Mercurial > hg > fxanalyse
changeset 264:a40c8af8b028
Improve fake data generator used in testing
| author | Daniele Nicolodi <daniele.nicolodi@obspm.fr> |
|---|---|
| date | Tue, 16 Jun 2015 17:38:30 +0200 |
| parents | 8d9a4c5eb7a4 |
| children | da38cbbc7ec8 |
| files | fake-data-provider.c |
| diffstat | 1 files changed, 25 insertions(+), 4 deletions(-) [+] |
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--- a/fake-data-provider.c Tue Jun 16 17:19:15 2015 +0200 +++ b/fake-data-provider.c Tue Jun 16 17:38:30 2015 +0200 @@ -8,13 +8,15 @@ #include "data-provider.h" #define PERIOD 1.0 -#define INCREMENT 0.1 -#define NOISE 0.25 +#define NOISE 0.01 +#define SLOPE 0.1 +#define BADPOINTS 0.01 +#define UNLOCK 100 int CVICALLBACK FakeDataProvider (void *functionData) { - int i, mainThreadId; + int i, mainThreadId, random, count = 0; double mark; struct event event = { 0, }; double f[NCHAN] = { 55000000.0, 10000.0, 10000.0, 275000.0 }; @@ -28,16 +30,34 @@ /* update data */ gettimeofday(&event.time, NULL); - f[0] += INCREMENT; for (i = 0; i < NCHAN; i++) event.data[i] = f[i]; +#ifdef SLOPE + /* add frequency drift */ + f[0] += SLOPE; + f[2] += SLOPE * 10; +#endif + #ifdef NOISE /* add noise */ GaussNoise(NCHAN, NOISE, -1, noise); for (i = 0; i < NCHAN; i++) event.data[i] += noise[i]; #endif + +#ifdef BADPOINTS + /* simulate bad points */ + random = rand(); + if (random > BADPOINTS * RAND_MAX) + event.data[i] += 1000 * random; +#endif + +#ifdef UNLOCK + /* simulate unlock */ + if (count > UNLOCK) + f[0] += 10; +#endif /* push data into the data queue */ CmtWriteTSQData(dataQueue, &event, 1, TSQ_INFINITE_TIMEOUT, 0); @@ -46,5 +66,6 @@ SyncWait(mark, PERIOD); } + count++; return 0; }