WSN Labs ver4 -...

BaseStation

BaseStation sensor PC

1. nesCtask TinyOSprovidesatwolevelschedulinghierarchyconsistingoftasksand

hardwareeventhandlers.

Tasksareusedtoperformlongerprocessingoperations,suchasbackgrounddataprocessing,andcanbepreemptedbyhardwareeventhandler.

Ataskisdeclaredinyourimplementationmoduleusingthesyntax: taskvoidtaskname(){...}

Todispatchataskfor(later)execution,usethesyntax: posttaskname();

2. BaseStation

PC UART BaseStation broadcast Radio BaseStation UART

PC

queue UART radio

message_t uartQueueBufs[UART_QUEUE_LEN];

uint8_t uartIn,uartOut;

bool uartBusy,uartFull;

message_t radioQueueBufs[RADIO_QUEUE_LEN];

uint8_t radioIn,radioOut;

bool radioBusy,radioFull;

RadioReceice Radio

UART UARTSendTask URATSend

uartQueueBufs

UARTSendTask

UARTReceice UART

3. sensor sensor BaseStation PC USB

4. sensorBlinkToRadionodeid BaseStation sensor

nodeid makeoctopus ($input

id)

nodeid 1 2(

$input 1 2)\build\octopus

main.out1.ihex main.out2.ihex

sensor

tossetsymbolsobjcopymsp430objcopyobjdumpmsp430objdumptargetihexbuild/octopus/main.ihex

build/octopus/main.out$input.ihexTOS_NODE_ID=$input

5. sensor

cygwin Listen BaseStation UART Sensor1 Sensor2