/// <summary>
/// Setting Line 1 or 2 in the input lines to be a counter
/// </summary>
/// <param name="mode">
/// AD_CNT_COUNTER = 0;
/// AD_CNT_UPDOWN = 1;
/// AD_CNT_QUAD_DECODER = 4;
/// AD_CNT_PULSE_TIME = 5;
/// </param>
/// <param name="enable_rst"></param>
public void SetCounter(int mode, bool enable_rst, int line)
{
// Set counter mode
enableCounterReset = enable_rst;
int rc;
if (mode >= 0)
{
ad_counter_mode par;
/* Setup counter mode, using Port A/1 and Port A/2 as
* both counter inputs. The counter's reset input
* gets connected to Port A/3 (if enabled).
*/
par = new ad_counter_mode();
par.cha = AD_CHA_TYPE_COUNTER | line;
par.mode = (byte)(mode & 0xff);
par.mux_a = 0;
par.mux_b = 1;
if (enable_rst)
{
par.mux_rst = 2;
par.flags |= AD_CNT_ENABLE_RST;
}
rc = ad_set_counter_mode(adh, ref par);
if (rc != 0)
{
Log.Error("error: failed to setup BMCM counter. Error = " + rc);
return;
}
}
}
public static int ad_get_counter_mode(int adh, ref ad_counter_mode mode)
{
return(ad_ioctl_counter_mode(adh, AD_GET_COUNTER_MODE, ref mode, Marshal.SizeOf(mode)));
}
private static extern int ad_ioctl_counter_mode(int adh, uint ioc, ref ad_counter_mode par, int size);
