/***************************************************************************************************
* @fn MT_TransportSend
*
* @brief Fill in SOP and FCS then send out the msg
*
* @param uint8 *pBuf - pointer to the message that contains CMD, length, data and FCS
*
* @return None
***************************************************************************************************/
void MT_TransportSend(uint8 *pBuf)
{
uint8 *msgPtr;
uint8 dataLen = pBuf[0]; /* Data length is on byte #1 from the pointer */
/* Move back to the SOP */
msgPtr = pBuf-1;
/* Insert SOP */
msgPtr[0] = MT_UART_SOF;
/* Insert FCS */
msgPtr[SPI_0DATA_MSG_LEN - 1 + dataLen] = MT_UartCalcFCS (pBuf, (3 + dataLen));
/* Send to UART */
#ifdef MT_UART_DEFAULT_PORT
HalUARTWrite(MT_UART_DEFAULT_PORT, msgPtr, dataLen + SPI_0DATA_MSG_LEN);
#endif
/* Deallocate */
osal_msg_deallocate(msgPtr);
}
/***************************************************************************************************
* @fn MT_UartProcessZToolData
*
* @brief | SOP | Data Length | CMD | Data | FCS |
* | 1 | 1 | 2 | 0-Len | 1 |
*
* Parses the data and determine either is SPI or just simply serial data
* then send the data to correct place (MT or APP)
*
* @param port - UART port
* event - Event that causes the callback
*
*
* @return None
***************************************************************************************************/
void MT_UartProcessZToolData ( uint8 port, uint8 event )
{
uint8 ch;
uint8 bytesInRxBuffer;
(void)event; // Intentionally unreferenced parameter
while (Hal_UART_RxBufLen(port))
{
HalUARTRead (port, &ch, 1);
switch (state)
{
case SOP_STATE:
if (ch == MT_UART_SOF)
state = LEN_STATE;
break;
case LEN_STATE:
LEN_Token = ch;
tempDataLen = 0;
/* Allocate memory for the data */
pMsg = (mtOSALSerialData_t *)osal_msg_allocate( sizeof ( mtOSALSerialData_t ) +
MT_RPC_FRAME_HDR_SZ + LEN_Token );
if (pMsg)
{
/* Fill up what we can */
pMsg->hdr.event = CMD_SERIAL_MSG;
pMsg->msg = (uint8*)(pMsg+1);
pMsg->msg[MT_RPC_POS_LEN] = LEN_Token;
state = CMD_STATE1;
}
else
{
state = SOP_STATE;
return;
}
break;
case CMD_STATE1:
pMsg->msg[MT_RPC_POS_CMD0] = ch;
state = CMD_STATE2;
break;
case CMD_STATE2:
pMsg->msg[MT_RPC_POS_CMD1] = ch;
/* If there is no data, skip to FCS state */
if (LEN_Token)
{
state = DATA_STATE;
}
else
{
state = FCS_STATE;
}
break;
case DATA_STATE:
/* Fill in the buffer the first byte of the data */
pMsg->msg[MT_RPC_FRAME_HDR_SZ + tempDataLen++] = ch;
/* Check number of bytes left in the Rx buffer */
bytesInRxBuffer = Hal_UART_RxBufLen(port);
/* If the remain of the data is there, read them all, otherwise, just read enough */
if (bytesInRxBuffer <= LEN_Token - tempDataLen)
{
HalUARTRead (port, &pMsg->msg[MT_RPC_FRAME_HDR_SZ + tempDataLen], bytesInRxBuffer);
tempDataLen += bytesInRxBuffer;
}
else
{
HalUARTRead (port, &pMsg->msg[MT_RPC_FRAME_HDR_SZ + tempDataLen], LEN_Token - tempDataLen);
tempDataLen += (LEN_Token - tempDataLen);
}
/* If number of bytes read is equal to data length, time to move on to FCS */
if ( tempDataLen == LEN_Token )
state = FCS_STATE;
break;
case FCS_STATE:
FSC_Token = ch;
/* Make sure it's correct */
if ((MT_UartCalcFCS ((uint8*)&pMsg->msg[0], MT_RPC_FRAME_HDR_SZ + LEN_Token) == FSC_Token))
{
osal_msg_send( App_TaskID, (byte *)pMsg );
}
else
{
/* deallocate the msg */
osal_msg_deallocate ( (uint8 *)pMsg );
}
/* Reset the state, send or discard the buffers at this point */
state = SOP_STATE;
break;
default:
break;
}
}
}
/***************************************************************************************************
* @fn MT_ProcessIncomingCommand
*
* @brief
*
* Process Event Messages.
*
* @param byte *msg - pointer to event message
*
* @return
***************************************************************************************************/
void MT_ProcessIncomingCommand( mtOSALSerialData_t *msg )
{
byte deallocate;
byte *msg_ptr;
byte len;
/* A little setup for AF, CB_FUNC and MT_SYS_APP_RSP_MSG */
msg_ptr = msg->msg;
deallocate = true;
/* Use the first byte of the message as the command ID */
switch ( msg->hdr.event )
{
case CMD_SERIAL_MSG:
MT_ProcessIncoming(msg->msg);
break;
case CMD_DEBUG_MSG:
MT_ProcessDebugMsg( (mtDebugMsg_t *)msg );
break;
case CB_FUNC:
/*
Build SPI message here instead of redundantly calling MT_BuildSPIMsg
because we have copied data already in the allocated message
*/
/* msg_ptr is the beginning of the intended SPI message */
len = SPI_0DATA_MSG_LEN + msg_ptr[DATALEN_FIELD];
/*
FCS goes to the last byte in the message and is calculated over all
the bytes except FCS and SOP
*/
msg_ptr[len-1] = MT_UartCalcFCS(msg_ptr + 1, (byte)(len-2));
#ifdef MT_UART_DEFAULT_PORT
HalUARTWrite ( MT_UART_DEFAULT_PORT, msg_ptr, len );
#endif
break;
case CMD_DEBUG_STR:
MT_ProcessDebugStr( (mtDebugStr_t *)msg );
break;
#if !defined ( NONWK )
case MT_SYS_APP_RSP_MSG:
len = SPI_0DATA_MSG_LEN + msg_ptr[DATALEN_FIELD];
MTProcessAppRspMsg( msg_ptr, len );
break;
#endif // NONWK
#if defined (MT_UTIL_FUNC)
#if defined ZCL_KEY_ESTABLISH
case ZCL_KEY_ESTABLISH_IND:
MT_UtilKeyEstablishInd((keyEstablishmentInd_t *)msg);
break;
#endif
#endif
#ifdef MT_ZDO_CB_FUNC
case ZDO_STATE_CHANGE:
MT_ZdoStateChangeCB((osal_event_hdr_t *)msg);
break;
#endif
default:
break;
}
if ( deallocate )
{
osal_msg_deallocate( (uint8 *)msg );
}
}
void MT_UartProcessZToolByte ( uint8 ch )
{
switch (state)
{
case SOP_STATE:
if (ch == MT_UART_SOF)
state = LEN_STATE;
break;
case LEN_STATE:
LEN_Token = ch;
tempDataLen = 0;
/* Allocate memory for the data */
pMsg = (mtOSALSerialData_t *)osal_msg_allocate( sizeof ( mtOSALSerialData_t ) +
MT_RPC_FRAME_HDR_SZ + LEN_Token );
if (pMsg)
{
/* Fill up what we can */
pMsg->hdr.event = CMD_SERIAL_MSG;
pMsg->msg = (uint8*)(pMsg+1);
pMsg->msg[MT_RPC_POS_LEN] = LEN_Token;
state = CMD_STATE1;
}
else
{
state = SOP_STATE;
return;
}
break;
case CMD_STATE1:
pMsg->msg[MT_RPC_POS_CMD0] = ch;
state = CMD_STATE2;
break;
case CMD_STATE2:
pMsg->msg[MT_RPC_POS_CMD1] = ch;
/* If there is no data, skip to FCS state */
if (LEN_Token)
{
state = DATA_STATE;
}
else
{
state = FCS_STATE;
}
break;
case DATA_STATE:
/* Fill in the buffer the first byte of the data */
pMsg->msg[MT_RPC_FRAME_HDR_SZ + tempDataLen++] = ch;
/* If number of bytes read is equal to data length, time to move on to FCS */
if ( tempDataLen == LEN_Token )
state = FCS_STATE;
break;
case FCS_STATE:
FSC_Token = ch;
/* Make sure it's correct */
if ((MT_UartCalcFCS ((uint8*)&pMsg->msg[0], MT_RPC_FRAME_HDR_SZ + LEN_Token) == FSC_Token))
{
osal_msg_send( App_TaskID, (byte *)pMsg );
}
else
{
/* deallocate the msg */
osal_msg_deallocate ( (uint8 *)pMsg );
}
/* Reset the state, send or discard the buffers at this point */
state = SOP_STATE;
break;
default:
break;
}
}