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yaml
---
r: 186663
b: refs/heads/master
c: 79a22d5
h: refs/heads/master
i:
  186661: 6c09a3b
  186659: aaf89ec
  186655: aecd6cc
v: v3
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Benjamin Adolphi authored and Greg Kroah-Hartman committed Mar 4, 2010
1 parent 2ad75e8 commit e126401
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Showing 2 changed files with 21 additions and 22 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 23d53b1768f9396d0e259a9b4e62bfcc03122bab
refs/heads/master: 79a22d5c264f5ddfc8573aa7eb234fe62dd1ee32
41 changes: 20 additions & 21 deletions trunk/drivers/staging/comedi/drivers/rti800.c
Original file line number Diff line number Diff line change
Expand Up @@ -32,22 +32,22 @@ Configuration options:
[0] - I/O port base address
[1] - IRQ
[2] - A/D reference
0 = differential
1 = pseudodifferential (common)
2 = single-ended
0 = differential
1 = pseudodifferential (common)
2 = single-ended
[3] - A/D range
0 = [-10,10]
1 = [-5,5]
2 = [0,10]
0 = [-10,10]
1 = [-5,5]
2 = [0,10]
[4] - A/D encoding
0 = two's complement
1 = straight binary
0 = two's complement
1 = straight binary
[5] - DAC 0 range
0 = [-10,10]
1 = [0,10]
0 = [-10,10]
1 = [0,10]
[6] - DAC 0 encoding
0 = two's complement
1 = straight binary
0 = two's complement
1 = straight binary
[7] - DAC 1 range (same as DAC 0)
[8] - DAC 1 encoding (same as DAC 0)
*/
Expand Down Expand Up @@ -240,9 +240,8 @@ static int rti800_ai_insn_read(struct comedi_device *dev,
data[i] = inb(dev->iobase + RTI800_ADCLO);
data[i] |= (0xf & inb(dev->iobase + RTI800_ADCHI)) << 8;

if (devpriv->adc_coding == adc_2comp) {
if (devpriv->adc_coding == adc_2comp)
data[i] ^= 0x800;
}
}

return i;
Expand Down Expand Up @@ -271,9 +270,9 @@ static int rti800_ao_insn_write(struct comedi_device *dev,

for (i = 0; i < insn->n; i++) {
devpriv->ao_readback[chan] = d = data[i];
if (devpriv->dac0_coding == dac_2comp) {
if (devpriv->dac0_coding == dac_2comp)
d ^= 0x800;
}

outb(d & 0xff,
dev->iobase + (chan ? RTI800_DAC1LO : RTI800_DAC0LO));
outb(d >> 8,
Expand Down Expand Up @@ -315,15 +314,15 @@ static int rti800_do_insn_bits(struct comedi_device *dev,
options[0] - I/O port
options[1] - irq
options[2] - a/d mux
0=differential, 1=pseudodiff, 2=single
0=differential, 1=pseudodiff, 2=single
options[3] - a/d range
0=bipolar10, 1=bipolar5, 2=unipolar10
0=bipolar10, 1=bipolar5, 2=unipolar10
options[4] - a/d coding
0=2's comp, 1=straight binary
0=2's comp, 1=straight binary
options[5] - dac0 range
0=bipolar10, 1=unipolar10
0=bipolar10, 1=unipolar10
options[6] - dac0 coding
0=2's comp, 1=straight binary
0=2's comp, 1=straight binary
options[7] - dac1 range
options[8] - dac1 coding
*/
Expand Down

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