Adds FrameCounter to smurf file emulator (#347)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.gitignore

@@ -125,6 +125,7 @@ ENV/
 
 # vscode
 *.code-workspace
+.vscode
 
 # Custom
 .crossbar/

agents/smurf_file_emulator/smurf_file_emulator.py

@@ -26,6 +26,13 @@ def get_smurf_status():
 SUBBANDS_PER_BAND = 512
 CHANS_PER_BAND = 512
 
+primary_names = [
+    'UnixTime', 'FluxRampIncrement', 'FluxRampOffset', 'Counter0',
+    'Counter1', 'Counter2', 'AveragingResetBits', 'FrameCounter',
+    'TESRelaySetting'
+]
+primary_idxs = {name: idx for idx, name in enumerate(primary_names)}
+
 
 class Tune:
     """
@@ -145,6 +152,7 @@ class G3FrameGenerator:
     def __init__(self, stream_id, sample_rate, tune,
                  action=None, action_time=None):
         self.frame_num = 0
+        self.sample_num = 0
         self.session_id = int(time.time())
         self.tune = tune
         self.nchans = np.sum(tune.channels != -1)
@@ -202,6 +210,8 @@ def get_data_frame(self, start, stop):
 
         times = np.arange(start, stop, 1. / self.sample_rate)
         nsamps = len(times)
+        frame_counter = np.arange(self.sample_num, self.sample_num + nsamps, dtype=int)
+        self.sample_num += nsamps
         chans = np.arange(self.nchans)
         names = [f'r{ch:0>4}' for ch in chans]
 
@@ -216,13 +226,9 @@ def get_data_frame(self, start, stop):
         g3times = core.G3VectorTime(times * core.G3Units.s)
         fr['data'] = so3g.G3SuperTimestream(names, g3times, data)
 
-        primary_names = [
-            'UnixTime', 'FluxRampIncrement', 'FluxRampOffset', 'Counter0',
-            'Counter1', 'Counter2', 'AveragingResetBits', 'FrameCounter',
-            'TESRelaySetting'
-        ]
         primary_data = np.zeros((len(primary_names), nsamps), dtype=np.int64)
-        primary_data[0, :] = (times * 1e9).astype(int)
+        primary_data[primary_idxs['UnixTime'], :] = (times * 1e9).astype(int)
+        primary_data[primary_idxs['FrameCounter'], :] = frame_counter
         fr['primary'] = so3g.G3SuperTimestream(primary_names, g3times, primary_data)
 
         tes_bias_names = [f'bias{bg:0>2}' for bg in range(NBIASLINES)]