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Currently only dfu and pyocd flashing are supported. Some boards such as Arduino Nano 33 BLE can be flashed via bossac which is released by Arduino repo. Find the installed Arudino version of bossac and flash using that tool. Signed-off-by: Nagesh Shamnur <nagesh.shamnur@huawei.com> Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
51 lines
1.9 KiB
Plaintext
51 lines
1.9 KiB
Plaintext
#@DESCRIPTION: class file to flash boards like Arduino Nano BLE which depends on bossac for flashing
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python do_flash_usb() {
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import shutil
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import subprocess
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import serial.tools.list_ports
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# Note: make sure the installed bossac is set to PATH before running flash_usb()
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# Check if bossac is avaiable for flashing
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origbbenv = d.getVar("BB_ORIGENV", False)
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bossac_path = shutil.which("bossac", path=origbbenv.getVar('PATH'))
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if not bossac_path:
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bb.fatal("ERROR: bossac not found, please install first and add to PATH")
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board = d.getVar('BOARD')
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if board == 'arduino_nano_33_ble':
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# find the serial port to which board is connected to
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for port in serial.tools.list_ports.comports():
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if 'Arduino Nano 33 BLE' in port.description:
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serial_port = port.device
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break
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else:
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bb.fatal("ERROR: board not connected for flashing. Connect via USB and enable permission to connected port")
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image = "%s/%s.bin" % (d.getVar('DEPLOY_DIR_IMAGE'), d.getVar('PN'))
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command = [bossac_path, '-p', serial_port , '-R', '-e', '-w', '-v', '-b', image]
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else:
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bb.fatal("ERROR: Unsupported board %s" % board)
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bb.note("command: %s" % command)
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bb.plain("Attempting to flash board: %s" % board)
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# Random failure are a possibility here, retry till there is a success for finite times
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for _ in range(10, 0, -1):
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try:
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subprocess.check_call(command)
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bb.plain("Bossac Flashing board: %s Success " % board)
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break
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except subprocess.CalledProcessError as e:
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bb.warn("Failed to flash %s (error code: %s). Retrying after 1 second..." % (board, e.returncode))
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time.sleep(1)
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}
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addtask do_flash_usb after do_deploy
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do_flash_usb[nostamp] = "1"
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do_flash_usb[vardepsexclude] = "BB_ORIGENV"
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