Shao Rui
123487
Dependencies: mbed-dev-f303 FastPWM3
Diff: math_ops.cpp
- Revision:
- 26:2b865c00d7e9
- Parent:
- 25:f5741040c4bb
- Child:
- 34:51647c6c500d
diff -r f5741040c4bb -r 2b865c00d7e9 math_ops.cpp
--- a/math_ops.cpp Sun Apr 09 03:05:52 2017 +0000
+++ b/math_ops.cpp Mon May 01 15:22:58 2017 +0000
@@ -30,3 +30,15 @@
*y = *y * limit/norm;
}
}
+
+int float_to_uint(float x, float x_min, float x_max, int bits){
+ float span = x_max - x_min;
+ float offset = x_min;
+ return (int) ((x+offset)*((float)((1<<bits)-1))/span);
+ }
+
+float uint_to_float(int x_int, float x_min, float x_max, int bits){
+ float span = x_max - x_min;
+ float offset = x_min;
+ return ((float)x_int)*span/((float)((1<<bits)-1)) + offset;
+ }