def start_dfu():
"""Start U-Boot's dfu shell command.
This also waits for the host-side USB enumeration process to complete.
Args:
None.
Returns:
Nothing.
"""
u_boot_utils.wait_until_file_open_fails(
env__usb_dev_port['host_usb_dev_node'], True)
fh = u_boot_utils.attempt_to_open_file(
env__usb_dev_port['host_usb_dev_node'])
if fh:
fh.close()
raise Exception('USB device present before dfu command invoked')
u_boot_console.log.action(
'Starting long-running U-Boot dfu shell command')
cmd = 'setenv dfu_alt_info "%s"' % env__dfu_config['alt_info']
u_boot_console.run_command(cmd)
cmd = 'dfu 0 ' + env__dfu_config['cmd_params']
u_boot_console.run_command(cmd, wait_for_prompt=False)
u_boot_console.log.action('Waiting for DFU USB device to appear')
fh = u_boot_utils.wait_until_open_succeeds(
env__usb_dev_port['host_usb_dev_node'])
fh.close()
def start_dfu():
"""Start U-Boot's dfu shell command.
This also waits for the host-side USB enumeration process to complete.
Args:
None.
Returns:
Nothing.
"""
fh = u_boot_utils.attempt_to_open_file(env__usb_dev_port["host_usb_dev_node"])
if fh:
fh.close()
raise Exception("USB device present before dfu command invoked")
u_boot_console.log.action("Starting long-running U-Boot dfu shell command")
cmd = 'setenv dfu_alt_info "%s"' % env__dfu_config["alt_info"]
u_boot_console.run_command(cmd)
cmd = "dfu 0 " + env__dfu_config["cmd_params"]
u_boot_console.run_command(cmd, wait_for_prompt=False)
u_boot_console.log.action("Waiting for DFU USB device to appear")
fh = u_boot_utils.wait_until_open_succeeds(env__usb_dev_port["host_usb_dev_node"])
fh.close()
def start_ums():
"""Start U-Boot's ums shell command.
This also waits for the host-side USB enumeration process to complete.
Args:
None.
Returns:
Nothing.
"""
u_boot_console.log.action(
'Starting long-running U-Boot ums shell command')
cmd = 'ums %s %s %s' % (tgt_usb_ctlr, tgt_dev_type, tgt_dev_id)
u_boot_console.run_command(cmd, wait_for_prompt=False)
u_boot_console.wait_for(re.compile('UMS: LUN.*[\r\n]'))
fh = u_boot_utils.wait_until_open_succeeds(host_ums_part_node)
u_boot_console.log.action('Reading raw data from UMS device')
fh.read(4096)
fh.close()
def start_ums():
"""Start U-Boot's ums shell command.
This also waits for the host-side USB enumeration process to complete.
Args:
None.
Returns:
Nothing.
"""
u_boot_console.log.action(
'Starting long-running U-Boot ums shell command')
cmd = 'ums %s %s %s' % (tgt_usb_ctlr, tgt_dev_type, tgt_dev_id)
u_boot_console.run_command(cmd, wait_for_prompt=False)
u_boot_console.wait_for(re.compile('UMS: LUN.*[\r\n]'))
fh = u_boot_utils.wait_until_open_succeeds(host_ums_part_node)
u_boot_console.log.action('Reading raw data from UMS device')
fh.read(4096)
fh.close()
def start_dfu():
"""Start U-Boot's dfu shell command.
This also waits for the host-side USB enumeration process to complete.
Args:
None.
Returns:
Nothing.
"""
u_boot_utils.wait_until_file_open_fails(
env__usb_dev_port['host_usb_dev_node'], True)
fh = u_boot_utils.attempt_to_open_file(
env__usb_dev_port['host_usb_dev_node'])
if fh:
fh.close()
raise Exception('USB device present before dfu command invoked')
u_boot_console.log.action(
'Starting long-running U-Boot dfu shell command')
dfu_alt_info_env = env__dfu_config.get('alt_info_env_name', \
'dfu_alt_info')
cmd = 'setenv "%s" "%s"' % (dfu_alt_info_env,
env__dfu_config['alt_info'])
u_boot_console.run_command(cmd)
cmd = 'dfu 0 ' + env__dfu_config['cmd_params']
u_boot_console.run_command(cmd, wait_for_prompt=False)
u_boot_console.log.action('Waiting for DFU USB device to appear')
fh = u_boot_utils.wait_until_open_succeeds(
env__usb_dev_port['host_usb_dev_node'])
fh.close()
