tmc2130: Rename driver_BLANK_TIME_SELECT to driver_TBL

Use the field names from the trinamic specification.  This makes the
field similar to all the other driver_XXX config options.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

config/example-extras.cfg

@@ -937,7 +937,7 @@
 #   "stealthChop" mode.
 #driver_IHOLDDELAY: 8
 #driver_TPOWERDOWN: 0
-#driver_BLANK_TIME_SELECT: 1
+#driver_TBL: 1
 #driver_TOFF: 4
 #driver_HEND: 7
 #driver_HSTRT: 0
@@ -997,7 +997,7 @@
 #   "stealthChop" mode.
 #driver_IHOLDDELAY: 8
 #driver_TPOWERDOWN: 20
-#driver_BLANK_TIME_SELECT: 2
+#driver_TBL: 2
 #driver_TOFF: 3
 #driver_HEND: 0
 #driver_HSTRT: 5

docs/Config_Changes.md

@@ -6,6 +6,9 @@ All dates in this document are approximate.
 
 # Changes
 
+20190308: The "driver_BLANK_TIME_SELECT" field in [tmc2130] and
+[tmc2208] config sections has been renamed to "driver_TBL".
+
 20190308: The [tmc2660] config section has changed. A new
 sense_resistor config parameter must now be provided. The meaning of
 several of the driver_XXX parameters has changed.

klippy/extras/tmc2130.py

@@ -235,7 +235,7 @@ class TMC2130:
         set_config_field(config, "toff", 4)
         set_config_field(config, "hstrt", 0)
         set_config_field(config, "hend", 7)
-        set_config_field(config, "TBL", 1, "driver_BLANK_TIME_SELECT")
+        set_config_field(config, "TBL", 1)
         set_config_field(config, "intpol", True, "interpolate")
         set_config_field(config, "IHOLDDELAY", 8)
         set_config_field(config, "TPOWERDOWN", 0)

klippy/extras/tmc2208.py

@@ -295,7 +295,7 @@ class TMC2208:
         set_config_field(config, "toff", 3)
         set_config_field(config, "hstrt", 5)
         set_config_field(config, "hend", 0)
-        set_config_field(config, "TBL", 2, "driver_BLANK_TIME_SELECT")
+        set_config_field(config, "TBL", 2)
         set_config_field(config, "intpol", True, "interpolate")
         set_config_field(config, "IHOLDDELAY", 8)
         set_config_field(config, "TPOWERDOWN", 20)