void internal_trigger() {
///assert(cmd!=NULL);
//printf("triggering...");fflush(stdout);
static comedi_insn ins[2];
static comedi_insnlist il;
lsampl_t d1, d2;
int ret;
il.n_insns=1;
il.insns=ins;
memset(ins, 0, 2*sizeof(comedi_insn));
d1 = 0;
d2 = 0;
if(cmd && cmd->chanlist_len) {
ins[0].insn=INSN_INTTRIG;
ins[0].subdev=0;
ins[0].data = &d1;
ins[0].n = 1;
}
ret=comedi_do_insnlist(it,&il);
if(ret<0){
comedi_perror("error triggering ");
}
//printf("done\n");fflush(stdout);
}
void do_toggle(void)
{
#if 1
comedi_insnlist il;
comedi_insn insn[3];
lsampl_t data[6];
int mask = 0xff;
count++;
il.n_insns = 3;
il.insns = insn;
memset(insn,0,3*sizeof(comedi_insn));
insn[0].insn = INSN_BITS;
insn[0].n = 2;
insn[0].data = data+0;
insn[0].subdev = out_subd;
data[0] = mask;
//data[1] = count;
data[1] = 0xfc;
insn[1].insn = INSN_WAIT;
insn[1].n = 1;
insn[1].data = data+2;
data[2] = 100000-1;
insn[2].insn = INSN_BITS;
insn[2].n = 2;
insn[2].data = data+4;
insn[2].subdev = out_subd;
data[4] = mask;
//data[5] = count;
data[5] = 0xff;
comedi_do_insnlist(device,&il);
#else
unsigned int data;
unsigned int mask = 0xff;
count++;
data = count;
comedi_dio_bitfield(device,out_subd,mask,&data);
#endif
}
void write_bits(int subdevice, int bits)
{
comedi_insnlist il;
comedi_insn insn[5];
lsampl_t data[10];
int mask = (1<<chan_dat)|(1<<chan_clk);
int i;
int bit;
int ret;
il.n_insns = 5;
il.insns = insn;
memset(insn,0,sizeof(insn));
/* clock low, set data */
insn[0].insn = INSN_BITS;
insn[0].n = 2;
insn[0].data = data + 0;
insn[0].subdev = subdevice;
/* wait 1 */
insn[1].insn = INSN_WAIT;
insn[1].n = 1;
insn[1].data = data + 2;
/* clock high, same data */
insn[2].insn = INSN_BITS;
insn[2].n = 2;
insn[2].data = data + 4;
insn[2].subdev = subdevice;
/* wait 1 */
insn[3].insn = INSN_WAIT;
insn[3].n = 1;
insn[3].data = data + 6;
/* clock low, same data */
insn[4].insn = INSN_BITS;
insn[4].n = 2;
insn[4].data = data + 8;
insn[4].subdev = subdevice;
for(i=0;i<8;i++){
bit=1<<(7-i);
//printf("writing %d\n",bit&bits);
data[0] = mask;
data[1] = (bits&bit)?(1<<chan_dat):0;
data[2] = wait1;
data[3] = 0;
data[4] = mask;
data[5] = ((bits&bit)?(1<<chan_dat):0)|(1<<chan_clk);
data[6] = wait2;
data[7] = 0;
data[8] = mask;
data[9] = (bits&bit)?(1<<chan_dat):0;
ret = comedi_do_insnlist(device,&il);
// printf("comedi_do_insnlist returned %d\n",ret);
}
}
