/**
@brief Send an other-the-air (OTA) debug frame. This contains a
string payload that is displayed on the coordintor end.
*/
void macOtaDebugRequest(u8 *str)
{
if (NODETYPE != COORD)
{
macDataRequestInt(DEFAULT_COORD_ADDR, strlen((char *)str)+1, str, DEBUG_FRAME);
}
}
/**
@brief The macWakeRequest function is called by the coordinator to
send a wakeup packet to a router.
@param addr Short address of the parent router of the node to wake
up.
@param child Short address of the child node to wake up.
*/
void macWakeRequest(u16 addr, u16 child)
{
if (NODETYPE != ENDDEVICE)
{
macDataRequestInt(addr, 2, (u8*)&child, WAKE_NODE);
}
}
/**
The macWakeRequest function is called by the coordinator to
send a wakeup packet to a router.
param: addr Short address of the parent router of the node to wake
up.
param: child Short address of the child node to wake up.
*/
void
macWakeRequest(u16 addr, u16 child)
{
if (NODE_TYPE == ROUTER || NODE_TYPE== COORD)
{
macDataRequestInt(addr, 2, (u8*)&child, WAKE_NODE);
}
}
/**
This function is called when the MAC receives a packet that is
addressed to this node. The packet is dispatched according to its
contents.
*/
void macDataIndication(uint8_t* pFrame)
{
// Sort out the different types of data packets.
ftData *frame = (ftData*)(((rx_frame_t*)pFrame)->data);
/*
#if (__arm__)
volatile s16 queue;
if(fnGetTCP_state(host_socket) == TCP_STATE_ESTABLISHED)
{
if( (frame->fcf != FCF_BEACONREQ) &&
(frame->fcf != FCF_ASSOC_REQ_DIRECT) &&
(frame->fcf != FCF_ASSOC_REQ_IND) )
{
// ACK handling should occur in the tcpListener function in
// rumtask.c.
// fnSendBufTCP returns the number of bytes buffered if successful...
queue = fnSendBufTCP(host_socket, (u8 *)"WIRELESSD", 9, TCP_BUF_SEND);
if(telPrintReading && (queue > 0))
fnDebugMsg("\r\nWIRELESSD buffered for TCP");
else
fnDebugMsg("\r\nWIRELESSD buffer problem");
queue = fnSendBufTCP(host_socket, mac_buffer_rx, mac_buffer_rx[0]+1, TCP_BUF_SEND);
if(telPrintReading && (queue > 0))
fnDebugMsg("\r\nData indication buffered for TCP");
else
fnDebugMsg("\r\nData indication buffer problem");
}
}
#endif
*/
switch (frame->type & 0x7f) // Mask high bit just in case it was somehow missed
{
case DATA_FRAME:
// Plain old data, send it up the chain
appDataIndication();
break;
case DEBUG_FRAME:
// Frame containing debug message, print it on coord
if (NODETYPE == COORD && OTA_DEBUG && DEBUG)
{
debugMsgStr("\r\nNode ");
debugMsgInt(frame->originAddr);
debugMsgStr(": ");
// Remove leading cr/lf's from string
u8 *p = frame->payload;
while (*p)
{
if (*p > ' ')
break;
p++;
}
debugMsgStr((char *)p);
}
break;
case WAKE_NODE:
// Wake up the end node.
if (NODETYPE == ROUTER)
{
u8 addr = ((ftWake*)frame)->addr;
// See if this is from parent or child
if ((((ftWake*)frame)->srcAddr) == macConfig.parentShortAddress)
// Set the flag to wake up the end node when it sends a packet
macWakeChildNode(addr);
}
if (NODETYPE == ENDDEVICE)
{
// Wake yourself up now
macConfig.sleeping = false;
// Send parent a confirmation that we are awake
macDataRequestInt(macConfig.parentShortAddress,
2,
(u8*)&macConfig.shortAddress,
WAKE_NODE);
debugMsgStr("\r\nAwake");
}
break;
case PING_REQ_FRAME:
// We got a ping request, let the app handle that
appPingReq(frame->originAddr);
break;
case PING_RSP_FRAME:
// We got a ping response, app will handle it
appPingRsp(frame->originAddr);
break;
case DROP_CHILD_FRAME:
// Coordinator is telling us to drop a child
if (NODETYPE == ROUTER)
macRemoveChild(*(u16*)(&frame->payload));
break;
case DATA_FRAME_6LOWPAN:
//6lowpan data indication
if (IPV6LOWPAN == 1)
//sixlowpan_DataIndication(frame, *mac_buffer_rx - 16);
sixlowpan_DataIndication(frame, (((rx_frame_t*)pFrame)->length) - 16);
break;
default:
break;
}
}
/**
@brief The macsixlowpanDataRequest function is used to send a
frame over the air to another node. Note that the IPV6LOWPAN flag
must be set to use any 6LoWPAN functionality.
@param addr Short address of the destination node.
@param len The length of the packet in bytes.
@param data Pointer to the data to be sent.
@ingroup avr6lowpan
*/
void macsixlowpanDataRequest(u16 addr, u8 len, u8 * data)
{
if (IPV6LOWPAN == 1)
macDataRequestInt(addr, len, data, DATA_FRAME_6LOWPAN);
}
/**
@brief The macsixlowpanDataRequest function is used to send a frame over
the air to another node. Any node type can call this function.
@param addr Short address of the destination node.
@param len The length of the packet in bytes.
@param data Pointer to the data to be sent.
*/
void macDataRequest(u16 addr, u8 len, u8 * data)
{
macDataRequestInt(addr, len, data, DATA_FRAME);
}
/**
This function is called when the MAC receives a packet that is
addressed to this node. The packet is dispatched according to its
contents.
*/
void
macDataIndication(u16 dest)
{
// Sort out the different types of data packets.
ftData *frame = (ftData*)(mac_buffer_rx+1);
u8 pl_len = *mac_buffer_rx - 16;
#if DEBUG==2
debugMsgStr("\r\nmacDataIndication<-");
#endif
switch (frame->type & 0x7f) // Mask high bit just in case it was somehow missed
{
case DATA_FRAME:
// Data, send it up the chain
appDataIndication(frame->payload, pl_len, (dest == BROADCASTADDR));
break;
case DEBUG_FRAME:
// Frame containing debug message, print it on coord
if (NODE_TYPE == COORD && OTA_DEBUG && DEBUG)
{
debugMsgStr("\r\nNode ");
debugMsgInt(frame->originAddr);
debugMsgStr(": ");
// Remove leading cr/lf's from string
u8 *p = frame->payload;
while (*p)
{
if (*p > ' ')
break;
p++;
}
debugMsgStr_d((char *)p);
}
break;
case WAKE_NODE:
// Wake up the end node.
#if (NODE_TYPE == ROUTER)
{
u8 addr = ((ftWake*)frame)->addr;
// See if this is from parent or child
if ((((ftWake*)frame)->srcAddr) == macConfig.parentShortAddress)
// Set the flag to wake up the end node when it sends a packet
macWakeChildNode(addr);
}
#endif
#if (NODE_TYPE == ENDDEVICE) /* also include BC_ENDDEVICE ?*/
{
// Wake yourself up now
macConfig.sleeping = false;
// Send parent a confirmation that we are awake
macDataRequestInt(macConfig.parentShortAddress,2,
(u8*)&macConfig.shortAddress,WAKE_NODE);
debugMsgStr("\r\nAwake");
}
#endif
break;
case PING_REQ_FRAME:
// We got a ping request, let the app handle that
appPingReq((ftPing *) (mac_buffer_rx+1));
break;
case PING_RSP_FRAME:
// We got a ping response, app will handle it
appPingRsp((ftPing *) (mac_buffer_rx+1));
break;
#if (NODE_TYPE == ROUTER)
case DROP_CHILD_FRAME:
// Coordinator is telling us to drop a child
macRemoveChild(*(u16*)(&frame->payload));
break;
#endif
default:
break;
}
}