make sound work

2025-08-16 23:06:15 +02:00
parent b71c83a5ca
commit f7c5959b0a
58 changed files with 25933 additions and 25820 deletions
@@ -0,0 +1,42 @@
+/* crc.h
+Copyright 2021 Carl John Kugler III
+
+Licensed under the Apache License, Version 2.0 (the License); you may not use 
+this file except in compliance with the License. You may obtain a copy of the 
+License at
+
+   http://www.apache.org/licenses/LICENSE-2.0 
+Unless required by applicable law or agreed to in writing, software distributed 
+under the License is distributed on an AS IS BASIS, WITHOUT WARRANTIES OR 
+CONDITIONS OF ANY KIND, either express or implied. See the License for the 
+specific language governing permissions and limitations under the License.
+*/
+/* Derived from:
+ * SD/MMC File System Library
+ * Copyright (c) 2016 Neil Thiessen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SD_CRC_H
+#define SD_CRC_H
+
+#include <stddef.h>
+    
+char crc7(const char* data, int length);
+unsigned short crc16(const char* data, int length);
+void update_crc16(unsigned short *pCrc16, const char data[], size_t length);
+
+#endif
+
+/* [] END OF FILE */