ROSBuzz_MISTLab/buzz_scripts/include/vstigenv.bzz

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########################################
#
# FLEET V.STIGMERGY-RELATED FUNCTIONS
#
########################################
#
# Constants
#
STATUS_VSTIG = 20
GROUND_VSTIG = 21
HIGHEST_ROBOTID = 14
WAIT4STEP = 10
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#
# Init var
#
var v_status = {}
var v_ground = {}
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b_updating = 0
vstig_counter = WAIT4STEP
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function init_swarm() {
s = swarm.create(1)
s.join()
}
function init_stig() {
v_status = stigmergy.create(STATUS_VSTIG)
v_ground = stigmergy.create(GROUND_VSTIG)
}
function uav_updatestig() {
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# TODO: Push values on update only.
if(vstig_counter<=0) {
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b_updating=1
#var ls={.1=0,.2=battery.capacity,.3=xbee_status.rssi,.4=flight.status}
ls = 50*1000000 + battery.capacity*1000 + xbee_status.rssi*10 + flight.status
log("Pushing ", ls, "on vstig with id:", id)
v_status.put(id, ls)
vstig_counter=WAIT4STEP
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} else {
b_updating=0
vstig_counter=vstig_counter-1
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}
}
function unpackstatus(recv_value){
gps=(recv_value-recv_value%1000000)/1000000
recv_value=recv_value-gps*1000000
batt=(recv_value-recv_value%1000)/1000
recv_value=recv_value-batt*1000
xbee=(recv_value-recv_value%10)/10
recv_value=recv_value-xbee*10
fc=recv_value
log("- GPS ", gps)
log("- Battery ", batt)
log("- Xbee ", xbee)
log("- Status ", fc)
}
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function checkusers() {
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# Read a value from the structure
if(size(users)>0)
log("Got a user!")
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# log(users)
# users_print(users.dataG)
# if(size(users.dataG)>0)
# vt.put("p", users.dataG)
# Get the number of keys in the structure
# log("The vstig has ", vt.size(), " elements")
# users_save(vt.get("p"))
# table_print(users.dataL)
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}
function users_save(t) {
if(size(t)>0) {
foreach(t, function(id, tab) {
#log("id: ",id," Latitude ", tab.la, "Longitude ", tab.lo)
add_user_rb(id,tab.la,tab.lo)
})
}
}
# printing the contents of a table: a custom function
function usertab_print(t) {
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if(size(t)>0) {
foreach(t, function(u, tab) {
log("id: ",u," Range ", tab.r, "Bearing ", tab.b)
})
}
}
function stattab_print() {
if(v_status.size()>0) {
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if(b_updating==0) {
u=0
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while(u<HIGHEST_ROBOTID){
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tab = v_status.get(u)
if(tab!=nil)
unpackstatus(tab)
u=u+1
}
}
}
}
function stattab_send() {
if(v_status.size()>0) {
if(b_updating==0) {
u=0
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while(u<HIGHEST_ROBOTID){
tab = v_status.get(u)
if(tab!=nil){
recv_value=tab
gps=(recv_value-recv_value%1000000)/1000000
recv_value=recv_value-gps*1000000
batt=(recv_value-recv_value%1000)/1000
recv_value=recv_value-batt*1000
xbee=(recv_value-recv_value%10)/10
recv_value=recv_value-xbee*10
fc=recv_value
add_neighborStatus(u,gps,batt,xbee,fc)
}
u=u+1
}
}
}
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}