Pt100: new option pt100_config --initialize

diff --git a/sensors/pt100-board-python-package/pt100_board/pt100_config.py b/sensors/pt100-board-python-package/pt100_board/pt100_config.py
index 796439cbc681e483551a3a738636ca1952ae9d83..2f1d481d26bfa2aa48034102e3a28cdc6e3f86f6 100755 (executable)
--- a/sensors/pt100-board-python-package/pt100_board/pt100_config.py
+++ b/sensors/pt100-board-python-package/pt100_board/pt100_config.py
@@ -47,6 +47,7 @@ def main():
     parser.add_argument('--write-eeprom', type=parse_uint, metavar=('ADDR','VALUE'), nargs=2, help='write uint16 value to address in eeprom; first arg: ADDR, second: VALUE')
     parser.add_argument('--period', type=float, help='Set conversion period in ms')
     parser.add_argument('--average', type=parse_uint, help='Number of temperature values to average over (1 to 16, reduces the output frequency).')
+    parser.add_argument('--initialize', action='store_true', help='Initialize a new board with sensible default EEPROM values. Use with caution.')
     parser.add_argument('--reload-configuration', '-r', action='store_true', help='Reload the configuration of the board')
     args = parser.parse_args()
 
@@ -100,6 +101,24 @@ def main():
         print('Setting the period to %d ms' % (value * scaling))
         write_register(args.board_id, address, value)
 
+    if args.initialize:
+        print('Do you really want to initialize the board with a new set of EEPROM configuration data?')
+        print('Your current values will be lost!!! This only makes sense for brand new boards!')
+        input('Press enter to continue or Ctrl-c to abort.')
+        for i in range(8):
+            write_register(args.board_id, i, 0x57)
+        write_register(args.board_id, 0x8, 0xffff)
+        write_register(args.board_id, 0x9, 0xd211)
+        write_register(args.board_id, 0xa, 250)
+        write_register(args.board_id, 0xb, 0x1)
+        write_register(args.board_id, 0xc, 0x1)
+        print("Done initializing the EEPROM")
+        if not args.reload_configuration:
+            print("You didn't choose to reload the configuration. The new values will only be used once reloaded or power cycled.")
+            print("Consider using the -r option.")
+        else:
+            time.sleep(0.1)
+
     if args.reload_configuration:
         send('WR{:1X}0000000\n'.format(args.board_id))