comedi_wrap.c
[ Python Module : comedi ]
COMEDI_MAJOR = 98
[ Constant: int ]
maximum number of minor devices. This can be increased, although
kernel structures are currently statically allocated, thus you
don't want this to be much more than you actually use.
COMEDI_NDEVICES = 4
[ Constant: int ]
number of config options in the config structure
COMEDI_NDEVCONFOPTS = 32
[ Constant: int ]
max length of device and driver names
COMEDI_NAMELEN = 20
[ Constant: int ]
CR_FLAGS_MASK = 0xfc000000
[ Constant: int ]
CR_ALT_FILTER = (1<<26)
[ Constant: int ]
CR_DITHER = ((1<<26))
[ Constant: int ]
CR_DEGLITCH = ((1<<26))
[ Constant: int ]
CR_ALT_SOURCE = (1<<27)
[ Constant: int ]
CR_EDGE = (1<<30)
[ Constant: int ]
CR_INVERT = (1<<31)
[ Constant: int ]
analog ref = analog ground
AREF_GROUND = 0x00
[ Constant: int ]
analog ref = analog common
AREF_COMMON = 0x01
[ Constant: int ]
analog ref = differential
AREF_DIFF = 0x02
[ Constant: int ]
analog ref = other (undefined)
AREF_OTHER = 0x03
[ Constant: int ]
counters -- these are arbitrary values
GPCT_RESET = 0x0001
[ Constant: int ]
GPCT_SET_SOURCE = 0x0002
[ Constant: int ]
GPCT_SET_GATE = 0x0004
[ Constant: int ]
GPCT_SET_DIRECTION = 0x0008
[ Constant: int ]
GPCT_SET_OPERATION = 0x0010
[ Constant: int ]
GPCT_ARM = 0x0020
[ Constant: int ]
GPCT_DISARM = 0x0040
[ Constant: int ]
GPCT_GET_INT_CLK_FRQ = 0x0080
[ Constant: int ]
GPCT_INT_CLOCK = 0x0001
[ Constant: int ]
GPCT_EXT_PIN = 0x0002
[ Constant: int ]
GPCT_NO_GATE = 0x0004
[ Constant: int ]
GPCT_UP = 0x0008
[ Constant: int ]
GPCT_DOWN = 0x0010
[ Constant: int ]
GPCT_HWUD = 0x0020
[ Constant: int ]
GPCT_SIMPLE_EVENT = 0x0040
[ Constant: int ]
GPCT_SINGLE_PERIOD = 0x0080
[ Constant: int ]
GPCT_SINGLE_PW = 0x0100
[ Constant: int ]
GPCT_CONT_PULSE_OUT = 0x0200
[ Constant: int ]
GPCT_SINGLE_PULSE_OUT = 0x0400
[ Constant: int ]
INSN_MASK_WRITE = 0x8000000
[ Constant: int ]
INSN_MASK_READ = 0x4000000
[ Constant: int ]
INSN_MASK_SPECIAL = 0x2000000
[ Constant: int ]
INSN_READ = (0|(0x4000000))
[ Constant: int ]
INSN_WRITE = (1|(0x8000000))
[ Constant: int ]
INSN_BITS = (2|(0x4000000)|(0x8000000))
[ Constant: int ]
INSN_CONFIG = (3|(0x4000000)|(0x8000000))
[ Constant: int ]
INSN_GTOD = (4|(0x4000000)|(0x2000000))
[ Constant: int ]
INSN_WAIT = (5|(0x8000000)|(0x2000000))
[ Constant: int ]
INSN_INTTRIG = (6|(0x8000000)|(0x2000000))
[ Constant: int ]
trigger flags These flags are used in comedi_trig structures
TRIG_BOGUS = 0x0001
[ Constant: int ]
enable dithering
TRIG_DITHER = 0x0002
[ Constant: int ]
enable deglitching
TRIG_DEGLITCH = 0x0004
[ Constant: int ]
perform configuration, not triggering
TRIG_CONFIG = 0x0010
[ Constant: int ]
#define TRIG_WAKE_EOS 0x0020 /* wake up on end-of-scan events */
#define TRIG_WRITE 0x0040 /* write to bidirectional devices */
CMDF_PRIORITY = 0x00000008
[ Constant: int ]
compatibility definition
TRIG_RT = (0x00000008)
[ Constant: int ]
legacy definition for COMEDI_EV_SCAN_END
TRIG_WAKE_EOS = 0x00000020
[ Constant: int ]
CMDF_WRITE = 0x00000040
[ Constant: int ]
compatibility definition
TRIG_WRITE = (0x00000040)
[ Constant: int ]
CMDF_RAWDATA = 0x00000080
[ Constant: int ]
COMEDI_EV_START = 0x00040000
[ Constant: int ]
COMEDI_EV_SCAN_BEGIN = 0x00080000
[ Constant: int ]
COMEDI_EV_CONVERT = 0x00100000
[ Constant: int ]
COMEDI_EV_SCAN_END = 0x00200000
[ Constant: int ]
COMEDI_EV_STOP = 0x00400000
[ Constant: int ]
TRIG_ROUND_MASK = 0x00030000
[ Constant: int ]
TRIG_ROUND_NEAREST = 0x00000000
[ Constant: int ]
TRIG_ROUND_DOWN = 0x00010000
[ Constant: int ]
TRIG_ROUND_UP = 0x00020000
[ Constant: int ]
TRIG_ROUND_UP_NEXT = 0x00030000
[ Constant: int ]
trigger sources
TRIG_ANY = 0xffffffff
[ Constant: int ]
TRIG_INVALID = 0x00000000
[ Constant: int ]
never trigger
TRIG_NONE = 0x00000001
[ Constant: int ]
trigger now + N ns
TRIG_NOW = 0x00000002
[ Constant: int ]
trigger on next lower level trig
TRIG_FOLLOW = 0x00000004
[ Constant: int ]
trigger at time N ns
TRIG_TIME = 0x00000008
[ Constant: int ]
trigger at rate N ns
TRIG_TIMER = 0x00000010
[ Constant: int ]
trigger when count reaches N
TRIG_COUNT = 0x00000020
[ Constant: int ]
trigger on external signal N
TRIG_EXT = 0x00000040
[ Constant: int ]
trigger on comedi-internal signal N
TRIG_INT = 0x00000080
[ Constant: int ]
driver defined
TRIG_OTHER = 0x00000100
[ Constant: int ]
subdevice flags
SDF_BUSY = 0x0001
[ Constant: int ]
device is busy with your job
SDF_BUSY_OWNER = 0x0002
[ Constant: int ]
subdevice is locked
SDF_LOCKED = 0x0004
[ Constant: int ]
you own lock
SDF_LOCK_OWNER = 0x0008
[ Constant: int ]
maxdata depends on channel
SDF_MAXDATA = 0x0010
[ Constant: int ]
flags depend on channel
SDF_FLAGS = 0x0020
[ Constant: int ]
range type depends on channel
SDF_RANGETYPE = 0x0040
[ Constant: int ]
can do mode 0
SDF_MODE0 = 0x0080
[ Constant: int ]
can do mode 1
SDF_MODE1 = 0x0100
[ Constant: int ]
can do mode 2
SDF_MODE2 = 0x0200
[ Constant: int ]
can do mode 3
SDF_MODE3 = 0x0400
[ Constant: int ]
can do mode 4
SDF_MODE4 = 0x0800
[ Constant: int ]
can do commands
SDF_CMD = 0x1000
[ Constant: int ]
subdevice can be read (e.g. analog input)
SDF_READABLE = 0x00010000
[ Constant: int ]
subdevice can be written (e.g. analog output)
SDF_WRITABLE = 0x00020000
[ Constant: int ]
spelling error in API
SDF_WRITEABLE = (0x00020000)
[ Constant: int ]
subdevice does not have externally visible lines
SDF_INTERNAL = 0x00040000
[ Constant: int ]
subdevice is RT capable
SDF_RT = 0x00080000
[ Constant: int ]
can do aref=ground
SDF_GROUND = 0x00100000
[ Constant: int ]
can do aref=common
SDF_COMMON = 0x00200000
[ Constant: int ]
can do aref=diff
SDF_DIFF = 0x00400000
[ Constant: int ]
can do aref=other
SDF_OTHER = 0x00800000
[ Constant: int ]
can do dithering
SDF_DITHER = 0x01000000
[ Constant: int ]
can do deglitching
SDF_DEGLITCH = 0x02000000
[ Constant: int ]
can do mmap()
SDF_MMAP = 0x04000000
[ Constant: int ]
subdevice is acquiring data
SDF_RUNNING = 0x08000000
[ Constant: int ]
subdevice uses 32-bit samples
SDF_LSAMPL = 0x10000000
[ Constant: int ]
subdevice can do packed DIO
SDF_PACKED = 0x20000000
[ Constant: int ]
subdevice types
COMEDI_SUBD_UNUSED = 0
[ Constant: int ]
COMEDI_SUBD_AI = 1
[ Constant: int ]
COMEDI_SUBD_AO = 2
[ Constant: int ]
COMEDI_SUBD_DI = 3
[ Constant: int ]
COMEDI_SUBD_DO = 4
[ Constant: int ]
COMEDI_SUBD_DIO = 5
[ Constant: int ]
COMEDI_SUBD_COUNTER = 6
[ Constant: int ]
COMEDI_SUBD_TIMER = 7
[ Constant: int ]
COMEDI_SUBD_MEMORY = 8
[ Constant: int ]
COMEDI_SUBD_CALIB = 9
[ Constant: int ]
processor, DSP
COMEDI_SUBD_PROC = 10
[ Constant: int ]
configuration instructions
COMEDI_INPUT = 0
[ Constant: int ]
COMEDI_OUTPUT = 1
[ Constant: int ]
COMEDI_OPENDRAIN = 2
[ Constant: int ]
INSN_CONFIG_ANALOG_TRIG = 0x10
[ Constant: int ]
#define INSN_CONFIG_WAVEFORM 0x11 #define INSN_CONFIG_TRIG 0x12
#define INSN_CONFIG_COUNTER 0x13
INSN_CONFIG_ALT_SOURCE = 0x14
[ Constant: int ]
#define INSN_CONFIG_DIGITAL_TRIG 0x15 #define INSN_CONFIG_BLOCK_SIZE
0x16
CIO = d
[ Constant: char * ]
1. class comedi_trig_struct
============================
[ created from struct comedi_trig_struct ]
self.subdev
[ Member data: returns unsigned int ]
subdevice
self.mode
[ Member data: returns unsigned int ]
mode
self.flags
[ Member data: returns unsigned int ]
self.n_chan
[ Member data: returns unsigned int ]
number of channels
self.chanlist
[ Member data: returns unsigned int * ]
channel/range list
self.data
[ Member data: returns sampl_t * ]
data list, size depends on subd flags
self.n
[ Member data: returns unsigned int ]
number of scans
self.trigsrc
[ Member data: returns unsigned int ]
self.trigvar
[ Member data: returns unsigned int ]
self.trigvar1
[ Member data: returns unsigned int ]
self.data_len
[ Member data: returns unsigned int ]
self.unused
[ Member data: returns unsigned int * ]
comedi_trig_struct()
[ Constructor: returns struct comedi_trig_struct * ]
del this
[ Destructor: returns void ]
2. class comedi_insn_struct
============================
[ created from struct comedi_insn_struct ]
self.insn
[ Member data: returns unsigned int ]
self.n
[ Member data: returns unsigned int ]
self.data
[ Member data: returns lsampl_t * ]
self.subdev
[ Member data: returns unsigned int ]
self.chanspec
[ Member data: returns unsigned int ]
self.unused
[ Member data: returns unsigned int * ]
comedi_insn_struct()
[ Constructor: returns struct comedi_insn_struct * ]
del this
[ Destructor: returns void ]
3. class comedi_insnlist_struct
================================
[ created from struct comedi_insnlist_struct ]
self.n_insns
[ Member data: returns unsigned int ]
self.insns
[ Member data: returns comedi_insn * ]
comedi_insnlist_struct()
[ Constructor: returns struct comedi_insnlist_struct * ]
del this
[ Destructor: returns void ]
4. class comedi_cmd_struct
===========================
[ created from struct comedi_cmd_struct ]
self.subdev
[ Member data: returns unsigned int ]
self.flags
[ Member data: returns unsigned int ]
self.start_src
[ Member data: returns unsigned int ]
self.start_arg
[ Member data: returns unsigned int ]
self.scan_begin_src
[ Member data: returns unsigned int ]
self.scan_begin_arg
[ Member data: returns unsigned int ]
self.convert_src
[ Member data: returns unsigned int ]
self.convert_arg
[ Member data: returns unsigned int ]
self.scan_end_src
[ Member data: returns unsigned int ]
self.scan_end_arg
[ Member data: returns unsigned int ]
self.stop_src
[ Member data: returns unsigned int ]
self.stop_arg
[ Member data: returns unsigned int ]
self.chanlist
[ Member data: returns unsigned int * ]
channel/range list
self.chanlist_len
[ Member data: returns unsigned int ]
self.data
[ Member data: returns sampl_t * ]
data list, size depends on subd flags
self.data_len
[ Member data: returns unsigned int ]
comedi_cmd_struct()
[ Constructor: returns struct comedi_cmd_struct * ]
del this
[ Destructor: returns void ]
5. class comedi_chaninfo_struct
================================
[ created from struct comedi_chaninfo_struct ]
self.subdev
[ Member data: returns unsigned int ]
self.maxdata_list
[ Member data: returns lsampl_t * ]
self.flaglist
[ Member data: returns unsigned int * ]
self.rangelist
[ Member data: returns unsigned int * ]
self.unused
[ Member data: returns unsigned int * ]
comedi_chaninfo_struct()
[ Constructor: returns struct comedi_chaninfo_struct * ]
del this
[ Destructor: returns void ]
6. class comedi_rangeinfo_struct
=================================
[ created from struct comedi_rangeinfo_struct ]
self.range_type
[ Member data: returns unsigned int ]
self.range_ptr
[ Member data: returns void * ]
comedi_rangeinfo_struct()
[ Constructor: returns struct comedi_rangeinfo_struct * ]
del this
[ Destructor: returns void ]
7. class comedi_krange_struct
==============================
[ created from struct comedi_krange_struct ]
self.min
[ Member data: returns int ]
fixed point, multiply by 1e-6
self.max
[ Member data: returns int ]
fixed point, multiply by 1e-6
self.flags
[ Member data: returns unsigned int ]
comedi_krange_struct()
[ Constructor: returns struct comedi_krange_struct * ]
del this
[ Destructor: returns void ]
8. class comedi_subdinfo_struct
================================
[ created from struct comedi_subdinfo_struct ]
self.type
[ Member data: returns unsigned int ]
self.n_chan
[ Member data: returns unsigned int ]
self.subd_flags
[ Member data: returns unsigned int ]
self.timer_type
[ Member data: returns unsigned int ]
self.len_chanlist
[ Member data: returns unsigned int ]
self.maxdata
[ Member data: returns lsampl_t ]
self.flags
[ Member data: returns unsigned int ]
channel flags
self.range_type
[ Member data: returns unsigned int ]
lookup in kernel
self.unused
[ Member data: returns unsigned int * ]
comedi_subdinfo_struct()
[ Constructor: returns struct comedi_subdinfo_struct * ]
del this
[ Destructor: returns void ]
9. class comedi_devinfo_struct
===============================
[ created from struct comedi_devinfo_struct ]
self.version_code
[ Member data: returns unsigned int ]
self.n_subdevs
[ Member data: returns unsigned int ]
self.driver_name
[ Member data: returns char * ]
self.board_name
[ Member data: returns char * ]
self.read_subdevice
[ Member data: returns int ]
self.write_subdevice
[ Member data: returns int ]
self.unused
[ Member data: returns int * ]
comedi_devinfo_struct()
[ Constructor: returns struct comedi_devinfo_struct * ]
del this
[ Destructor: returns void ]
10. class comedi_devconfig_struct
==================================
[ created from struct comedi_devconfig_struct ]
self.board_name
[ Member data: returns char * ]
self.options
[ Member data: returns int * ]
comedi_devconfig_struct()
[ Constructor: returns struct comedi_devconfig_struct * ]
del this
[ Destructor: returns void ]
11. class comedi_bufconfig_struct
==================================
[ created from struct comedi_bufconfig_struct ]
self.subdevice
[ Member data: returns unsigned int ]
self.flags
[ Member data: returns unsigned int ]
self.maximum_size
[ Member data: returns unsigned int ]
self.size
[ Member data: returns unsigned int ]
self.unused
[ Member data: returns unsigned int * ]
comedi_bufconfig_struct()
[ Constructor: returns struct comedi_bufconfig_struct * ]
del this
[ Destructor: returns void ]
12. class comedi_bufinfo_struct
================================
[ created from struct comedi_bufinfo_struct ]
self.subdevice
[ Member data: returns unsigned int ]
self.bytes_read
[ Member data: returns unsigned int ]
self.buf_int_ptr
[ Member data: returns unsigned int ]
self.buf_user_ptr
[ Member data: returns unsigned int ]
self.buf_int_count
[ Member data: returns unsigned int ]
self.buf_user_count
[ Member data: returns unsigned int ]
self.unused
[ Member data: returns unsigned int * ]
comedi_bufinfo_struct()
[ Constructor: returns struct comedi_bufinfo_struct * ]
del this
[ Destructor: returns void ]
----------
RF_EXTERNAL = (1<<8)
[ Constant: int ]
UNIT_volt = 0
[ Constant: int ]
UNIT_mA = 1
[ Constant: int ]
UNIT_none = 2
[ Constant: int ]
COMEDI_MIN_SPEED = ((unsigned int)0xffffffff)
[ Constant: unsigned int ]
callback stuff only relevant to kernel modules.
COMEDI_CB_EOS = 1
[ Constant: int ]
COMEDI_CB_EOA = 2
[ Constant: int ]
convenient block size
COMEDI_CB_BLOCK = 4
[ Constant: int ]
end of buffer
COMEDI_CB_EOBUF = 8
[ Constant: int ]
card error during acquisition
COMEDI_CB_ERROR = 16
[ Constant: int ]
13. class comedi_range
=======================
[ created from struct comedi_range ]
self.min
[ Member data: returns double ]
self.max
[ Member data: returns double ]
self.unit
[ Member data: returns unsigned int ]
comedi_range()
[ Constructor: returns comedi_range * ]
del this
[ Destructor: returns void ]
14. class comedi_sv_t
======================
[ created from struct comedi_sv_t ]
self.dev
[ Member data: returns comedi_t * ]
self.subdevice
[ Member data: returns unsigned int ]
self.chan
[ Member data: returns unsigned int ]
self.range
[ Member data: returns int ]
self.aref
[ Member data: returns int ]
self.n
[ Member data: returns int ]
self.maxdata
[ Member data: returns lsampl_t ]
comedi_sv_t()
[ Constructor: returns comedi_sv_t * ]
del this
[ Destructor: returns void ]
----------
COMEDI_OOR_NUMBER = COMEDI_OOR_NUMBER
[ Constant: int ]
COMEDI_OOR_NAN = COMEDI_OOR_NAN
[ Constant: int ]
comedi_open(fn)
[ returns comedi_t * ]
comedi_close(it)
[ returns int ]
comedi_loglevel(loglevel)
[ returns int ]
comedi_perror(s)
[ returns void ]
comedi_strerror(errnum)
[ returns char * ]
comedi_errno()
[ returns int ]
comedi_fileno(it)
[ returns int ]
comedi_get_n_subdevices(it)
[ returns int ]
comedi_get_version_code(it)
[ returns int ]
comedi_get_driver_name(it)
[ returns char * ]
comedi_get_board_name(it)
[ returns char * ]
comedi_get_read_subdevice(dev)
[ returns int ]
comedi_get_write_subdevice(dev)
[ returns int ]
comedi_get_subdevice_type(it,subdevice)
[ returns int ]
comedi_find_subdevice_by_type(it,type,subd)
[ returns int ]
comedi_get_subdevice_flags(it,subdevice)
[ returns int ]
comedi_get_n_channels(it,subdevice)
[ returns int ]
comedi_range_is_chan_specific(it,subdevice)
[ returns int ]
comedi_maxdata_is_chan_specific(it,subdevice)
[ returns int ]
comedi_get_maxdata(it,subdevice,chan)
[ returns lsampl_t ]
comedi_get_n_ranges(it,subdevice,chan)
[ returns int ]
comedi_get_range(it,subdevice,chan,range)
[ returns comedi_range * ]
comedi_find_range(it,subd,chan,unit,min,max)
[ returns int ]
comedi_get_buffer_size(it,subdevice)
[ returns int ]
comedi_get_max_buffer_size(it,subdevice)
[ returns int ]
comedi_set_buffer_size(it,subdevice,len)
[ returns int ]
comedi_do_insnlist(it,il)
[ returns int ]
comedi_do_insn(it,insn)
[ returns int ]
comedi_lock(it,subdevice)
[ returns int ]
comedi_unlock(it,subdevice)
[ returns int ]
comedi_to_phys(data,rng,maxdata)
[ returns double ]
comedi_from_phys(data,rng,maxdata)
[ returns lsampl_t ]
comedi_sampl_to_phys(dest,dst_stride,src,src_stride,rng,maxdata,n)
[ returns int ]
comedi_sampl_from_phys(dest,dst_stride,src,src_stride,rng,maxdata,n)
[ returns int ]
comedi_data_read(it,subd,chan,range,aref,data)
[ returns int ]
comedi_data_read_n(it,subd,chan,range,aref,data,n)
[ returns int ]
comedi_data_read_hint(it,subd,chan,range,aref)
[ returns int ]
comedi_data_read_delayed(it,subd,chan,range,aref,data,nano_sec)
[ returns int ]
comedi_data_write(it,subd,chan,range,aref,data)
[ returns int ]
comedi_dio_config(it,subd,chan,dir)
[ returns int ]
comedi_dio_read(it,subd,chan,bit)
[ returns int ]
comedi_dio_write(it,subd,chan,bit)
[ returns int ]
comedi_dio_bitfield(it,subd,write_mask,bits)
[ returns int ]
comedi_sv_init(it,dev,subd,chan)
[ returns int ]
comedi_sv_update(it)
[ returns int ]
comedi_sv_measure(it,data)
[ returns int ]
comedi_get_cmd_src_mask(dev,subdevice,cmd)
[ returns int ]
comedi_get_cmd_generic_timed(dev,subdevice,cmd,ns)
[ returns int ]
comedi_cancel(it,subdevice)
[ returns int ]
comedi_command(it,cmd)
[ returns int ]
comedi_command_test(it,cmd)
[ returns int ]
comedi_poll(dev,subdevice)
[ returns int ]
comedi_set_max_buffer_size(it,subdev,max_size)
[ returns int ]
comedi_get_buffer_contents(it,subdev)
[ returns int ]
comedi_mark_buffer_read(it,subdev,bytes)
[ returns int ]
comedi_get_buffer_offset(it,subdev)
[ returns int ]