def intrusive_cortex_m_probe_and_setup(options, adapter, openocd_rpc):
'-> (dap_info, mcu_info, openocd_rpc)'
o = openocd_rpc
mdetect = OpenOcdCortexMDetect(options, adapter, o)
# Try SWD first (read IDCODE), if that fails falllback to JTAG
# Use adapter_info and querying the adapters (e.g. cmsis-dap INFO_ID_CAPS command)
# to know whether the adapter supports SWD/JTAG
openocd_transport = 'swd'
try:
adapter = mdetect.openocd_init_for_detection(openocd_transport)
except (OpenOcdOpenFailedDuringInit,) as e:
raise CortexMProbeFatalError("can't open adapter: %r" % (e.args[0],))
except (AdapterDoesntSupportTransport, OpenOcdDoesntSupportTransportForAdapter):
try_jtag = True
except (ConnectionError):
# protocol or connection error
assert(o.pid is not None)
kill_ignore_echild(o.pid, signal.SIGTERM)
subprocess.call(['tmux', 'kill-session', '-t', tmux_session_name_for_adapter(adapter)])
time.sleep(0.01)
(o, openocd_newly_started_or_not) = openocd_rpc_for_adapter(adapter)
mdetect = OpenOcdCortexMDetect(options, adapter, o)
adapter = mdetect.openocd_init_for_detection(openocd_transport)
# OpenOCD limits 'flash bank' to config stage
# So declare_flash_bank is called afer openocd_init_for_detection() and before openocd_init_for_cortex_m()
try:
o.reset_halt()
except OpenOcdResetError as e:
raise CortexMProbeFatalError("Can't reset target CPU. Check your debug connection wiring, "
"target power and hardware reset signal wiring.")
dap_info = None
try:
dap_info = mdetect.detect_dap()
except OpenOcdCortexMDetectError as e:
try:
voltage = o.target_voltage()
except OpenOcdCommandNotSupportedError:
if voltage <= 1.5:
raise CortexMProbeFatalError('target voltage %f is too low. Check your debug connection wiring' %
(voltage,))
try_jtag = True
else:
try_jtag = False
if try_jtag:
openocd_transport = 'jtag'
try:
adapter = mdetect.openocd_init_for_detection(openocd_transport)
except (AdapterDoesntSupportTransport, OpenOcdDoesntSupportTransportForAdapter):
dap_info = None
else:
# protocol or connection error
assert(o.pid is not None)
kill_ignore_echild(o.pid, signal.SIGTERM)
subprocess.call(['tmux', 'kill-session', '-t', tmux_session_name_for_adapter(adapter)])
adapter = mdetect.openocd_init_for_detection(openocd_transport)
o.reset_init()
try:
dap_info = mdetect.detect_dap()
except OpenOcdCortexMDetectError:
dap_info = None
if dap_info is None:
raise CortexMProbeFatalError('failed to detect ARM Debug Access Port')
logging.info('dap_info: %r' % (HexDict(dap_info),))
# mcu_info: silicon vendor, MCU family, make, revision etc
try:
mcu_info = mdetect.detect_mcu(dap_info)
except OpenOcdCortexMDetectError:
o.openocd_shutdown()
waitpid_ignore_echild(o.pid)
raise
logging.info('mcu_info: %r' % (HexDict(mcu_info),))
# Don't attempt to 'init' OpenOCD twice, shutdown then re-launch instead
o.openocd_shutdown()
waitpid_ignore_echild(o.pid)
(o, openocd_newly_started_or_not) = openocd_rpc_for_adapter(adapter)
mdetect = OpenOcdCortexMDetect(options, adapter, o)
mdetect.openocd_init_for_cortex_m(openocd_transport, dap_info, mcu_info)
# OpenOCD gdbserver is up after 'init'
return (dap_info, mcu_info, o)
def intrusive_cortex_m_probe_and_setup(options, adapter, openocd_rpc):
'-> (dap_info, mcu_info, openocd_rpc)'
o = openocd_rpc
mdetect = OpenOcdCortexMDetect(options, adapter, o)
# Try SWD first (read IDCODE), if that fails falllback to JTAG
# Use adapter_info and querying the adapters (e.g. cmsis-dap INFO_ID_CAPS command)
# to know whether the adapter supports SWD/JTAG
openocd_transport = 'swd'
try:
adapter = mdetect.openocd_init_for_detection(openocd_transport)
except (OpenOcdOpenFailedDuringInit, ) as e:
raise CortexMProbeFatalError("can't open adapter: %r" % (e.args[0], ))
except (AdapterDoesntSupportTransport,
OpenOcdDoesntSupportTransportForAdapter):
try_jtag = True
except (ConnectionError):
# protocol or connection error
assert (o.pid is not None)
kill_ignore_echild(o.pid, signal.SIGTERM)
subprocess.call([
'tmux', 'kill-session', '-t',
tmux_session_name_for_adapter(adapter)
])
time.sleep(0.01)
(o, openocd_newly_started_or_not) = openocd_rpc_for_adapter(adapter)
mdetect = OpenOcdCortexMDetect(options, adapter, o)
adapter = mdetect.openocd_init_for_detection(openocd_transport)
# OpenOCD limits 'flash bank' to config stage
# So declare_flash_bank is called afer openocd_init_for_detection() and before openocd_init_for_cortex_m()
try:
o.reset_halt()
except OpenOcdResetError as e:
raise CortexMProbeFatalError(
"Can't reset target CPU. Check your debug connection wiring, "
"target power and hardware reset signal wiring.")
dap_info = None
try:
dap_info = mdetect.detect_dap()
except OpenOcdCortexMDetectError as e:
try:
voltage = o.target_voltage()
except OpenOcdCommandNotSupportedError:
if voltage <= 1.5:
raise CortexMProbeFatalError(
'target voltage %f is too low. Check your debug connection wiring'
% (voltage, ))
try_jtag = True
else:
try_jtag = False
if try_jtag:
openocd_transport = 'jtag'
try:
adapter = mdetect.openocd_init_for_detection(openocd_transport)
except (AdapterDoesntSupportTransport,
OpenOcdDoesntSupportTransportForAdapter):
dap_info = None
else:
# protocol or connection error
assert (o.pid is not None)
kill_ignore_echild(o.pid, signal.SIGTERM)
subprocess.call([
'tmux', 'kill-session', '-t',
tmux_session_name_for_adapter(adapter)
])
adapter = mdetect.openocd_init_for_detection(openocd_transport)
o.reset_init()
try:
dap_info = mdetect.detect_dap()
except OpenOcdCortexMDetectError:
dap_info = None
if dap_info is None:
raise CortexMProbeFatalError('failed to detect ARM Debug Access Port')
logging.info('dap_info: %r' % (HexDict(dap_info), ))
# mcu_info: silicon vendor, MCU family, make, revision etc
try:
mcu_info = mdetect.detect_mcu(dap_info)
except OpenOcdCortexMDetectError:
o.openocd_shutdown()
waitpid_ignore_echild(o.pid)
raise
logging.info('mcu_info: %r' % (HexDict(mcu_info), ))
# Don't attempt to 'init' OpenOCD twice, shutdown then re-launch instead
o.openocd_shutdown()
waitpid_ignore_echild(o.pid)
(o, openocd_newly_started_or_not) = openocd_rpc_for_adapter(adapter)
mdetect = OpenOcdCortexMDetect(options, adapter, o)
mdetect.openocd_init_for_cortex_m(openocd_transport, dap_info, mcu_info)
# OpenOCD gdbserver is up after 'init'
return (dap_info, mcu_info, o)
