static void
enter(struct inpcb *inp, struct socket *so, int state, char *proto)
{
struct netinfo *p;
p = next_ns();
if (p == NULL) {
error("Out of Memory!");
return;
}
p->nif_lport = inp->inp_lport;
p->nif_fport = inp->inp_fport;
p->nif_proto = proto;
if (inp->inp_flags & INP_IPV6) {
p->nif_laddr6 = inp->inp_laddr6;
p->nif_faddr6 = inp->inp_faddr6;
p->nif_family = AF_INET6;
} else {
p->nif_laddr = inp->inp_laddr;
p->nif_faddr = inp->inp_faddr;
p->nif_family = AF_INET;
}
p->nif_rcvcc = so->so_rcv.sb_cc;
p->nif_sndcc = so->so_snd.sb_cc;
p->nif_state = state;
}
void SVIDEO_irq(void) {
if (TIM_GetITStatus(TIM5, TIM_IT_Update) != RESET) {
TIM_ClearITPendingBit(TIM5, TIM_IT_Update);
// state++;
// if (state & 1) {
// next_ns(SHORT_PULSE_NS);
// out(V0);
// } else {
// next_ns(SCANLINE_NS-SHORT_PULSE_NS);
// out(V1_0);
// }
//
// return;
switch (state) {
// vsync scanlines 1-5
case 0:
case 2:
case 4:
case 6:
case 8:
next_ns(SCANLINE_NS/2-GAP_NS);
out(V0);
break;
case 1:
case 3:
case 5:
case 7:
case 9:
next_ns(GAP_NS);
out(V0_3);
break;
case 10:
case 12:
case 14:
case 16:
case 18:
next_ns(SHORT_PULSE_NS);
out(V0);
break;
case 11:
case 13:
case 15:
case 17:
case 19:
next_ns(SCANLINE_NS/2-SHORT_PULSE_NS);
out(V0_3);
scanline = 6;
break;
// empty top
case 20:
next_ns(HSYNC_NS);
out(V0);
break;
case 21:
next_ns(SCANLINE_NS-HSYNC_NS-FRONTPORCH_NS);
out(V0_3);
break;
case 22:
next_ns(FRONTPORCH_NS);
out(V0);
scanline++;
if (scanline < 24) state = 20-1;
break;
// gfx
case 23:
next_ns(HSYNC_NS);
out(V0);
break;
case 24:
next_ns(BACKPORCH_NS);
out(V0_3);
break;
case 25:
next_ns(DISP_TEST_NS);
if ((scanline & 0x7f) < 0x40)
out(V1_0);
else
out(V0_3);
break;
case 26:
next_ns(SCANLINE_NS-DISP_TEST_NS-HSYNC_NS-BACKPORCH_NS-FRONTPORCH_NS);
if ((scanline & 0x7f) >= 0x40)
out(V1_0);
else
out(V0_3);
break;
case 27:
next_ns(FRONTPORCH_NS);
out(V0);
scanline++;
if (scanline < 310) state = 23-1;
break;
case 28:
case 30:
case 32:
case 34:
case 36:
case 38:
next_ns(SHORT_PULSE_NS);
out(V0);
break;
case 29:
case 31:
case 33:
case 35:
case 37:
case 39:
next_ns(SCANLINE_NS/2-SHORT_PULSE_NS);
out(V0_3);
break;
}
state++;
if (state >= 40) {
state = 0;
scanline = 1;
}
#if 0
if (vline >= 243) {
// vsync
// if (hline < LEN_HSYNC) {
// out(even ? V0_3 : V0);
// } else {
// out(even ? V0 : V0_3);
// }
if (hline == 0) {
out(even ? V0_3 : V0);
} else if (hline == LEN_HSYNC) {
out(even ? V0 : V0_3);
}
} else {
// hsync
// if (hline < LEN_HSYNC) {
// out(V0);
// } else if (hline < LEN_BACK_PORCH + LEN_HSYNC) {
// out(V0_3);
// } else if (hline < LEN_ACTIVE + LEN_BACK_PORCH + LEN_HSYNC) {
// // data
// //out((hline & 1) ? V0_3 : V1_0);
// out(V1_0);
// } else {
// // front porch
// out(V0_3);
// }
if (hline == 0) {
out(V0);
} else if (hline == LEN_HSYNC) {
out(V0_3);
} else if (hline > LEN_HSYNC + LEN_BACK_PORCH && hline < LEN_ACTIVE + LEN_BACK_PORCH + LEN_HSYNC) {
// data
//out((hline & 1) ? V0_3 : V1_0);
out(V1_0);
} else {
// front porch
out(V0_3);
}
}
if (hline == 0) {
out(V0);
} else if (hline == HCOUNT / 2) {
out(V1_0);
}
hline++;
if (hline >= HCOUNT) {
hline = 0;
out(V0_3);
vline++;
if (vline >= 262) {
vline = 0;
even = !even;
}
}
#endif
}
}
