sync

C/Adidas/shared/encode.h

@@ -0,0 +1,33 @@
+#ifndef ENCODE_H_
+#define ENCODE_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+
+/*!
+ * Split a byte 'value' into two nibbles (4-bits) named 'low' and 'high'.
+ * See assignment for more details.
+ *
+ * @param value: A byte that will be encoded.
+ * @param low:   The address to which the 4 least-significant-bits
+ *               of 'value' will be written.
+ * @param high:  The address to which the 4 most-significant-bits
+ *               of 'value' will be written.
+ */
+void encode_get_nibbles(uint8_t value, uint8_t* high, uint8_t* low);
+
+/*!
+ * Encodes a the byte 'value' into two bytes named 'low' and 'high'.
+ * The encoded bytes contain the parity bits. See assignment for more details.
+ *
+ * @param value: A byte that will be encoded.
+ * @param low:   The address to which the encoded value of the
+ *               4 least-significant-bits of 'value' will be written.
+ * @param high:  The address to which the encoded value of the
+ *               4 most-significant-bits of 'value' will be written.
+ */
+void encode_value(uint8_t input, uint8_t* high, uint8_t* low);
+
+uint8_t encode_nibble(uint8_t nibble);
+
+#endif