[Vm-dev] VM Maker: VMMaker.oscog-ul.2354.mcz
Eliot Miranda
eliot.miranda at gmail.com
Tue Mar 20 17:43:12 UTC 2018
Hi Javier,
On Sun, Mar 18, 2018 at 7:50 AM, Javier Diaz-Reinoso <javier_diaz_r at mac.com>
wrote:
>
> I am not sure if the code of MacOS for "support arbitrary serial speeds"
> is valid in Linux, the code in pyserial (https://github.com/pyserial/
> pyserial/blob/master/serial/serialposix.py) is:
>
> elif plat[:6] == 'darwin': # OS X
> import array
> IOSSIOSPEED = 0x80045402 # _IOW('T', 2, speed_t)
> class PlatformSpecific(PlatformSpecificBase):
> osx_version = os.uname()[2].split('.')
> # Tiger or above can support arbitrary serial speeds
> if int(osx_version[0]) >= 8:
> def _set_special_baudrate(self, baudrate):
> # use IOKit-specific call to set up high speeds
> buf = array.array('i', [baudrate])
> fcntl.ioctl(self.fd, IOSSIOSPEED, buf, 1)
>
> can the equivalent in C work in linux or the other unix?.
>
It should be able to, right? It's just an ioctl. Can you try and see and
commit the results to opensmalltalk/vm, e.g. as a pull request?
>
> At the moment I only use SqPronterface in mac (MacBook Pro or iBook G4)
> connected to an Arduino Mega controlling a Prusa Mendel printer.
>
>
> On 18 Mar 2018, at 05:29, Guillermo Polito <guillermopolito at gmail.com>
> wrote:
>
> Hi,
>
> I've seen also some hiccups with that. I had students that could not use
> serial port on mac to connect to arduinos and they had to default to a
> linux virtual box or similar to work... :/
>
> If there is an easy way to replace the "unimplemented" serial port by the
> unix one without duplicating the code that would be already an improvement
> by large and I would reaaaally be greatful. Then if there are bugs with
> reading speed, fixing one would suffice to fix both :).
>
> I can offer myself to test on osx arduinos and maybe connecting to an xbox
> controller.
>
> Tx!
> Guille
>
> On Sat, Mar 17, 2018 at 7:03 PM, Javier Diaz-Reinoso <
> javier_diaz_r at mac.com> wrote:
>
>>
>> Yes that is right, you can use sqUnixSerial.c instead of the
>> sqMacSerialPort.c but there are limitation about the maximum speed, I have
>> a hacked version of sqUnixSerial.c using the the same way that pyserial
>> use, using this file my program sqPronterface works well at 250000 bps in
>> intel mac, and a maximum of 230400 bps in ppc mac:
>>
>>
>>
>>
>> On 17 Mar 2018, at 03:02, Clément Bera <bera.clement at gmail.com> wrote:
>>
>>
>>
>> On Sat, Mar 17, 2018 at 1:09 AM, Levente Uzonyi <leves at caesar.elte.hu>
>> wrote:
>>
>>>
>>> Hi Eliot,
>>>
>>> I wonder how the Pharo builds handle those. Because these have always
>>> been enabled there.
>>> Also, these primitives are from the original SqueakVM branch
>>> (interpreter), so there should be problems as well if the primitives are
>>> missing.
>>>
>>> Levente
>>>
>>> On Fri, 16 Mar 2018, Eliot Miranda wrote:
>>>
>>> Hi Levente,
>>>> no need for any action on your part. I see that the Serial Port
>>>> primitives are essentially unimplemented on Mac OS so it is trivial to
>>>> provide null implementations for the "ByName" ones.
>>>>
>>>
>> Last time I talked with the people using the SerialPort plugin they said
>> on Mac they use the linux plugin since the Mac plugin is not implemented,
>> the linux plugin is, and the linux plugin works on all unix systems
>> including Mac.
>>
>>
>>
>>>
>>>> On Fri, Mar 16, 2018 at 3:46 PM, Eliot Miranda <eliot.miranda at gmail.com>
>>>> wrote:
>>>> Hi Levente,
>>>> when I try and build on Mac OS X I get this:
>>>>
>>>> "_serialPortOpenByName", referenced from:
>>>> _primitiveSerialPortOpenByName in SerialPlugin.lib(SerialPlugin.
>>>> o)
>>>> "_serialPortReadIntoByName", referenced from:
>>>> _primitiveSerialPortReadByName in SerialPlugin.lib(SerialPlugin.
>>>> o)
>>>> "_serialPortWriteFromByName", referenced from:
>>>> _primitiveSerialPortWriteByName in SerialPlugin.lib(SerialPlugin.
>>>> o)
>>>>
>>>> The implementations are missing in both platforms/Mac
>>>> OS/plugins/SerialPlugin/sqMacSerialPort.c and
>>>> platforms/iOS/plugins/SerialPlugin/sqMacSerialPort.c. They are there
>>>> in
>>>> platforms/unix/plugins/SerialPlugin/sqUnixSerial.c and
>>>> platforms/win32/plugins/SerialPlugin/sqWin32SerialPort.c.
>>>>
>>>> :-(
>>>>
>>>>
>>>> On Sat, Mar 10, 2018 at 1:58 PM, <commits at source.squeak.org> wrote:
>>>>
>>>> Levente Uzonyi uploaded a new version of VMMaker to project VM
>>>> Maker:
>>>> http://source.squeak.org/VMMaker/VMMaker.oscog-ul.2354.mcz
>>>>
>>>> ==================== Summary ====================
>>>>
>>>> Name: VMMaker.oscog-ul.2354
>>>> Author: ul
>>>> Time: 10 March 2018, 10:56:45.349653 pm
>>>> UUID: b8f3192d-2b33-4a5d-83f9-785fbefbc570
>>>> Ancestors: VMMaker.oscog-eem.2353
>>>>
>>>> Restored SerialPlugin's *byName* primitives on non-PharoVM VMs.
>>>>
>>>> =============== Diff against VMMaker.oscog-eem.2353
>>>> ===============
>>>>
>>>> Item was changed:
>>>> ----- Method: SerialPlugin>>primitiveSerialP
>>>> ortOpenByName:baudRate:stopBitsType:parityType:dataBits:inFl
>>>> owControlType:outFlowControlType:xOnByte:xOffByte: (in category
>>>> 'primitives') -----
>>>> primitiveSerialPortOpenByName: portName baudRate: baudRate
>>>> stopBitsType: stopBitsType parityType: parityType dataBits: dataBits
>>>> inFlowControlType: inFlowControl outFlowControlType:
>>>> outFlowControl xOnByte: xOnChar xOffByte: xOffChar
>>>> - <option: #PharoVM>
>>>> <var: #port type: 'char *'>
>>>>
>>>> | port portNameSize |
>>>>
>>>> self primitive: 'primitiveSerialPortOpenByName'
>>>> parameters: #(String SmallInteger SmallInteger
>>>> SmallInteger SmallInteger SmallInteger SmallInteger SmallInteger
>>>> SmallInteger ).
>>>>
>>>> portNameSize := interpreterProxy slotSizeOf: (portName
>>>> asOop: String).
>>>> port := self cCode: 'calloc(portNameSize+1,
>>>> sizeof(char))'.
>>>> self cCode: 'memcpy(port, portName, portNameSize)'.
>>>>
>>>> self cCode: 'serialPortOpenByName(
>>>> port, baudRate, stopBitsType,
>>>> parityType, dataBits,
>>>> inFlowControl, outFlowControl, xOnChar,
>>>> xOffChar)'.
>>>>
>>>> self free: port.!
>>>>
>>>> Item was changed:
>>>> ----- Method: SerialPlugin>>primitiveSerialP
>>>> ortReadByName:into:startingAt:count: (in category 'primitives') -----
>>>> primitiveSerialPortReadByName: portName into: array
>>>> startingAt: startIndex count: count
>>>> - <option: #PharoVM>
>>>> <var: #port type: 'char *'>
>>>>
>>>> | port portNameSize bytesRead arrayPtr |
>>>>
>>>> self primitive: 'primitiveSerialPortReadByName'
>>>> parameters: #(String ByteArray SmallInteger
>>>> SmallInteger ).
>>>>
>>>> interpreterProxy success: (startIndex >= 1 and:
>>>> [startIndex + count - 1 <= (interpreterProxy byteSizeOf: array cPtrAsOop)]).
>>>> "adjust for zero-origin indexing"
>>>>
>>>> portNameSize := interpreterProxy slotSizeOf: (portName
>>>> asOop: String).
>>>> port := self cCode: 'calloc(portNameSize+1,
>>>> sizeof(char))'.
>>>> self cCode: 'memcpy(port, portName, portNameSize)'.
>>>>
>>>> arrayPtr := array + startIndex - 1.
>>>> bytesRead := self cCode: 'serialPortReadIntoByName(
>>>> port, count, arrayPtr)'.
>>>>
>>>> self free: port.
>>>>
>>>> ^ bytesRead asSmallIntegerObj!
>>>>
>>>> Item was changed:
>>>> ----- Method: SerialPlugin>>primitiveSerialP
>>>> ortWriteByName:from:startingAt:count: (in category 'primitives') -----
>>>> primitiveSerialPortWriteByName: portName from: array
>>>> startingAt: startIndex count: count
>>>> - <option: #PharoVM>
>>>> <var: #port type: 'char *'>
>>>>
>>>> | bytesWritten arrayPtr portNameSize port |
>>>>
>>>> self primitive: 'primitiveSerialPortWriteByName'
>>>> parameters: #(String ByteArray SmallInteger
>>>> SmallInteger ).
>>>>
>>>> portNameSize := interpreterProxy slotSizeOf: (portName
>>>> asOop: String).
>>>> port := self cCode: 'calloc(portNameSize+1,
>>>> sizeof(char))'.
>>>> self cCode: 'memcpy(port, portName, portNameSize)'.
>>>>
>>>> interpreterProxy success: (startIndex >= 1 and:
>>>> [startIndex + count - 1 <= (interpreterProxy byteSizeOf: array cPtrAsOop)]).
>>>> interpreterProxy failed
>>>> ifFalse: [arrayPtr := array + startIndex - 1.
>>>> bytesWritten := self cCode:
>>>> 'serialPortWriteFromByName(port, count, arrayPtr)' ].
>>>>
>>>> self free: port.
>>>>
>>>> ^ bytesWritten asSmallIntegerObj!
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> _,,,^..^,,,_
>>>> best, Eliot
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> _,,,^..^,,,_
>>>> best, Eliot
>>>>
>>>>
>>>
>>
>>
>> --
>> Clément Béra
>> https://clementbera.github.io/
>> https://clementbera.wordpress.com/
>>
>>
>>
>>
>
>
> --
>
> Guille Polito
> Research Engineer
>
>
> Centre de Recherche en Informatique, Signal et Automatique de Lille
> CRIStAL - UMR 9189
> French National Center for Scientific Research - *http://www.cnrs.fr
> <http://www.cnrs.fr/>*
>
> *Web:* *http://guillep.github.io* <http://guillep.github.io/>
> *Phone: *+33 06 52 70 66 13 <+33%206%2052%2070%2066%2013>
>
>
>
>
--
_,,,^..^,,,_
best, Eliot
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