1 files changed, 47 insertions, 0 deletions
diff --git a/src/touchscreen.c b/src/touchscreen.c
new file mode 100644
index 0000000..90e0b81
--- /dev/null
+++ b/src/touchscreen.c
@@ -0,0 +1,47 @@
+#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;
+} 
+