Your update() code looks like it should work
to bump down each reading by one on each call.
You could try testing it standalone, put in print
traces, or run in a debugger to see what is really
going on...
MS
CHEN WEIMING wrote:
> Hello, all:
>
> I edited the java code in Oscilloscope to display the data received, in
> the Node class, I have the following function to update data:
>
> void update(int type, int reading) {
> for (int i=Store-1;i>0;i--)
> Data[type][i] = Data[type][i-1];
> Data[type][0] = reading;
> }
>
> but when I tested it, I found that only Data[type][0] is updated, but
> all the following data did not change (from Data[type][1] to
> Data[type][Store - 1]), can someone tell me what is the problem?
> Thanks very much.
>
> The edited Node class:
>
> class Node {
> /*
> * 0 for temperature
> */
> final static int Var = 5; // how many things to measure, tem etc,
> now only measure temperature
> final static int Store = 100; // how many data to store
>
> /* The mote's identifier */
> int id;
>
> int[][] Data = new int[Var][Store];
> //int dataStart, dataEnd;
>
> Node(int _id) {
> id = _id;
> }
>
>
> /* Data received containing NREADINGS samples from messageId *
> NREADINGS
> onwards */
> void update(int type, int reading) {
> for (int i=Store-1;i>0;i--)
> Data[type][i] = Data[type][i-1];
> Data[type][0] = reading;
> }
>
> /* Return value of sample x, or -1 for missing data */
> int getData(int type, int x) {
> if (x < 0 || x >= Store)
> return 0;
>
> if(type<0 || type >= Var)
> return 0;
>
> else
> return Data[type][x];
> }
> /*
> // Return number of last known sample
> int maxX() {
> return 1;
> }
> */
> }
>
>
> Best Regards,
> CHEN WEIMING
>
>
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>
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