* Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin [not found] <2705.1130329910@domain.hid> @ 2005-10-26 12:59 ` j.p.schulz 2005-10-26 13:54 ` Philippe Gerum 0 siblings, 1 reply; 6+ messages in thread From: j.p.schulz @ 2005-10-26 12:59 UTC (permalink / raw) To: xenomai > --- Ursprüngliche Nachricht --- > Von: Philippe Gerum <rpm@xenomai.org> > An: "j.p.schulz" <j.p.schulz@domain.hid> > Kopie: xenomai@xenomai.org > Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin > Datum: Wed, 26 Oct 2005 10:09:19 +0200 > > j.p.schulz wrote: > > Hello > > I have Problems spawning a Task from a Task under the vxworks skin! > > If I spawn my Tasks from a Funktion - it works! > > If I spawn my Tasks from a Task - system crashes! > > Make sure to use an Adeos patch >= 1.0-07. v0.9.1 ships with 1.0-02, so > you > likely want to upgrade and try again. Recent Adeos patches for x86 can be > found > here: http://download.gna.org/adeos/patches/v2.6/adeos/i386/ > I installed the latest Fusion 9.1 patch - no changes Do I make a mistake when I am spawning the tasks? Second Problem ist that the uvm module has to be started twice. The first attempt returns: -1 Function not implemented The second attempt works! > > > > Here the programm: > > > > #include <stdlib.h> > > #include <stdio.h> > > #include <string.h> > > #include <signal.h> > > #include <ctype.h> > > #include <fcntl.h> > > #include <sys/io.h> > > #include <sys/stat.h> > > #include <sys/ioctl.h> > > > > #include <vxworks/vxworks.h> > > > > #include "vxChain.h" > > #include "portutils.h" > > > > > > #define PRIORITY_LOW 100 > > #define PRIORITY_MID 90 > > #define PRIORITY_HIGH 80 > > > > #define USE_FPU (VX_FP_TASK | VX_NO_STACK_FILL) > > #define NO_FPU VX_NO_STACK_FILL > > #define STACK_SIZE 0x5000 > > #define TASK_OPTIONS USE_FPU > > > > #define NUM_TASKS 8 > > #define MAX_TASKS 15 > > > > SEM_ID semId[MAX_TASKS * 2]; > > int taskId[MAX_TASKS]; > > int triggerId; > > > > > > int root_thread_init() > > { > > // Allow port I/O in userspace > > iopl(3); > > > > vxTest(); // Just a function call (works) > > // vxSpawn(); // Spawns the function as a task (crashes) > > > > return 0; > > } > > > > void vxSpawn( void ) > > { > > taskSpawn ("Master Task", PRIORITY_HIGH, > > TASK_OPTIONS, STACK_SIZE, > > (FUNCPTR) vxTest, > > 0,0,0,0,0,0,0,0,0,0); > > } > > > > void root_thread_exit (void) > > { > > printf ("root_thread_exit() called.\n"); > > } > > > > void vxTest( void ) > > { > > int i; > > char buf[80]; > > > > for (i=0; i < NUM_TASKS; i++) > > { > > semId[2*i] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); > > semId[2*i+1] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); > > } > > > > for (i=0; i < NUM_TASKS; i++) > > { > > sprintf(buf, "Task_%d", i); > > taskId[i] = > > taskSpawn(buf, PRIORITY_LOW, TASK_OPTIONS, STACK_SIZE, > > (FUNCPTR) WorkerTask, > > i, // Task Nummer > > semId[i], // warten auf Semaphor > > semId[i+1], // anzutriggerndes Semaphor > > 0,0,0,0,0,0,0); > > > > printf ("task[%d] = 0x%08X, errno = %d\n", i, taskId[i], errnoGet()); > > } > > > > triggerId = taskSpawn ("Trigger task", PRIORITY_MID, > > TASK_OPTIONS, STACK_SIZE, > > (FUNCPTR) TriggerTask, 0,0,0,0,0,0,0,0,0,0); > > printf ("taskTrigger = 0x%08X\n", triggerId); > > > > taskSuspend(taskIdSelf()); > > } > > > > void TriggerTask( void ) > > { > > while( 1 ) > > { > > taskDelay(1); > > semGive(semId[0]); > > } > > } > > > > FUNCPTR WorkerTask(int i0,int i1,int i2,int i3,int i4,int i5,int i6,int > > i7,int i8,int i9) > > { > > unsigned int task_num = (unsigned int) i0; > > int sem_to_wait = i1; > > int sem_to_trigger = i2; > > > > iopl(3); > > while (1) > > { > > semTake(sem_to_wait, WAIT_FOREVER); > > if (task_num < 8) > > { > > lpt_peak_bit (task_num); > > } > > semGive(sem_to_trigger); > > } > > return 0; > > } > > > > > > > > Fusion 0.9.1 > > Kernel 2.6.13-ipipe > > Suse 9.3 > > Any Ideas? > > Thanks > > Jan-Peter > > > > > -- > > Philippe. > -- 10 GB Mailbox, 100 FreeSMS/Monat http://www.gmx.net/de/go/topmail +++ GMX - die erste Adresse für Mail, Message, More +++ -- 10 GB Mailbox, 100 FreeSMS/Monat http://www.gmx.net/de/go/topmail +++ GMX - die erste Adresse für Mail, Message, More +++ ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin 2005-10-26 12:59 ` [Xenomai-help] Spawn Task from a Task -vxworks-skin j.p.schulz @ 2005-10-26 13:54 ` Philippe Gerum 2005-10-26 14:23 ` j.p.schulz 0 siblings, 1 reply; 6+ messages in thread From: Philippe Gerum @ 2005-10-26 13:54 UTC (permalink / raw) To: j.p.schulz; +Cc: xenomai j.p.schulz wrote: >>--- Ursprüngliche Nachricht --- >>Von: Philippe Gerum <rpm@xenomai.org> >>An: "j.p.schulz" <j.p.schulz@domain.hid> >>Kopie: xenomai@xenomai.org >>Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin >>Datum: Wed, 26 Oct 2005 10:09:19 +0200 >> >>j.p.schulz wrote: >> >>>Hello >>>I have Problems spawning a Task from a Task under the vxworks skin! >>>If I spawn my Tasks from a Funktion - it works! >>>If I spawn my Tasks from a Task - system crashes! >> >>Make sure to use an Adeos patch >= 1.0-07. v0.9.1 ships with 1.0-02, so >>you >>likely want to upgrade and try again. Recent Adeos patches for x86 can be >>found >>here: http://download.gna.org/adeos/patches/v2.6/adeos/i386/ >> > > > I installed the latest Fusion 9.1 patch - no changes Which _Adeos_ patch version, exactely? > Do I make a mistake when I am spawning the tasks? > > Second Problem ist that the uvm module has to be started twice. The first > attempt returns: -1 Function not implemented > The second attempt works! > Does dmesg say something after the first attempt? > >>>Here the programm: >>> >>>#include <stdlib.h> >>>#include <stdio.h> >>>#include <string.h> >>>#include <signal.h> >>>#include <ctype.h> >>>#include <fcntl.h> >>>#include <sys/io.h> >>>#include <sys/stat.h> >>>#include <sys/ioctl.h> >>> >>>#include <vxworks/vxworks.h> >>> >>>#include "vxChain.h" >>>#include "portutils.h" >>> >>> >>>#define PRIORITY_LOW 100 >>>#define PRIORITY_MID 90 >>>#define PRIORITY_HIGH 80 >>> >>>#define USE_FPU (VX_FP_TASK | VX_NO_STACK_FILL) >>>#define NO_FPU VX_NO_STACK_FILL >>>#define STACK_SIZE 0x5000 >>>#define TASK_OPTIONS USE_FPU >>> >>>#define NUM_TASKS 8 >>>#define MAX_TASKS 15 >>> >>>SEM_ID semId[MAX_TASKS * 2]; >>>int taskId[MAX_TASKS]; >>>int triggerId; >>> >>> >>>int root_thread_init() >>>{ >>> // Allow port I/O in userspace >>> iopl(3); >>> >>> vxTest(); // Just a function call (works) >>>// vxSpawn(); // Spawns the function as a task (crashes) >>> >>> return 0; >>>} >>> >>>void vxSpawn( void ) >>>{ >>> taskSpawn ("Master Task", PRIORITY_HIGH, >>> TASK_OPTIONS, STACK_SIZE, >>> (FUNCPTR) vxTest, >>> 0,0,0,0,0,0,0,0,0,0); >>>} >>> >>>void root_thread_exit (void) >>>{ >>> printf ("root_thread_exit() called.\n"); >>>} >>> >>>void vxTest( void ) >>>{ >>> int i; >>> char buf[80]; >>> >>> for (i=0; i < NUM_TASKS; i++) >>> { >>> semId[2*i] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); >>> semId[2*i+1] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); >>> } >>> >>> for (i=0; i < NUM_TASKS; i++) >>> { >>> sprintf(buf, "Task_%d", i); >>> taskId[i] = >>> taskSpawn(buf, PRIORITY_LOW, TASK_OPTIONS, STACK_SIZE, >>> (FUNCPTR) WorkerTask, >>> i, // Task Nummer >>> semId[i], // warten auf Semaphor >>> semId[i+1], // anzutriggerndes Semaphor >>> 0,0,0,0,0,0,0); >>> >>> printf ("task[%d] = 0x%08X, errno = %d\n", i, taskId[i], errnoGet()); >>> } >>> >>> triggerId = taskSpawn ("Trigger task", PRIORITY_MID, >>> TASK_OPTIONS, STACK_SIZE, >>> (FUNCPTR) TriggerTask, 0,0,0,0,0,0,0,0,0,0); >>> printf ("taskTrigger = 0x%08X\n", triggerId); >>> >>> taskSuspend(taskIdSelf()); >>>} >>> >>>void TriggerTask( void ) >>>{ >>> while( 1 ) >>> { >>> taskDelay(1); >>> semGive(semId[0]); >>> } >>>} >>> >>>FUNCPTR WorkerTask(int i0,int i1,int i2,int i3,int i4,int i5,int i6,int >>>i7,int i8,int i9) >>>{ >>> unsigned int task_num = (unsigned int) i0; >>> int sem_to_wait = i1; >>> int sem_to_trigger = i2; >>> >>> iopl(3); >>> while (1) >>> { >>> semTake(sem_to_wait, WAIT_FOREVER); >>> if (task_num < 8) >>> { >>> lpt_peak_bit (task_num); >>> } >>> semGive(sem_to_trigger); >>> } >>> return 0; >>>} >>> >>> >>> >>>Fusion 0.9.1 >>>Kernel 2.6.13-ipipe >>>Suse 9.3 >>>Any Ideas? >>>Thanks >>>Jan-Peter >>> >> >> >>-- >> >>Philippe. >> > > -- Philippe. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin 2005-10-26 13:54 ` Philippe Gerum @ 2005-10-26 14:23 ` j.p.schulz 0 siblings, 0 replies; 6+ messages in thread From: j.p.schulz @ 2005-10-26 14:23 UTC (permalink / raw) To: xenomai > --- Ursprüngliche Nachricht --- > Von: Philippe Gerum <rpm@xenomai.org> > An: "j.p.schulz" <j.p.schulz@domain.hid> > Kopie: xenomai@xenomai.org > Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin > Datum: Wed, 26 Oct 2005 15:54:24 +0200 > > j.p.schulz wrote: > >>--- Ursprüngliche Nachricht --- > >>Von: Philippe Gerum <rpm@xenomai.org> > >>An: "j.p.schulz" <j.p.schulz@domain.hid> > >>Kopie: xenomai@xenomai.org > >>Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin > >>Datum: Wed, 26 Oct 2005 10:09:19 +0200 > >> > >>j.p.schulz wrote: > >> > >>>Hello > >>>I have Problems spawning a Task from a Task under the vxworks skin! > >>>If I spawn my Tasks from a Funktion - it works! > >>>If I spawn my Tasks from a Task - system crashes! > >> > >>Make sure to use an Adeos patch >= 1.0-07. v0.9.1 ships with 1.0-02, so > >>you > >>likely want to upgrade and try again. Recent Adeos patches for x86 can > be > >>found > >>here: http://download.gna.org/adeos/patches/v2.6/adeos/i386/ > >> > > > > > > I installed the latest Fusion 9.1 patch - no changes > > Which _Adeos_ patch version, exactely? > > > Do I make a mistake when I am spawning the tasks? > > > > Second Problem ist that the uvm module has to be started twice. The > first > > attempt returns: -1 Function not implemented > > The second attempt works! > > > > Does dmesg say something after the first attempt? > > > > >>>Here the programm: > >>> > >>>#include <stdlib.h> > >>>#include <stdio.h> > >>>#include <string.h> > >>>#include <signal.h> > >>>#include <ctype.h> > >>>#include <fcntl.h> > >>>#include <sys/io.h> > >>>#include <sys/stat.h> > >>>#include <sys/ioctl.h> > >>> > >>>#include <vxworks/vxworks.h> > >>> > >>>#include "vxChain.h" > >>>#include "portutils.h" > >>> > >>> > >>>#define PRIORITY_LOW 100 > >>>#define PRIORITY_MID 90 > >>>#define PRIORITY_HIGH 80 > >>> > >>>#define USE_FPU (VX_FP_TASK | VX_NO_STACK_FILL) > >>>#define NO_FPU VX_NO_STACK_FILL > >>>#define STACK_SIZE 0x5000 > >>>#define TASK_OPTIONS USE_FPU > >>> > >>>#define NUM_TASKS 8 > >>>#define MAX_TASKS 15 > >>> > >>>SEM_ID semId[MAX_TASKS * 2]; > >>>int taskId[MAX_TASKS]; > >>>int triggerId; > >>> > >>> > >>>int root_thread_init() > >>>{ > >>> // Allow port I/O in userspace > >>> iopl(3); > >>> > >>> vxTest(); // Just a function call (works) > >>>// vxSpawn(); // Spawns the function as a task (crashes) > >>> > >>> return 0; > >>>} > >>> > >>>void vxSpawn( void ) > >>>{ > >>> taskSpawn ("Master Task", PRIORITY_HIGH, > >>> TASK_OPTIONS, STACK_SIZE, > >>> (FUNCPTR) vxTest, > >>> 0,0,0,0,0,0,0,0,0,0); > >>>} > >>> > >>>void root_thread_exit (void) > >>>{ > >>> printf ("root_thread_exit() called.\n"); > >>>} > >>> > >>>void vxTest( void ) > >>>{ > >>> int i; > >>> char buf[80]; > >>> > >>> for (i=0; i < NUM_TASKS; i++) > >>> { > >>> semId[2*i] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); > >>> semId[2*i+1] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); > >>> } > >>> > >>> for (i=0; i < NUM_TASKS; i++) > >>> { > >>> sprintf(buf, "Task_%d", i); > >>> taskId[i] = > >>> taskSpawn(buf, PRIORITY_LOW, TASK_OPTIONS, STACK_SIZE, > >>> (FUNCPTR) WorkerTask, > >>> i, // Task Nummer > >>> semId[i], // warten auf Semaphor > >>> semId[i+1], // anzutriggerndes Semaphor > >>> 0,0,0,0,0,0,0); > >>> > >>> printf ("task[%d] = 0x%08X, errno = %d\n", i, taskId[i], errnoGet()); > >>> } > >>> > >>> triggerId = taskSpawn ("Trigger task", PRIORITY_MID, > >>> TASK_OPTIONS, STACK_SIZE, > >>> (FUNCPTR) TriggerTask, 0,0,0,0,0,0,0,0,0,0); > >>> printf ("taskTrigger = 0x%08X\n", triggerId); > >>> > >>> taskSuspend(taskIdSelf()); > >>>} > >>> > >>>void TriggerTask( void ) > >>>{ > >>> while( 1 ) > >>> { > >>> taskDelay(1); > >>> semGive(semId[0]); > >>> } > >>>} > >>> > >>>FUNCPTR WorkerTask(int i0,int i1,int i2,int i3,int i4,int i5,int i6,int > >>>i7,int i8,int i9) > >>>{ > >>> unsigned int task_num = (unsigned int) i0; > >>> int sem_to_wait = i1; > >>> int sem_to_trigger = i2; > >>> > >>> iopl(3); > >>> while (1) > >>> { > >>> semTake(sem_to_wait, WAIT_FOREVER); > >>> if (task_num < 8) > >>> { > >>> lpt_peak_bit (task_num); > >>> } > >>> semGive(sem_to_trigger); > >>> } > >>> return 0; > >>>} > >>> > >>> > >>> > >>>Fusion 0.9.1 > >>>Kernel 2.6.13-ipipe > >>>Suse 9.3 > >>>Any Ideas? > >>>Thanks > >>>Jan-Peter > >>> > >> > >> > >>-- > >> > >>Philippe. > >> > > > > > > > -- > > Philippe. > -- 10 GB Mailbox, 100 FreeSMS/Monat http://www.gmx.net/de/go/topmail +++ GMX - die erste Adresse für Mail, Message, More +++ ^ permalink raw reply [flat|nested] 6+ messages in thread
[parent not found: <10692.1130336592@domain.hid>]
* Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin [not found] <10692.1130336592@domain.hid> @ 2005-10-26 14:31 ` j.p.schulz 2005-10-26 14:36 ` Philippe Gerum 0 siblings, 1 reply; 6+ messages in thread From: j.p.schulz @ 2005-10-26 14:31 UTC (permalink / raw) To: Philippe Gerum; +Cc: xenomai > --- Ursprüngliche Nachricht --- > Von: Philippe Gerum <rpm@xenomai.org> > An: "j.p.schulz" <j.p.schulz@domain.hid> > Kopie: xenomai@xenomai.org > Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin > Datum: Wed, 26 Oct 2005 15:54:24 +0200 > > j.p.schulz wrote: > >>--- Ursprüngliche Nachricht --- > >>Von: Philippe Gerum <rpm@xenomai.org> > >>An: "j.p.schulz" <j.p.schulz@domain.hid> > >>Kopie: xenomai@xenomai.org > >>Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin > >>Datum: Wed, 26 Oct 2005 10:09:19 +0200 > >> > >>j.p.schulz wrote: > >> > >>>Hello > >>>I have Problems spawning a Task from a Task under the vxworks skin! > >>>If I spawn my Tasks from a Funktion - it works! > >>>If I spawn my Tasks from a Task - system crashes! > >> > >>Make sure to use an Adeos patch >= 1.0-07. v0.9.1 ships with 1.0-02, so > >>you > >>likely want to upgrade and try again. Recent Adeos patches for x86 can > be > >>found > >>here: http://download.gna.org/adeos/patches/v2.6/adeos/i386/ > >> > > > > > > I installed the latest Fusion 9.1 patch - no changes > > Which _Adeos_ patch version, exactely? First I tried adeos-ipipe-2.6.13-i386-1.0-07.patch and now adeos-ipipe-2.6.13-i386-1.0-08.patch > > > Do I make a mistake when I am spawning the tasks? > > > > Second Problem ist that the uvm module has to be started twice. The > first > > attempt returns: -1 Function not implemented > > The second attempt works! > > > > Does dmesg say something after the first attempt? No, but why does it work after the second attempt? It is possible that the task spawn problem is caused by the uvm module? Ups - there is something: dmesg says RTAI: starting the UVM services Thanks Jan-Peter -- Telefonieren Sie schon oder sparen Sie noch? NEU: GMX Phone_Flat http://www.gmx.net/de/go/telefonie -- 10 GB Mailbox, 100 FreeSMS/Monat http://www.gmx.net/de/go/topmail +++ GMX - die erste Adresse für Mail, Message, More +++ ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin 2005-10-26 14:31 ` j.p.schulz @ 2005-10-26 14:36 ` Philippe Gerum 0 siblings, 0 replies; 6+ messages in thread From: Philippe Gerum @ 2005-10-26 14:36 UTC (permalink / raw) To: j.p.schulz; +Cc: xenomai j.p.schulz wrote: >>--- Ursprüngliche Nachricht --- >>Von: Philippe Gerum <rpm@xenomai.org> >>An: "j.p.schulz" <j.p.schulz@domain.hid> >>Kopie: xenomai@xenomai.org >>Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin >>Datum: Wed, 26 Oct 2005 15:54:24 +0200 >> >>j.p.schulz wrote: >> >>>>--- Ursprüngliche Nachricht --- >>>>Von: Philippe Gerum <rpm@xenomai.org> >>>>An: "j.p.schulz" <j.p.schulz@domain.hid> >>>>Kopie: xenomai@xenomai.org >>>>Betreff: Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin >>>>Datum: Wed, 26 Oct 2005 10:09:19 +0200 >>>> >>>>j.p.schulz wrote: >>>> >>>> >>>>>Hello >>>>>I have Problems spawning a Task from a Task under the vxworks skin! >>>>>If I spawn my Tasks from a Funktion - it works! >>>>>If I spawn my Tasks from a Task - system crashes! >>>> >>>>Make sure to use an Adeos patch >= 1.0-07. v0.9.1 ships with 1.0-02, so >>>>you >>>>likely want to upgrade and try again. Recent Adeos patches for x86 can >> >>be >> >>>>found >>>>here: http://download.gna.org/adeos/patches/v2.6/adeos/i386/ >>>> >>> >>> >>>I installed the latest Fusion 9.1 patch - no changes >> >>Which _Adeos_ patch version, exactely? > > > First I tried adeos-ipipe-2.6.13-i386-1.0-07.patch > and now adeos-ipipe-2.6.13-i386-1.0-08.patch > > >>>Do I make a mistake when I am spawning the tasks? >>> >>>Second Problem ist that the uvm module has to be started twice. The >> >>first >> >>>attempt returns: -1 Function not implemented >>>The second attempt works! >>> >> >>Does dmesg say something after the first attempt? > > > No, but why does it work after the second attempt? If only I knew it, I would not ask for more information. It is possible that the > task spawn problem is caused by the uvm module? I have no clue right now. Ok, issue logged. > Ups - there is something: dmesg says RTAI: starting the UVM services > > Thanks > Jan-Peter > -- Philippe. ^ permalink raw reply [flat|nested] 6+ messages in thread
[parent not found: <959.1130313667@domain.hid>]
* Re: [Xenomai-help] Spawn Task from a Task -vxworks-skin [not found] <959.1130313667@domain.hid> @ 2005-10-26 8:09 ` Philippe Gerum 0 siblings, 0 replies; 6+ messages in thread From: Philippe Gerum @ 2005-10-26 8:09 UTC (permalink / raw) To: j.p.schulz; +Cc: xenomai j.p.schulz wrote: > Hello > I have Problems spawning a Task from a Task under the vxworks skin! > If I spawn my Tasks from a Funktion - it works! > If I spawn my Tasks from a Task - system crashes! Make sure to use an Adeos patch >= 1.0-07. v0.9.1 ships with 1.0-02, so you likely want to upgrade and try again. Recent Adeos patches for x86 can be found here: http://download.gna.org/adeos/patches/v2.6/adeos/i386/ > > Here the programm: > > #include <stdlib.h> > #include <stdio.h> > #include <string.h> > #include <signal.h> > #include <ctype.h> > #include <fcntl.h> > #include <sys/io.h> > #include <sys/stat.h> > #include <sys/ioctl.h> > > #include <vxworks/vxworks.h> > > #include "vxChain.h" > #include "portutils.h" > > > #define PRIORITY_LOW 100 > #define PRIORITY_MID 90 > #define PRIORITY_HIGH 80 > > #define USE_FPU (VX_FP_TASK | VX_NO_STACK_FILL) > #define NO_FPU VX_NO_STACK_FILL > #define STACK_SIZE 0x5000 > #define TASK_OPTIONS USE_FPU > > #define NUM_TASKS 8 > #define MAX_TASKS 15 > > SEM_ID semId[MAX_TASKS * 2]; > int taskId[MAX_TASKS]; > int triggerId; > > > int root_thread_init() > { > // Allow port I/O in userspace > iopl(3); > > vxTest(); // Just a function call (works) > // vxSpawn(); // Spawns the function as a task (crashes) > > return 0; > } > > void vxSpawn( void ) > { > taskSpawn ("Master Task", PRIORITY_HIGH, > TASK_OPTIONS, STACK_SIZE, > (FUNCPTR) vxTest, > 0,0,0,0,0,0,0,0,0,0); > } > > void root_thread_exit (void) > { > printf ("root_thread_exit() called.\n"); > } > > void vxTest( void ) > { > int i; > char buf[80]; > > for (i=0; i < NUM_TASKS; i++) > { > semId[2*i] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); > semId[2*i+1] = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY); > } > > for (i=0; i < NUM_TASKS; i++) > { > sprintf(buf, "Task_%d", i); > taskId[i] = > taskSpawn(buf, PRIORITY_LOW, TASK_OPTIONS, STACK_SIZE, > (FUNCPTR) WorkerTask, > i, // Task Nummer > semId[i], // warten auf Semaphor > semId[i+1], // anzutriggerndes Semaphor > 0,0,0,0,0,0,0); > > printf ("task[%d] = 0x%08X, errno = %d\n", i, taskId[i], errnoGet()); > } > > triggerId = taskSpawn ("Trigger task", PRIORITY_MID, > TASK_OPTIONS, STACK_SIZE, > (FUNCPTR) TriggerTask, 0,0,0,0,0,0,0,0,0,0); > printf ("taskTrigger = 0x%08X\n", triggerId); > > taskSuspend(taskIdSelf()); > } > > void TriggerTask( void ) > { > while( 1 ) > { > taskDelay(1); > semGive(semId[0]); > } > } > > FUNCPTR WorkerTask(int i0,int i1,int i2,int i3,int i4,int i5,int i6,int > i7,int i8,int i9) > { > unsigned int task_num = (unsigned int) i0; > int sem_to_wait = i1; > int sem_to_trigger = i2; > > iopl(3); > while (1) > { > semTake(sem_to_wait, WAIT_FOREVER); > if (task_num < 8) > { > lpt_peak_bit (task_num); > } > semGive(sem_to_trigger); > } > return 0; > } > > > > Fusion 0.9.1 > Kernel 2.6.13-ipipe > Suse 9.3 > Any Ideas? > Thanks > Jan-Peter > -- Philippe. ^ permalink raw reply [flat|nested] 6+ messages in thread
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[not found] <2705.1130329910@domain.hid>
2005-10-26 12:59 ` [Xenomai-help] Spawn Task from a Task -vxworks-skin j.p.schulz
2005-10-26 13:54 ` Philippe Gerum
2005-10-26 14:23 ` j.p.schulz
[not found] <10692.1130336592@domain.hid>
2005-10-26 14:31 ` j.p.schulz
2005-10-26 14:36 ` Philippe Gerum
[not found] <959.1130313667@domain.hid>
2005-10-26 8:09 ` Philippe Gerum
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