examples: DDS demo

examples/dds_test.py

@@ -0,0 +1,37 @@
+from artiq.language.units import *
+from artiq.language.core import *
+from artiq.devices import corecom_serial, core, dds_core, gpio_core
+
+class DDSTest(MPO):
+	parameters = "a b c d led"
+
+	@kernel
+	def run(self):
+		i = 0
+		while i < 10000:
+			if i & 0x200 != 0:
+				self.led.set(1)
+			else:
+				self.led.set(0)
+			with parallel:
+				with sequential:
+					self.a.pulse(100*MHz + 4*i*kHz, 500*us)
+					self.b.pulse(120*MHz, 500*us)
+				with sequential:
+					self.c.pulse(200*MHz, 100*us)
+					self.d.pulse(250*MHz, 200*us)
+			i += 1
+		self.led.set(0)
+
+if __name__ == "__main__":
+	with corecom_serial.CoreCom() as com:
+		coredev = core.Core(com)
+		exp = DDSTest(
+			core=coredev,
+			a=dds_core.DDS(core=coredev, dds_sysclk=1000*MHz, reg_channel=0, rtio_channel=0),
+			b=dds_core.DDS(core=coredev, dds_sysclk=1000*MHz, reg_channel=1, rtio_channel=1),
+			c=dds_core.DDS(core=coredev, dds_sysclk=1000*MHz, reg_channel=2, rtio_channel=2),
+			d=dds_core.DDS(core=coredev, dds_sysclk=1000*MHz, reg_channel=3, rtio_channel=3),
+			led=gpio_core.GPIOOut(core=coredev, channel=1)
+		)
+		exp.run()

examples/ttl_test.py

@@ -1,31 +0,0 @@
-from artiq.language.units import *
-from artiq.language.core import *
-from artiq.devices import corecom_serial, core, ttl_core
-
-class TTLTest(MPO):
-	parameters = "a b c d"
-
-	@kernel
-	def run(self):
-		i = 0
-		while i < 100000:
-			with parallel:
-				with sequential:
-					self.a.pulse(50*us)
-					self.b.pulse(50*us)
-				with sequential:
-					self.c.pulse(10*us)
-					self.d.pulse(20*us)
-			i += 1
-
-if __name__ == "__main__":
-	with corecom_serial.CoreCom() as com:
-		coredev = core.Core(com)
-		exp = TTLTest(
-			core=coredev,
-			a=ttl_core.TTLOut(core=coredev, channel=0),
-			b=ttl_core.TTLOut(core=coredev, channel=1),
-			c=ttl_core.TTLOut(core=coredev, channel=2),
-			d=ttl_core.TTLOut(core=coredev, channel=3),
-		)
-		exp.run()