From: Martin Ling Date: Sun, 21 Apr 2013 14:46:48 +0000 (+0100) Subject: python: Add classes for probes and probe groups. X-Git-Tag: libsigrok-0.3.0~581 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=417e9f3ab427ceb61bde663e357b67dfdac09371;p=libsigrok.git python: Add classes for probes and probe groups. --- diff --git a/bindings/python/sigrok/core/classes.py b/bindings/python/sigrok/core/classes.py index 068fd394..4e012350 100644 --- a/bindings/python/sigrok/core/classes.py +++ b/bindings/python/sigrok/core/classes.py @@ -24,7 +24,8 @@ from . import lowlevel import itertools __all__ = ['Error', 'Context', 'Driver', 'Device', 'Session', 'Packet', 'Log', - 'LogLevel', 'PacketType', 'Quantity', 'Unit', 'QuantityFlag', 'ConfigKey'] + 'LogLevel', 'PacketType', 'Quantity', 'Unit', 'QuantityFlag', 'ConfigKey', + 'ProbeType', 'Probe', 'ProbeGroup'] class Error(Exception): @@ -146,6 +147,8 @@ class Device(object): def __init__(self, driver, struct): self.driver = driver self.struct = struct + self._probes = None + self._probe_groups = None def __getattr__(self, name): key = getattr(ConfigKey, name.upper()) @@ -182,6 +185,73 @@ class Device(object): def version(self): return self.struct.version + @property + def probes(self): + if self._probes is None: + self._probes = {} + probe_list = self.struct.probes + while (probe_list): + probe_ptr = void_ptr_to_sr_probe_ptr(probe_list.data) + self._probes[probe_ptr.name] = Probe(self, probe_ptr) + probe_list = probe_list.next + return self._probes + + @property + def probe_groups(self): + if self._probe_groups is None: + self._probe_groups = {} + probe_group_list = self.struct.probe_groups + while (probe_group_list): + probe_group_ptr = void_ptr_to_sr_probe_group_ptr( + probe_group_list.data) + self._probe_groups[probe_group_ptr.name] = ProbeGroup(self, + probe_group_ptr) + probe_group_list = probe_group_list.next + return self._probe_groups + +class Probe(object): + + def __init__(self, device, struct): + self.device = device + self.struct = struct + + @property + def type(self): + return ProbeType(self.struct.type) + + @property + def enabled(self): + return self.struct.enabled + + @property + def name(self): + return self.struct.name + +class ProbeGroup(object): + + def __init__(self, device, struct): + self.device = device + self.struct = struct + self._probes = None + + def __iter__(self): + return iter(self.probes) + + @property + def name(self): + return self.struct.name + + @property + def probes(self): + if self._probes is None: + self._probes = [] + probe_list = self.struct.probes + while (probe_list): + probe_ptr = void_ptr_to_sr_probe_ptr(probe_list.data) + self._probes.append(Probe(self, probe_ptr)) + probe_list = probe_list.next + return self._probes + class Session(object): def __init__(self, context): @@ -235,7 +305,7 @@ class Packet(object): void_ptr_to_sr_datafeed_analog_ptr(pointer)) else: raise NotImplementedError( - "No Python mapping for packet type %ѕ" % self.struct.type) + "No Python mapping for packet type %s" % self.struct.type) return self._payload class Logic(object): @@ -337,6 +407,9 @@ class QuantityFlag(EnumValue): class ConfigKey(EnumValue): pass +class ProbeType(EnumValue): + pass + for symbol_name in dir(lowlevel): for prefix, cls in [ ('SR_LOG_', LogLevel), @@ -344,7 +417,8 @@ for symbol_name in dir(lowlevel): ('SR_MQ_', Quantity), ('SR_UNIT_', Unit), ('SR_MQFLAG_', QuantityFlag), - ('SR_CONF_', ConfigKey)]: + ('SR_CONF_', ConfigKey), + ('SR_PROBE_', ProbeType)]: if symbol_name.startswith(prefix): name = symbol_name[len(prefix):] value = getattr(lowlevel, symbol_name) diff --git a/bindings/swig/libsigrok.i b/bindings/swig/libsigrok.i index 9bfb779e..d18df516 100644 --- a/bindings/swig/libsigrok.i +++ b/bindings/swig/libsigrok.i @@ -64,3 +64,5 @@ GVariant *g_variant_get_child_value(GVariant *value, unsigned long index); %pointer_cast(gpointer, struct sr_dev_inst *, gpointer_to_sr_dev_inst_ptr); %pointer_cast(void *, struct sr_datafeed_logic *, void_ptr_to_sr_datafeed_logic_ptr) %pointer_cast(void *, struct sr_datafeed_analog *, void_ptr_to_sr_datafeed_analog_ptr) +%pointer_cast(void *, struct sr_probe *, void_ptr_to_sr_probe_ptr) +%pointer_cast(void *, struct sr_probe_group *, void_ptr_to_sr_probe_group_ptr)