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esp32: auto detect serial port

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Current default serial port used for flashing is
/dev/ttyUSB0. This changes that to automatically detect the device
serial port or uses the one exported to the environment.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
This commit is contained in:
Sylvio Alves 2021-07-28 19:42:57 -03:00 committed by Carles Cufí
parent ca26e7a3f7
commit b3bf6d854e
1 changed files with 15 additions and 11 deletions
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26
scripts/west_commands/runners/esp32.py
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@ -9,9 +9,9 @@ from os import path
from runners.core import ZephyrBinaryRunner, RunnerCaps
import os
import sys
class Esp32BinaryRunner(ZephyrBinaryRunner):
'''Runner front-end for espidf.'''
@ -53,8 +53,8 @@ class Esp32BinaryRunner(ZephyrBinaryRunner):
help='partition table load address')
parser.add_argument('--esp-app-address', default='0x10000',
help='application load address')
parser.add_argument('--esp-device', default='/dev/ttyUSB0',
help='serial port to flash, default /dev/ttyUSB0')
parser.add_argument('--esp-device', default=os.environ.get('ESPTOOL_PORT', None),
help='serial port to flash')
parser.add_argument('--esp-baud-rate', default='921600',
help='serial baud rate, default 921600')
parser.add_argument('--esp-flash-size', default='detect',
@ -92,22 +92,26 @@ class Esp32BinaryRunner(ZephyrBinaryRunner):
def do_run(self, command, **kwargs):
self.require(self.espidf)
bin_name = path.splitext(self.elf)[0] + path.extsep + 'bin'
cmd_flash = [self.espidf, '--chip', 'auto', '--port', self.device,
'--baud', self.baud, '--before', 'default_reset',
'--after', 'hard_reset', 'write_flash', '-u',
'--flash_mode', self.flash_mode,
'--flash_freq', self.flash_freq,
'--flash_size', self.flash_size]
cmd_flash = [self.espidf, '--chip', 'auto']
if self.device is not None:
cmd_flash.extend(['--port', self.device])
cmd_flash.extend(['--baud', self.baud])
cmd_flash.extend(['--before', 'default_reset'])
cmd_flash.extend(['--after', 'hard_reset', 'write_flash', '-u'])
cmd_flash.extend(['--flash_mode', self.flash_mode])
cmd_flash.extend(['--flash_freq', self.flash_freq])
cmd_flash.extend(['--flash_size', self.flash_size])
# Execute Python interpreter if calling a Python script
if self.espidf.lower().endswith(".py") and sys.executable:
cmd_flash.insert(0, sys.executable)
if self.bootloader_bin :
if self.bootloader_bin:
cmd_flash.extend([self.boot_address, self.bootloader_bin])
cmd_flash.extend([self.part_table_address, self.partition_table_bin])
cmd_flash.extend([self.app_address, bin_name])
else :
else:
cmd_flash.extend([self.boot_address, bin_name])
self.logger.info("Flashing esp32 chip on {} ({}bps)".