Zhen Liu
/
HW1_extraC
Extra problem 2 for HW 1
main.cpp
- Committer:
- lzzcd001
- Date:
- 2015-02-18
- Revision:
- 0:a64f45869df3
File content as of revision 0:a64f45869df3:
#include "mbed.h" DigitalOut latch(p15); DigitalOut enable(p16); DigitalIn r(p5); DigitalIn g(p6); DigitalIn b(p7); SPI spi(p11, p12, p13); void RGB_LED(int red, int green, int blue) { unsigned int low_color=0; unsigned int high_color=0; high_color=(blue<<4)|((red&0x3C0)>>6); low_color=(((red&0x3F)<<10)|(green)); spi.write(high_color); spi.write(low_color); latch=1; latch=0; } int main() { int red=0; int green=0; int blue=0; spi.format(16,0); spi.frequency(500000); enable=0; latch=0; wait(2); while(1) { if (r == 1){ if (red < 255) red += 5; } else { if (red > 0) red -= 5; } if (b == 1){ if (blue < 255) blue += 5; } else { if (blue > 0) blue -= 5; } if (g == 1){ if (green < 255) green += 5; } else { if (green > 0) green -= 5; } RGB_LED(red, green, blue); wait(0.5); } }