Files
aqhomecontrol/aqhome/msg/node/m_node.c
2025-03-01 15:23:26 +01:00

346 lines
11 KiB
C

/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2025 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.
****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "aqhome/msg/node/m_node.h"
#include "aqhome/msg/node/m_device.h"
#include "aqhome/msg/node/m_recvstats.h"
#include "aqhome/msg/node/m_sendstats.h"
#include "aqhome/msg/node/m_memstats.h"
#include "aqhome/msg/node/m_sysstats.h"
#include "aqhome/msg/node/m_addr.h"
#include "aqhome/msg/node/m_needaddr.h"
#include "aqhome/msg/node/m_ping.h"
#include "aqhome/msg/node/m_pong.h"
#include "aqhome/msg/node/m_reboot.h"
#include "aqhome/msg/node/m_value.h"
#include "aqhome/msg/node/m_flashstart.h"
#include "aqhome/msg/node/m_flashdata.h"
#include "aqhome/msg/node/m_flashend.h"
#include "aqhome/msg/node/m_flashready.h"
#include "aqhome/msg/node/m_flashresponse.h"
#include <gwenhywfar/text.h>
/* ------------------------------------------------------------------------------------------------
* forward declarations
* ------------------------------------------------------------------------------------------------
*/
static uint8_t _calcCrc8Checksum(const uint8_t *ptr, uint8_t len);
/* ------------------------------------------------------------------------------------------------
* implementation
* ------------------------------------------------------------------------------------------------
*/
AQH_MESSAGE *AQH_NodeMessage_new(uint8_t destAddr, uint8_t srcAddr, uint8_t code, uint8_t payloadLen, const uint8_t *payload)
{
AQH_MESSAGE *msg;
uint8_t *ptr;
uint32_t len;
len=AQH_MSG_OFFS_ALL_DATA_BEGIN+payloadLen+1; /* dest, len, code, src, payload, crc8 */
msg=AQH_Message_new();
AQH_Message_SetData(msg, NULL, len); /* auto-malloc len bytes */
ptr=AQH_Message_GetMsgPointer(msg);
ptr[AQH_MSG_OFFS_ALL_DEST_ADDRESS]=destAddr & 0xff;
ptr[AQH_MSG_OFFS_ALL_PAYLOAD_LEN]=payloadLen+2; /* code, src, payload */
ptr[AQH_MSG_OFFS_ALL_MSG_TYPE]=code;
ptr[AQH_MSG_OFFS_ALL_SRC_ADDRESS]=srcAddr;
if (payloadLen && payload)
memmove(ptr+AQH_MSG_OFFS_ALL_DATA_BEGIN, payload, payloadLen);
AQH_Message_SetUsedSize(msg, len-1);
AQH_NodeMessage_AddChecksum(msg);
return msg;
}
AQH_MESSAGE *AQH_NodeMessage_prepare(uint8_t destAddr, uint8_t srcAddr, uint8_t code, uint8_t payloadLen)
{
AQH_MESSAGE *msg;
uint8_t *ptr;
uint32_t len;
len=AQH_MSG_OFFS_ALL_DATA_BEGIN+payloadLen+1; /* dest, len, code, src, payload, crc8 */
msg=AQH_Message_new();
AQH_Message_SetData(msg, NULL, len); /* auto-malloc len bytes */
ptr=AQH_Message_GetMsgPointer(msg);
ptr[AQH_MSG_OFFS_ALL_DEST_ADDRESS]=destAddr & 0xff;
ptr[AQH_MSG_OFFS_ALL_PAYLOAD_LEN]=payloadLen+2; /* code, src, payload */
ptr[AQH_MSG_OFFS_ALL_MSG_TYPE]=code;
ptr[AQH_MSG_OFFS_ALL_SRC_ADDRESS]=srcAddr;
AQH_Message_SetUsedSize(msg, len-1);
return msg;
}
AQH_MESSAGE *AQH_NodeMessage_fromBuffer(const uint8_t *ptr, uint32_t len)
{
if (ptr && len) {
AQH_MESSAGE *msg;
msg=AQH_Message_new();
AQH_Message_SetData(msg, ptr, len);
AQH_Message_SetUsedSize(msg, len);
return msg;
}
return NULL;
}
uint8_t AQH_NodeMessage_GetDestAddress(const AQH_MESSAGE *msg)
{
return AQH_Message_ReadUint8At(msg, AQH_MSG_OFFS_ALL_DEST_ADDRESS, 0);
}
uint8_t AQH_NodeMessage_GetMsgType(const AQH_MESSAGE *msg)
{
return AQH_Message_ReadUint8At(msg, AQH_MSG_OFFS_ALL_MSG_TYPE, 0);
}
uint8_t AQH_NodeMessage_GetSourceAddress(const AQH_MESSAGE *msg)
{
return AQH_Message_ReadUint8At(msg, AQH_MSG_OFFS_ALL_SRC_ADDRESS, 0);
}
uint8_t AQH_NodeMessage_GetPayloadLength(const AQH_MESSAGE *msg)
{
return AQH_Message_ReadUint8At(msg, AQH_MSG_OFFS_ALL_PAYLOAD_LEN, 2)-2; /* minus src addr, command */
}
uint8_t *AQH_NodeMessage_GetPayloadPointer(const AQH_MESSAGE *msg)
{
return msg?(AQH_Message_GetMsgPointer(msg)+AQH_MSG_OFFS_ALL_DATA_BEGIN):NULL;
}
void AQH_NodeMessage_AddChecksum(AQH_MESSAGE *msg)
{
if (msg) {
uint8_t *ptr;
uint32_t msgLenWithoutChecksum;
uint8_t checksum;
ptr=AQH_Message_GetMsgPointer(msg);
msgLenWithoutChecksum=AQH_Message_GetUsedSize(msg);
checksum=_calcCrc8Checksum(ptr, msgLenWithoutChecksum);
AQH_Message_WriteUint8At(msg, msgLenWithoutChecksum, checksum);
AQH_Message_IncUsedSize(msg, 1);
}
}
int AQH_NodeMessage_IsValid(AQH_MESSAGE *msg)
{
if (msg) {
uint8_t *ptr;
uint32_t len;
uint8_t checksum;
ptr=AQH_Message_GetMsgPointer(msg);
len=AQH_Message_GetUsedSize(msg);
checksum=_calcCrc8Checksum(ptr, len);
return (checksum==0)?1:0;
}
return 0;
}
void AQH_NodeMessage_DumpToBuffer(const AQH_MESSAGE *msg, GWEN_BUFFER *dbuf, const char *sText)
{
if (msg) {
GWEN_Buffer_AppendArgs(dbuf,
"0x%02x->0x%02x: %s %d (\"%s\")\n",
AQH_NodeMessage_GetSourceAddress(msg),
AQH_NodeMessage_GetDestAddress(msg),
sText,
AQH_NodeMessage_GetMsgType(msg),
AQH_NodeMessage_MsgTypeToChar(AQH_NodeMessage_GetMsgType(msg)));
GWEN_Text_DumpString2Buffer((const char*)AQH_Message_GetMsgPointer(msg), AQH_Message_GetUsedSize(msg), dbuf, 34);
}
}
const char *AQH_NodeMessage_MsgTypeToChar(uint8_t i)
{
switch(i) {
case AQH_MSG_TYPE_PING: return "Ping";
case AQH_MSG_TYPE_PONG: return "Pong";
case AQH_MSG_TYPE_COMSENDSTATS: return "SendStats";
case AQH_MSG_TYPE_COMRECVSTATS: return "RecvStats";
case AQH_MSG_TYPE_TWIBUSMEMBER: return "TwiBusMember";
case AQH_MSG_TYPE_DEBUG: return "Debug";
case AQH_MSG_TYPE_VALUE: return "Value";
case AQH_MSG_TYPE_VALUE2: return "Value2";
case AQH_MSG_TYPE_NEED_ADDRESS: return "NeedAddress";
case AQH_MSG_TYPE_HAVE_ADDRESS: return "HaveAddress";
case AQH_MSG_TYPE_CLAIM_ADDRESS: return "ClaimAddress";
case AQH_MSG_TYPE_DENY_ADDRESS: return "DenyAddress";
case AQH_MSG_TYPE_ADDRESS_RANGE: return "Range";
case AQH_MSG_TYPE_FLASH_START: return "FlashStart";
case AQH_MSG_TYPE_FLASH_END: return "FlashEnd";
case AQH_MSG_TYPE_FLASH_READY: return "FlashReady";
case AQH_MSG_TYPE_FLASH_DATA: return "FlashData";
case AQH_MSG_TYPE_FLASH_RSP: return "FlashResponse";
case AQH_MSG_TYPE_DEVICE: return "Device";
case AQH_MSG_TYPE_MEMSTATS: return "MemStats";
case AQH_MSG_TYPE_SYSSTATS: return "SysStats";
case AQH_MSG_TYPE_REBOOT_REQ: return "RebootRequest";
case AQH_MSG_TYPE_REBOOT_RSP: return "RebootResponse";
case AQH_MSG_TYPE_VALUE_REPORT: return "ValueReport";
case AQH_MSG_TYPE_VALUE_SET: return "ValueSet";
case AQH_MSG_TYPE_VALUE_SET_ACK: return "ValueSetAck";
case AQH_MSG_TYPE_VALUE_SET_NACK: return "ValueSetNack";
default: return "(unknown)";
}
}
void AQH_NodeMessage_DumpSpecificToBuffer(const AQH_MESSAGE *msg, GWEN_BUFFER *dbuf, const char *sText)
{
if (msg && dbuf) {
switch(AQH_NodeMessage_GetMsgType(msg)) {
case AQH_MSG_TYPE_PING: AQH_PingMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_PONG: AQH_PongMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_COMSENDSTATS: AQH_SendStatsMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_COMRECVSTATS: AQH_RecvStatsMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_NEED_ADDRESS: AQH_AddrMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_HAVE_ADDRESS: AQH_AddrMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_CLAIM_ADDRESS: AQH_AddrMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_DENY_ADDRESS: AQH_AddrMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_FLASH_START: AQH_FlashStartMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_FLASH_END: AQH_FlashEndMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_FLASH_READY: AQH_FlashReadyMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_FLASH_DATA: AQH_FlashDataMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_FLASH_RSP: AQH_FlashResponseMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_DEVICE: AQH_DeviceMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_MEMSTATS: AQH_MemStatsMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_SYSSTATS: AQH_SysStatsMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_REBOOT_REQ: AQH_RebootMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_REBOOT_RSP: AQH_RebootMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_VALUE_REPORT: AQH_ValueMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_VALUE_SET: AQH_ValueMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_VALUE_SET_ACK: AQH_ValueMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_VALUE_SET_NACK: AQH_ValueMessage_DumpToBuffer(msg, dbuf, sText); break;
case AQH_MSG_TYPE_DEBUG:
case AQH_MSG_TYPE_TWIBUSMEMBER:
case AQH_MSG_TYPE_ADDRESS_RANGE:
default: AQH_NodeMessage_DumpToBuffer(msg, dbuf, sText); break;
}
}
}
uint32_t AQH_NodeMessage_GetMsgGroup(uint8_t msgType)
{
switch(msgType) {
case AQH_MSG_TYPE_PING:
case AQH_MSG_TYPE_PONG:
case AQH_MSG_TYPE_COMSENDSTATS:
case AQH_MSG_TYPE_COMRECVSTATS:
case AQH_MSG_TYPE_TWIBUSMEMBER:
case AQH_MSG_TYPE_DEBUG:
case AQH_MSG_TYPE_DEVICE:
case AQH_MSG_TYPE_MEMSTATS:
case AQH_MSG_TYPE_SYSSTATS:
return AQH_MSG_TYPEGROUP_INFO;
case AQH_MSG_TYPE_VALUE:
case AQH_MSG_TYPE_VALUE2:
case AQH_MSG_TYPE_VALUE_REPORT:
case AQH_MSG_TYPE_VALUE_SET:
case AQH_MSG_TYPE_VALUE_SET_ACK:
case AQH_MSG_TYPE_VALUE_SET_NACK:
return AQH_MSG_TYPEGROUP_VALUES;
case AQH_MSG_TYPE_NEED_ADDRESS:
case AQH_MSG_TYPE_HAVE_ADDRESS:
case AQH_MSG_TYPE_CLAIM_ADDRESS:
case AQH_MSG_TYPE_DENY_ADDRESS:
case AQH_MSG_TYPE_ADDRESS_RANGE:
return AQH_MSG_TYPEGROUP_ADDRESS;
case AQH_MSG_TYPE_NET_SET_ACCEPTED_MSGGROUPS:
return AQH_MSG_TYPEGROUP_ADMIN;
case AQH_MSG_TYPE_FLASH_START:
case AQH_MSG_TYPE_FLASH_END:
case AQH_MSG_TYPE_FLASH_READY:
case AQH_MSG_TYPE_FLASH_DATA:
case AQH_MSG_TYPE_FLASH_RSP:
case AQH_MSG_TYPE_REBOOT_REQ:
case AQH_MSG_TYPE_REBOOT_RSP:
return AQH_MSG_TYPEGROUP_FLASH;
default:
return 0;
}
}
uint8_t _calcCrc8Checksum(const uint8_t *ptr, uint8_t len)
{
int i;
uint8_t x=0xff;
for (i=0; i<len; i++, ptr++) {
int j;
x^=*ptr;
for (j=0; j<8; j++) {
if (x & 0x80)
x=(uint8_t) (x<<1)^0x97;
else
x<<=1;
}
}
return x;
}