shuttler: cleanup

artiq/coredevice/shuttler.py

@@ -1,5 +1,3 @@
-import numpy
-
 from artiq.language.core import *
 from artiq.language.types import *
 from artiq.coredevice.rtio import rtio_output, rtio_input_data
@@ -106,7 +104,7 @@ class Config:
         return rtio_input_data(self.channel)
 
 
-class Volt:
+class DCBias:
     """Shuttler Core cubic DC-bias spline.
 
     A Shuttler channel can generate a waveform `w(t)` that is the sum of a
@@ -138,7 +136,7 @@ class Volt:
     def set_waveform(self, a0: TInt32, a1: TInt32, a2: TInt64, a3: TInt64):
         """Set the DC-bias spline waveform.
 
-        Given `a(t)` as defined in :class:`Volt`, the coefficients should be
+        Given `a(t)` as defined in :class:`DCBias`, the coefficients should be
         configured by the following formulae.
 
         .. math::
@@ -181,7 +179,7 @@ class Volt:
             delay_mu(int64(self.core.ref_multiplier))
 
 
-class Dds:
+class DDS:
     """Shuttler Core DDS spline.
 
     A Shuttler channel can generate a waveform `w(t)` that is the sum of a
@@ -218,7 +216,7 @@ class Dds:
             c0: TInt32, c1: TInt32, c2: TInt32):
         """Set the DDS spline waveform.
 
-        Given `b(t)` and `c(t)` as defined in :class:`Dds`, the coefficients
+        Given `b(t)` and `c(t)` as defined in :class:`DDS`, the coefficients
         should be configured by the following formulae.
 
         .. math::
@@ -295,7 +293,7 @@ class Trigger:
 
         Each bit corresponds to a Shuttler waveform generator core. Setting
         `trig_out` bits commits the pending coefficient update (from
-        `set_waveform` in :class:`Volt` and :class:`Dds`) to the Shuttler Core
+        `set_waveform` in :class:`DCBias` and :class:`DDS`) to the Shuttler Core
         synchronously.
 
         :param trig_out: Coefficient update trigger bits. The MSB corresponds
@@ -582,7 +580,7 @@ class ADC:
             :meth:`Config.set_offset`
 
         :param volts: A list of all 16 cubic DC-bias spline.
-            (See :class:`Volt`)
+            (See :class:`DCBias`)
         :param trigger: The Shuttler spline coefficient update trigger.
         :param config: The Shuttler Core configuration registers.
         :param samples: A list of sample voltages for calibration. There must

artiq/examples/kasli_shuttler/kasli_shuttler.json

@@ -1,12 +1,12 @@
 {
     "target": "kasli",
-    "variant": "master",
+    "variant": "shuttlerdemo",
     "hw_rev": "v2.0",
-    "base": "master",
+    "drtio_role": "master",
     "peripherals": [
         {
             "type": "shuttler",
-                "ports": [0]
+            "ports": [0]
         },
         {
             "type": "dio",

artiq/examples/kasli_shuttler/repository/shuttler.py

@@ -60,7 +60,7 @@ class Shuttler(EnvExperiment):
         self.shuttler0_leds = [ self.get_device("shuttler0_led{}".format(i)) for i in range(2) ]
         self.setattr_device("shuttler0_config")
         self.setattr_device("shuttler0_trigger")
-        self.shuttler0_volt = [ self.get_device("shuttler0_volt{}".format(i)) for i in range(16) ]
+        self.shuttler0_dcbias = [ self.get_device("shuttler0_dcbias{}".format(i)) for i in range(16) ]
         self.shuttler0_dds = [ self.get_device("shuttler0_dds{}".format(i)) for i in range(16) ]
         self.setattr_device("shuttler0_relay")
         self.setattr_device("shuttler0_adc")
@@ -102,7 +102,7 @@ class Shuttler(EnvExperiment):
 
     @kernel
     def shuttler_channel_reset(self, ch):
-        self.shuttler0_volt[ch].set_waveform(
+        self.shuttler0_dcbias[ch].set_waveform(
             a0=0,
             a1=0,
             a2=0,
@@ -226,7 +226,7 @@ class Shuttler(EnvExperiment):
         delay(500*us)
 
         ## Step 5 ##
-        self.shuttler0_volt[0].set_waveform(
+        self.shuttler0_dcbias[0].set_waveform(
             a0=shuttler_volt_amp_mu(-5.0),
             a1=int32(shuttler_volt_damp_mu(0.01)),
             a2=0,
@@ -241,7 +241,7 @@ class Shuttler(EnvExperiment):
             c1=shuttler_freq_mu(end_f_MHz),
             c2=0,
         )
-        self.shuttler0_volt[1].set_waveform(
+        self.shuttler0_dcbias[1].set_waveform(
             a0=shuttler_volt_amp_mu(-5.0),
             a1=int32(shuttler_volt_damp_mu(0.01)),
             a2=0,
@@ -260,7 +260,7 @@ class Shuttler(EnvExperiment):
         delay(1000*us)
         
         ## Step 6 ##
-        self.shuttler0_volt[0].set_waveform(
+        self.shuttler0_dcbias[0].set_waveform(
             a0=shuttler_volt_amp_mu(-2.5),
             a1=int32(shuttler_volt_damp_mu(0.01)),
             a2=0,
@@ -280,7 +280,7 @@ class Shuttler(EnvExperiment):
         delay(500*us)
 
         ## Step 7 ##
-        self.shuttler0_volt[0].set_waveform(
+        self.shuttler0_dcbias[0].set_waveform(
             a0=shuttler_volt_amp_mu(2.5),
             a1=int32(shuttler_volt_damp_mu(-0.01)),
             a2=0,
@@ -327,4 +327,4 @@ class Shuttler(EnvExperiment):
         # The actual output voltage is limited by the hardware, the calculated calibration gain and offset.
         # For example, if the system has a calibration gain of 1.06, then the max output voltage = 10 / 1.06 = 9.43V.
         # Setting a value larger than 9.43V will result in overflow.
-        self.shuttler0_adc.calibrate(self.shuttler0_volt, self.shuttler0_trigger, self.shuttler0_config)
+        self.shuttler0_adc.calibrate(self.shuttler0_dcbias, self.shuttler0_trigger, self.shuttler0_config)

artiq/frontend/artiq_ddb_template.py

@@ -652,10 +652,10 @@ class PeripheralManager:
             channel=rtio_offset + next(channel))
         for i in range(16):
             self.gen("""
-                device_db["{name}_volt{ch}"] = {{
+                device_db["{name}_dcbias{ch}"] = {{
                     "type": "local",
                     "module": "artiq.coredevice.shuttler",
-                    "class": "Volt",
+                    "class": "DCBias",
                     "arguments": {{"channel": 0x{channel:06x}}},
                 }}""",
                 name=shuttler_name,
@@ -665,7 +665,7 @@ class PeripheralManager:
                 device_db["{name}_dds{ch}"] = {{
                     "type": "local",
                     "module": "artiq.coredevice.shuttler",
-                    "class": "Dds",
+                    "class": "DDS",
                     "arguments": {{"channel": 0x{channel:06x}}},
                 }}""",
                 name=shuttler_name,