From d7457ddebb80941745ec73b564e9e9cc77dd6c31 Mon Sep 17 00:00:00 2001
From: Florian Jung <flo@windfisch.org>
Date: Tue, 17 Mar 2015 17:59:59 +0100
Subject: cleanup

---
 simple.c | 63 ++++++++++++++++++++++++++-------------------------------------
 1 file changed, 26 insertions(+), 37 deletions(-)

diff --git a/simple.c b/simple.c
index 538d536..813b8fe 100644
--- a/simple.c
+++ b/simple.c
@@ -12,43 +12,26 @@
 
 void ohmd_sleep(double);
 
-// gets float values from the device and prints them
-void print_infof(ohmd_device* hmd, const char* name, int len, ohmd_float_value val)
-{
-	float f[len];
-	ohmd_device_getf(hmd, val, f);
-	printf("%-20s", name);
-	for(int i = 0; i < len; i++)
-		printf("%f ", f[i]);
-	printf("\n");
-}
 
-int main(int argc, char** argv)
+int init_ohmd(ohmd_context** ctx_, ohmd_device** hmd_)
 {
 	ohmd_context* ctx = ohmd_ctx_create();
 
-	// Probe for devices
+	// Probe
 	int num_devices = ohmd_ctx_probe(ctx);
-	if(num_devices < 0){
-		printf("failed to probe devices: %s\n", ohmd_ctx_get_error(ctx));
+	if(num_devices < 0)
+	{
+		printf("device probing failed: %s\n", ohmd_ctx_get_error(ctx));
 		return -1;
 	}
 
-	printf("num devices: %d\n\n", num_devices);
+	printf("i've got %d devices\n\n", num_devices);
 
-	// Print device information
-	for(int i = 0; i < num_devices; i++){
-		printf("device %d\n", i);
-		printf("  vendor:  %s\n", ohmd_list_gets(ctx, i, OHMD_VENDOR));
-		printf("  product: %s\n", ohmd_list_gets(ctx, i, OHMD_PRODUCT));
-		printf("  path:    %s\n\n", ohmd_list_gets(ctx, i, OHMD_PATH));
-	}
-
-	// Open default device (0)
 	ohmd_device* hmd = ohmd_list_open_device(ctx, 0);
 	
-	if(!hmd){
-		printf("failed to open device: %s\n", ohmd_ctx_get_error(ctx));
+	if(!hmd)
+	{
+		printf("open failed! %s\n", ohmd_ctx_get_error(ctx));
 		return -1;
 	}
 
@@ -58,22 +41,26 @@ int main(int argc, char** argv)
 	ohmd_device_geti(hmd, OHMD_SCREEN_VERTICAL_RESOLUTION, ivals + 1);
 	printf("resolution:         %i x %i\n", ivals[0], ivals[1]);
 
-	print_infof(hmd, "hsize:",            1, OHMD_SCREEN_HORIZONTAL_SIZE);
-	print_infof(hmd, "vsize:",            1, OHMD_SCREEN_VERTICAL_SIZE);
-	print_infof(hmd, "lens separation:",  1, OHMD_LENS_HORIZONTAL_SEPARATION);
-	print_infof(hmd, "lens vcenter:",     1, OHMD_LENS_VERTICAL_POSITION);
-	print_infof(hmd, "left eye fov:",     1, OHMD_LEFT_EYE_FOV);
-	print_infof(hmd, "right eye fov:",    1, OHMD_RIGHT_EYE_FOV);
-	print_infof(hmd, "left eye aspect:",  1, OHMD_LEFT_EYE_ASPECT_RATIO);
-	print_infof(hmd, "right eye aspect:", 1, OHMD_RIGHT_EYE_ASPECT_RATIO);
-	print_infof(hmd, "distortion k:",     6, OHMD_DISTORTION_K);
+	*ctx_=ctx;
+	*hmd_=hmd;
+}
+
+int main(int argc, char** argv)
+{
+	ohmd_context* ctx;
+	ohmd_device* hmd;
 
-	printf("\n");
+	init_ohmd(&ctx,&hmd);
 
 	// Ask for n rotation quaternions
 	for(int i = 0; i < 10000; i++){
 		ohmd_ctx_update(ctx);
-		print_infof(hmd, "rotation quat:", 4, OHMD_ROTATION_QUAT);
+
+		float quat[4];
+		ohmd_device_getf(hmd, OHMD_ROTATION_QUAT, quat);
+		printf("quat:\t %f\t%f\t%f\t%f\n", quat[0],quat[1],quat[2],quat[3]);
+
+
 		ohmd_sleep(.01);
 	}
 
@@ -81,3 +68,5 @@ int main(int argc, char** argv)
 	
 	return 0;
 }
+
+
-- 
cgit v1.2.1