def set_firmware_region_pointer(self, chip_id, region_name):
'''
USBC001001 TPS6598x chip reboot with firmware in region0 or region1.
Args:
chip_id: string, ["XA", "XB"].
region_name: string, ['region0', 'region1'], in TI's definition, TPS6598x firmware have two
regions and save in different flash memory.
Returns:
None.
Raise:
Usbc001001Exception, register write fail.
Examples:
usbc001001.set_firmware_region_pointer('XA', region1')\r\n
'''
assert chip_id in USBC001001Def.USBC_ID
assert region_name in [
USBC001001Def.REGION0_NAME, USBC001001Def.REGION1_NAME
]
if region_name == USBC001001Def.REGION0_NAME:
new_pointer = REGION0.APP_START_ADDR
else:
new_pointer = REGION1.APP_START_ADDR
header_addr = REGION0.HEADER_ADDR
# change write start address
if 'Success' != hi_functions.FLem(self.tps6598x[chip_id], header_addr,
1):
raise Usbc001001Exception("change write start address fail")
# write new pointer twice
if 'Success' != hi_functions.FLad(self.tps6598x[chip_id], header_addr):
raise Usbc001001Exception("FLad function write new pointer fail")
if 'Success' != hi_functions.FLwd(self.tps6598x[chip_id],
self._int_2_byte_array(new_pointer)):
raise Usbc001001Exception("FLwd function write new pointer fail")
if 'Success' != hi_functions.FLad(self.tps6598x[chip_id], header_addr):
raise Usbc001001Exception("FLad function write new pointer fail")
if 'Success' != hi_functions.FLwd(self.tps6598x[chip_id],
self._int_2_byte_array(new_pointer)):
raise Usbc001001Exception("FLwd function write new pointer fail")
# set app offset with 0, in address=hearder_addr + 0x1000 - 4
if 'Success' != hi_functions.FLad(
self.tps6598x[chip_id],
header_addr + USBC001001Def.HEADER_OFFSET):
raise Usbc001001Exception("FLad function set app offset fail")
if 'Success' != hi_functions.FLwd(
self.tps6598x[chip_id],
USBC001001Def.FLWD_OFFSET_CONFIG_ARRAY):
raise Usbc001001Exception("FLwd function set app offset fail")
# reset
self._GAID(chip_id)
def _flash_write(self, chip_id, region, file_name):
with open(file_name, 'rb') as fd:
file_size = os.path.getsize(file_name)
file_data = fd.read(USBC001001Def.FLASH_WRITE_PAGE_SIZE)
write_addr = region.APP_START_ADDR
while file_data:
if 'Success' != hi_functions.FLad(self.tps6598x[chip_id],
write_addr):
raise Usbc001001Exception(
"FLad function gets wrong when doing flash writing")
if 'Success' != hi_functions.FLwd(self.tps6598x[chip_id],
array('B', file_data)):
raise Usbc001001Exception(
"FLwd function gets wrong when doing flash writing")
write_addr += len(file_data)
file_data = fd.read(USBC001001Def.FLASH_WRITE_PAGE_SIZE)
# Progress information printing
if 0 == ((write_addr - region.APP_START_ADDR) %
USBC001001Def.FIRMWARE_DIV_SIZE):
print('Flash written: %d %%' %
(USBC001001Def.FLOAT_TO_PERCENT *
(write_addr - region.APP_START_ADDR) / file_size))
# updata header
if 'Success' != hi_functions.FLem(self.tps6598x[chip_id],
region.HEADER_ADDR, 1):
raise Usbc001001Exception("FLem function checks header wrong")
if 'Success' != hi_functions.FLad(self.tps6598x[chip_id],
region.HEADER_ADDR):
raise Usbc001001Exception("FLad function checks header wrong")
if 'Success' != hi_functions.FLwd(
self.tps6598x[chip_id],
self._int_2_byte_array(region.APP_START_ADDR)):
raise Usbc001001Exception("FLwd function checks header wrong")
# write again for insurance
if 'Success' != hi_functions.FLad(self.tps6598x[chip_id],
region.HEADER_ADDR):
raise Usbc001001Exception("FLad function checks header wrong")
if 'Success' != hi_functions.FLwd(
self.tps6598x[chip_id],
self._int_2_byte_array(region.APP_START_ADDR)):
raise Usbc001001Exception("FLwd function checks header wrong")
# set app offset with 0, in address=hearder_addr + 0x1000 - 4
if 'Success' != hi_functions.FLad(
self.tps6598x[chip_id],
region.HEADER_ADDR + USBC001001Def.HEADER_OFFSET):
raise Usbc001001Exception("FLad sets offset fail")
if 'Success' != hi_functions.FLwd(
self.tps6598x[chip_id],
USBC001001Def.FLWD_OFFSET_CONFIG_ARRAY):
raise Usbc001001Exception("FLwd sets offset fail")
def set_firmware_region_pointer(self, region_name):
'''
VDM001002 board TPS6598x chip reboot with firmware in region0 or region1.
Args:
region_name: string, ['region0', 'region1'], in TI's definition, TPS6598x firmware have two
regions and save in different flash memory.
Returns:
None.
Raise:
VDM001002Exception, register write fail.
Examples:
vdm.set_firmware_region_pointer('region1')\r\n
'''
assert region_name in [
VDM001002Def.REGION0_NAME, VDM001002Def.REGION1_NAME
]
if region_name == VDM001002Def.REGION0_NAME:
new_pointer = REGION0.APP_START_ADDR
else:
new_pointer = REGION1.APP_START_ADDR
header_addr = REGION0.HEADER_ADDR
# change write start address
if 'Success' != hi_functions.FLem(self.tps6598x, header_addr, 1):
raise VDM001002Exception("change write start address fail")
# write new pointer twice
if 'Success' != hi_functions.FLad(self.tps6598x, header_addr):
raise VDM001002Exception("FLad function write new pointer fail")
if 'Success' != hi_functions.FLwd(self.tps6598x,
self._int_2_byte_array(new_pointer)):
raise VDM001002Exception("FLwd function write new pointer fail")
if 'Success' != hi_functions.FLad(self.tps6598x, header_addr):
raise VDM001002Exception("FLad function write new pointer fail")
if 'Success' != hi_functions.FLwd(self.tps6598x,
self._int_2_byte_array(new_pointer)):
raise VDM001002Exception("FLwd function write new pointer fail")
# set app offset with 0, in address=hearder_addr + 0x1000 - 4
if 'Success' != hi_functions.FLad(
self.tps6598x, header_addr + VDM001002Def.HEADER_OFFSET):
raise VDM001002Exception("FLad function set app offset fail")
if 'Success' != hi_functions.FLwd(
self.tps6598x, VDM001002Def.FLWD_OFFSET_CONFIG_ARRAY):
raise VDM001002Exception("FLwd function set app offset fail")
# reset
self._GAID()