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Mart Lubbers
CleanSerial
Commits
2d370b44
Commit
2d370b44
authored
Feb 19, 2017
by
Mart Lubbers
Browse files
add more iTasks functionality
parent
9ea6c240
Changes
2
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Inline
Side-by-side
iTasksTTY.dcl
View file @
2d370b44
definition
module
iTasksTTY
from
TTY
import
::
TTYSettings
import
iTasks
derive
class
iTask
TTYSettings
getTTYDevices
::
!*
env
->
*(![
String
],
!*
env
)
syncSerialChannel
::
String
TTYSettings
(
b
->
String
)
(
String
->
a
)
(
Shared
([
a
],[
b
],
Bool
))
->
Task
()
|
iTask
a
&
iTask
b
iTasksTTY.icl
View file @
2d370b44
implementation
module
iTasksTTY
import
TTY
import
StdList
import
StdFunc
from
StdFunc
import
o
,
flip
import
StdMisc
import
StdString
import
System
.
Directory
import
Data
.
Error
import
iTasks
from
Data
.
Func
import
$
from
Text
import
class
Text
(
startsWith
),
instance
Text
String
import
iTasks
.
UI
.
Definition
import
iTasks
.
_Framework
.
TaskState
import
iTasks
.
_Framework
.
TaskServer
import
iTasks
.
_Framework
.
IWorld
import
iTasks
.
_Framework
.
Store
::
*
Resource
|
TTYd
!*
TTY
derive
class
iTask
TTYSettings
,
Parity
,
BaudRate
,
ByteSize
getTTYDevices
::
!*
env
->
*(![
String
],
!*
env
)
getTTYDevices
w
=
case
readDirectory
"/dev"
w
of
(
Error
(
errcode
,
errmsg
),
w
)
=
abort
errmsg
...
...
@@ -16,3 +30,51 @@ getTTYDevices w = case readDirectory "/dev" w of
where
isTTY
s
=
not
(
isEmpty
(
filter
(
flip
startsWith
s
)
prefixes
))
prefixes
=
[
"ttyS"
,
"ttyACM"
,
"ttyUSB"
,
"tty.usbserial"
]
syncSerialChannel
::
String
TTYSettings
(
b
->
String
)
(
String
->
a
)
(
Shared
([
a
],[
b
],
Bool
))
->
Task
()
|
iTask
a
&
iTask
b
syncSerialChannel
dev
opts
enc
dec
rw
=
Task
eval
where
eval
event
evalOpts
tree
=:(
TCInit
taskId
ts
)
iworld
=:{
IWorld
|
world
}
=
case
TTYopen
dev
opts
world
of
(
False
,
_,
world
)
#
(
err
,
world
)
=
TTYerror
world
=
(
ExceptionResult
(
exception
err
),
{
iworld
&
world
=
world
})
(
True
,
tty
,
world
)
#
iworld
=
{
iworld
&
world
=
world
,
resources
=
Just
(
TTYd
tty
)}
=
case
addBackgroundTask
42
(
BackgroundTask
(
serialDeviceBackgroundTask
rw
))
iworld
of
(
Error
e
,
iworld
)
=
(
ExceptionResult
(
exception
"h"
),
iworld
)
(
Ok
_,
iworld
)
=
(
ValueResult
NoValue
{
TaskEvalInfo
|
lastEvent
=
ts
,
removedTasks
=[],
refreshSensitive
=
True
}
NoChange
(
TCBasic
taskId
ts
JSONNull
False
),
iworld
)
eval
_
_
tree
=:(
TCBasic
_
ts
_
_)
iworld
=
(
ValueResult
NoValue
{
TaskEvalInfo
|
lastEvent
=
ts
,
removedTasks
=[],
refreshSensitive
=
False
}
NoChange
tree
,
iworld
)
eval
event
evalOpts
tree
=:(
TCDestroy
_)
iworld
=:{
IWorld
|
resources
,
world
}
#
(
TTYd
tty
)
=
fromJust
resources
#
(
ok
,
world
)
=
TTYclose
tty
world
#
iworld
=
{
iworld
&
world
=
world
,
resources
=
Nothing
}
=
case
removeBackgroundTask
42
iworld
of
(
Error
e
,
iworld
)
=
(
ExceptionResult
(
exception
"h"
),
iworld
)
(
Ok
_,
iworld
)
=
(
DestroyedResult
,
iworld
)
// serialDeviceBackgroundTask :: (Shared ([MTaskMSGRecv],[MTaskMSGSend],Bool)) !*IWorld -> (MaybeError TaskException (), *IWorld)
serialDeviceBackgroundTask
rw
iworld
=
case
read
rw
iworld
of
(
Error
e
,
iworld
)
=
(
Error
$
exception
"share couldn't be read"
,
iworld
)
(
Ok
(
r
,
s
,
ss
),
iworld
)
#
(
Just
(
TTYd
tty
))
=
iworld
.
resources
#
tty
=
writet
(
map
enc
s
)
tty
#
(
ml
,
tty
)
=
case
TTYavailable
tty
of
(
False
,
tty
)
=
([],
tty
)
(_,
tty
)
#
(
l
,
tty
)
=
TTYreadline
tty
=
([
dec
l
],
tty
)
#
iworld
=
{
iworld
&
resources
=
Just
(
TTYd
tty
)}
=
case
write
(
r
++
ml
,[],
False
)
rw
iworld
of
(
Error
e
,
iworld
)
=
(
Error
$
exception
"share couldn't be written"
,
iworld
)
(
Ok
_,
iworld
)
=
case
notify
rw
iworld
of
(
Error
e
,
iworld
)
=
(
Error
$
exception
"share couldn't be notified"
,
iworld
)
(
Ok
_,
iworld
)
=
(
Ok
(),
iworld
)
where
writet
::
[
String
]
->
(*
TTY
->
*
TTY
)
writet
[]
=
id
writet
[
x
:
xs
]
=
writet
xs
o
TTYwrite
x
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