '\n'
if current_OS == 'Windows':
get_com_port('COM', 'Hardware ID:', 13)
avrdude_conf_path = env.get("PIOHOME_DIR") + '\\packages\\toolchain-atmelavr\\etc\\avrdude.conf'
source_path = env.get("PROJECTBUILD_DIR") + '\\' + env.get("PIOENV") + '\\firmware.hex'
upload_string = 'avrdude -p usb1286 -c avr109 -P ' + com_CDC + ' -C ' + avrdude_conf_path + ' -U flash:w:' + source_path + ':i'
if current_OS == 'Darwin': # MAC
get_com_port('usbmodem', 'Description:', 13)
avrdude_conf_path = env.get("PIOHOME_DIR") + '/packages/toolchain-atmelavr/etc/avrdude.conf'
source_path = env.get("PROJECTBUILD_DIR") + '/' + env.get("PIOENV") + '/firmware.hex'
upload_string = 'avrdude -p usb1286 -c avr109 -P ' + com_CDC + ' -U flash:w:' + source_path + ':i'
if current_OS == 'Linux':
get_com_port('/dev/tty', 'Description:', 13)
avrdude_conf_path = env.get("PIOHOME_DIR") + '/packages/toolchain-atmelavr/etc/avrdude.conf'
source_path = env.get("PROJECTBUILD_DIR") + '/' + env.get("PIOENV") + '/firmware.hex'
upload_string = 'avrdude -p usb1286 -c avr109 -P ' + com_CDC + ' -U flash:w:' + source_path + ':i'
env.Replace(
UPLOADCMD = upload_string,
MAXIMUM_RAM_SIZE = 8192,
MAXIMUM_SIZE = 130048
)