Yoshiyuki Takahashi
/
Y_02
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Fork of
Y_01
by 
Yoshiyuki Takahashi
Revision 2:ce41adf02350, committed 2015-02-18
- Comitter:
- seethe
- Date:
- Wed Feb 18 06:44:13 2015 +0000
- Parent:
- 1:80eb2d3e5974
- Commit message:
- SinWave
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Wed Feb 18 05:21:23 2015 +0000
+++ b/main.cpp Wed Feb 18 06:44:13 2015 +0000
@@ -3,6 +3,8 @@
#include "mbed.h"
#include "TextLCD.h"
+#define PI 3.1415
+
//TextLCD lcd(p15, p16, p17, p18, p19, p20); // rs, e, d4-d7
TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs, e, d4-d7
AnalogIn in1(p15);
@@ -23,23 +25,25 @@
int main() {
int nCnt;
- double cnt;
+ double rad;
+ double od;
nCnt = 0;
- cnt = 0.1;
+ rad = 0.0;
while(1){
led_blink(nCnt);
nCnt++;
if(nCnt > 3)
nCnt = 0;
- wait(0.1);
- sin(1);
- cnt+=0.1;
- if(cnt>=1.0)
- cnt = 0.1;
- out.write((float)cnt);
- lcd.printf("...\n");
+ wait(0.01);
+
+ od = sin(rad);
+ rad += 0.01;
+ if(rad>(2*PI))
+ rad = 0.0;
+ out.write((float)(0.5*od+0.5));
+ lcd.printf("%.3f\n", od);
lcd.printf("%.2f,.%.2f,%.2f\n", in1.read(), in2.read(), in3.read());
}
}