| # Copyright (c) 2017 Linaro Limited. |
| # Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| '''Runner for flashing ESP32 devices with esptool/espidf.''' |
| |
| from os import path |
| |
| from runners.core import ZephyrBinaryRunner, RunnerCaps |
| |
| import os |
| import sys |
| |
| class Esp32BinaryRunner(ZephyrBinaryRunner): |
| '''Runner front-end for espidf.''' |
| |
| def __init__(self, cfg, device, boot_address, part_table_address, |
| app_address, erase=False, baud=921600, flash_size='detect', |
| flash_freq='40m', flash_mode='dio', espidf='espidf', |
| bootloader_bin=None, partition_table_bin=None): |
| super().__init__(cfg) |
| self.elf = cfg.elf_file |
| self.app_bin = cfg.bin_file |
| self.erase = bool(erase) |
| self.device = device |
| self.boot_address = boot_address |
| self.part_table_address = part_table_address |
| self.app_address = app_address |
| self.baud = baud |
| self.flash_size = flash_size |
| self.flash_freq = flash_freq |
| self.flash_mode = flash_mode |
| self.espidf = espidf |
| self.bootloader_bin = bootloader_bin |
| self.partition_table_bin = partition_table_bin |
| |
| @classmethod |
| def name(cls): |
| return 'esp32' |
| |
| @classmethod |
| def capabilities(cls): |
| return RunnerCaps(commands={'flash'}, erase=True) |
| |
| @classmethod |
| def do_add_parser(cls, parser): |
| # Required |
| parser.add_argument('--esp-idf-path', required=True, |
| help='path to ESP-IDF') |
| # Optional |
| parser.add_argument('--esp-boot-address', default='0x1000', |
| help='bootloader load address') |
| parser.add_argument('--esp-partition-table-address', default='0x8000', |
| help='partition table load address') |
| parser.add_argument('--esp-app-address', default='0x10000', |
| help='application load address') |
| 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', |
| help='flash size, default "detect"') |
| parser.add_argument('--esp-flash-freq', default='40m', |
| help='flash frequency, default "40m"') |
| parser.add_argument('--esp-flash-mode', default='dio', |
| help='flash mode, default "dio"') |
| parser.add_argument( |
| '--esp-tool', |
| help='''if given, complete path to espidf. default is to search for |
| it in [ESP_IDF_PATH]/components/esptool_py/esptool/esptool.py''') |
| parser.add_argument('--esp-flash-bootloader', |
| help='Bootloader image to flash') |
| parser.add_argument('--esp-flash-partition_table', |
| help='Partition table to flash') |
| |
| @classmethod |
| def do_create(cls, cfg, args): |
| if args.esp_tool: |
| espidf = args.esp_tool |
| else: |
| espidf = path.join(args.esp_idf_path, 'components', 'esptool_py', |
| 'esptool', 'esptool.py') |
| |
| return Esp32BinaryRunner( |
| cfg, args.esp_device, boot_address=args.esp_boot_address, |
| part_table_address=args.esp_partition_table_address, |
| app_address=args.esp_app_address, erase=args.erase, |
| baud=args.esp_baud_rate, flash_size=args.esp_flash_size, |
| flash_freq=args.esp_flash_freq, flash_mode=args.esp_flash_mode, |
| espidf=espidf, bootloader_bin=args.esp_flash_bootloader, |
| partition_table_bin=args.esp_flash_partition_table) |
| |
| def do_run(self, command, **kwargs): |
| self.require(self.espidf) |
| |
| # Add Python interpreter |
| cmd_flash = [sys.executable, self.espidf, '--chip', 'auto'] |
| |
| if self.erase is True: |
| cmd_erase = cmd_flash + ['erase_flash'] |
| self.check_call(cmd_erase) |
| |
| 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]) |
| |
| if self.bootloader_bin: |
| cmd_flash.extend([self.boot_address, self.bootloader_bin]) |
| if self.partition_table_bin: |
| cmd_flash.extend([self.part_table_address, self.partition_table_bin]) |
| cmd_flash.extend([self.app_address, self.app_bin]) |
| else: |
| cmd_flash.extend([self.app_address, self.app_bin]) |
| |
| self.logger.info("Flashing esp32 chip on {} ({}bps)". |
| format(self.device, self.baud)) |
| self.check_call(cmd_flash) |
