不韋 呂 / Mbed 2 deprecated UIT2_SinGenerator_SinFunction

Sin generator using sinf() function for ST Nucleo F401RE.

Dependencies:   UIT_ADDA mbed

Diff: main.cpp

Revision:
1:920c46269ce8
Parent:
0:28696920540e
Child:
3:52173c01cb98
--- a/main.cpp	Tue Oct 21 10:00:13 2014 +0000
+++ b/main.cpp	Tue Oct 21 12:52:20 2014 +0000
@@ -1,7 +1,7 @@
 //--------------------------------------------------------------
 // Sin generator using sinf() function
 //      Analog Output: MCP4922 using SPI
-// 2014/10/20, Copyright (c) 2014 MIKAMI, Naoki
+// 2014/10/21, Copyright (c) 2014 MIKAMI, Naoki
 //--------------------------------------------------------------
 
 #include "mbed.h"
@@ -18,7 +18,7 @@
 
 int main()
 {
-    const float PI = 3.1415926536;
+    const float PI = 3.141593f;
     const float PI2 = PI*2;
     ScfClockTim3(500000);       // cutoff frequency: 5 kHz