GPU Pro4: Advanced Rendering Techniques presents ready-to-use ideas and procedures that can help solve many of your day-to-day graphics programming challenges. Focusing on interactive media and games, the book covers up-to-date methods producing rea
用pwm控制乐曲演奏。pwm部分的编程如下，已调试成功。 #include "sys/alt_stdio.h" #include "system.h" #include int main() { alt_putstr("Hello from Nios II!\n"); int divi=100000; int duty=1; int enable=1; int dir=1; int i; IOWR(MYPWM_0_BASE,0,divi); IOWR(MYPWM_0_BASE,2,enabl
