From 51f5203c794bfb3aa33b486824873642707541e7 Mon Sep 17 00:00:00 2001
From: DJDevon3 <49322231+DJDevon3@users.noreply.github.com>
Date: Sat, 9 Mar 2024 23:41:30 -0500
Subject: [PATCH] required fix for circuit python 8.x

wake frequency 100000 causes CRC Mismatch failure. setting frequency to 75000 works. confirmed on rp2040 feather and esp32-s3 feather.
---
 examples/atecc_simpletest.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/atecc_simpletest.py b/examples/atecc_simpletest.py
index 088f48e..2dc9169 100644
--- a/examples/atecc_simpletest.py
+++ b/examples/atecc_simpletest.py
@@ -5,8 +5,12 @@
 import busio
 from adafruit_atecc.adafruit_atecc import ATECC, _WAKE_CLK_FREQ
 
+# Set the module wake frequency ping (default 100000)
+atecc_wake_frequency = _WAKE_CLK_FREQ
+# atecc_wake_frequency = 75000  # Recommend 75000 if 100000 does not work
+
 # Initialize the i2c bus
-i2c = busio.I2C(board.SCL, board.SDA, frequency=_WAKE_CLK_FREQ)
+i2c = busio.I2C(board.SCL, board.SDA, frequency=atecc_wake_frequency)
 
 # Initialize a new atecc object
 atecc = ATECC(i2c)