From 84e222feb65cc72d11800f523410c632446e1441 Mon Sep 17 00:00:00 2001
From: Shahzada Khoso <34662908+Khosos@users.noreply.github.com>
Date: Sat, 21 Jan 2023 17:07:00 -0500
Subject: [PATCH] Update I2S.cpp to work with RTCZero library
I2S.cpp configures the clock without specifying what to GLCK->DIVSEL bit. This causes issues when the bit is set to 1 by other libraries such as RTCZero. Explicitly setting this value fixes the problem.
---
libraries/I2S/src/I2S.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/libraries/I2S/src/I2S.cpp b/libraries/I2S/src/I2S.cpp
index a62bc5114..8b0cc3979 100644
--- a/libraries/I2S/src/I2S.cpp
+++ b/libraries/I2S/src/I2S.cpp
@@ -422,6 +422,7 @@ void I2SClass::enableClock(int divider)
GCLK->GENCTRL.bit.ID = _clockGenerator;
GCLK->GENCTRL.bit.SRC = src;
GCLK->GENCTRL.bit.IDC = 1;
+ GCLK->GENCTRL.bit.DIVSEL = 0;
GCLK->GENCTRL.bit.GENEN = 1;
// enable
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