1 files changed, 72 insertions, 2 deletions
diff --git a/shared/protocol.h b/shared/protocol.h
index b400252..b0602cf 100644
--- a/shared/protocol.h
+++ b/shared/protocol.h
@@ -1,7 +1,18 @@
 #pragma once
 
-#define W2_CMDDIR_RX (0)
-#define W2_CMDDIR_TX (1)
+#include <stdint.h>
+#include <stdlib.h>
+#include <memory.h>
+
+#include "bin.h"
+
+#define W2_SERIAL_START_BYTE 0xff
+
+#define W2_CMDDIR_RX 0
+#define W2_CMDDIR_TX 1
+
+#define W2_CMD_CODE_MASK (~1)
+#define W2_CMD_DIRECTION_MASK (1)
 
 enum w2_e_serial_commands {
 	/** ping command */
@@ -33,3 +44,62 @@ enum w2_e_serial_commands {
 	/** control leds command */
 	W2_CMD_CLED = 0x1a,
 };
+
+// TODO
+// array met indicies die structs opslaan met eigenschappen over de protocol bericht
+//
+// belangrijke eigenschappen:
+// lengte!!!
+// generic struct (voor parsen)
+// parse functie
+// dump functie
+// 
+//
+// als het kan deze allemaal met macro's op deze manier definieren:
+//
+#define W2_PROTOCOL_CMD(name, direction, ...)
+#define W2_PROTOCOL_DEFINE(a)
+#define W2_PROTOCOL_DECLARE(a)
+#define W2_PROTOCOL_PROP(type, name)
+
+#define W2_CMDDIR_NAME_0 rx
+#define W2_CMDDIR_NAME_1 tx
+
+#define W2_CMDDIR(dir) W2_CMDDIR_NAME_##dir
+
+#define W2_PROTOCOL_UINT8_T
+#define W2_PROTOCOL_UINT16_T
+#define W2_PROTOCOL_UINT32_T
+#define W2_PROTOCOL_INT8_T
+#define W2_PROTOCOL_INT16_T
+#define W2_PROTOCOL_INT32_T
+
+#define W2_PROTOCOL_UINT8_T_TYPE          uint8_t
+#define W2_PROTOCOL_UINT16_T_TYPE         uint16_t
+#define W2_PROTOCOL_UINT32_T_TYPE         uint32_t
+#define W2_PROTOCOL_INT8_T_TYPE           int8_t
+#define W2_PROTOCOL_INT16_T_TYPE          int16_t
+#define W2_PROTOCOL_INT32_T_TYPE          int32_t
+
+#define W2_PROTOCOL_UINT8_T_SIZE  1
+#define W2_PROTOCOL_UINT16_T_SIZE 2
+#define W2_PROTOCOL_UINT32_T_SIZE 4
+#define W2_PROTOCOL_INT8_T_SIZE   1
+#define W2_PROTOCOL_INT16_T_SIZE  2
+#define W2_PROTOCOL_INT32_T_SIZE  4
+
+#define W2_PROTOCOL_CMD_PING_RX \
+W2_PROTOCOL_CMD(ping, W2_CMDDIR_RX, \
+	W2_PROTOCOL_PROP(W2_PROTOCOL_UINT8_T, opcode) \
+	W2_PROTOCOL_PROP(W2_PROTOCOL_UINT8_T, id) \
+)
+
+W2_PROTOCOL_DECLARE(W2_PROTOCOL_CMD_PING_RX)
+
+typedef struct {
+	uint8_t opcode;
+	uint8_t id;
+} w2_s_cmd_ping_rx;
+
+w2_s_cmd_ping_rx *w2_protocol_parse_cmd_ping_rx(w2_s_bin *data);
+