144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/****************************************************************************
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* This file is part of the project AqHome.
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* AqHome (c) by 2023 Martin Preuss, all rights reserved.
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*
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* The license for this file can be found in the file COPYING which you
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* should have received along with this file.
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****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <aqhome/ipc/nodes/msg_ipc_value.h>
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#include <gwenhywfar/msg.h>
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#include <gwenhywfar/buffer.h>
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#include <gwenhywfar/misc.h>
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#include <gwenhywfar/list.h>
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#include <gwenhywfar/error.h>
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#include <gwenhywfar/debug.h>
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#include <gwenhywfar/text.h>
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#include <gwenhywfar/msg_ipc.h>
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#define AQH_MSGIPC_VALUE_OFFS_UID 0 /* 4 bytes */
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#define AQH_MSGIPC_VALUE_OFFS_VALUEID 4 /* 1 byte */
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#define AQH_MSGIPC_VALUE_OFFS_VALUETYPE 5 /* 1 byte */
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#define AQH_MSGIPC_VALUE_OFFS_VALUE_NOM 6 /* 2 bytes */
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#define AQH_MSGIPC_VALUE_OFFS_VALUE_DENOM 8 /* 2 bytes */
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#define AQH_MSGIPC_VALUE_MINSIZE (GWEN_MSGIPC_OFFS_PAYLOAD+10)
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GWEN_MSG *AQH_ValueIpcMsg_new(uint16_t code,
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uint32_t uid,
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uint8_t valueId,
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uint8_t valueType,
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int16_t valueNom,
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int16_t valueDenom)
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{
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GWEN_MSG *msg;
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uint8_t *ptr;
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msg=GWEN_IpcMsg_new(AQH_IPC_PROTOCOL_NODES_ID, AQH_IPC_PROTOCOL_NODES_VERSION, code, AQH_MSGIPC_VALUE_MINSIZE, NULL);
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ptr=GWEN_Msg_GetBuffer(msg);
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_UID+0]=uid & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_UID+1]=(uid>>8) & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_UID+2]=(uid>>16) & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_UID+3]=(uid>>24) & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUEID]=valueId;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUETYPE]=valueType;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUE_NOM+0]=valueNom & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUE_NOM+1]=(valueNom>>8) & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUE_DENOM+0]=valueDenom & 0xff;
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ptr[GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUE_DENOM+1]=(valueDenom>>8) & 0xff;
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return msg;
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}
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uint32_t AQH_ValueIpcMsg_GetUid(const GWEN_MSG *msg)
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{
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return GWEN_Msg_GetUint32At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_UID, 0);
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}
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uint8_t AQH_ValueIpcMsg_GetValueId(const GWEN_MSG *msg)
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{
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return GWEN_Msg_GetUint8At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUEID, 0);
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}
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uint8_t AQH_ValueIpcMsg_GetValueType(const GWEN_MSG *msg)
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{
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return GWEN_Msg_GetUint8At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUETYPE, 0);
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}
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int16_t AQH_ValueIpcMsg_GetValueNom(const GWEN_MSG *msg)
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{
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return GWEN_Msg_GetUint16At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUE_NOM, 0);
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}
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int16_t AQH_ValueIpcMsg_GetValueDenom(const GWEN_MSG *msg)
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{
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return GWEN_Msg_GetUint16At(msg, GWEN_MSGIPC_OFFS_PAYLOAD+AQH_MSGIPC_VALUE_OFFS_VALUE_DENOM, 1);
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}
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double AQH_ValueIpcMsg_GetValueAsDouble(const GWEN_MSG *msg)
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{
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if (GWEN_Msg_GetBytesInBuffer(msg)>=AQH_MSGIPC_VALUE_MINSIZE) {
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double nom;
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int16_t rawDenom;
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double denom;
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nom=(double) AQH_ValueIpcMsg_GetValueNom(msg);
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rawDenom=AQH_ValueIpcMsg_GetValueDenom(msg);
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if (rawDenom==0)
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denom=1.0;
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else
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denom=(double) rawDenom;
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return (double)(nom/denom);
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}
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return 0.0;
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}
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void AQH_ValueIpcMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText)
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{
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if (GWEN_Msg_GetBytesInBuffer(msg)>=AQH_MSGIPC_VALUE_MINSIZE) {
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GWEN_Buffer_AppendArgs(dbuf,
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"VALUE (code=%d, proto=%d, proto version=%d, uid=0x%08x, value_id=0x%02x, type=0x%02x, value=%f)\n",
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GWEN_IpcMsg_GetCode(msg),
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GWEN_IpcMsg_GetProtoId(msg),
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GWEN_IpcMsg_GetProtoVersion(msg),
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(unsigned int) AQH_ValueIpcMsg_GetUid(msg),
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AQH_ValueIpcMsg_GetValueId(msg),
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AQH_ValueIpcMsg_GetValueType(msg),
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AQH_ValueIpcMsg_GetValueAsDouble(msg));
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}
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}
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