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"""Serial bootloader interface. Implemented in sb_exec_v2.c
"""
import zigpy_znp.types as t
# Size of internal flash less 4 pages for boot loader,
# 6 pages for NV, & 1 page for lock bits.
IMAGE_SIZE = 0x40000 - 0x2000 - 0x3000 - 0x0800
IMAGE_CRC_OFFSET = 0x90
FLASH_WORD_SIZE = 4
class BootloaderStatus(t.enum8):
SUCCESS = 0
FAILURE = 1
INVALID_FCS = 2
INVALID_FILE = 3
FILESYSTEM_ERROR = 4
ALREADY_STARTED = 5
NO_RESPOSNE = 6
VALIDATE_FAILED = 7
CANCELED = 8
class BootloaderDeviceType(t.enum8):
CC2538 = 1
CC2530 = 2
class BootloaderRunMode(t.enum8):
# Read the code, not the spec
FORCE_BOOT = 0x10
FORCE_RUN = FORCE_BOOT ^ 0xFF
class UBL(t.CommandsBase, subsystem=t.Subsystem.UBL_FUNC):
WriteReq = t.CommandDef(
t.CommandType.AREQ,
0x01,
req_schema=(
(
t.Param("FlashWordAddr", t.uint16_t, "Write address, in flash words"),
t.Param(
"Data", t.TrailingBytes, "HandshakeRsp.BufferSize bytes of data"
),
)
),
)
WriteRsp = t.CommandDef(
t.CommandType.AREQ,
0x81,
rsp_schema=((t.Param("Status", BootloaderStatus, "Write status"),)),
)
ReadReq = t.CommandDef(
t.CommandType.AREQ,
0x02,
req_schema=(
t.Param("FlashWordAddr", t.uint16_t, "Read address, in flash words"),
),
)
ReadRsp = t.CommandDef(
t.CommandType.AREQ,
0x82,
rsp_schema=(
t.Param("Status", BootloaderStatus, "Read status"),
# These are missing if the request is bad
t.Param(
"FlashWordAddr",
t.uint16_t,
"Address read from, in flash words",
optional=True,
),
t.Param(
"Data",
t.TrailingBytes,
"HandshakeRsp.BufferSize bytes of data",
optional=True,
),
),
)
EnableReq = t.CommandDef(t.CommandType.AREQ, 0x03, req_schema=())
EnableRsp = t.CommandDef(
t.CommandType.AREQ,
0x83,
rsp_schema=(t.Param("Status", BootloaderStatus, "Enable status"),),
)
HandshakeReq = t.CommandDef(t.CommandType.AREQ, 0x04, req_schema=())
HandshakeRsp = t.CommandDef(
t.CommandType.AREQ,
0x84,
rsp_schema=(
t.Param("Status", BootloaderStatus, "Handshake status"),
t.Param("BootloaderRevision", t.uint32_t, "Bootloader revision"),
t.Param("DeviceType", BootloaderDeviceType, "Device type"),
t.Param("BufferSize", t.uint32_t, "Read/write buffer size"),
t.Param("PageSize", t.uint32_t, "Device page size"),
t.Param("BootloaderCodeRevision", t.uint32_t, "Bootloader code revision"),
),
)
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