Replaced asserts with warnings, added slave functions

Author: laurentva

pypozyx/definitions/constants.py

@@ -62,11 +62,15 @@ class PozyxConstants:
     GPIO_PUSH_PULL = 1
     GPIO_OPEN_DRAIN = 1
 
+    ALL_GPIO_MODES = [GPIO_DIGITAL_INPUT, GPIO_PUSH_PULL, GPIO_OPEN_DRAIN]
+
     # The GPIO pull resistor configuration
     GPIO_NO_PULL = 0
     GPIO_PULL_UP = 1
     GPIO_PULL_DOWN = 2
 
+    ALL_GPIO_PULLS = [GPIO_NO_PULL, GPIO_PULL_UP, GPIO_PULL_DOWN]
+
     # anchor selection modes
     ANCHOR_SELECT_MANUAL = 0
     ANCHOR_SELECT_AUTO = 1
@@ -76,11 +80,15 @@ class PozyxConstants:
     DISCOVERY_TAGS_ONLY = 1
     DISCOVERY_ALL_DEVICES = 2
 
+    DISCOVERY_TYPES = [DISCOVERY_ALL_DEVICES, DISCOVERY_ANCHORS_ONLY, DISCOVERY_TAGS_ONLY]
+
     # Pozyx positioning dimensions
     DIMENSION_3D = 3
     DIMENSION_2D = 2
     DIMENSION_2_5D = 1
 
+    DIMENSIONS = [DIMENSION_3D, DIMENSION_2D, DIMENSION_2_5D]
+
     # positioning algorithm options
     POSITIONING_ALGORITHM_UWB_ONLY = 0
     POSITIONING_ALGORITHM_TRACKING = 4
@@ -93,12 +101,16 @@ class PozyxConstants:
     RANGE_PROTOCOL_FAST = 0x01
     RANGE_PROTOCOL_TEST = 0x02
 
+    RANGING_PROTOCOLS = [RANGE_PROTOCOL_PRECISION, RANGE_PROTOCOL_FAST]
+
     # positioning filters
     FILTER_TYPE_NONE = 0
     FILTER_TYPE_FIR = 1
     FILTER_TYPE_MOVING_AVERAGE = 3
     FILTER_TYPE_MOVING_MEDIAN = 4
 
+    FILTER_TYPES = [FILTER_TYPE_NONE, FILTER_TYPE_FIR, FILTER_TYPE_MOVING_AVERAGE, FILTER_TYPE_MOVING_MEDIAN]
+
     # how to intercept pozyx events: by polling or by interrupts
     MODE_POLLING = 0
     MODE_INTERRUPT = 1
@@ -121,6 +133,8 @@ class PozyxConstants:
     FLASH_SAVE_NETWORK = 3
     FLASH_SAVE_ALL = 4
 
+    ALL_FLASH_SAVE_TYPES = [FLASH_SAVE_REGISTERS, FLASH_SAVE_ANCHOR_IDS, FLASH_SAVE_NETWORK, FLASH_SAVE_ALL]
+
     # possible pin configuration settings
     INTERRUPT_CONFIG = 0x24
     PIN_MODE_PUSH_PULL = 0