Lei Lei
/
AUP_Lab3_Interrupt
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Lab3_Interrupt
by 
璇 李
Revision 1:6acc584b5a38, committed 2015-10-31
- Comitter:
- BrentLei
- Date:
- Sat Oct 31 02:43:54 2015 +0000
- Parent:
- 0:37b9817db00a
- Child:
- 2:ebbc2bafeb5f
- Commit message:
- nRF51
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu May 21 02:23:41 2015 +0000
+++ b/main.cpp Sat Oct 31 02:43:54 2015 +0000
@@ -2,9 +2,7 @@
PwmOut led(D5);
InterruptIn button_up(A2);
-InterruptIn button_center(D4);
InterruptIn button_down(A3);
-Serial pc(SERIAL_TX, SERIAL_RX);
double brightness = 1.0;
double brightness_inc = 0.1;
@@ -19,32 +17,13 @@
brightness += brightness_inc;
}
-void press_center()
-{
- brightness = (brightness>0.5)?1.0:0.0;
-}
-
-void serial_in()
-{
- char ch = getc(pc);
- if(ch < '0' || ch > '9')
- pc.printf("Please input a number between 0 to 9.\r\n");
- else
- brightness = 1 - (ch - '0') / 10.0;
-}
-
int main()
{
- pc.baud(9600);
- pc.attach(&serial_in);
- pc.printf("Hello PWM!\r\n");
- pc.printf("Please input a number between 0 to 9.\r\n");
// Set PWM
led.write(brightness);
button_up.fall(&press_up);
button_down.fall(&press_down);
- button_center.fall(&press_center);
while (1) {
brightness = (brightness>1.0)?0.0:brightness;