Changeset 1161

Timestamp:

04/30/11 02:02:53 (2 years ago)

Author:

reyalP

Message:

sx130 - stop get_effective_focal_length value from overflowing and displaying negative values - from philmoz in ​http://chdk.setepontos.com/index.php?topic=650.msg65669#msg65669

File:

• trunk/platform/sx130is/main.c (modified) (1 diff)

trunk/platform/sx130is/main.c

@@ -46 +46 @@
 
 // SX130 focal lenght range 5.0 - 60 mm (35 mm equivalent: 28 - 336 mm)(1/2.3" Type CCD, Scale Factor To 35 mm Equivalent: 5.6)
-// 28/5.0*10000=56000
-// 336/60*10000=56000
-#define CF_EFL 56000
+// 28/5.0*100=560
+// 336/60*100=560
+#define CF_EFL 560
 
 const int zoom_points = 128;
 
 int get_effective_focal_length(int zp) {
-    return (CF_EFL*get_focal_length(zp))/10000;
+    return (CF_EFL*get_focal_length(zp))/100;
 }