#include #include "u.h" #include "lib.h" #include "dat.h" #include "fns.h" #include "error.h" #include "devaudio.h" enum { Channels = 2, Rate = 44100, Bits = 16, }; static struct sio_hdl *hdl; static struct sio_par par; void audiodevopen(void) { hdl = sio_open(SIO_DEVANY, SIO_PLAY, 0); if(hdl == NULL){ error("sio_open failed"); return; } sio_initpar(&par); par.bits = Bits; par.pchan = Channels; par.rate = Rate; par.appbufsz = 288000; if(!sio_setpar(hdl, &par) || !sio_start(hdl)){ sio_close(hdl); error("sio_setpar/sio_start failed"); return; } } void audiodevclose(void) { sio_close(hdl); } void audiodevsetvol(int what, int left, int right) { USED(what); USED(left); USED(right); error("not supported"); } void audiodevgetvol(int what, int *left, int *right) { USED(what); USED(left); USED(right); error("not supported"); } int audiodevwrite(void *v, int n) { return sio_write(hdl, v, n); } int audiodevread(void *v, int n) { error("no reading"); return -1; }