Added int cast to handle arithmetic correctly

2014-02-21 12:50:29 +01:00 · 2014-02-21 12:50:29 +01:00 · 983cff56b3
parent 06b69b70a5
commit 983cff56b3
1 changed files with 1 additions and 1 deletions
--- a/src/modules/px4iofirmware/dsm.c
+++ b/src/modules/px4iofirmware/dsm.c
@ -387,7 +387,7 @@ dsm_decode(hrt_abstime frame_time, uint16_t *values, uint16_t *num_values)
 		 */

 		/* scaled integer for decent accuracy while staying efficient */
-		value = (((value - 1024) * 1000) / 1700) + 1500;
+		value = ((((int)value - 1024) * 1000) / 1700) + 1500;

 		/*
 		 * Store the decoded channel into the R/C input buffer, taking into