void RF24Mesh::setAddress(uint8_t nodeID, uint16_t address) {
uint8_t position = addrListTop;
for(uint8_t i=0; i<addrListTop; i++) {
if( addrList[i].nodeID == nodeID) {
position = i;
break;
}
}
addrList[position].nodeID = nodeID;
addrList[position].address = address;
if(position == addrListTop) {
++addrListTop;
addrList = (addrListStruct*)realloc(addrList,(addrListTop + 1) * sizeof(addrListStruct));
}
#if defined (__linux) && !defined(__ARDUINO_X86__)
if(millis()-lastFileSave > 300) {
lastFileSave = millis();
saveDHCP();
}
#endif
}
void RF24Mesh::DHCP(){
if(doDHCP){
doDHCP = 0;
}else{ return; }
RF24NetworkHeader header;
memcpy(&header,network.frame_buffer,sizeof(RF24NetworkHeader));
struct addrResponseStruct{
uint16_t requester;
uint16_t new_address;
} addrResponse;
// Get the unique id of the requester
uint8_t from_id = header.reserved;
if(!from_id){
#ifdef MESH_DEBUG_PRINTF
printf("MSH: Invalid id 0 rcvd\n");
#endif
//network.read(header,0,0);
return;
}
//network.read(header,&addrResponse,sizeof(addrResponse));
memcpy(&addrResponse,network.frame_buffer+sizeof(RF24NetworkHeader),sizeof(addrResponse));
// Get the address of the sender (initial, or intermediary)
uint16_t fwd_by = header.from_node;
uint8_t shiftVal = 0;
if(header.from_node == addrResponse.requester || header.from_node == MESH_DEFAULT_ADDRESS){ //Addresses 01-05
fwd_by = 0; // No forwarding address
}else{ //Addresses 01111-05555
uint16_t m = fwd_by;
uint8_t count = 0;
while(m){ //Octal addresses convert nicely to binary in threes. Address 03 = B011 Address 033 = B011011
m >>= 3; //Find out how many digits are in the octal address
count++;
}
shiftVal = count*3; //Now we know how many bits to shift when adding a child node 1-5 (B001 to B101) to any address
}
#ifdef MESH_DEBUG_PRINTF
// printf("%u MSH: Rcv addr req from_id %d \n",millis(),from_id);
#endif
for(int i=MESH_MAX_CHILDREN; i> 0; i--){ // For each of the possible addresses (5 max)
bool found = 0;
addrResponse.new_address = fwd_by | (i << shiftVal);
if(!addrResponse.new_address ){ /*printf("dumped 0%o\n",addrResponse.new_address);*/ continue; }
for(uint8_t i=0; i < addrListTop; i++){
#if defined (MESH_DEBUG_MINIMAL)
#if !defined (__linux) && !defined ARDUINO_SAM_DUE || defined TEENSY || defined(__ARDUINO_X86__)
Serial.print("ID: ");Serial.print(addrList[i].nodeID,DEC);Serial.print(" ADDR: ");
uint16_t newAddr = addrList[i].address;
char addr[5] = " ", count=3, mask=7;
while(newAddr){
addr[count] = (newAddr & mask)+48; //get the individual Octal numbers, specified in chunks of 3 bits, convert to ASCII by adding 48
newAddr >>= 3;
count--;
}
Serial.println(addr);
#else
printf("ID: %d ADDR: 0%o\n", addrList[i].nodeID,addrList[i].address);
#endif
#endif
if( (addrList[i].address == addrResponse.new_address && addrList[i].nodeID != from_id ) || addrResponse.new_address == MESH_DEFAULT_ADDRESS){
found = 1;
break;
}
}
if(!found){
header.type = NETWORK_ADDR_RESPONSE;
header.to_node = header.from_node;
//This is a routed request to 00
if(header.from_node != addrResponse.requester){ //Is NOT node 01 to 05
delay(2);
if( network.write(header,&addrResponse,sizeof(addrResponse)) ){
//addrMap[from_id] = addrResponse.new_address;
}
}else{
delay(2);
network.write(header,&addrResponse,sizeof(addrResponse),header.to_node);
//addrMap[from_id] = addrResponse.new_address;
}
uint32_t timer=millis();
while(network.update() != MESH_ADDR_CONFIRM){
if(millis()-timer>900){
//printf("No addr confirmation from 0%o\n",header.to_node);
return;
}
}
//printf("Got addr confirmation from 0%o\n",header.to_node);
found = 0;
for(uint8_t i=0; i < addrListTop; i++){
if( addrList[i].nodeID == from_id ){
addrList[i].address = addrResponse.new_address;
found = 1;
#if defined (__linux) && !defined(__ARDUINO_X86__)
if(millis()-lastFileSave > 300){
lastFileSave = millis();
saveDHCP();
}
#endif
break;
}
}
if(!found){
addrList[addrListTop].nodeID = from_id;
addrList[addrListTop].address = addrResponse.new_address;
#if defined (__linux) && !defined(__ARDUINO_X86__)
if(millis()-lastFileSave > 300){
lastFileSave = millis();
saveDHCP();
}
#endif
++addrListTop;
addrList = (addrListStruct*)realloc(addrList,(addrListTop+1) * sizeof(addrListStruct));
}
#ifdef MESH_DEBUG_PRINTF
printf("Sent to 0%o phys: 0%o new: 0%o id: %d\n", header.to_node,addrResponse.requester,addrResponse.new_address,header.reserved);
#endif
break;
}else{
#if defined (MESH_DEBUG_PRINTF)
printf("not allocated\n");
#endif
}
}
//}else{
//break;
//}
}