oss/tw88xx_utils
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add bus option

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This commit is contained in:
Patrick Moessler 2022-01-09 19:53:00 +01:00
parent d55e9e63f5
commit 1a03415e96
1 changed files with 13 additions and 3 deletions
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16
tw88xx_util.py
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@ -18,6 +18,11 @@ parser.add_argument('-j', '--jlink',
help='J-Link (serial) to use for SWD', help='J-Link (serial) to use for SWD',
default=None default=None
) )
parser.add_argument('-b', '--bus',
help='/dev/i2c bus number',
type=int
default=1
)
parser.add_argument('-t', '--type', parser.add_argument('-t', '--type',
help='TX88xx type', help='TX88xx type',
choices=('tw8836'), choices=('tw8836'),
@ -29,6 +34,10 @@ args = parser.parse_args()
if args.interface == 'swd': if args.interface == 'swd':
from i2c_interfaces import JLinkSwdI2CInterface from i2c_interfaces import JLinkSwdI2CInterface
i2c = JLinkSwdI2CInterface(jlink_serial=args.jlink) i2c = JLinkSwdI2CInterface(jlink_serial=args.jlink)
elif args.interface == 'dev':
from i2c_interfaces import DevI2CInterface
i2c = DevI2CInterface(bus=args.bus)
i2c.open() i2c.open()
if args.type == 'tw8836': if args.type == 'tw8836':
@ -45,9 +54,10 @@ if args.command == 'get_id':
elif args.command == 'dump_flash': elif args.command == 'dump_flash':
# tw88xx.prepare_flash_read(cmd=[0x03, 0x1a, 0x9d, 0x84], read_len=8) # tw88xx.prepare_flash_read(cmd=[0x03, 0x1a, 0x9d, 0x84], read_len=8)
tw88xx.execute_flash_cmd(cmd=[0xE9], read_len=0) tw88xx.execute_flash_cmd(cmd=[0xE9], read_len=0)
data=[] data = []
for block_start in range(0x1a9d84,0x1a9d84+480*480,8): for block_start in range(0x1a9d84, 0x1a9d84+480*480, 8):
block = tw88xx.execute_flash_cmd(cmd=[0x03, (block_start>>16) & 0xFF, (block_start>>8) & 0xFF, block_start& 0xFF], read_len=8, data=[0x5a]*8) block = tw88xx.execute_flash_cmd(cmd=[0x03, (block_start >> 16) & 0xFF,
(block_start >> 8) & 0xFF, block_start & 0xFF], read_len=8, data=[0x5a]*8)
data.extend(block) data.extend(block)
print(f'{block_start:06x}: {block.hex()}') print(f'{block_start:06x}: {block.hex()}')