utzig commented on a change in pull request #2144: OTP Tool: Support BLE Addr
and HWID
URL: https://github.com/apache/mynewt-core/pull/2144#discussion_r363934099
##########
File path: hw/bsp/dialog_da1469x-dk-pro/otp_tool.py
##########
@@ -605,6 +615,141 @@ def test_alive_target(uart):
SystemExit("Successfully communicated with target")
[email protected]('-u', '--uart', required=True, help='uart port')
[email protected](help='Read the BLE Address of the device')
+def otp_read_ble_addr(uart):
+ try:
+ ser = serial.Serial(port=uart, baudrate=1000000, timeout=1,
+ bytesize=8, stopbits=serial.STOPBITS_ONE)
+ except serial.SerialException:
+ raise SystemExit("Failed to open serial port")
+
+ cmd = cmd_no_payload(0xaa55aa55, Cmd.READ_BLEADDR)
+ msg = struct.pack('II', *cmd)
+
+ try:
+ ser.write(msg)
+ except serial.SerialException:
+ raise SystemExit("Failed to write to %s" % uart)
+
+ data = read_exact(ser, 16)
+ response = cmd_response._make(struct.unpack_from('IIII', data))
+ if response.status == 0:
+ # BLE Addr is 48 bits long, read as 2 uint32_t values
+ ble_words = struct.unpack_from('II', ser.read(8))
+ print("BLE Addr - Low Word:" + hex(ble_words[0])
+ + " High Word:" + hex(ble_words[1]))
+ else:
+ raise SystemExit("Error reading BLE Addr with status %s" %
+ hex(response.status))
+
+
[email protected]('-u', '--uart', required=True, help='uart port')
[email protected](help='Generate and program the BLE Address of the device')
+def otp_write_ble_addr(uart):
+ try:
+ ser = serial.Serial(port=uart, baudrate=1000000, timeout=1,
+ bytesize=8, stopbits=serial.STOPBITS_ONE)
+ except serial.SerialException:
+ raise SystemExit("Failed to open serial port")
+
+ cmd = cmd_no_payload(0xaa55aa55, Cmd.GEN_BLEADDR)
+ msg = struct.pack('II', *cmd)
+
+ try:
+ ser.write(msg)
+ except serial.SerialException:
+ raise SystemExit("Failed to write %s" % uart)
+
+ data = read_exact(ser, 16)
+ response = cmd_response._make(struct.unpack_from('IIII', data))
+ if (response.status == 0 or response.status == 1):
+ ble_words = struct.unpack_from('II', ser.read(8))
+ if response.status == 0:
+ print("Newly programmed BLE Address")
+ elif response.status == 1:
+ print("Previously programmed")
+ print("BLE Addr - Low Word:" + hex(ble_words[0])
+ + " High Word:" + hex(ble_words[1]))
+ else:
+ raise SystemExit("Error generating/programming BLE Address")
+
+
[email protected]('-u', '--uart', required=True, help='uart port')
[email protected](help='Read the HWID of the device')
+def otp_read_hwid(uart):
+ try:
+ ser = serial.Serial(port=uart, baudrate=1000000, timeout=1,
+ bytesize=8, stopbits=serial.STOPBITS_ONE)
+ except serial.SerialException:
+ raise SystemExit("Failed to open serial port")
+
+ cmd = cmd_no_payload(0xaa55aa55, Cmd.READ_HWID)
+ msg = struct.pack('II', *cmd)
+
+ try:
+ ser.write(msg)
+ except serial.SerialException:
+ raise SystemExit("Failed to write to %s" % uart)
+
+ data = read_exact(ser, 16)
+ response = cmd_response._make(struct.unpack_from('IIII', data))
+
+ if response.status == 0:
+ ble_addr = ser.read(16)
+ print("HWID:" + ble_addr.hex())
+ else:
+ raise SystemExit("Error reading HWID with status %s" %
+ hex(response.status))
+
+
[email protected]('infile')
[email protected]('-u', '--uart', required=True, help='uart port')
[email protected](help='Write hardware ID into OTP')
+def otp_write_hwid(infile, uart):
+ hwid = bytearray()
+ hwid_len = 10
+ try:
+ with open(infile, "rb") as f:
+ # read hwid file
+ buf = f.read()
+
+ # Expect 10 byte HWID
+ if len(buf) != 10:
+ raise SystemExit("HWID has incorrect length")
Review comment:
You don't need to wrap the context manager inside a `try` block, just use
"Failed to read key from file" here and remove the `except` below.
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