syouichi imamori
LED output example l by Soft PWM.
Fork of
pwmLED
by 
Takemasa Nakamura
main.cpp@0:b3a395ee08f3, 2010-10-17 (annotated)
- Committer:
- suikan
- Date:
- Sun Oct 17 05:53:09 2010 +0000
- Revision:
- 0:b3a395ee08f3
- Child:
- 1:155dd5b24708
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| suikan | 0:b3a395ee08f3 | 1 | /** |
| suikan | 0:b3a395ee08f3 | 2 | * \file main.cpp |
| suikan | 0:b3a395ee08f3 | 3 | * \brief main program |
| suikan | 0:b3a395ee08f3 | 4 | */ |
| suikan | 0:b3a395ee08f3 | 5 | |
| suikan | 0:b3a395ee08f3 | 6 | #include "mbed.h" |
| suikan | 0:b3a395ee08f3 | 7 | #include "math.h" |
| suikan | 0:b3a395ee08f3 | 8 | |
| suikan | 0:b3a395ee08f3 | 9 | // Blink the LED smoothly with PWM. |
| suikan | 0:b3a395ee08f3 | 10 | // Also, this project is test of the math function. |
| suikan | 0:b3a395ee08f3 | 11 | |
| suikan | 0:b3a395ee08f3 | 12 | /** |
| suikan | 0:b3a395ee08f3 | 13 | * \brief LED to control |
| suikan | 0:b3a395ee08f3 | 14 | */ |
| suikan | 0:b3a395ee08f3 | 15 | PwmOut myled(LED1); |
| suikan | 0:b3a395ee08f3 | 16 | |
| suikan | 0:b3a395ee08f3 | 17 | |
| suikan | 0:b3a395ee08f3 | 18 | /** |
| suikan | 0:b3a395ee08f3 | 19 | * \brief main program |
| suikan | 0:b3a395ee08f3 | 20 | */ |
| suikan | 0:b3a395ee08f3 | 21 | int main() { |
| suikan | 0:b3a395ee08f3 | 22 | myled.period_ms( 1 ); |
| suikan | 0:b3a395ee08f3 | 23 | while (1) |
| suikan | 0:b3a395ee08f3 | 24 | for ( int i=0; i<360; i+=10 ) { |
| suikan | 0:b3a395ee08f3 | 25 | myled = cos( i*2.0*3.14/360 ) * 0.5 + 0.5; |
| suikan | 0:b3a395ee08f3 | 26 | wait(0.03); |
| suikan | 0:b3a395ee08f3 | 27 | } |
| suikan | 0:b3a395ee08f3 | 28 | } |