aqhome: Improved serial port handling, added parsers for different msg types.

aqhome/msg.h

@@ -0,0 +1,72 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_MSG_H
+#define AQH_MSG_H
+
+
+#define AQH_MAXMSGSIZE 16
+
+#include <aqhome/api.h>
+
+#include <gwenhywfar/list.h>
+
+
+
+#define AQH_MSG_OFFS_ALL_DEST_ADDRESS  0
+#define AQH_MSG_OFFS_ALL_PAYLOAD_LEN   1
+#define AQH_MSG_OFFS_ALL_PAYLOAD_BEGIN 2
+#define AQH_MSG_OFFS_ALL_MSG_TYPE      2
+#define AQH_MSG_OFFS_ALL_SRC_ADDRESS   3
+#define AQH_MSG_OFFS_ALL_DATA_BEGIN    4
+
+
+#define AQH_MSG_TYPE_PING          10
+#define AQH_MSG_TYPE_PONG          11
+#define AQH_MSG_TYPE_COMSENDSTATS  20
+#define AQH_MSG_TYPE_COMRECVSTATS  21
+#define AQH_MSG_TYPE_I2CBUSMEMBER  30
+#define AQH_MSG_TYPE_DEBUG         40
+#define AQH_MSG_TYPE_VALUE         50
+#define AQH_MSG_TYPE_NEED_ADDRESS  60
+#define AQH_MSG_TYPE_HAVE_ADDRESS  61
+
+
+
+
+typedef struct AQH_MSG AQH_MSG;
+GWEN_LIST_FUNCTION_LIB_DEFS(AQH_MSG, AQH_Msg, AQHOME_API)
+
+
+AQHOME_API AQH_MSG *AQH_Msg_new();
+AQHOME_API void AQH_Msg_free(AQH_MSG *msg);
+
+AQHOME_API uint8_t *AQH_Msg_GetBuffer(AQH_MSG *msg);
+AQHOME_API const uint8_t *AQH_Msg_GetConstBuffer(const AQH_MSG *msg);
+AQHOME_API uint8_t AQH_Msg_GetBytesInBuffer(const AQH_MSG *msg);
+AQHOME_API uint8_t AQH_Msg_GetCurrentPos(const AQH_MSG *msg);
+AQHOME_API int AQH_Msg_AddByte(AQH_MSG *msg, uint8_t b);
+AQHOME_API int AQH_Msg_ReadNextByte(AQH_MSG *msg);
+AQHOME_API int AQH_Msg_IncCurrentPos(AQH_MSG *msg, uint8_t i);
+AQHOME_API int AQH_Msg_GetRemainingBytes(const AQH_MSG *msg);
+AQHOME_API int AQH_Msg_RewindCurrentPos(AQH_MSG *msg);
+
+AQHOME_API uint8_t AQH_Msg_GetDestAddress(const AQH_MSG *msg);
+AQHOME_API uint8_t AQH_Msg_GetMsgType(const AQH_MSG *msg);
+AQHOME_API uint8_t AQH_Msg_GetSourceAddress(const AQH_MSG *msg);
+AQHOME_API uint8_t AQH_Msg_GetMsgPayloadLen(const AQH_MSG *msg);
+
+AQHOME_API int AQH_Msg_IsMsgComplete(const AQH_MSG *msg);
+AQHOME_API int AQH_Msg_IsChecksumValid(const AQH_MSG *msg);
+AQHOME_API int AQH_Msg_AddChecksum(AQH_MSG *msg);
+
+
+#endif
+
+
+