Set missing SDF_LSAMPL on NI GPCT subdevices. Made command
authorFrank Mori Hess <fmhess@speakeasy.net>
Tue, 7 Aug 2007 16:22:22 +0000 (16:22 +0000)
committerFrank Mori Hess <fmhess@speakeasy.net>
Tue, 7 Aug 2007 16:22:22 +0000 (16:22 +0000)
test for gpct command actually check something.  Made
some of the command sources for gpct command actually
have an effect.

comedi/drivers/ni_660x.c
comedi/drivers/ni_mio_common.c
comedi/drivers/ni_tio.c
comedi/drivers/ni_tio.h

index c56ef9651e13c61a4de14de148667e84bbca6cef..d1d8c17545d1ef379f2a171594d6a39f53e89ae4 100644 (file)
@@ -722,7 +722,7 @@ static int ni_660x_attach(comedi_device *dev,comedi_devconfig *it)
                if(i < thisboard->n_ctrs)
                {
                        s->type = COMEDI_SUBD_COUNTER;
-                       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+                       s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_LSAMPL;
                        s->n_chan = 3;
                        s->maxdata = 0xffffffff;
                        s->insn_read = ni_660x_GPCT_rinsn;
index f93fbe4fbefd7669e5a52888674ebb795dc9a476..dd5d87b6029837d4a31e2303d3a186e7c46d5ae7 100644 (file)
@@ -3792,7 +3792,7 @@ static int ni_E_init(comedi_device *dev,comedi_devconfig *it)
        {
                s = dev->subdevices + NI_GPCT_SUBDEV(j);
                s->type = COMEDI_SUBD_COUNTER;
-               s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_CMD_READ;
+               s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_LSAMPL | SDF_CMD_READ;
                s->n_chan = 3;
                if(boardtype.reg_type & ni_reg_m_series_mask)
                        s->maxdata = 0xffffffff;
@@ -3802,6 +3802,7 @@ static int ni_E_init(comedi_device *dev,comedi_devconfig *it)
                s->insn_write = &ni_gpct_insn_write;
                s->insn_config = &ni_gpct_insn_config;
                s->do_cmd = &ni_gpct_cmd;
+               s->len_chanlist = 1;
                s->do_cmdtest = &ni_gpct_cmdtest;
                s->cancel = &ni_gpct_cancel;
                s->async_dma_dir = DMA_BIDIRECTIONAL;
@@ -4483,8 +4484,8 @@ static int ni_gpct_cmd(comedi_device *dev, comedi_subdevice *s)
 static int ni_gpct_cmdtest(comedi_device *dev, comedi_subdevice *s, comedi_cmd *cmd)
 {
        struct ni_gpct *counter = s->private;
-       //XXX check chanlist_len == 1
-       return ni_tio_cmdtest(counter);
+
+       return ni_tio_cmdtest(counter, cmd);
 }
 
 static int ni_gpct_cancel(comedi_device *dev, comedi_subdevice *s)
index 05181daa3e16468abb2cb48694c899b4ab1eb38a..83f0253a17953d5b0c7ca4ed6989c3fd4a823556 100644 (file)
@@ -2330,11 +2330,33 @@ static void ni_tio_configure_dma(struct ni_gpct *counter, short enable, short re
        }
 }
 
+static int ni_tio_input_inttrig(comedi_device *dev, comedi_subdevice *s,
+       unsigned int trignum)
+{
+       unsigned long flags;
+       int retval = 0;
+       struct ni_gpct *counter = s->private;
+
+       BUG_ON(counter == NULL);
+       if(trignum != 0) return -EINVAL;
+
+       comedi_spin_lock_irqsave(&counter->lock, flags);
+       if(counter->mite_chan) mite_dma_arm(counter->mite_chan);
+       else retval = -EIO;
+       comedi_spin_unlock_irqrestore(&counter->lock, flags);
+       if(retval < 0) return retval;
+       retval = ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE);
+       s->async->inttrig = NULL;
+
+       return retval;
+}
+
 static int ni_tio_input_cmd(struct ni_gpct *counter, comedi_async *async)
 {
        struct ni_gpct_device *counter_dev = counter->counter_dev;
-       //comedi_cmd *cmd = &async->cmd;
+       comedi_cmd *cmd = &async->cmd;
        const unsigned command_reg = NITIO_Gi_Command_Reg(counter->counter_index);
+       int retval = 0;
 
        /* write alloc the entire buffer */
        comedi_buf_write_alloc(async, async->prealloc_bufsz);
@@ -2355,8 +2377,26 @@ static int ni_tio_input_cmd(struct ni_gpct *counter, comedi_async *async)
        counter_dev->regs[command_reg] &= ~Gi_Save_Trace_Bit;
        write_register(counter, counter_dev->regs[command_reg], command_reg);
        ni_tio_configure_dma(counter, 1, 1);
-       mite_dma_arm(counter->mite_chan);
-       return ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE);
+       switch(cmd->start_src)
+       {
+       case TRIG_NOW:
+               mite_dma_arm(counter->mite_chan);
+               retval = ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE);
+               break;
+       case TRIG_INT:
+               async->inttrig = &ni_tio_input_inttrig;
+               break;
+       case TRIG_EXT:
+               mite_dma_arm(counter->mite_chan);
+               retval = ni_tio_arm(counter, 1, cmd->start_arg);
+       case TRIG_OTHER:
+               mite_dma_arm(counter->mite_chan);
+               break;
+       default:
+               BUG();
+               break;
+       }
+       return retval;
 }
 
 static int ni_tio_output_cmd(struct ni_gpct *counter, comedi_async *async)
@@ -2371,10 +2411,33 @@ static int ni_tio_output_cmd(struct ni_gpct *counter, comedi_async *async)
        return ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE);
 }
 
+static int ni_tio_cmd_setup(struct ni_gpct *counter, comedi_async *async)
+{
+       comedi_cmd *cmd = &async->cmd;
+       int set_gate_source = 0;
+       unsigned gate_source;
+       int retval = 0;
+
+       if(cmd->scan_begin_src == TRIG_EXT)
+       {
+               set_gate_source = 1;
+               gate_source = cmd->scan_begin_arg;
+       }else if(cmd->convert_src == TRIG_EXT)
+       {
+               set_gate_source = 1;
+               gate_source = cmd->convert_arg;
+       }
+       if(set_gate_source)
+       {
+               retval = ni_tio_set_gate_src(counter, 0, gate_source);
+       }
+       return retval;
+}
+
 int ni_tio_cmd(struct ni_gpct *counter, comedi_async *async)
 {
        comedi_cmd *cmd = &async->cmd;
-       int retval;
+       int retval = 0;
        unsigned long flags;
 
        comedi_spin_lock_irqsave(&counter->lock, flags);
@@ -2384,20 +2447,123 @@ int ni_tio_cmd(struct ni_gpct *counter, comedi_async *async)
                retval = -EIO;
        }else
        {
-               if(cmd->flags & CMDF_WRITE)
+               retval = ni_tio_cmd_setup(counter, async);
+               if(retval == 0)
                {
-                       retval = ni_tio_output_cmd(counter, async);
-               }else
-               {
-                       retval = ni_tio_input_cmd(counter, async);
+                       if(cmd->flags & CMDF_WRITE)
+                       {
+                               retval = ni_tio_output_cmd(counter, async);
+                       }else
+                       {
+                               retval = ni_tio_input_cmd(counter, async);
+                       }
                }
        }
        comedi_spin_unlock_irqrestore(&counter->lock, flags);
        return retval;
 }
 
-int ni_tio_cmdtest(struct ni_gpct *counter)
+int ni_tio_cmdtest(struct ni_gpct *counter, comedi_cmd *cmd)
 {
+       int err=0;
+       int tmp;
+       int sources;
+
+       /* step 1: make sure trigger sources are trivially valid */
+
+       tmp = cmd->start_src;
+       sources = TRIG_NOW | TRIG_INT | TRIG_OTHER;
+       if(ni_tio_counting_mode_registers_present(counter->counter_dev))
+               sources |= TRIG_EXT;
+       cmd->start_src &= sources;
+       if(!cmd->start_src || tmp != cmd->start_src) err++;
+
+       tmp = cmd->scan_begin_src;
+       cmd->scan_begin_src &= TRIG_FOLLOW | TRIG_EXT | TRIG_OTHER;
+       if(!cmd->scan_begin_src || tmp!=cmd->scan_begin_src) err++;
+
+       tmp = cmd->convert_src;
+       sources = TRIG_NOW | TRIG_EXT | TRIG_OTHER;
+       cmd->convert_src &= sources;
+       if(!cmd->convert_src || tmp != cmd->convert_src) err++;
+
+       tmp = cmd->scan_end_src;
+       cmd->scan_end_src &= TRIG_COUNT;
+       if(!cmd->scan_end_src || tmp != cmd->scan_end_src) err++;
+
+       tmp=cmd->stop_src;
+       cmd->stop_src &= TRIG_COUNT | TRIG_NONE;
+       if(!cmd->stop_src || tmp!=cmd->stop_src) err++;
+
+       if(err) return 1;
+
+       /* step 2: make sure trigger sources are unique...*/
+
+       if(cmd->start_src != TRIG_NOW &&
+               cmd->start_src != TRIG_INT &&
+               cmd->start_src != TRIG_EXT &&
+               cmd->start_src != TRIG_OTHER) err++;
+       if(cmd->scan_begin_src != TRIG_FOLLOW &&
+          cmd->scan_begin_src != TRIG_EXT &&
+          cmd->scan_begin_src != TRIG_OTHER) err++;
+       if(cmd->convert_src != TRIG_OTHER &&
+          cmd->convert_src != TRIG_EXT &&
+          cmd->convert_src != TRIG_NOW) err++;
+       if(cmd->stop_src != TRIG_COUNT &&
+          cmd->stop_src != TRIG_NONE) err++;
+       /* ... and mutually compatible */
+       if(cmd->convert_src != TRIG_NOW &&
+               cmd->scan_begin_src != TRIG_FOLLOW) err++;
+
+       if(err)return 2;
+
+       /* step 3: make sure arguments are trivially compatible */
+       if(cmd->start_src != TRIG_EXT)
+       {
+               if(cmd->start_arg != 0)
+               {
+                       cmd->start_arg = 0;
+                       err++;
+               }
+       }
+       if(cmd->scan_begin_src != TRIG_EXT)
+       {
+               if(cmd->scan_begin_arg)
+               {
+                       cmd->scan_begin_arg = 0;
+                       err++;
+               }
+       }
+       if(cmd->convert_src != TRIG_EXT)
+       {
+               if(cmd->convert_arg)
+               {
+                       cmd->convert_arg = 0;
+                       err++;
+               }
+       }
+
+       if(cmd->scan_end_arg != cmd->chanlist_len)
+       {
+               cmd->scan_end_arg = cmd->chanlist_len;
+               err++;
+       }
+
+       if(cmd->stop_src == TRIG_NONE)
+       {
+               if(cmd->stop_arg != 0)
+               {
+                       cmd->stop_arg = 0;
+                       err++;
+               }
+       }
+
+       if(err)return 3;
+
+       /* step 4: fix up any arguments */
+
+       if(err)return 4;
+
        return 0;
 }
 
@@ -2526,7 +2692,6 @@ void ni_tio_handle_interrupt(struct ni_gpct *counter, comedi_subdevice *s)
                writel(CHOR_CLRLC, counter->mite_chan->mite->mite_io_addr + MITE_CHOR(counter->mite_chan->channel));
        }
        mite_sync_input_dma(counter->mite_chan, s->async);
-
        comedi_spin_unlock_irqrestore(&counter->lock, flags);
 }
 
index 2701f813f0dc28c3613f6ca6411454f4817811a5..dff8769c29485f660b7cc18745b0a80b8ef4a064 100644 (file)
@@ -146,7 +146,7 @@ extern int ni_tio_winsn(struct ni_gpct *counter,
        comedi_insn *insn,
        lsampl_t * data);
 extern int ni_tio_cmd(struct ni_gpct *counter, comedi_async *async);
-extern int ni_tio_cmdtest(struct ni_gpct *counter);
+extern int ni_tio_cmdtest(struct ni_gpct *counter, comedi_cmd *cmd);
 extern int ni_tio_cancel(struct ni_gpct *counter);
 extern void ni_tio_handle_interrupt(struct ni_gpct *counter, comedi_subdevice *s);
 extern void ni_tio_set_mite_channel(struct ni_gpct *counter, struct mite_channel *mite_chan);