private int sr_load(byte reg, byte data)
{
int rc = JanusAudio.WriteControlMsg(usbDevHandle,
VRT_VENDOR_OUT,
VRQ_SDR1K_CTL,
SDR1KCTRL_SR_LOAD,
(reg << 8) | data,
null,
0,
1000);
// Thread.Sleep(10);
// System.Console.WriteLine("sr_load: reg:" + reg + " data: " + data + " rc: " + rc);
return(rc);
}
private int dds_write(byte addr, byte data)
{
int rc = JanusAudio.WriteControlMsg(usbDevHandle,
VRT_VENDOR_OUT,
VRQ_SDR1K_CTL,
SDR1KCTRL_DDS_WRITE,
(addr << 8) | data,
null,
0,
1000);
// Thread.Sleep(10);
// System.Console.WriteLine("dds_write: addr:" + addr + " data: " + data + " rc: " + rc);
return(rc);
}
private int latch(byte latchid, byte data)
{
int rc = 0; JanusAudio.WriteControlMsg(usbDevHandle,
VRT_VENDOR_OUT,
VRQ_SDR1K_CTL,
SDR1KCTRL_LATCH,
(latchid << 8) | data,
null,
0,
1000);
// Thread.Sleep(10);
// System.Console.WriteLine("latch: latchid: " + latchid + " data: " + data + " rc: " + rc);
return(rc);
}
private int dds_reset()
{
int rc = JanusAudio.WriteControlMsg(usbDevHandle,
VRT_VENDOR_OUT,
VRQ_SDR1K_CTL,
SDR1KCTRL_DDS_RESET,
0,
null,
0,
1000);
// Thread.Sleep(10);
// System.Console.WriteLine("dds_reset: rc: " + rc);
return(rc);
}
private int get_status_port()
{
byte[] buf = new byte[1];
int rc = JanusAudio.WriteControlMsg(usbDevHandle,
VRT_VENDOR_IN,
VRQ_SDR1K_CTL,
SDR1KCTRL_READ_STATUS,
0,
buf,
buf.Length,
1000);
if (rc == buf.Length)
{
rc = (int)((uint)(buf[0]));
rc = swizzleStatusBits(rc);
#if false
++read_ok_count;
#endif
}
else
{
rc = -1;
#if false
++read_notok_count;
#endif
}
// Thread.Sleep(10);
#if false
if (dbgGate == 100)
{
System.Console.WriteLine("get_status: data: 0x" + rc.ToString("X") + " read_ok: " + read_ok_count + " read_not_ok: " + read_notok_count);
}
++dbgGate;
if (dbgGate >= 101)
{
dbgGate = 0;
read_ok_count = 0;
read_notok_count = 0;
}
#endif
return(rc);
}