[0] - I/O port base base address
[1] - IRQ (unused)
[2] - Voltage unipolar/bipolar configuration
- 0 == unipolar 5V (0V -- +5V)
- 1 == bipolar 5V (-5V -- +5V)
+ 0 == unipolar 5V (0V -- +5V)
+ 1 == bipolar 5V (-5V -- +5V)
[3] - Current offset configuration
- 0 == disabled (0mA -- +32mAV)
- 1 == enabled (+4mA -- +20mAV)
+ 0 == disabled (0mA -- +32mAV)
+ 1 == enabled (+4mA -- +20mAV)
[4] - Firmware program configuration
- 0 == program 1 (see manual table 5-4)
- 1 == program 2 (see manual table 5-4)
- 2 == program 3 (see manual table 5-4)
- 3 == program 4 (see manual table 5-4)
+ 0 == program 1 (see manual table 5-4)
+ 1 == program 2 (see manual table 5-4)
+ 2 == program 3 (see manual table 5-4)
+ 3 == program 4 (see manual table 5-4)
[5] - Analog output 0 range configuration
- 0 == voltage
- 1 == current
+ 0 == voltage
+ 1 == current
[6] - Analog output 1 range configuration (same options)
[7] - Analog output 2 range configuration (same options)
[8] - Analog output 3 range configuration (same options)
#include <linux/ioport.h>
#include <linux/delay.h>
-static const struct comedi_lrange range_dt2815_ao_32_current = { 1, {
- RANGE_mA(0,
- 32)
- }
-};
+static const struct comedi_lrange
+ range_dt2815_ao_32_current = {1, {RANGE_mA(0, 32)} };
-static const struct comedi_lrange range_dt2815_ao_20_current = { 1, {
- RANGE_mA(4,
- 20)
- }
-};
+static const struct comedi_lrange
+ range_dt2815_ao_20_current = {1, {RANGE_mA(4, 20)} };
#define DT2815_SIZE 2
int i;
int chan = CR_CHAN(insn->chanspec);
- for (i = 0; i < insn->n; i++) {
+ for (i = 0; i < insn->n; i++)
data[i] = devpriv->ao_readback[chan];
- }
return i;
}
status = dt2815_wait_for_status(dev, 0x00);
if (status != 0) {
- printk
- ("dt2815: failed to write low byte on %d reason %x\n",
- chan, status);
+ printk(KERN_WARNING "dt2815: failed to write low byte "
+ "on %d reason %x\n", chan, status);
return -EBUSY;
}
status = dt2815_wait_for_status(dev, 0x10);
if (status != 0x10) {
- printk
- ("dt2815: failed to write high byte on %d reason %x\n",
- chan, status);
+ printk(KERN_WARNING "dt2815: failed to write high byte "
+ "on %d reason %x\n", chan, status);
return -EBUSY;
}
devpriv->ao_readback[chan] = data[i];
options[0] Board base address
options[1] IRQ (not applicable)
options[2] Voltage unipolar/bipolar configuration
- 0 == unipolar 5V (0V -- +5V)
- 1 == bipolar 5V (-5V -- +5V)
+ 0 == unipolar 5V (0V -- +5V)
+ 1 == bipolar 5V (-5V -- +5V)
options[3] Current offset configuration
- 0 == disabled (0mA -- +32mAV)
- 1 == enabled (+4mA -- +20mAV)
+ 0 == disabled (0mA -- +32mAV)
+ 1 == enabled (+4mA -- +20mAV)
options[4] Firmware program configuration
- 0 == program 1 (see manual table 5-4)
- 1 == program 2 (see manual table 5-4)
- 2 == program 3 (see manual table 5-4)
- 3 == program 4 (see manual table 5-4)
+ 0 == program 1 (see manual table 5-4)
+ 1 == program 2 (see manual table 5-4)
+ 2 == program 3 (see manual table 5-4)
+ 3 == program 4 (see manual table 5-4)
options[5] Analog output 0 range configuration
- 0 == voltage
- 1 == current
+ 0 == voltage
+ 1 == current
options[6] Analog output 1 range configuration
...
options[12] Analog output 7 range configuration
- 0 == voltage
- 1 == current
+ 0 == voltage
+ 1 == current
*/
static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it)
unsigned long iobase;
iobase = it->options[0];
- printk("comedi%d: dt2815: 0x%04lx ", dev->minor, iobase);
+ printk(KERN_INFO "comedi%d: dt2815: 0x%04lx ", dev->minor, iobase);
if (!request_region(iobase, DT2815_SIZE, "dt2815")) {
- printk("I/O port conflict\n");
+ printk(KERN_WARNING "I/O port conflict\n");
return -EIO;
}
unsigned int program;
program = (it->options[4] & 0x3) << 3 | 0x7;
outb(program, dev->iobase + DT2815_DATA);
- printk(", program: 0x%x (@t=%d)\n", program, i);
+ printk(KERN_INFO ", program: 0x%x (@t=%d)\n",
+ program, i);
break;
} else if (status != 0x00) {
- printk("dt2815: unexpected status 0x%x (@t=%d)\n",
- status, i);
- if (status & 0x60) {
+ printk(KERN_WARNING "dt2815: unexpected status 0x%x "
+ "(@t=%d)\n", status, i);
+ if (status & 0x60)
outb(0x00, dev->iobase + DT2815_STATUS);
- }
}
}
- printk("\n");
-
return 0;
}
static int dt2815_detach(struct comedi_device *dev)
{
- printk("comedi%d: dt2815: remove\n", dev->minor);
+ printk(KERN_INFO "comedi%d: dt2815: remove\n", dev->minor);
dt2815_free_resources(dev);