From 62b39f5e3e0650611c5e20321f018898e0c8076d Mon Sep 17 00:00:00 2001
From: WizardTim <43670403+WizardTim@users.noreply.github.com>
Date: Tue, 1 Dec 2020 16:14:48 +1000
Subject: [PATCH 1/5] More statistics to detect bad/over polling

---
 examples/ads1x15_fast_read.py | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/examples/ads1x15_fast_read.py b/examples/ads1x15_fast_read.py
index 1e499b8..e585415 100644
--- a/examples/ads1x15_fast_read.py
+++ b/examples/ads1x15_fast_read.py
@@ -22,6 +22,8 @@
 ads.mode = Mode.CONTINUOUS
 ads.data_rate = RATE
 
+repeats = 0
+
 data = [None] * SAMPLES
 
 start = time.monotonic()
@@ -29,9 +31,26 @@
 # Read the same channel over and over
 for i in range(SAMPLES):
     data[i] = chan0.value
+    if data[i] == data[i-1]:
+        repeats += 1
+
 
 end = time.monotonic()
 total_time = end - start
 
-print("Time of capture: {}s".format(total_time))
-print("Sample rate requested={} actual={}".format(RATE, SAMPLES / total_time))
+rate_reported = SAMPLES / total_time
+rate_actual = (SAMPLES-repeats) / total_time
+# NOTE: cannot detect conversion rates higher than polling rate
+
+print("Took {:5.3f} s to acquire {:d} samples.".format(total_time, SAMPLES))
+print("")
+print("Configured:")
+print("    Requested       = {:5d}    sps".format(RATE))
+print("    Reported        = {:5d}    sps".format(ads.data_rate))
+print("")
+print("Actual:")
+print("    Polling Rate    = {:8.2f} sps".format(rate_reported))
+print("                      {:9.2%}".format(rate_reported / RATE))
+print("    Repeats         = {:5d}".format(repeats))
+print("    Conversion Rate = {:8.2f} sps   (estimated)".format(rate_actual))
+

From 9e7e017014cd50802432f1c850b27acbe31ed899 Mon Sep 17 00:00:00 2001
From: WizardTim <43670403+WizardTim@users.noreply.github.com>
Date: Tue, 1 Dec 2020 16:32:00 +1000
Subject: [PATCH 2/5] Expand comments

---
 examples/ads1x15_fast_read.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/ads1x15_fast_read.py b/examples/ads1x15_fast_read.py
index e585415..5e68498 100644
--- a/examples/ads1x15_fast_read.py
+++ b/examples/ads1x15_fast_read.py
@@ -31,6 +31,7 @@
 # Read the same channel over and over
 for i in range(SAMPLES):
     data[i] = chan0.value
+    # Detect repeated values due to over polling
     if data[i] == data[i-1]:
         repeats += 1
 
@@ -40,7 +41,7 @@
 
 rate_reported = SAMPLES / total_time
 rate_actual = (SAMPLES-repeats) / total_time
-# NOTE: cannot detect conversion rates higher than polling rate
+# NOTE: leave input floating to pickup some random noise, this cannot estimate conversion rates higher than polling rate
 
 print("Took {:5.3f} s to acquire {:d} samples.".format(total_time, SAMPLES))
 print("")

From 2de02e0e36870bf33c3c892d8d4e50a5a41f50a6 Mon Sep 17 00:00:00 2001
From: WizardTim <43670403+WizardTim@users.noreply.github.com>
Date: Wed, 2 Dec 2020 09:57:15 +1000
Subject: [PATCH 3/5] Reformat code with psf/black

---
 examples/ads1x15_fast_read.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/ads1x15_fast_read.py b/examples/ads1x15_fast_read.py
index 5e68498..a298aec 100644
--- a/examples/ads1x15_fast_read.py
+++ b/examples/ads1x15_fast_read.py
@@ -32,7 +32,7 @@
 for i in range(SAMPLES):
     data[i] = chan0.value
     # Detect repeated values due to over polling
-    if data[i] == data[i-1]:
+    if data[i] == data[i - 1]:
         repeats += 1
 
 
@@ -40,7 +40,7 @@
 total_time = end - start
 
 rate_reported = SAMPLES / total_time
-rate_actual = (SAMPLES-repeats) / total_time
+rate_actual = (SAMPLES - repeats) / total_time
 # NOTE: leave input floating to pickup some random noise, this cannot estimate conversion rates higher than polling rate
 
 print("Took {:5.3f} s to acquire {:d} samples.".format(total_time, SAMPLES))

From ee9eb68a1012fd44bc84520a4ec4e8b72189f4ea Mon Sep 17 00:00:00 2001
From: WizardTim <43670403+WizardTim@users.noreply.github.com>
Date: Wed, 2 Dec 2020 10:04:44 +1000
Subject: [PATCH 4/5] Fix EOF for psf/black

---
 examples/ads1x15_fast_read.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/examples/ads1x15_fast_read.py b/examples/ads1x15_fast_read.py
index a298aec..335c68c 100644
--- a/examples/ads1x15_fast_read.py
+++ b/examples/ads1x15_fast_read.py
@@ -54,4 +54,3 @@
 print("                      {:9.2%}".format(rate_reported / RATE))
 print("    Repeats         = {:5d}".format(repeats))
 print("    Conversion Rate = {:8.2f} sps   (estimated)".format(rate_actual))
-

From 1f94dafcb1880b60b33a16bb859d25b5a259bb39 Mon Sep 17 00:00:00 2001
From: WizardTim <43670403+WizardTim@users.noreply.github.com>
Date: Wed, 2 Dec 2020 10:22:23 +1000
Subject: [PATCH 5/5] Wrap long line for psf/black

---
 examples/ads1x15_fast_read.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/ads1x15_fast_read.py b/examples/ads1x15_fast_read.py
index 335c68c..801a2c7 100644
--- a/examples/ads1x15_fast_read.py
+++ b/examples/ads1x15_fast_read.py
@@ -41,7 +41,8 @@
 
 rate_reported = SAMPLES / total_time
 rate_actual = (SAMPLES - repeats) / total_time
-# NOTE: leave input floating to pickup some random noise, this cannot estimate conversion rates higher than polling rate
+# NOTE: leave input floating to pickup some random noise
+#       This cannot estimate conversion rates higher than polling rate
 
 print("Took {:5.3f} s to acquire {:d} samples.".format(total_time, SAMPLES))
 print("")