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Comedi
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[0] - PCI bus number (optional)
[1] - PCI slot number (optional)
If bus/slot is not specified, the first available PCI
device will be used.
5.5.9 adl_pci9118 -- Adlink PCI-9118DG, PCI-9118HG, PCI-9118HR
Author: Michal Dobes <[email protected]>
Status: works
Manufacturer Device Name
ADLink PCI-9118DG pci9118dg
ADLink PCI-9118HG pci9118hg
ADLink PCI-9118HR pci9118hr
This driver supports AI, AO, DI and DO subdevices.
AI subdevice supports cmd and insn interface,
other subdevices support only insn interface.
For AI:
- If cmd->scan_begin_src=TRIG_EXT then trigger input is TGIN (pin 46).
- If cmd->convert_src=TRIG_EXT then trigger input is EXTTRG (pin 44).
- If cmd->start_src/stop_src=TRIG_EXT then trigger input is TGIN (pin 46).
- It is not neccessary to have cmd.scan_end_arg=cmd.chanlist_len but
cmd.scan_end_arg modulo cmd.chanlist_len must by 0.
- If return value of cmdtest is 5 then you’ve bad channel list
(it isn’t possible mixture S.E. and DIFF inputs or bipolar and unipolar
ranges).
There are some hardware limitations:
a) You cann’t use mixture of unipolar/bipoar ranges or differencial/single
ended inputs.
b) DMA transfers must have the length aligned to two samples (32 bit),
so there is some problems if cmd->chanlist_len is odd. This driver tries
bypass this with adding one sample to the end of the every scan and discard
it on output but this cann’t be used if cmd->scan_begin_src=TRIG_FOLLOW
and is used flag TRIG_WAKE_EOS, then driver switch to interrupt driven mode
with interrupt after every sample.
c) If isn’t used DMA then you can use only mode where
cmd->scan_begin_src=TRIG_FOLLOW.
Configuration options:
[0] - PCI bus of device (optional)
[1] - PCI slot of device (optional)
If bus/slot is not specified, then first available PCI
card will be used.
[2] - 0= standard 8 DIFF/16 SE channels configuration
n= external multiplexer connected, 1<=n<=256
[3] - 0=autoselect DMA or EOC interrupts operation
1=disable DMA mode
3=disable DMA and INT, only insn interface will work
[4] - sample&hold signal - card can generate signal for external S&H board
- Contents 3
- List of Figures 11
- 1 Overview 12
- 1.4 DAQ signals 13
- 1.5 Device hierarchy 14
- 1.6 Acquisition terminology 14
- 1.7 DAQ functions 15
- 1.8 Supporting functionality 15
- 2 Configuration 16
- 3 Writing Comedi programs 19
- 10 / 148 21
- 3.4 Asynchronous acquisition 22
- 12 / 148 23
- 13 / 148 24
- 3.5 Further examples 25
- 15 / 148 26
- 16 / 148 27
- 17 / 148 28
- 4.2.2 Instruction execution 28
- 18 / 148 29
- 19 / 148 30
- 4.5.1 Executing a command 30
- 20 / 148 31
- 21 / 148 32
- 4.5.4 The command flags 32
- 4.6 Slowly-varying inputs 33
- 23 / 148 34
- 24 / 148 35
- 4.7.4 Extended Triggering 35
- 25 / 148 36
- 4.7.5 Analog Triggering 36
- 26 / 148 37
- 4.7.7 Counter configuration 37
- 27 / 148 38
- 28 / 148 39
- 29 / 148 40
- 30 / 148 41
- 5 Comedi reference 42
- 32 / 148 43
- 5.2.2 CR_PACK_FLAGS 43
- 5.3 Data types and structures 44
- 35 / 148 46
- 5.3.7 comedi_cmd 46
- 5.3.8 comedi_insn 46
- 36 / 148 47
- 5.3.9 comedi_range 47
- 5.3.10 comedi_krange 47
- 5.4 Functions 48
- 45 / 148 56
- Synopsis 56
- Description 56
- 5.5 Kernel drivers 84
- 74 / 148 85
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- MicroAxial ADQ12-B adq12b 89
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- Status: works 105
- Manufacturer Device Name 105
- 95 / 148 106
- Author: ds, fmhess 107
- 97 / 148 108
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- Status: complete 116
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- 107 / 148 118
- 108 / 148 119
- 5.5.51 fl512 -- unknown 119
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- 125 / 148 136
- Advantech PCL-816 pcl816 137
- 127 / 148 138
- 128 / 148 139
- 129 / 148 140
- 5.5.88 pcm3730 -- PCM3730 140
- 130 / 148 141
- Winsystems PCM-MIO pcmmio 142
- 133 / 148 144
- 134 / 148 145
- 135 / 148 146
- 136 / 148 147
- 137 / 148 148
- Status: stable 149
- ITL USB-DUX-FAST usbduxfast 149
- Status: Stable 150
- ITL USB-DUX-SIGMA usbduxsigma 150
- 6 Writing a Comedi driver 151
- 6.2 Generic functionality 152
- 142 / 148 153
- 6.2.1.1 comedi_lrange 153
- 6.2.1.2 comedi_subdevice 153
- 143 / 148 154
- 6.2.1.3 comedi_device 154
- 6.2.1.4 comedi_async 154
- 144 / 148 155
- 6.2.1.5 comedi_driver 155
- 145 / 148 156
- 146 / 148 157
- 7 Glossary 158
- 148 / 148 159
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