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#include "stdio.h"
#include "stdlib.h"
#include "tslib.h"
struct tsdev *ts = NULL;
int InitTouchScreen(void) {
// Taken directly from tslib test sources, slightly modifed
char *tsdevice = NULL;
if( (tsdevice = getenv("TSLIB_TSDEVICE")) != NULL ) {
ts = ts_open(tsdevice, 1);
} else {
ts = ts_open("/dev/input/event0", 1);
}
if (!ts) {
perror("ts_open");
return 0;
}
if (ts_config(ts)) {
perror("ts_config");
return 0;
}
return 1;
}
void DeInitTouchScreen(void) {
// Nothing to do
}
// return -1 on error, else pressure value
int getTouchScreen(int *x, int *y) {
struct ts_sample tsdata;
if (ts == NULL) return -1;
if (ts_read(ts, &tsdata, 1) != 1) return -1;
*x = tsdata.x;
*y = tsdata.y;
return tsdata.pressure;
}
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