#define RECV_FIFO 1
#define MAX_XMIT_RETRY 4
+#ifdef DEBUG_SERIAL
+#define DPRINTF(fmt, ...) \
+do { fprintf(stderr, "serial: " fmt , ## __VA_ARGS__); } while (0);
+#else
+#define DPRINTF(fmt, ...) \
+do {} while(0);
+#endif
+
typedef struct SerialFIFO {
uint8_t data[UART_FIFO_LENGTH];
uint8_t count;
ssp.stop_bits = stop_bits;
s->char_transmit_time = (get_ticks_per_sec() / speed) * frame_size;
qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
-#if 0
- printf("speed=%d parity=%c data=%d stop=%d\n",
+
+ DPRINTF("speed=%d parity=%c data=%d stop=%d\n",
speed, parity, data_bits, stop_bits);
-#endif
}
static void serial_update_msl(SerialState *s)
SerialState *s = opaque;
addr &= 7;
-#ifdef DEBUG_SERIAL
- printf("serial: write addr=0x%02x val=0x%02x\n", addr, val);
-#endif
+ DPRINTF("write addr=0x%02x val=0x%02x\n", addr, val);
switch(addr) {
default:
case 0:
ret = s->scr;
break;
}
-#ifdef DEBUG_SERIAL
- printf("serial: read addr=0x%02x val=0x%02x\n", addr, ret);
-#endif
+ DPRINTF("read addr=0x%02x val=0x%02x\n", addr, ret);
return ret;
}
static void serial_event(void *opaque, int event)
{
SerialState *s = opaque;
-#ifdef DEBUG_SERIAL
- printf("serial: event %x\n", event);
-#endif
+ DPRINTF("event %x\n", event);
if (event == CHR_EVENT_BREAK)
serial_receive_break(s);
}