improvements when testing leiden

- triple current source
- software loop

cfg/addons/ah2700leiden_cfg.py

@@ -0,0 +1,20 @@
+Node('ah2700.frappy.psi.ch',
+     'Andeen Hagerlin 2700 Capacitance Bridge',
+)
+
+Mod('cap_io',
+    'frappy_psi.ah2700.Ah2700IO',
+    '',
+    uri='linse-leiden-ts:3002',
+    timeout=60,
+)
+
+# this creates also cap_freq and cap_loss
+Mod('cap',
+    'frappy_psi.ah2700.Capacitance',
+    'capacitance',
+    io = 'cap_io',
+    loss_name='loss',
+    freq_name='freq',
+)
+

cfg/main/leiden370_cfg.py

@@ -0,0 +1,110 @@
+Node('leiden370.config.sea.psi.ch',
+    '''30 K - Leidendil Pulsetube with ls370''',
+)
+Mod('sea_main',
+    'frappy_psi.sea.SeaClient',
+    'main sea connection for leiden370.config',
+    config = 'leiden370.config',
+    service = 'main',
+)
+
+for name in ['T3K', 'Tstill', 'T50mK', 'Tmxlow', 'Tmxhigh', 'Tmxcx', 'Tblueo',
+             'Tpt50', 'Tpt3high', 'Tpt3low', 'Twhite', 'Tgreen']:
+    mname = name.replace('T','T_')
+    Mod(mname,
+        'frappy_psi.sea.SeaReadable', '',
+        io='sea_main',
+        sea_object='tt',
+        rel_paths=[name],
+        value=Param(unit='K'),
+        extra_modules = ['raw'],
+    )
+    Mod(name.replace('T', 'R_'),
+        'frappy_psi.sea.SeaReadable', '',
+        io='sea_main',
+        value=Param(unit='Ohm'),
+        single_module=f'{mname}.raw'
+    )
+
+Mod('cmn',
+    'frappy_psi.sea.SeaReadable', '',
+    io = 'sea_main',
+    sea_object = 'cmn',
+    extra_modules = ['u1', 'u2', 'temp'],
+)
+
+Mod('T_cmn',
+    'frappy_psi.sea.SeaReadable', '',
+    io='sea_main',
+    value=Param(unit='K'),
+    single_module='cmn.temp',
+)
+
+Mod('V_fixp',
+    'frappy_psi.sea.SeaReadable', '',
+    io='sea_main',
+    value=Param(unit='V'),
+    single_module='cmn.u2',
+)
+
+Mod('V_cmn',
+    'frappy_psi.sea.SeaReadable', '',
+    io='sea_main',
+    value=Param(unit='V'),
+    single_module='cmn.u1',
+)
+
+Mod('tcs_io',
+    'frappy_psi.tcs.IO',
+    'tcs communication',
+    uri='linse-leiden-ts:3005',
+    )
+
+Mod('still_htr',
+    'frappy_psi.tcs.Heater',
+    'still heater',
+    io='tcs_io',
+    channel=2,
+    )
+
+Mod('mix_htr',
+    'frappy_psi.tcs.WrappedHeater',
+    'mixing chamber heater',
+    io='tcs_io',
+    channel=3,
+    )
+
+Mod('drive_mix',
+    'frappy_psi.picontrol.PIctrl',
+    'controlled temperature ',
+    input_module = 'T_mxlow',
+    output_module = 'mix_htr',
+    output_min = 0,
+    output_max = 0.02,
+    p = 5,
+    itime = 60,
+   )
+
+Mod('drive_cmn',
+    'frappy_psi.picontrol.PIctrl',
+    'controlled temperature ',
+    input_module = 'T_cmn',
+    output_module = 'mix_htr',
+    output_min = 0,
+    output_max = 1e-3,
+    p = 5,
+    itime = 120,
+   )
+
+Mod('drive_fixp',
+    'frappy_psi.picontrol.PI',
+    'controlled temperature ',
+    value=Param(unit='V'),
+    input_module = 'V_fixp',
+    output_module = 'drive_mix',
+    output_min = 0.0,
+    output_max = 0.01,
+    p = 1,
+    itime = 120,
+   )
+

cfg/sea/leiden370.config.json

@@ -0,0 +1,213 @@
+{"tt": {"base": "/tt", "params": [
+{"path": "", "type": "int", "kids": 18},
+{"path": "send", "type": "text", "readonly": false, "cmd": "tt send", "visibility": 3},
+{"path": "status", "type": "text", "visibility": 3},
+{"path": "autoscan", "type": "bool", "readonly": false, "cmd": "tt autoscan", "kids": 4},
+{"path": "autoscan/synchronized", "type": "bool", "readonly": false, "cmd": "tt autoscan/synchronized"},
+{"path": "autoscan/interval", "type": "text", "readonly": false, "cmd": "tt autoscan/interval"},
+{"path": "autoscan/pause", "type": "text", "readonly": false, "cmd": "tt autoscan/pause"},
+{"path": "autoscan/dwell", "type": "text", "readonly": false, "cmd": "tt autoscan/dwell"},
+{"path": "T3K", "type": "float", "kids": 14},
+{"path": "T3K/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt T3K/active"},
+{"path": "T3K/autorange", "type": "bool", "readonly": false, "cmd": "tt T3K/autorange", "description": "autorange (common for all channels)"},
+{"path": "T3K/range", "type": "text", "readonly": false, "cmd": "tt T3K/range", "description": "resistance range in Ohm"},
+{"path": "T3K/range_num", "type": "int"},
+{"path": "T3K/excitation", "type": "text", "readonly": false, "cmd": "tt T3K/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "T3K/excitation_num", "type": "int"},
+{"path": "T3K/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "T3K/pause", "type": "int", "readonly": false, "cmd": "tt T3K/pause", "description": "pause time [sec] after channel change"},
+{"path": "T3K/filter", "type": "int", "readonly": false, "cmd": "tt T3K/filter", "description": "filter average time [sec]"},
+{"path": "T3K/dwell", "type": "int", "readonly": false, "cmd": "tt T3K/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "T3K/status", "type": "text"},
+{"path": "T3K/curve", "type": "text", "readonly": false, "cmd": "tt T3K/curve", "kids": 1},
+{"path": "T3K/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt T3K/curve/points", "visibility": 3},
+{"path": "T3K/alarm", "type": "float", "readonly": false, "cmd": "tt T3K/alarm"},
+{"path": "T3K/raw", "type": "float"},
+{"path": "Tstill", "type": "float", "kids": 14},
+{"path": "Tstill/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tstill/active"},
+{"path": "Tstill/autorange", "type": "bool", "readonly": false, "cmd": "tt Tstill/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tstill/range", "type": "text", "readonly": false, "cmd": "tt Tstill/range", "description": "resistance range in Ohm"},
+{"path": "Tstill/range_num", "type": "int"},
+{"path": "Tstill/excitation", "type": "text", "readonly": false, "cmd": "tt Tstill/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tstill/excitation_num", "type": "int"},
+{"path": "Tstill/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tstill/pause", "type": "int", "readonly": false, "cmd": "tt Tstill/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tstill/filter", "type": "int", "readonly": false, "cmd": "tt Tstill/filter", "description": "filter average time [sec]"},
+{"path": "Tstill/dwell", "type": "int", "readonly": false, "cmd": "tt Tstill/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tstill/status", "type": "text"},
+{"path": "Tstill/curve", "type": "text", "readonly": false, "cmd": "tt Tstill/curve", "kids": 1},
+{"path": "Tstill/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tstill/curve/points", "visibility": 3},
+{"path": "Tstill/alarm", "type": "float", "readonly": false, "cmd": "tt Tstill/alarm"},
+{"path": "Tstill/raw", "type": "float"},
+{"path": "T50mK", "type": "float", "kids": 14},
+{"path": "T50mK/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt T50mK/active"},
+{"path": "T50mK/autorange", "type": "bool", "readonly": false, "cmd": "tt T50mK/autorange", "description": "autorange (common for all channels)"},
+{"path": "T50mK/range", "type": "text", "readonly": false, "cmd": "tt T50mK/range", "description": "resistance range in Ohm"},
+{"path": "T50mK/range_num", "type": "int"},
+{"path": "T50mK/excitation", "type": "text", "readonly": false, "cmd": "tt T50mK/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "T50mK/excitation_num", "type": "int"},
+{"path": "T50mK/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "T50mK/pause", "type": "int", "readonly": false, "cmd": "tt T50mK/pause", "description": "pause time [sec] after channel change"},
+{"path": "T50mK/filter", "type": "int", "readonly": false, "cmd": "tt T50mK/filter", "description": "filter average time [sec]"},
+{"path": "T50mK/dwell", "type": "int", "readonly": false, "cmd": "tt T50mK/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "T50mK/status", "type": "text"},
+{"path": "T50mK/curve", "type": "text", "readonly": false, "cmd": "tt T50mK/curve", "kids": 1},
+{"path": "T50mK/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt T50mK/curve/points", "visibility": 3},
+{"path": "T50mK/alarm", "type": "float", "readonly": false, "cmd": "tt T50mK/alarm"},
+{"path": "T50mK/raw", "type": "float"},
+{"path": "Tmxlow", "type": "float", "kids": 14},
+{"path": "Tmxlow/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tmxlow/active"},
+{"path": "Tmxlow/autorange", "type": "bool", "readonly": false, "cmd": "tt Tmxlow/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tmxlow/range", "type": "text", "readonly": false, "cmd": "tt Tmxlow/range", "description": "resistance range in Ohm"},
+{"path": "Tmxlow/range_num", "type": "int"},
+{"path": "Tmxlow/excitation", "type": "text", "readonly": false, "cmd": "tt Tmxlow/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tmxlow/excitation_num", "type": "int"},
+{"path": "Tmxlow/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tmxlow/pause", "type": "int", "readonly": false, "cmd": "tt Tmxlow/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tmxlow/filter", "type": "int", "readonly": false, "cmd": "tt Tmxlow/filter", "description": "filter average time [sec]"},
+{"path": "Tmxlow/dwell", "type": "int", "readonly": false, "cmd": "tt Tmxlow/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tmxlow/status", "type": "text"},
+{"path": "Tmxlow/curve", "type": "text", "readonly": false, "cmd": "tt Tmxlow/curve", "kids": 1},
+{"path": "Tmxlow/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tmxlow/curve/points", "visibility": 3},
+{"path": "Tmxlow/alarm", "type": "float", "readonly": false, "cmd": "tt Tmxlow/alarm"},
+{"path": "Tmxlow/raw", "type": "float"},
+{"path": "Tmxhigh", "type": "float", "kids": 14},
+{"path": "Tmxhigh/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tmxhigh/active"},
+{"path": "Tmxhigh/autorange", "type": "bool", "readonly": false, "cmd": "tt Tmxhigh/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tmxhigh/range", "type": "text", "readonly": false, "cmd": "tt Tmxhigh/range", "description": "resistance range in Ohm"},
+{"path": "Tmxhigh/range_num", "type": "int"},
+{"path": "Tmxhigh/excitation", "type": "text", "readonly": false, "cmd": "tt Tmxhigh/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tmxhigh/excitation_num", "type": "int"},
+{"path": "Tmxhigh/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tmxhigh/pause", "type": "int", "readonly": false, "cmd": "tt Tmxhigh/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tmxhigh/filter", "type": "int", "readonly": false, "cmd": "tt Tmxhigh/filter", "description": "filter average time [sec]"},
+{"path": "Tmxhigh/dwell", "type": "int", "readonly": false, "cmd": "tt Tmxhigh/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tmxhigh/status", "type": "text"},
+{"path": "Tmxhigh/curve", "type": "text", "readonly": false, "cmd": "tt Tmxhigh/curve", "kids": 1},
+{"path": "Tmxhigh/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tmxhigh/curve/points", "visibility": 3},
+{"path": "Tmxhigh/alarm", "type": "float", "readonly": false, "cmd": "tt Tmxhigh/alarm"},
+{"path": "Tmxhigh/raw", "type": "float"},
+{"path": "Tmxcx", "type": "float", "kids": 14},
+{"path": "Tmxcx/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tmxcx/active"},
+{"path": "Tmxcx/autorange", "type": "bool", "readonly": false, "cmd": "tt Tmxcx/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tmxcx/range", "type": "text", "readonly": false, "cmd": "tt Tmxcx/range", "description": "resistance range in Ohm"},
+{"path": "Tmxcx/range_num", "type": "int"},
+{"path": "Tmxcx/excitation", "type": "text", "readonly": false, "cmd": "tt Tmxcx/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tmxcx/excitation_num", "type": "int"},
+{"path": "Tmxcx/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tmxcx/pause", "type": "int", "readonly": false, "cmd": "tt Tmxcx/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tmxcx/filter", "type": "int", "readonly": false, "cmd": "tt Tmxcx/filter", "description": "filter average time [sec]"},
+{"path": "Tmxcx/dwell", "type": "int", "readonly": false, "cmd": "tt Tmxcx/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tmxcx/status", "type": "text"},
+{"path": "Tmxcx/curve", "type": "text", "readonly": false, "cmd": "tt Tmxcx/curve", "kids": 1},
+{"path": "Tmxcx/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tmxcx/curve/points", "visibility": 3},
+{"path": "Tmxcx/alarm", "type": "float", "readonly": false, "cmd": "tt Tmxcx/alarm"},
+{"path": "Tmxcx/raw", "type": "float"},
+{"path": "Tblueo", "type": "float", "kids": 14},
+{"path": "Tblueo/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tblueo/active"},
+{"path": "Tblueo/autorange", "type": "bool", "readonly": false, "cmd": "tt Tblueo/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tblueo/range", "type": "text", "readonly": false, "cmd": "tt Tblueo/range", "description": "resistance range in Ohm"},
+{"path": "Tblueo/range_num", "type": "int"},
+{"path": "Tblueo/excitation", "type": "text", "readonly": false, "cmd": "tt Tblueo/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tblueo/excitation_num", "type": "int"},
+{"path": "Tblueo/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tblueo/pause", "type": "int", "readonly": false, "cmd": "tt Tblueo/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tblueo/filter", "type": "int", "readonly": false, "cmd": "tt Tblueo/filter", "description": "filter average time [sec]"},
+{"path": "Tblueo/dwell", "type": "int", "readonly": false, "cmd": "tt Tblueo/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tblueo/status", "type": "text"},
+{"path": "Tblueo/curve", "type": "text", "readonly": false, "cmd": "tt Tblueo/curve", "kids": 1},
+{"path": "Tblueo/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tblueo/curve/points", "visibility": 3},
+{"path": "Tblueo/alarm", "type": "float", "readonly": false, "cmd": "tt Tblueo/alarm"},
+{"path": "Tblueo/raw", "type": "float"},
+{"path": "Tpt50", "type": "float", "kids": 14},
+{"path": "Tpt50/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tpt50/active"},
+{"path": "Tpt50/autorange", "type": "bool", "readonly": false, "cmd": "tt Tpt50/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tpt50/range", "type": "text", "readonly": false, "cmd": "tt Tpt50/range", "description": "resistance range in Ohm"},
+{"path": "Tpt50/range_num", "type": "int"},
+{"path": "Tpt50/excitation", "type": "text", "readonly": false, "cmd": "tt Tpt50/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tpt50/excitation_num", "type": "int"},
+{"path": "Tpt50/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tpt50/pause", "type": "int", "readonly": false, "cmd": "tt Tpt50/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tpt50/filter", "type": "int", "readonly": false, "cmd": "tt Tpt50/filter", "description": "filter average time [sec]"},
+{"path": "Tpt50/dwell", "type": "int", "readonly": false, "cmd": "tt Tpt50/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tpt50/status", "type": "text"},
+{"path": "Tpt50/curve", "type": "text", "readonly": false, "cmd": "tt Tpt50/curve", "kids": 1},
+{"path": "Tpt50/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tpt50/curve/points", "visibility": 3},
+{"path": "Tpt50/alarm", "type": "float", "readonly": false, "cmd": "tt Tpt50/alarm"},
+{"path": "Tpt50/raw", "type": "float"},
+{"path": "Tpt3high", "type": "float", "kids": 14},
+{"path": "Tpt3high/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tpt3high/active"},
+{"path": "Tpt3high/autorange", "type": "bool", "readonly": false, "cmd": "tt Tpt3high/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tpt3high/range", "type": "text", "readonly": false, "cmd": "tt Tpt3high/range", "description": "resistance range in Ohm"},
+{"path": "Tpt3high/range_num", "type": "int"},
+{"path": "Tpt3high/excitation", "type": "text", "readonly": false, "cmd": "tt Tpt3high/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tpt3high/excitation_num", "type": "int"},
+{"path": "Tpt3high/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tpt3high/pause", "type": "int", "readonly": false, "cmd": "tt Tpt3high/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tpt3high/filter", "type": "int", "readonly": false, "cmd": "tt Tpt3high/filter", "description": "filter average time [sec]"},
+{"path": "Tpt3high/dwell", "type": "int", "readonly": false, "cmd": "tt Tpt3high/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tpt3high/status", "type": "text"},
+{"path": "Tpt3high/curve", "type": "text", "readonly": false, "cmd": "tt Tpt3high/curve", "kids": 1},
+{"path": "Tpt3high/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tpt3high/curve/points", "visibility": 3},
+{"path": "Tpt3high/alarm", "type": "float", "readonly": false, "cmd": "tt Tpt3high/alarm"},
+{"path": "Tpt3high/raw", "type": "float"},
+{"path": "Tpt3low", "type": "float", "kids": 14},
+{"path": "Tpt3low/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tpt3low/active"},
+{"path": "Tpt3low/autorange", "type": "bool", "readonly": false, "cmd": "tt Tpt3low/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tpt3low/range", "type": "text", "readonly": false, "cmd": "tt Tpt3low/range", "description": "resistance range in Ohm"},
+{"path": "Tpt3low/range_num", "type": "int"},
+{"path": "Tpt3low/excitation", "type": "text", "readonly": false, "cmd": "tt Tpt3low/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tpt3low/excitation_num", "type": "int"},
+{"path": "Tpt3low/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tpt3low/pause", "type": "int", "readonly": false, "cmd": "tt Tpt3low/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tpt3low/filter", "type": "int", "readonly": false, "cmd": "tt Tpt3low/filter", "description": "filter average time [sec]"},
+{"path": "Tpt3low/dwell", "type": "int", "readonly": false, "cmd": "tt Tpt3low/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tpt3low/status", "type": "text"},
+{"path": "Tpt3low/curve", "type": "text", "readonly": false, "cmd": "tt Tpt3low/curve", "kids": 1},
+{"path": "Tpt3low/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tpt3low/curve/points", "visibility": 3},
+{"path": "Tpt3low/alarm", "type": "float", "readonly": false, "cmd": "tt Tpt3low/alarm"},
+{"path": "Tpt3low/raw", "type": "float"},
+{"path": "Twhite", "type": "float", "kids": 14},
+{"path": "Twhite/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Twhite/active"},
+{"path": "Twhite/autorange", "type": "bool", "readonly": false, "cmd": "tt Twhite/autorange", "description": "autorange (common for all channels)"},
+{"path": "Twhite/range", "type": "text", "readonly": false, "cmd": "tt Twhite/range", "description": "resistance range in Ohm"},
+{"path": "Twhite/range_num", "type": "int"},
+{"path": "Twhite/excitation", "type": "text", "readonly": false, "cmd": "tt Twhite/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Twhite/excitation_num", "type": "int"},
+{"path": "Twhite/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Twhite/pause", "type": "int", "readonly": false, "cmd": "tt Twhite/pause", "description": "pause time [sec] after channel change"},
+{"path": "Twhite/filter", "type": "int", "readonly": false, "cmd": "tt Twhite/filter", "description": "filter average time [sec]"},
+{"path": "Twhite/dwell", "type": "int", "readonly": false, "cmd": "tt Twhite/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Twhite/status", "type": "text"},
+{"path": "Twhite/curve", "type": "text", "readonly": false, "cmd": "tt Twhite/curve", "kids": 1},
+{"path": "Twhite/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Twhite/curve/points", "visibility": 3},
+{"path": "Twhite/alarm", "type": "float", "readonly": false, "cmd": "tt Twhite/alarm"},
+{"path": "Twhite/raw", "type": "float"},
+{"path": "Tgreen", "type": "float", "kids": 14},
+{"path": "Tgreen/active", "type": "enum", "enum": {"inactive": 0, "active": 1}, "readonly": false, "cmd": "tt Tgreen/active"},
+{"path": "Tgreen/autorange", "type": "bool", "readonly": false, "cmd": "tt Tgreen/autorange", "description": "autorange (common for all channels)"},
+{"path": "Tgreen/range", "type": "text", "readonly": false, "cmd": "tt Tgreen/range", "description": "resistance range in Ohm"},
+{"path": "Tgreen/range_num", "type": "int"},
+{"path": "Tgreen/excitation", "type": "text", "readonly": false, "cmd": "tt Tgreen/excitation", "description": "excitation with unit, i.e. 2uV or 3pA"},
+{"path": "Tgreen/excitation_num", "type": "int"},
+{"path": "Tgreen/excitation_mode", "type": "enum", "enum": {"voltage": 0, "current": 1, "off": 2}},
+{"path": "Tgreen/pause", "type": "int", "readonly": false, "cmd": "tt Tgreen/pause", "description": "pause time [sec] after channel change"},
+{"path": "Tgreen/filter", "type": "int", "readonly": false, "cmd": "tt Tgreen/filter", "description": "filter average time [sec]"},
+{"path": "Tgreen/dwell", "type": "int", "readonly": false, "cmd": "tt Tgreen/dwell", "description": "dwell time [sec]. Total time per channel: pause + filter + dwell"},
+{"path": "Tgreen/status", "type": "text"},
+{"path": "Tgreen/curve", "type": "text", "readonly": false, "cmd": "tt Tgreen/curve", "kids": 1},
+{"path": "Tgreen/curve/points", "type": "floatvarar", "readonly": false, "cmd": "tt Tgreen/curve/points", "visibility": 3},
+{"path": "Tgreen/alarm", "type": "float", "readonly": false, "cmd": "tt Tgreen/alarm"},
+{"path": "Tgreen/raw", "type": "float"},
+{"path": "analog2", "type": "float", "readonly": false, "cmd": "tt analog2"},
+{"path": "remote", "type": "bool"},
+{"path": "display", "type": "text", "readonly": false, "cmd": "tt display"}]},
+
+"cmn": {"base": "/cmn", "params": [
+{"path": "", "type": "none", "kids": 6},
+{"path": "send", "type": "text", "readonly": false, "cmd": "cmn send", "visibility": 3},
+{"path": "status", "type": "text", "visibility": 3},
+{"path": "u1", "type": "float"},
+{"path": "temp", "type": "float"},
+{"path": "u2", "type": "float"},
+{"path": "chan", "type": "enum", "enum": {"auto": 0, "chan1": 1, "chan2": 2}, "readonly": false, "cmd": "cmn chan"}]}}

frappy_psi/ls370res.py

@@ -34,7 +34,7 @@ from frappy.lib import formatStatusBits
 from frappy.core import Done, Drivable, Parameter, Property, CommonReadHandler, CommonWriteHandler
 from frappy.io import HasIO
 from frappy_psi.channelswitcher import Channel, ChannelSwitcher
-from frappy_psi.picontrol import HasConvergence
+from frappy.ctrlby import WrapControlledBy
 
 
 Status = Drivable.Status

frappy_psi/picontrol.py

@@ -36,8 +36,8 @@ and this is an example cfg
         'controlled T',
         meaning=['temperature', 20],
         output_module='htr_sample',
-        p=1,
+        p=100,
-        i=0.01,
+        i=60,
     )
 
 
@@ -60,79 +60,164 @@ example cfg:
 
 import time
 import math
+import numpy as np
 from frappy.core import Readable, Writable, Parameter, Attached, IDLE, Property
 from frappy.lib import clamp, merge_status
 from frappy.datatypes import LimitsType, EnumType, FloatRange
+from frappy.errors import SECoPError
 from frappy.ctrlby import HasOutputModule, WrapControlledBy
 from frappy_psi.convergence import HasConvergence
 
 
+def ext_poll_value(mobj):
+    prev = mobj.parameters['value'].timestamp
+    mobj.doPoll()
+    if mobj.parameters['value'].timestamp <= prev:
+        # value was not updated
+        mobj.read_value()
+    # disable polling for the next interval
+    interval = mobj.pollInfo.interval
+    if interval:
+        mobj.pollInfo.last_main = (time.time() // interval) * interval
+    return mobj.value
+
+
 class PImixin(HasOutputModule, Writable):
-    p = Parameter('proportional term', FloatRange(0), readonly=False)
+    value = Parameter(unit='K', update_unchanged='always')
-    i = Parameter('integral term', FloatRange(0), readonly=False)
+    p = Parameter('proportional term', FloatRange(0), readonly=False, default=1)
+    i = Parameter('integral term', FloatRange(0), readonly=False, default=1)
+    status = Parameter(update_unchanged='never')
+    itime = Parameter('integration time', FloatRange(0, unit='s'), default=60, readonly=False)
+    control_active = Parameter(readonly=False)
+
     # output_module is inherited
-    output_range = Property('legacy output range', LimitsType(FloatRange()), default=(0,0))
+    output_range = Property('legacy output range', LimitsType(FloatRange()), default=(0, 0))
     output_min = Parameter('min output', FloatRange(), default=0, readonly=False)
     output_max = Parameter('max output', FloatRange(), default=0, readonly=False)
-    output_func = Parameter('output function',
+    input_scale = Property('input scale', FloatRange(unit='$'), default=100)
-                            EnumType(lin=0, square=1), readonly=False, value=0)
+    time_scale = Property('time scale', FloatRange(unit='s'), default=60)
-    value = Parameter(unit='K')
+    overflow = Parameter('overflow', FloatRange(), default=0, readonly=False)
+
     _lastdiff = None
     _lasttime = 0
     _get_range = None  # a function get output range from output_module
     _overflow = 0
-    _cvt2int = None
+    _itime_set = None  # True: 'itime' was set, False: 'i' was set
-    _cvt2ext = None
+    _history = None
+    __errcnt = 0
+    __inside_poll = False
+    __cache = None
+
+    # with input units K and output units %:
+    #   units for p: % / K
+    #   units for i: % / K / min
 
     def initModule(self):
+        self.__cache = {}
         super().initModule()
         if self.output_range != (0, 0):  # legacy !
             self.output_min, self.output_max = self.output_range
+        self.get_range_func()
+        self.addCallback('value', self.__inside, 'value')
+        self.addCallback('status', self.__inside, 'status')
+
+    def __inside(self, value, pname):
+        if self.__inside_poll is not None:
+            self.__cache[pname] = value
 
     def doPoll(self):
-        super().doPoll()
+        try:
-        if not self.control_active:
+            self.__inside_poll = True
-            return
+            self.__cache = {}
-        out = self.output_module
+            now = time.time()
-        now = time.time()
+            value = self.read_value()
-        deltat = clamp(0, now-self._lasttime, 10)
+            if self._history is None:
-        self._lasttime = now
+                # initialize a fixed size array, with fake time axis to avoid errors in np.polyfit
-        diff = self.target - self.value
+                self._history = np.array([(now+i, self.value) for i in range(-9,1)])
-        if self._lastdiff is None:
+            else:
+                # shift fixed size array, and change last point
+                self._history[:-1] = self._history[1:]
+                self._history[-1] = (now, value)
+            if not self.control_active:
+                self._lastdiff = 0
+                return
+            self.read_status()
+            out = self.output_module
+            deltat = clamp(0, now-self._lasttime, 10)
+            self._lasttime = now
+            diff = self.target - value
+            if self._lastdiff is None:
+                self._lastdiff = diff
+            deltadiff = diff - self._lastdiff
             self._lastdiff = diff
-        deltadiff = diff - self._lastdiff
+            if diff:
-        self._lastdiff = diff
+                ref = self.itime / diff
-        output, omin, omax = self._cvt2int(out.target)
+                (slope, _), cov = np.polyfit(self._history[:, 0] - now, self._history[:, 1], 1, cov=True)
-        output += self._overflow + self.p * deltadiff + self.i * deltat * diff
+                slope_stddev = np.sqrt(max(0, cov[0, 0]))
-        if output < omin:
+                if slope * ref > 1 + 2 * slope_stddev * abs(ref):
-            self._overflow = max(omin - omax, output - omin)
+                    # extrapolated value will cross target in less than itime
-            output = omin
+                    if self._overflow:
-        elif output > omax:
+                        self._overflow = 0
-            self._overflow = min(omax - omin, output - omax)
+                        self.log.info('clear overflow')
-            output = omax
+
-        else:
+            output, omin, omax = self.cvt2int(out.target)
-            self._overflow = 0
+            output += self._overflow + (
-        out.update_target(self.name, self._cvt2ext(output))
+                    self.p * deltadiff +
+                    self.i * deltat * diff / self.time_scale) / self.input_scale
+            if omin <= output <= omax:
+                self._overflow = 0
+            else:
+                # save overflow for next step
+                if output < omin:
+                    self._overflow = output - omin
+                    output = omin
+                else:
+                    self._overflow = output - omax
+                    output = omax
+            out.update_target(self.name, self.cvt2ext(output))
+            self.__errcnt = 0
+        except Exception as e:
+            if self.control_active:
+                self.__errcnt += 1
+                if self.__errcnt > 5:
+                    self.__errcnt = 0
+                    self.log.warning('too many errors - switch control off')
+                    self.write_control_active(False)
+            raise
+        finally:
+            self.__inside_poll = False
+            self.__cache = {}
+            self.overflow = self._overflow
+
+    def write_overflow(self, value):
+        self._overflow = value
+
+    def internal_poll(self):
+        super().doPoll()
+
+    def internal_read_value(self):
+        return super().read_value()
+
+    def internal_read_status(self):
+        return super().read_status()
+
+    def read_value(self):
+        try:
+            return self.__cache['value']
+        except KeyError:
+            return self.internal_read_value()
 
     def read_status(self):
+        try:
+            return self.__cache['status']
+        except KeyError:
+            pass
         status = IDLE, 'controlling' if self.control_active else 'inactive'
         if hasattr(super(), 'read_status'):
-            status = merge_status(super().read_status(), status)
+            status = merge_status(self.internal_read_status(), status)
         return status
 
-    def cvt2int_square(self, output):
+    def get_range_func(self):
-        return (math.sqrt(max(0, clamp(x, *self._get_range()))) for x in (output, self.output_min, self.output_max))
-
-    def cvt2ext_square(self, output):
-        return output ** 2
-
-    def cvt2int_lin(self, output):
-        return (clamp(x, *self._get_range()) for x in (output, self.output_min, self.output_max))
-
-    def cvt2ext_lin(self, output):
-        return output
-
-    def write_output_func(self, value):
         out = self.output_module
         if hasattr(out, 'max_target'):
             if hasattr(self, 'min_target'):
@@ -147,32 +232,72 @@ class PImixin(HasOutputModule, Writable):
             self._get_range = lambda o=self: (o.output_min, o.output_max)
         if self.output_min == self.output_max == 0:
             self.output_min, self.output_max = self._get_range()
-        self.output_func = value
-        self._cvt2int = getattr(self, f'cvt2int_{self.output_func.name}')
-        self._cvt2ext = getattr(self, f'cvt2ext_{self.output_func.name}')
 
-    # not needed, done by HasOutputModule.write_control_active
+    def cvt2int(self, output):
-    # def write_control_active(self, value):
+        return (clamp(x, *self._get_range()) for x in (output, self.output_min, self.output_max))
-    #    super().write_control_active(value)
+
-    #    out = self.output_module
+    def cvt2ext(self, output):
-    #    if not value:
+        return output
-    #        out.write_target(out.parameters['target'].datatype.default)
+
+    def calc_itime(self, prop, integ):
+        return prop * self.time_scale / integ
+
+    def write_p(self, value):
+        if self._itime_set:
+            self.i = value * self.time_scale / self.itime
+        elif self._itime_set is False:  # means also not None
+            self.itime = value * self.time_scale / self.i
+
+    def write_i(self, value):
+        self._itime_set = False
+        self.itime = self.p * self.time_scale / value
+
+    def write_itime(self, value):
+        self._itime_set = True
+        self.i = self.p * self.time_scale / value
 
     def set_target(self, value):
         if not self.control_active:
             self.activate_control()
+        self.target = value
+        self.doPoll()
+
+
+class PImixinSquare(PImixin):
+    """unchecked: use square as output function"""
+    def cvt2int(self, output):
+        return (math.sqrt(max(0, 100 * clamp(x, *self._get_range())))
+                for x in (output, self.output_min, self.output_max))
+
+    def cvt2ext(self, output):
+        return output ** 2 / 100
 
 
 class PI(HasConvergence, PImixin):
     input_module = Attached(Readable, 'the input module')
 
-    def read_value(self):
+    def internal_poll(self):
-        return self.input_module.value
+        inp = self.input_module
+        inp.doPoll()
+        interval = inp.pollInfo.interval
+        if interval > 0:
+            # disable next internal poll
+            inp.pollInfo.last_main = (time.time() // interval) * interval
+        self.read_value()
+        self.read_status()
 
-    def read_status(self):
+    def internal_read_value(self):
-        return self.input_module.status
+        return self.input_module.read_value()
+
+    def internal_read_status(self):
+        return self.input_module.read_status()
+
+    def write_target(self, target):
+        super().write_target(target)
+        self.convergence_start()
 
 
+# unchecked!
 class PI2(PI):
     maxovershoot = Parameter('max. overshoot', FloatRange(0, 100, unit='%'), readonly=False, default=20)
 

frappy_psi/tcs.py

@@ -21,6 +21,7 @@
 from frappy.core import StringIO, HasIO, Writable, Parameter, Property, FloatRange, IntRange, BoolType, \
     ERROR
 from frappy.errors import CommunicationFailedError, HardwareError
+from frappy.ctrlby import WrapControlledBy
 
 
 class IO(StringIO):
@@ -36,7 +37,7 @@ class Heater(HasIO, Writable):
     channel = Property('channel (source number)', IntRange(1, 3))
     value = Parameter('current reading', FloatRange(0, 0.1, unit='A'))
     target = Parameter('current target value', FloatRange(0, 0.1, unit='A'), readonly=False)
-    on = Parameter('turn current on/off', BoolType(), readonly=False)
+    on = Parameter('turn current on/off', BoolType(), readonly=False, default=False)
 
     def query_status(self):
         reply, txtvalue = self.communicate('STATUS?').split('\t')
@@ -64,13 +65,14 @@ class Heater(HasIO, Writable):
         if reply != '0':  # not as in manual
             raise CommunicationFailedError(f'Bad reply: {reply!r}')
 
-    def read_target(self):
+    def read_value(self):
         txtvalue = self.query_status()
         current_range = txtvalue[(self.channel - 1) * 4 + 1]
         current = txtvalue[(self.channel - 1) * 4 + 1 + 1]   # percent of range
-        multipliers = {'1': 99e-6, '2': 990e-6, '3': 9900e-6, '4': 99e-3}
+        multipliers = {'1': 1e-4, '2': 1e-3, '3': 1e-2, '4': 1e-1}
         value = float(current) / 100 * float(multipliers[current_range])
         return value
 
-    # no measured value available
+
-    read_value = read_target
+class WrappedHeater(WrapControlledBy, Heater):
+    pass