def check_set_multi_node_index(self, interface):
# check if need to set different node index on multi-node processor and set if needed
if self.multi_node_index == self.multi_curnode_index_holder[0]:
return True
success = False
chk_retry_count = 0
out_value = None
while success is False:
if self.write_block(interface, WRITE_CURNODE_INDEX,
pack_8(self.multi_node_index), False):
data = self.read_block(interface, READ_CURNODE_INDEX, 1, 0,
False)
out_value = unpack_8(data) if data != None else None
if out_value == self.multi_node_index:
success = True
else:
chk_retry_count = chk_retry_count + 1
self.inc_read_error_count(interface)
if chk_retry_count <= MAX_RETRY_COUNT * 5:
self.node_log(interface, 'Error setting WRITE_CURNODE_INDEX, old={0}, new={1}, idx={2}, retry={3}'.\
format(self.multi_curnode_index_holder[0], self.multi_node_index, self.index, chk_retry_count))
gevent.sleep(0.025)
else:
self.node_log(interface, 'Error setting WRITE_CURNODE_INDEX, retry limit reached, old={0}, new={1}, idx={2}, retry={3}'.\
format(self.multi_curnode_index_holder[0], self.multi_node_index, self.index, chk_retry_count))
break
if success:
self.multi_curnode_index_holder[0] = self.multi_node_index
return success
def jump_to_bootloader(self, interface):
try:
if self.api_level >= 32:
self.node_log(interface, 'Sending JUMP_TO_BOOTLOADER message to serial node {0}'.format(self.index+1))
self.write_block(interface, JUMP_TO_BOOTLOADER, pack_8(0), False)
self.serial.flushInput()
time.sleep(0.1)
self.serial.flushInput()
self.serial.flushOutput()
self.serial.close()
except Exception as ex:
self.node_log(interface, 'Error sending JUMP_TO_BOOTLOADER message to serial node {0}: {1}'.format(self.index+1, ex))