Reorder client src directories

client/src/wiegand_formatutils.h

@@ -0,0 +1,49 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2018 grauerfuchs
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Weigand card format packing/unpacking support functions
+//-----------------------------------------------------------------------------
+
+#ifndef WIEGAND_FORMATUTILS_H__
+#define WIEGAND_FORMATUTILS_H__
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+// Structure for packed wiegand messages
+// Always align lowest value (last transmitted) bit to ordinal position 0 (lowest valued bit bottom)
+typedef struct {
+    uint8_t Length;   // Number of encoded bits in wiegand message (excluding headers and preamble)
+    uint32_t Top;     // Bits in x<<64 positions
+    uint32_t Mid;     // Bits in x<<32 positions
+    uint32_t Bot;     // Lowest ordinal positions
+} wiegand_message_t;
+
+// Structure for unpacked wiegand card, like HID prox
+typedef struct {
+    uint32_t FacilityCode;
+    uint64_t CardNumber;
+    uint32_t IssueLevel;
+    uint32_t OEM;
+    bool ParityValid; // Only valid for responses
+} wiegand_card_t;
+
+bool get_bit_by_position(wiegand_message_t *data, uint8_t pos);
+bool set_bit_by_position(wiegand_message_t *data, bool value, uint8_t pos);
+
+uint64_t get_linear_field(wiegand_message_t *data, uint8_t firstBit, uint8_t length);
+bool set_linear_field(wiegand_message_t *data, uint64_t value, uint8_t firstBit, uint8_t length);
+
+uint64_t get_nonlinear_field(wiegand_message_t *data, uint8_t numBits, uint8_t *bits);
+bool set_nonlinear_field(wiegand_message_t *data, uint64_t value, uint8_t numBits, uint8_t *bits);
+
+wiegand_message_t initialize_message_object(uint32_t top, uint32_t mid, uint32_t bot);
+
+bool add_HID_header(wiegand_message_t *data);
+
+#endif