mirror of https://github.com/google/pebble
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
# Copyright 2024 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from targets import STM32F4FlashProgrammer, STM32F7FlashProgrammer
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from swd_port import SerialWireDebugPort
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from ftdi_swd import FTDISerialWireDebug
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def get_device(board, reset=True, frequency=None):
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boards = {
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'silk_bb': (0x7893, 10E6, STM32F4FlashProgrammer),
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'robert_bb2': (0x7894, 3E6, STM32F7FlashProgrammer)
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}
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if board not in boards:
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raise Exception('Invalid board: {}'.format(board))
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usb_pid, default_frequency, board_ctor = boards[board]
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if not frequency:
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frequency = default_frequency
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ftdi = FTDISerialWireDebug(vid=0x0403, pid=usb_pid, interface=0, direction=0x1b,
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output_mask=0x02, reset_mask=0x40, frequency=frequency)
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swd_port = SerialWireDebugPort(ftdi, reset)
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return board_ctor(swd_port)
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def flash(board, hex_files):
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with get_device(board) as programmer:
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programmer.execute_loader()
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for hex_file in hex_files:
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programmer.load_hex(hex_file)
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programmer.reset_core()
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