LED blink

This example creates an IO Sequence composed out of two IO Sync Frames for turning ON and OFF the LEDs of the Red Pitaya 125-14, respectively. The first frame is triggered automatically at the beginning of the sequence and the second one is triggered at a falling edge of the external trigger line (digital_io_0[0], DIO0_P). See README for IO Names and Pin Mapping.

Imports

import time 
from matplotlib import pyplot as plt
from openlabctrl.device import Rp_125_14_Z7010
from openlabctrl.sequence import IoSequence
from openlabctrl.frame import IoSyncFrame, TriggerSource

Device instances

rp_0 = Rp_125_14_Z7010(ip="192.168.1.143", label="rp_0", force=True)

IO Sequences & IO Frames instances

seq = IoSequence(device_list=[rp_0])
fr_0 = IoSyncFrame(device_type=Rp_125_14_Z7010, trig=None)
fr_1 = IoSyncFrame(device_type=Rp_125_14_Z7010, trig=TriggerSource.EXT_LOW)

Frame definitions

#FRAME O (turn on LEDs sequentially)
fr_0.reset()
fr_0.set_time_increment(125_000_000) # 1 Sa/s
for i in range(8):
    fr_0.led.output(val=(1 << i), mask=(1 << i))
    

#FRAME 1 (turn off LEDs sequentially)
fr_1.reset()
fr_1.set_time_increment(125_000_000) # 1 Sa/s
for i in range(8):
    fr_1.led.output(val=0, mask=(1 << i))
    

Sequence definition

seq.reset()
seq.add_frame(frame=fr_0, device=rp_0, label="LED on")
seq.add_frame(frame=fr_1, device=rp_0, label="LED off")

print(seq.sequence_description())

+--------------------+
| rp_0@192.168.1.143 |
+--------------------+
| LED on             |
| LED off            |
+--------------------+
NOTE: Frames with (*) are triggered by external trigger source.

Upload & Run sequence

seq.upload()
seq.start()
while not seq.is_done():
    if seq.is_error():
        print("Sequence error. Please check status.")
        break
    time.sleep(0.01)

seq.get_status()

{'rp_0@192.168.1.143': {'enabled': True,
  'done': True,
  'error': False,
  'current_frame': 'LED off',
  'io': {'rf_out_0': {'error': False, 'done': True},
   'rf_out_1': {'error': False, 'done': True},
   'digital_io_0': {'error': False, 'done': True},
   'digital_io_1': {'error': False, 'done': True},
   'digital_io_2': {'error': False, 'done': True},
   'digital_io_3': {'error': False, 'done': True},
   'analog_out_0': {'error': False, 'done': True},
   'analog_out_1': {'error': False, 'done': True},
   'analog_out_2': {'error': False, 'done': True},
   'analog_out_3': {'error': False, 'done': True},
   'scope_0': {'error': False, 'done': True},
   'scope_1': {'error': False, 'done': True},
   'led': {'error': False, 'done': True}}}}

seq.stop()