From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit
---
Marlin/src/HAL/ESP32/i2s.h | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 Marlin/src/HAL/ESP32/i2s.h
(limited to 'Marlin/src/HAL/ESP32/i2s.h')
diff --git a/Marlin/src/HAL/ESP32/i2s.h b/Marlin/src/HAL/ESP32/i2s.h
new file mode 100644
index 0000000..573b983
--- /dev/null
+++ b/Marlin/src/HAL/ESP32/i2s.h
@@ -0,0 +1,35 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+#pragma once
+
+#include
+
+// current value of the outputs provided over i2s
+extern uint32_t i2s_port_data;
+
+int i2s_init();
+
+uint8_t i2s_state(uint8_t pin);
+
+void i2s_write(uint8_t pin, uint8_t val);
+
+void i2s_push_sample();
--
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