int main(int argc, char **argv)
{
vme_bus_handle_t handle;
/* Initialize
*/
if (vme_init(&handle)) {
perror("vme_init");
return -1;
}
/* Release the bus
*/
if (vme_release_bus_ownership(handle)) {
perror("vme_release_bus_ownership");
vme_term(handle);
return -1;
}
if (vme_term(handle)) {
perror("vme_term");
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
vme_bus_handle_t bus_handle;
int rval;
if (vme_init(&bus_handle)) {
perror("vme_init");
return -1;
}
/* If there are no arguments, print the current endian conversion
hardware setup, else set the requested values.
*/
if (1 == argc) {
rval = print_status(bus_handle);
} else {
rval = set_status(bus_handle, argc, argv);
}
if (vme_term(bus_handle)) {
perror("vme_term");
rval = -1;
}
return rval;
}
int main()
{
vme_bus_handle_t bus_handle;
vme_vrai_handle_t vrai_handle;
vme_interrupt_handle_t interrupt_handle;
int data;
if (vme_init(&bus_handle)) {
perror("Error initializing the VMEbus");
return -1;
}
if (vme_register_image_create(bus_handle, &vrai_handle, VME_ADDRESS,
ADDRESS_SPACE, 0)) {
perror("Error creating VMEbus register image");
vme_term(bus_handle);
return -1;
}
if (vme_interrupt_attach(bus_handle, &interrupt_handle, LEVEL,
0, VME_INTERRUPT_BLOCKING, &data)) {
perror("Error attaching to the interrupt");
vme_register_image_release(bus_handle, vrai_handle);
vme_term(bus_handle);
return -1;
}
printf("Mailbox interrupt occurred, data is 0x%x\n", data);
if (vme_register_image_release(bus_handle, vrai_handle)) {
perror("Error releasing VMEbus register image");
vme_term(bus_handle);
return -1;
}
if (vme_term(bus_handle)) {
perror("Error terminating");
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
vme_bus_handle_t bus_handle;
vme_master_handle_t handle = NULL;
uint64_t vme_addr;
int am, dw, flags, use_memcpy, c;
void *phys_addr, *buffer, *addr;
size_t nelem, size;
int rval = 0;
/* Set up default values
*/
vme_addr = 0;
am = VME_A32SD;
dw = VME_D8;
flags = VME_CTL_PWEN;
nelem = 1;
phys_addr = NULL;
use_memcpy = 1;
rval = 0;
/* Parse the argument list
*/
while (-1 != (c = getopt(argc, argv, "a:A:d:e:f:p:")))
switch (c) {
case 'a': /* Address modifier */
if (strtoam(optarg, &am)) {
fprintf(stderr, "Invalid address modifier\n");
return -1;
}
break;
case 'A': /* VMEbus address */
vme_addr = strtoul(optarg, NULL, 0);
break;
case 'd': /* VMEbus access data width */
if (strtodw(optarg, &dw)) {
fprintf(stderr, "Invalid access data width\n");
return -1;
}
/* If a specific data width was requested, then don't
use memcpy. */
use_memcpy = 0;
break;
case 'e': /* Number of elements */
nelem = strtoul(optarg, NULL, 0);
break;
case 'f': /* Flags */
if (strtoflags(optarg, &flags)) {
fprintf(stderr, "Invalid flags\n");
return -1;
}
break;
case 'p': /* Physical address */
phys_addr = (void *) strtoul(optarg, NULL, 0);
break;
default:
fprintf(stderr,
"USAGE: vme_peek [-a addr_mod] [-A vme_addr]"
"[-d dwidth][-e num_elem][-f flags]"
"[-p phys_addr]");
return -1;
}
/* Use number of elements and data width to calculate the size.
*/
size = nelem * dw;
/* Initialize
*/
if (vme_init(&bus_handle)) {
perror("vme_init");
return -1;
}
DPRINTF("vme_addr=0x%lx\n", (unsigned long) vme_addr);
DPRINTF("am=0x%x\n", am);
DPRINTF("dw=0x%x\n", dw);
DPRINTF("size=0x%x\n", size);
DPRINTF("flags=0x%x\n", flags);
DPRINTF("phys_addr=0x%lx\n", (unsigned long) phys_addr);
/* Create a handle to the necessary window
*/
if (vme_master_window_create(bus_handle, &handle, vme_addr, am,
size, flags, phys_addr)) {
perror("vme_master_window_create");
rval = -1;
goto error_create;
}
/* This is not necessary, I just put this function here to test it and
demonstrate it's use.
*/
phys_addr = vme_master_window_phys_addr(bus_handle, handle);
if (NULL == phys_addr) {
perror("vme_master_window_phys_addr");
}
DPRINTF("Window physical address = 0x%lx\n", (unsigned long) phys_addr);
/* Map in the window
*/
addr = vme_master_window_map(bus_handle, handle, 0);
if (NULL == addr) {
perror("vme_master_window_map");
rval = -1;
goto error_map;
}
/* Create a temporary buffer to copy data into before printing it so
performance measurements won't account for local I/O.
*/
buffer = malloc(size);
if (NULL == buffer) {
perror("malloc");
rval = -1;
goto error_malloc;
}
/* Do the transfer. If data width was not given at the command line,
then use memcpy for fast transfers. Note that this may cause the
output to be byte-swapped.
*/
if (use_memcpy) {
memcpy(buffer, addr, size);
} else {
if (vmemcpy(buffer, addr, nelem, dw)) {
perror("vmemcpy");
rval = -1;
goto error_transfer;
}
}
/* Print data to stdout.
*/
if (vdump(buffer, nelem, dw)) {
perror("vdump");
rval = -1;
goto error_transfer;
}
error_transfer:
free(buffer);
error_malloc:
if (vme_master_window_unmap(bus_handle, handle)) {
perror("vme_master_window_unmap");
rval = -1;
}
error_map:
if (vme_master_window_release(bus_handle, handle)) {
perror("vme_master_window_release");
rval = -1;
}
error_create:
if (vme_term(bus_handle)) {
perror("vme_term");
return -1;
}
return rval;
}
main()
{
key_t skey=SEMAPHORE_KEY;
int nsems=NSEM;
int nsops=NSEM;
int semid;
int semno;
int semval;
int reply;
union semun {
int val;
struct semid_ds *buf;
ushort *array;
} arg;
struct sembuf sops[NSEM];
int shmid1, shmid2;
struct shmid_ds *mbuf;
struct shminfo *inf;
int shmemsize=BUFFER_LENGTH;
int *shm1ptr, *shm2ptr;
key_t bkey=SHAREDMEM_KEY;
key_t mkey=MESSAGE_KEY;
int i, j, c;
pid_t mypid;
pid_t *pid;
FILE *fp, *strm;
int fd;
int exades; /* File descriptor for Exabyte */
int opendes; /* File descripter of opened file */
int new_des_min = 10; /* Offset for new file descriptor ? */
int write_data = 0; /* Write raw data to tape or not */
ssize_t bytes_written;
off_t offset=0;
int nbytes;
int bufs=BUFFER_LENGTH;
int chan; /* VME bit3 link device channel */
int *bufp; /* Pointer to databuffer in shared memory */
int *messp; /* Pointer to message_box in shared memory*/
int *buf1p, *buf2p, *buf3p, *buf4p;
long message_length = 40; /* VME Message_Box is 10 Words long */
long *mess_p; /* Pointer to Message_Box */
long movebytes; /* Length (bytes) of movebuffer from RTPC */
long Message_Box[10]; /* Vector to hold Message_Box */
u_long moveaddress; /* Data buffer address in VME */
long *sem1ptr; /* Pointer to VME "semaphore" 1 */
long *sem2ptr; /* Pointer to VME "semaphore" 2 */
long *sem3ptr; /* Pointer to VME "semaphore" 3 */
long *sem4ptr; /* Pointer to VME "semaphore" 4 */
long sem1val, sem2val, sem3val, sem4val;
long *engstatptr;
long engstatval;
long semph1, semph2, semph3, semph4, suns, stbox;
int record_count = 0;
int *sortp; /* Pointer to message_box(0) - sort flag */
int *engp; /* Pointer to message_box(1) - engine flag */
int *stgp; /* Pointer to message_box(2) - storage */
int *vmesp; /* Pointer to message_box(3) - VME status */
int *recp; /* Pointer to message_box(5) - record count*/
int sort_off = 0; /* Offset for pointer to message_box(0) */
int engine_off = 1; /* Offset for pointer to message_box(1) */
int stgflag_off = 2; /* Offset for pointer to message_box(2) */
int vmes_off = 3; /* Offset for pointer to message_box(3) */
int reccount_off = 5; /* Offset for pointer to message_box(5) */
int part_offset = 8192; /* Pointer off in databuffer part */
char err1[1024] = "ERROR: ENGINE: Cannot start acq_engine, lock file present ";
char err2[1024] = "ERROR: ENGINE: Get semaphore identifier failed ";
char err3[1024] = "ERROR: ENGINE: Initialise VME front-end system failed ";
char err4[1024] = "ERROR: ENGINE: Shared data buffer memory allocation failed";
char err5[1024] = "ERROR: ENGINE: Attach shared data buffer to process failed";
char err6[1024] = "ERROR: ENGINE: Shared message_box memory allocation failed";
char err7[1024] = "ERROR: ENGINE: Attach shared message_box to process failed";
char err8[1024] = "ERROR: ENGINE: Could not position to status location ";
char err9[1024] = "ERROR: ENGINE: Could not set RUNNING status ";
char err10[1024]= "ERROR: ENGINE: Could not position to VMEbus message_box ";
char err11[1024]= "ERROR: ENGINE: Could not read data from VMEbus message_box";
char err12[1024]= "ERROR: ENGINE: lseek failed ";
char err13[1024]= "ERROR: ENGINE: Error getting VME sempahore ";
char err14[1024]= "ERROR: ENGINE: Error reading VME databuffer 1 ";
char err15[1024]= "ERROR: ENGINE: Error resetting VME sempahore ";
char err16[1024]= "ERROR: ENGINE: Set Sort Semaphore to Zero Failed ";
char err17[1024]= "ERROR: ENGINE: Writing databuffer to tape failed ";
char err18[1024]= "ERROR: ENGINE: Could not position to VME status location ";
char err19[1024]= "ERROR: ENGINE: Could not set STOPPED status ";
char err20[1024]= "ERROR: ENGINE: Could not detach databuffer shared memory ";
char err21[1024]= "ERROR: ENGINE: Could not detach message_box shared memory ";
char err22[1024]= "ERROR: ENGINE: Could not remove lock-file ";
char err23[1024]= "ERROR: ENGINE: Cannot open SBS device driver ";
char err24[1024]= "ERROR: ENGINE: Cannot generate file name ";
char err25[1024]= "ERROR: ENGINE: Unknown MESSAGE_ADDRESS in buffer_defs.h ";
char err26[1024]= "ERROR: ENGINE: Error reading VME databuffer 2 ";
arg.buf = (void *) malloc (100);
mess_p = &Message_Box[0];
sem1ptr = &sem1val;
sem2ptr = &sem2val;
sem3ptr = &sem3val;
sem4ptr = &sem4val;
engstatptr = &engstatval;
/* Check if the engine lock-file is present, create if not. This is */
/* a security precaution, multiple engine process causes system crash*/
if(fd=open("/Applications/sirius/system/engine.lock",O_CREAT|O_EXCL,PERMS)==-1 )
{
printf("%s\n",err1);
exit(errno);
}
/* Get semaphore identifier */
semid = semget(skey, nsems, PERMS );
if (semid == -1) {
printf("%s\n",err2);
exit(errno);
}
/* Initialize VME front-end system link */
chan = vme_init();
if (chan == -1) {
printf("%s\n",err3);
exit(errno);
}
/* Attach shared data buffer segment to process */
shmid1 = shmget(bkey, shmemsize, PERMS);
if (shmid1 == -1) {
printf("%s\n",err4);
exit(errno);
}
shm1ptr = shmat(shmid1, NULL, 0);
if (*shm1ptr == -1) {
printf("%s\n",err5);
exit(errno);
}
/* Attach shared message_box segment to process */
shmemsize = 80;
shmid2 = shmget(mkey, shmemsize, PERMS);
if (shmid2 == -1) {
printf("%s\n",err6);
exit(errno);
}
shm2ptr = shmat(shmid2, NULL, 0);
if (*shm2ptr == -1) {
printf("%s\n",err7);
exit(errno);
}
/* Take a copy of the pointers to shared memory segments */
bufp = shm1ptr; /* Points to databuffer in shared memory */
messp = shm2ptr; /* Points to message_box n shared memory */
/* Pointers used in write to Exabyte, buffer is divided into 4 */
buf1p = shm1ptr; /* Points to part 1 of databuffer */
buf2p = shm1ptr + part_offset; /* Points to part 2 of databuffer */
buf3p = shm1ptr + part_offset*2; /* Points to part 3 of databuffer */
buf4p = shm1ptr + part_offset*3; /* Points to part 4 of databuffer */
/* Initialize pointers to message_box variables */
sortp = messp + sort_off;
recp = messp + reccount_off;
stgp = messp + stgflag_off;
engp = messp + engine_off;
vmesp = messp + vmes_off;
/* Clear data buffer segment */
for (i = 0; i < 32768; i++) {
*(bufp+i) = 0;
}
bufp = shm1ptr; /* Restore pointer */
/* Signal to VME front-end system that the acquisition is running */
/* This is done by setting the VME Message_Box(x) to '1' */
if (lseek(chan, ENGSTATUS, SEEK_SET) == -1) {
printf("%s\n",err8);
exit(errno);
}
engstatval = 1;
if (write(chan, engstatptr, 4) != 4) {
printf("%s\n",err9);
exit(errno);
}
/* Get the VMEbus Message_box to get eventbuffer address in VME A24*/
if (lseek(chan, MESSAGE_ADDRESS, SEEK_SET) == -1) {
printf("%s\n",err10);
exit(errno);
}
if (read(chan, mess_p, message_length) != message_length) {
printf("%s\n",err11);
exit(errno);
}
if ( Message_Box[6] == 1) {
*vmesp = 1; /* VME system is in running state */
}else {
*vmesp = 0;
}
movebytes = BUFFER_LENGTH/4; /*Bufferlength is in bytes*/
moveaddress = Message_Box[0];
/* Write status to file /help/status.tmp */
strm = fopen("/Applications/sirius/help/vmestatus.tmp","w");
if ( Message_Box[6] == 1 ) {
fprintf(strm," VME system status\t\t: RUNNING\n");
}
else if ( Message_Box[6] == 0 ) {
fprintf(strm," VME system status\t\t: STOPPED\n");
}else {
fprintf(strm," VME system status\t\t: UNKNOWN ?\n");
}
fprintf(strm, " Buffer address\t\t: %x (hex) \n", moveaddress);
fprintf(strm, " Buffer length\t\t: %x (hex) \n\n", Message_Box[1]);
fclose( strm );
/* Take a copy of the file descriptor for storage unit if used */
if ( *stgp > 0 ) {
opendes = *stgp;
exades = fcntl( opendes, F_DUPFD, new_des_min );
write_data = 1;
if ( exades == -1) {
perror("\n ERROR: Could not copy file descriptor \n");
write_data = 0;
}
}
semph1 = Message_Box[2]&0x00000001; /*Test on the last 4 bits*/
semph2 = Message_Box[3]&0x00000001;
semph1 = Message_Box[4]&0x00000001; /*Test on the last 4 bits*/
semph2 = Message_Box[5]&0x00000001;
suns = Message_Box[7]&0x00000001;
stbox = MESSAGE_ADDRESS;
printf("\n Engine4.0 parameters:");
printf("\n Devicenumber for messagebox and buffers: %d",chan);
printf("\n VME message box starts at : 0x%x",stbox);
printf("\n Buffer starts at : 0x%x",moveaddress);
printf("\n Start of buffer address (messagebox 0) : 0x%x",Message_Box[0]);
printf("\n Buffer length (words) (messagebox 1) : %d",Message_Box[1]);
printf("\n Semaphore 1 (messagebox 2) : %d",semph1);
printf("\n Semaphore 2 (messagebox 3) : %d",semph2);
printf("\n Semaphore 3 (messagebox 4) : %d",semph3);
printf("\n Semaphore 4 (messagebox 5) : %d",semph4);
printf("\n VME-CPU ready or not (messagebox 6) : %d",Message_Box[6]);
printf("\n SUN-CPU ready or not (messagebox 7) : %d",suns);
printf("\n Not used (messagebox 8) : %d",Message_Box[8]);
printf("\n Not used (messagebox 9) : %d\n",Message_Box[9]);
for(;;) { /*MAIN DATA ACQUISITION LOOP*/
if ( *engp == 9 ) goto exitengine; /*STOP COMMAND FROM MASTER */
/***********************************************************************/
/* B U F F E R */
/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
/* New from version 4.0 and higher: Since A32 slave DRAM gives crash */
/* after typically 2 - 5 hours, we use A24 SRAM. However, this space */
/* is only 128 kbytes. Thus, we cannot use the two-buffer technique */
/* from versions 2.0 - 3.0 (originally designed by Tore Ramsoey). We */
/* have to segment 1 eventbuffer (32 kwords) into 4 movebuffers, */
/* each 32 kbytes. Tests show that this is almost as fast as before, */
/* and no more crashes of the eventbuilder+ program of RTPC!!! */
/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
/*1.0 Check if movebuffer is ready */
/* Loop on VME "semaphore" #1 until it becomes 1 (FULL) */
/* The call to usleep suspends the process 10 ms */
for (;;) {
if (lseek(chan, SEM_1, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, sem1ptr, 4) != 4) {
printf("%s\n",err13);
exit(errno);
}
if (sem1val == 1 ) break; /*OK, buffer is FULL*/
if (*engp == 9) goto exitengine;
usleep(WAIT10MS);
}
/*1.1 Signal the sorting task to disrupt sorting */
/* This is done by setting message_box(0) to '3' */
*sortp = 3;
/*1.2 Fetch movebuffer #1 from the VMEbus system */
if (lseek(chan, moveaddress, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, bufp, movebytes) != movebytes) {
printf("%s\n",err14);
exit(errno);
}
/*1.3 Reset VMEbus semaphore # 1 to empty */
if (lseek(chan, SEM_1, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
sem1val = 0;
if (write(chan, sem1ptr, 4) != 4) {
printf("%s\n",err15);
exit(errno);
}
/***********************************************************************/
/*2.0 Check if next movebuffer is ready */
/* Loop on VME "semaphore" #2 until it becomes 1 (FULL) */
for (;;) {
if (lseek(chan, SEM_2, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, sem2ptr, 4) != 4) {
printf("%s\n",err13);
exit(errno);
}
if (sem2val == 1) break; /*OK, buffer is FULL*/
if (*engp == 9) goto exitengine;
}
/*2.2 Fetch movebuffer #2 from the VMEbus system */
if (lseek(chan, moveaddress, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, bufp + 0x2000, movebytes) != movebytes) {
printf("%s\n",err26);
exit(errno);
}
/*2.3 Reset VMEbus semaphore # 2 to empty */
if (lseek(chan, SEM_2, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
sem2val = 0;
if (write(chan, sem2ptr, 4) != 4) {
printf("%s\n",err15);
exit(errno);
}
/***********************************************************************/
/*3.0 Check if next movebuffer is ready */
/* Loop on VME "semaphore" #3 until it becomes 1 (FULL) */
for (;;) {
if (lseek(chan, SEM_3, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, sem3ptr, 4) != 4) {
printf("%s\n",err13);
exit(errno);
}
if (sem3val == 1) break; /*OK, buffer is FULL*/
if (*engp == 9) goto exitengine;
}
/*3.2 Fetch movebuffer #3 from the VMEbus system */
if (lseek(chan, moveaddress, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, bufp + 0x4000, movebytes) != movebytes) {
printf("%s\n",err26);
exit(errno);
}
/*3.3 Reset VMEbus semaphore # 3 to empty */
if (lseek(chan, SEM_3, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
sem3val = 0;
if (write(chan, sem3ptr, 4) != 4) {
printf("%s\n",err15);
exit(errno);
}
/***********************************************************************/
/*4.0 Check if next movebuffer is ready */
/* Loop on VME "semaphore" #4 until it becomes 1 (FULL) */
for (;;) {
if (lseek(chan, SEM_4, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, sem4ptr, 4) != 4) {
printf("%s\n",err13);
exit(errno);
}
if (sem4val == 1) break; /*OK, buffer is FULL*/
if (*engp == 9) goto exitengine;
}
/*4.2 Fetch movebuffer #4 from the VMEbus system */
if (lseek(chan, moveaddress, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
if (read(chan, bufp + 0x6000, movebytes) != movebytes) {
printf("%s\n",err26);
exit(errno);
}
/*4.3 Reset VMEbus semaphore # 4 to empty */
if (lseek(chan, SEM_4, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
sem4val = 0;
if (write(chan, sem4ptr, 4) != 4) {
printf("%s\n",err15);
exit(errno);
}
/* testing, magne
for (i = 0; i < 32768; i++) {
if(*(bufp+i) < 40000 ){
printf(" no %d buffer read = %d \n",i, *(bufp+i) );}
}
exit(0);
*/
/***********************************************************************/
/*5.0 Activate sorting task */
/* This is done by setting the sort semaphore to 0 */
*sortp = 0; /*Remove disrupt flag*/
semno = 0;
arg.val = 0;
if ( semctl(semid, semno, SETVAL, arg) == -1) {
printf("%s\n",err16);
exit(errno);
}
/*6.0 Start dump of total eventbuffer to exabyte tape */
/* Buffer is segmented into 4 records, each 32 kbytes long */
if ( write_data == 1 ) {
bytes_written = write(exades, buf1p, RECORD_LENGTH);
bytes_written = write(exades, buf2p, RECORD_LENGTH);
bytes_written = write(exades, buf3p, RECORD_LENGTH);
bytes_written = write(exades, buf4p, RECORD_LENGTH);
if (bytes_written != RECORD_LENGTH) {
printf("%s\n",err17);
}
}
/*7.0 Update record count message_box(9) variable */
*recp = *recp + 1;
} /*END OF MAIN DATA ACQUISITION LOOP*/
exitengine:
/* Signal to VME front-end system that the acquisition is stopped */
/* This is done by setting the VME Message_Box(x) to '0' */
if (lseek(chan, ENGSTATUS, SEEK_SET) == -1) {
printf("%s\n",err18);
exit(errno);
}
engstatval = 0;
if (write(chan, engstatptr, 4) != 4) {
printf("%s\n",err19);
exit(errno);
}
/* Detach shared memory */
if ( shmdt( shm1ptr ) == -1) {
printf("%s\n",err20);
}
if ( shmdt( shm2ptr ) == -1) {
printf("%s\n",err21);
}
/* Remove the lock file */
if ( system("rm -f /Applications/sirius/system/engine.lock") == -1) {
printf("%s\n",err22);
exit(errno);
}
exit(0);
}
int main()
{
vme_bus_handle_t bus_handle;
vme_slave_handle_t window_handle;
#ifdef EIGHTBIT
uint8_t *ptr;
#else
uint32_t *ptr;
uint32_t count;
#endif
int ii;
int c;
if (vme_init(&bus_handle)) {
perror("Error initializing the VMEbus");
return -1;
}
if (vme_slave_window_create(bus_handle, &window_handle,
#ifdef EIGHTBIT
VME_ADDRESS, ADDRESS_SPACE, NBYTES,
#else
VME_ADDRESS, ADDRESS_SPACE, NBYTES*4,
#endif
VME_CTL_PWEN | VME_CTL_PREN,
NULL)) {
/* (void *)(2044*MB))) {*/
perror("Error creating the window");
vme_term(bus_handle);
return -1;
}
ptr = vme_slave_window_map(bus_handle, window_handle, 0);
if (!ptr) {
perror("Error mapping the window");
vme_slave_window_release(bus_handle, window_handle);
vme_term(bus_handle);
return -1;
}
count=0x12345678;
/* Print the data */
for (ii = 0; ii < NBYTES; ++ii, ++ptr) {
*ptr=count;
count+=4;
#ifdef EIGHTBIT
printf("%.2x ", *ptr);
#else
printf("%x ", *ptr);
#endif
/* Add a newline every 16 bytes */
if (!((ii + 1) % 0x10))
printf("\n");
}
printf("\n");
printf ("Press <enter> to unmap window\n");
c = getchar();
printf("unmapping the window\n");
if (vme_slave_window_unmap(bus_handle, window_handle)) {
perror("Error unmapping the window");
vme_slave_window_release(bus_handle, window_handle);
vme_term(bus_handle);
return -1;
}
printf("releasing the window\n");
if (vme_slave_window_release(bus_handle, window_handle)) {
perror("Error releasing the window");
vme_term(bus_handle);
return -1;
}
printf("terminating the window\n");
if (vme_term(bus_handle)) {
perror("Error terminating");
return -1;
}
return 0;
}
int
main(int argc, char **argv)
{
char *rw = 0;
int addr = 0;
int iarg = 0;
int slot=0;
if (++iarg>=argc) goto usage;
rw = argv[iarg];
if (++iarg>=argc) goto usage;
sscanf(argv[iarg], "%d", &slot);
if (++iarg>=argc) goto usage;
sscanf(argv[iarg], "%x", &addr);
addr=slot*(0x8000000) + addr;
if (!strcmp(rw, "read")) {
if (++iarg!=argc) goto usage;
vme_bus_handle_t bus_handle;
vme_master_handle_t window_handle;
uint32_t *ptr;
if (vme_init(&bus_handle)) {
perror("Error initializing the VMEbus");
return -1;
}
if (vme_master_window_create(bus_handle, &window_handle,
addr, ADDRESS_MODIFIER, NBYTES,
VME_CTL_PWEN, NULL)) {
perror("Error creating the window");
vme_term(bus_handle);
return -1;
}
ptr = vme_master_window_map(bus_handle, window_handle, 0);
if (!ptr) {
perror("Error mapping the window");
vme_master_window_release(bus_handle, window_handle);
vme_term(bus_handle);
return -1;
}
printf("%08x\n ", *ptr);
if (vme_master_window_unmap(bus_handle, window_handle)) {
perror("Error unmapping the window");
vme_master_window_release(bus_handle, window_handle);
vme_term(bus_handle);
return -1;
}
if (vme_master_window_release(bus_handle, window_handle)) {
perror("Error releasing the window");
vme_term(bus_handle);
return -1;
}
if (vme_term(bus_handle)) {
perror("Error terminating");
return -1;
}
}
else if (!strcmp(rw, "write")) {
int value=0;
if (++iarg>=argc) goto usage;
sscanf(argv[iarg], "%x", &value);
if (++iarg!=argc) goto usage;
vme_bus_handle_t bus_handle;
vme_master_handle_t window_handle;
uint32_t *ptr;
if (vme_init(&bus_handle)) {
perror("Error initializing the VMEbus");
return -1;
}
if (vme_master_window_create(bus_handle, &window_handle,
addr, ADDRESS_MODIFIER, NBYTES,
VME_CTL_PWEN, NULL)) {
perror("Error creating the window");
vme_term(bus_handle);
return -1;
}
ptr = vme_master_window_map(bus_handle, window_handle, 0);
if (!ptr) {
perror("Error mapping the window");
vme_master_window_release(bus_handle, window_handle);
vme_term(bus_handle);
return -1;
}
*ptr=value;
if (vme_master_window_unmap(bus_handle, window_handle)) {
perror("Error unmapping the window");
vme_master_window_release(bus_handle, window_handle);
vme_term(bus_handle);
return -1;
}
if (vme_master_window_release(bus_handle, window_handle)) {
perror("Error releasing the window");
vme_term(bus_handle);
return -1;
}
if (vme_term(bus_handle)) {
perror("Error terminating");
return -1;
}
}
else {
goto usage;
}
return 0;
usage:
fprintf(stderr, "Usage: %s read <slot number> <addr> \n", argv[0]);
fprintf(stderr, " %s write <slot number> <addr> <value>\n", argv[0]);
fprintf(stderr, "where slot is dec, addr and value are hex\n");
return -1;
}
int main(int argc, char **argv)
{
vme_bus_handle_t bus_handle;
vme_slave_handle_t handle;
uint64_t vme_addr;
int as, dw, flags, use_memcpy, c, rval;
void *phys_addr, *buffer, *addr;
size_t nelem, size;
FILE *datafile;
/* Set up default values
*/
vme_addr = 0;
as = VME_A32;
dw = VME_D8;
flags = VME_CTL_PWEN | VME_CTL_PREN;
nelem = 1;
phys_addr = NULL;
use_memcpy = 1;
datafile = stdin;
rval = 0;
/* Parse the argument list
*/
while (-1 != (c = getopt(argc, argv, "a:A:d:f:F:p:")))
switch (c) {
case 'a': /* Address modifier */
if (strtoas(optarg, &as)) {
fprintf(stderr, "Invalid address space\n");
return -1;
}
break;
case 'A': /* VMEbus address */
vme_addr = strtoul(optarg, NULL, 0);
break;
case 'd': /* VMEbus access data width */
if (strtodw(optarg, &dw)) {
fprintf(stderr, "Invalid access data width\n");
return -1;
}
/* If a specific data width was requested, then don't
use memcpy. */
use_memcpy = 0;
break;
case 'f': /* Flags */
if (strtoflags(optarg, &flags)) {
fprintf(stderr, "Invalid flags\n");
return -1;
}
break;
case 'F': /* Get data from a file */
if (NULL == (datafile = fopen(optarg, "r"))) {
perror("fopen");
return -1;
}
break;
case 'p': /* Physical address */
phys_addr = (void *) strtoul(optarg, NULL, 0);
break;
default:
fprintf(stderr, "USAGE: vme_slave_poke [-a addr_mod]"
"[-A vme_addr][-d dwidth][-f flags][-F file]"
"[-p phys_addr][hexdata...]");
return -1;
}
/* Get the data to be transfered
*/
if (argc > optind) { /* Get argument from the command line */
nelem = argc - optind;
if (vconvert_hexargs(&buffer, nelem, dw, argv + optind)) {
return -1;
}
} else { /* Read data from file or stdin */
nelem = vconvert_hexvals(&buffer, dw, datafile);
if (0 == nelem) {
fprintf(stderr, "No data to transfer\n");
return -1;
}
}
/* Use number of elements and data width to calculate the size.
*/
size = nelem * dw;
/* Initialize
*/
if (vme_init(&bus_handle)) {
perror("vme_init");
rval = -1;
goto error_init;
}
DPRINTF("vme_addr=0x%lx\n", (unsigned long) vme_addr);
DPRINTF("as=0x%x\n", as);
DPRINTF("dw=0x%x\n", dw);
DPRINTF("size=0x%x\n", size);
DPRINTF("flags=0x%x\n", flags);
DPRINTF("phys_addr=0x%lx\n", (unsigned long) phys_addr);
/* Create a handle to the necessary window
*/
if (vme_slave_window_create(bus_handle, &handle, vme_addr, as, size,
flags, phys_addr)) {
perror("vme_slave_window_create");
rval = -1;
goto error_create;
}
/* This is not necessary, I just put this function here to test it and
demonstrate it's use.
*/
phys_addr = vme_slave_window_phys_addr(bus_handle, handle);
if (NULL == phys_addr) {
perror("vme_slave_window_phys_addr");
}
DPRINTF("Window physical address = 0x%lx\n", (unsigned long) phys_addr);
/* Map in the window
*/
addr = vme_slave_window_map(bus_handle, handle, 0);
if (NULL == addr) {
perror("vme_slave_window_map");
rval = -1;
goto error_map;
}
/* If no data width is specified, the use memcpy to transfer the data.
This may result in byte-swapping though.
*/
if (use_memcpy) {
memcpy(addr, buffer, size);
} else {
if (vmemcpy(addr, buffer, nelem, dw)) {
perror("vmemcpy");
rval = -1;
}
}
if (vme_slave_window_unmap(bus_handle, handle)) {
perror("vme_slave_window_unmap");
rval = -1;
}
error_map:
if (vme_slave_window_release(bus_handle, handle)) {
perror("vme_slave_window_release");
rval = -1;
}
error_create:
if (vme_term(bus_handle)) {
perror("vme_term");
rval = -1;
}
error_init:
free(buffer);
return rval;
}
int main()
{
vme_bus_handle_t bus_handle;
vme_dma_handle_t dma_handle;
uint8_t *ptr;
int ii;
if (vme_init(&bus_handle)) {
perror("Error initializing the VMEbus");
return -1;
}
if (vme_dma_buffer_create(bus_handle, &dma_handle, NBYTES, 0, NULL)) {
perror("Error creating the buffer");
vme_term(bus_handle);
return -1;
}
ptr = vme_dma_buffer_map(bus_handle, dma_handle, 0);
if (!ptr) {
perror("Error mapping the buffer");
vme_dma_buffer_release(bus_handle, dma_handle);
vme_term(bus_handle);
return -1;
}
/* Transfer the data */
if (vme_dma_read(bus_handle, dma_handle, 0, VME_ADDRESS,
ADDRESS_MODIFIER, NBYTES, 0)) {
perror("Error reading data");
vme_dma_buffer_unmap(bus_handle, dma_handle);
vme_dma_buffer_release(bus_handle, dma_handle);
vme_term(bus_handle);
return -1;
}
/* Print the VMEbus data */
for (ii = 0; ii < NBYTES; ++ii, ++ptr) {
printf("%.2x ", *ptr);
/* Add a newline every 16 bytes */
if (!((ii + 1) % 0x10))
printf("\n");
}
printf("\n");
if (vme_dma_buffer_unmap(bus_handle, dma_handle)) {
perror("Error unmapping the buffer");
vme_dma_buffer_release(bus_handle, dma_handle);
vme_term(bus_handle);
return -1;
}
if (vme_dma_buffer_release(bus_handle, dma_handle)) {
perror("Error releasing the buffer");
vme_term(bus_handle);
return -1;
}
if (vme_term(bus_handle)) {
perror("Error terminating");
return -1;
}
return 0;
}
main()
{
char *cpbuf; /* These 7 lines for RTPC A32 memory */
char *device = BT_DEVNAME;
char *bt_devname();
bt_status_t status_flags;
int chanbuf;
int unit = 0;
int typebuf = BT_AXSRR;
key_t skey=SEMAPHORE_KEY;
int nsems=NSEM;
int nsops=NSEM;
int semid;
int semno;
int semval;
int reply;
union semun {
int val;
struct semid_ds *buf;
ushort *array;
} arg;
struct sembuf sops[NSEM];
int shmid1, shmid2;
struct shmid_ds *mbuf;
struct shminfo *inf;
int shmemsize=BUFFER_LENGTH;
int *shm1ptr, *shm2ptr;
key_t bkey=SHAREDMEM_KEY;
key_t mkey=MESSAGE_KEY;
int i, j, c;
pid_t mypid;
pid_t *pid;
FILE *fp, *strm;
int fd;
int exades; /* File descriptor for Exabyte */
int opendes; /* File descripter of opened file */
int new_des_min = 10; /* Offset for new file descriptor ? */
int write_data = 0; /* Write raw data to tape or not */
ssize_t bytes_written;
off_t offset=0;
int nbytes;
int bufs=BUFFER_LENGTH;
int chan; /* VME bit3 link device channel */
int *bufp; /* Pointer to databuffer in shared memory */
int *messp; /* Pointer to message_box in shared memory*/
int *buf1p, *buf2p, *buf3p, *buf4p;
long message_length = 40; /* VME Message_Box is 10 Words long */
long *mess_p; /* Pointer to Message_Box */
long Message_Box[10]; /* Vector to hold Message_Box */
u_long buffer1_address; /* Data buffer 1 address (variable) */
u_long buffer2_address; /* Data buffer 2 address (variable) */
long *sem1ptr; /* Pointer to VME "semaphore" 1 */
long *sem2ptr; /* Pointer to VME "semaphore" 2 */
long sem1val, sem2val;
long *engstatptr;
long engstatval;
long semph1, semph2, suns, stbox;
int record_count=0;
int *sortp; /* Pointer to message_box(0) - sort flag */
int *engp; /* Pointer to message_box(1) - engine flag */
int *stgp; /* Pointer to message_box(2) - storage */
int *vmesp; /* Pointer to message_box(3) - VME status */
int *recp; /* Pointer to message_box(5) - record count*/
int sort_off = 0; /* Offset for pointer to message_box(0) */
int engine_off = 1; /* Offset for pointer to message_box(1) */
int stgflag_off = 2; /* Offset for pointer to message_box(2) */
int vmes_off = 3; /* Offset for pointer to message_box(3) */
int reccount_off = 5; /* Offset for pointer to message_box(5) */
int part_offset = 8192; /* Pointer off in databuffer part */
char err1[1024] = "ERROR: ENGINE: Cannot start acq_engine, lock file present ";
char err2[1024] = "ERROR: ENGINE: Get semaphore identifier failed ";
char err3[1024] = "ERROR: ENGINE: Initialise VME front-end system failed ";
char err4[1024] = "ERROR: ENGINE: Shared data buffer memory allocation failed";
char err5[1024] = "ERROR: ENGINE: Attach shared data buffer to process failed";
char err6[1024] = "ERROR: ENGINE: Shared message_box memory allocation failed";
char err7[1024] = "ERROR: ENGINE: Attach shared message_box to process failed";
char err8[1024] = "ERROR: ENGINE: Could not position to status location ";
char err9[1024] = "ERROR: ENGINE: Could not set RUNNING status ";
char err10[1024]= "ERROR: ENGINE: Could not position to VMEbus message_box ";
char err11[1024]= "ERROR: ENGINE: Could not read data from VMEbus message_box";
char err12[1024]= "ERROR: ENGINE: lseek failed ";
char err13[1024]= "ERROR: ENGINE: Error getting VME sempahore ";
char err14[1024]= "ERROR: ENGINE: Error reading VME databuffer 1 ";
char err15[1024]= "ERROR: ENGINE: Error resetting VME sempahore ";
char err16[1024]= "ERROR: ENGINE: Set Sort Semaphore to Zero Failed ";
char err17[1024]= "ERROR: ENGINE: Writing databuffer to tape failed ";
char err18[1024]= "ERROR: ENGINE: Could not position to VME status location ";
char err19[1024]= "ERROR: ENGINE: Could not set STOPPED status ";
char err20[1024]= "ERROR: ENGINE: Could not detach databuffer shared memory ";
char err21[1024]= "ERROR: ENGINE: Could not detach message_box shared memory ";
char err22[1024]= "ERROR: ENGINE: Could not remove lock-file ";
char err23[1024]= "ERROR: ENGINE: Cannot open bit3 device driver ";
char err24[1024]= "ERROR: ENGINE: Cannot generate file name ";
char err25[1024]= "ERROR: ENGINE: Unknown MESSAGE_ADDRESS in buffer_defs.h ";
char err26[1024]= "ERROR: ENGINE: Error reading VME databuffer 2 ";
arg.buf = (void *) malloc (100);
mess_p = &Message_Box[0];
sem1ptr = &sem1val;
sem2ptr = &sem2val;
engstatptr = &engstatval;
/* Check if the engine lock-file is present, create if not */
/* This is a security precaution, multiple engine process causes system crash*/
if(fd=open("/usr/local/sirius+/system/engine.lock",O_CREAT|O_EXCL,PERMS)==-1 )
{
printf("%s\n",err1);
exit(errno);
}
/* Get semaphore identifier */
semid = semget(skey, nsems, PERMS );
if (semid == -1) {
printf("%s\n",err2);
exit(errno);
}
/* Initialize VME front-end system link */
chan = vme_init();
if (chan == -1) {
printf("%s\n",err3);
exit(errno);
}
/* Attach shared data buffer segment to process */
shmid1 = shmget(bkey, shmemsize, PERMS);
if (shmid1 == -1) {
printf("%s\n",err4);
exit(errno);
}
shm1ptr = shmat(shmid1, NULL, 0);
if (*shm1ptr == -1) {
printf("%s\n",err5);
exit(errno);
}
/* Attach shared message_box segment to process */
shmemsize = 80;
shmid2 = shmget(mkey, shmemsize, PERMS);
if (shmid2 == -1) {
printf("%s\n",err6);
exit(errno);
}
shm2ptr = shmat(shmid2, NULL, 0);
if (*shm2ptr == -1) {
printf("%s\n",err7);
exit(errno);
}
/* Take a copy of the pointers to shared memory segments */
bufp = shm1ptr; /* Points to databuffer in shared memory */
messp = shm2ptr; /* Points to message_box n shared memory */
/* Pointers used in write to Exabyte, buffer is divided into 4 */
buf1p = shm1ptr; /* Points to part 1 of databuffer */
buf2p = shm1ptr + part_offset; /* Points to part 2 of databuffer */
buf3p = shm1ptr + part_offset*2; /* Points to part 3 of databuffer */
buf4p = shm1ptr + part_offset*3; /* Points to part 4 of databuffer */
/* Initialize pointers to message_box variables */
sortp = messp + sort_off;
recp = messp + reccount_off;
stgp = messp + stgflag_off;
engp = messp + engine_off;
vmesp = messp + vmes_off;
/* Clear data buffer segment */
for (j = 0; j < 32768; j++) {
*(bufp+j) = 0;
/* bufp++; endret av Magne, ellers overflow? */
}
bufp = shm1ptr; /* Restore pointer */
/* Signal to VME front-end system that the acquisition is running */
/* This is done by setting the VME Message_Box(x) to '1' */
if (lseek(chan, ENGSTATUS, SEEK_SET) == -1) {
printf("%s\n",err8);
exit(errno);
}
engstatval = 1;
if (write(chan, engstatptr, 4) != 4) {
printf("%s\n",err9);
exit(errno);
}
/* Get the VMEbus Message_box, defines data buffer address in VME A32*/
/* WARNING: This address is dynamically allocated by the RTPC */
if (lseek(chan, MESSAGE_ADDRESS, SEEK_SET) == -1) {
printf("%s\n",err10);
exit(errno);
}
if (read(chan, mess_p, message_length) != message_length) {
printf("%s\n",err11);
exit(errno);
}
if ( Message_Box[5] == 1) {
*vmesp = 1; /* VME system is in running state */
}else {
*vmesp = 0;
}
buffer1_address = Message_Box[0];
buffer2_address = buffer1_address + BUFFER_LENGTH;
/* Write status to file /help/status.tmp */
strm = fopen("/usr/local/sirius+/help/vmestatus.tmp","w");
if ( Message_Box[5] == 1 ) {
fprintf(strm," VME system status\t\t: RUNNING\n");
}
else if ( Message_Box[5] == 0 ) {
fprintf(strm," VME system status\t\t: STOPPED\n");
}else {
fprintf(strm," VME system status\t\t: UNKNOWN ?\n");
}
fprintf(strm, " Buffer1 address\t\t: %x (hex) \n", buffer1_address);
fprintf(strm, " Buffer length\t\t: %x (hex) \n\n", Message_Box[1]);
fclose( strm );
/* Take a copy of the file descriptor for storage unit if used */
if ( *stgp > 0 ) {
opendes = *stgp;
exades = fcntl( opendes, F_DUPFD, new_des_min );
write_data = 1;
if ( exades == -1) {
perror("\n ERROR: Could not copy file descriptor \n");
write_data = 0;
}
}
/* Establish the correct channel for bit3 according to A24 or A32 */
/* for the two buffers. RTPC uses A32 and FIC (old CPU) uses A24 */
/* This is tested by the fixed address of the message box given */
/* by the MESSAGE_ADDRESS in /sirius/include/buffer_defs.h */
/* MESSAGE_ADDRESS = 0x201FFFD0 is for FIC using A24 (buffer uses A24) */
/* MESSAGE_ADDRESS = 0x00850000 is for RTPC using A24 (buffer uses A32) */
/* I hope this works, Magne */
if(MESSAGE_ADDRESS == 0x201FFFD0) {
chanbuf = chan; /* Already determined by vme_init()*/
}
else if(MESSAGE_ADDRESS == 0x00850000) {
if((cpbuf = bt_devname(unit, &buffer1_address, typebuf, device)) != NULL) {
if ((chanbuf = open(cpbuf, O_RDONLY)) < 0 ) {
printf("%s\n",err23);
exit(errno);
}
}else{
printf("%s\n",err24);
exit(errno);
}
/* Make sure the bit3 adaptor is connected*/
(void) ioctl(chanbuf, BIOC_CLR_STATUS, &status_flags);
if (status_flags & BT_STATUS_MASK) {
bit3_perror(chanbuf);
exit(errno);
}
}else{
printf("%s\n",err25);
exit(errno);
}
semph1 = Message_Box[2]&0x00000001; /*Test on the last 4 bits*/
semph2 = Message_Box[3]&0x00000001;
suns = Message_Box[6]&0x00000001;
stbox = MESSAGE_ADDRESS;
printf("\n test1 parameters:");
printf("\n Device number for VME message box : %d",chan);
printf("\n Device number for VME buffers : %d",chanbuf);
printf("\n VME message box starts at : 0x%x",stbox);
printf("\n Buffer 1 starts at : 0x%x",buffer1_address);
printf("\n Buffer 2 starts at : 0x%x",buffer2_address);
printf("\n Start of buffer address (messagebox 0) : 0x%x",Message_Box[0]);
printf("\n Buffer length (words) (messagebox 1) : %d",Message_Box[1]);
printf("\n Semaphore 1 (messagebox 2) : %d",semph1);
printf("\n Semaphore 2 (messagebox 3) : %d",semph2);
printf("\n Not used (messagebox 4) : %d",Message_Box[4]);
printf("\n VME-CPU ready or not (messagebox 5) : %d",Message_Box[5]);
printf("\n SUN-CPU ready or not (messagebox 6) : %d",suns);
printf("\n Not used (messagebox 7) : %d",Message_Box[7]);
printf("\n Not used (messagebox 8) : %d",Message_Box[8]);
printf("\n Not used (messagebox 9) : %d\n",Message_Box[9]);
for(;;) { /*MAIN DATA ACQUISITION LOOP*/
if ( *engp == 9 ) goto exitengine; /*STOP COMMAND FROM MASTER */
/***********************************************************************/
/* B U F F E R # 1 */
/***********************************************************************/
/* 1. Check if buffer # 1 is ready */
/* Loop on VME "semaphore" #1 until it becomes 1 */
/* The call to usleep suspends the process 10 ms */
for (;;) {
/* new test, Magne
if (lseek(chan, MESSAGE_ADDRESS, SEEK_SET) == -1) {
printf("%s\n",err10);
exit(errno);
}
if (read(chan, mess_p, message_length) != message_length) {
printf("%s\n",err11);
exit(errno);
}
if ( Message_Box[5] == 1) {
*vmesp = 1;
}else {
*vmesp = 0;
}
*/
usleep(WAIT10MS);
if (lseek(chan, SEM_1, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
usleep(WAIT10MS);
if (read(chan, sem1ptr, 4) != 4) {
printf("%s\n",err13);
exit(errno);
}
*sem1ptr=1;
if (sem1val == 1 ) break; /* OK buffer ready */
if ( *engp == 9) goto exitengine;
usleep(WAIT10MS);
}
/* 2. Signal the sorting task to disrupt sorting */
/* This is done by setting message_box(0) to '3' */
*sortp = 3;
/* 3. Fetch data buffer #1 from the VMEbus system */
usleep(WAIT10MS);
if (lseek(chanbuf, buffer1_address, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
usleep(WAIT10MS);
/* if (read(chanbuf, bufp, BUFFER_LENGTH) != BUFFER_LENGTH) {
printf("%s\n",err14);
exit(errno);
}*/
/* 4. Reset VMEbus semaphore # 1 */
usleep(WAIT10MS);
if (lseek(chan, SEM_1, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
sem1val=0;
usleep(WAIT10MS);
if (write(chan, sem1ptr, 4) != 4) {
printf("%s\n",err15);
exit(errno);
}
/* 5. Activate sorting task */
/* This is done by setting the sort semaphore to 0 */
*sortp = 0; /* Remove disrupt flag */
semno = 0;
arg.val = 0;
if ( semctl(semid, semno, SETVAL, arg) == -1) {
printf("%s\n",err16);
exit(errno);
}
/* 6. Start dump of buffer 1 to exabyte tape */
/* Buffer is segmented into 4 records, each 32 kB long */
if ( write_data == 1 ) {
bytes_written = write(exades, buf1p, RECORD_LENGTH);
bytes_written = write(exades, buf2p, RECORD_LENGTH);
bytes_written = write(exades, buf3p, RECORD_LENGTH);
bytes_written = write(exades, buf4p, RECORD_LENGTH);
if (bytes_written != RECORD_LENGTH) {
printf("%s\n",err17);
}
}
/* Update record count message_box(9) variable */
*recp = *recp + 1;
/*********************************************************************/
/* B U F F E R # 2 */
/*********************************************************************/
/* 1. Check if buffer # 2 is ready */
/* Loop on VME "semaphore" #2 until it becomes 1 */
/* The call to usleep suspends the process 10 ms */
for (;;) {
/* new test, Magne
if (lseek(chan, MESSAGE_ADDRESS, SEEK_SET) == -1) {
printf("%s\n",err10);
exit(errno);
}
if (read(chan, mess_p, message_length) != message_length) {
printf("%s\n",err11);
exit(errno);
}
if ( Message_Box[5] == 1) {
*vmesp = 1;
}else {
*vmesp = 0;
}
*/
usleep(WAIT10MS);
if (lseek(chan, SEM_2, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
usleep(WAIT10MS);
if (read(chan, sem2ptr, 4) != 4) {
printf("%s\n",err13);
exit(errno);
}
*sem2ptr=1;
if (sem2val == 1 ) break; /* OK buffer ready */
if ( *engp == 9) goto exitengine;
usleep(WAIT10MS);
}
/* 2. Signal the sorting task to disrupt sorting of current buffer */
/* This is done by setting message_box(0) to '3' */
*sortp = 3;
/* 3. Fetch data buffer #2 from the VMEbus system */
usleep(WAIT10MS);
if (lseek(chanbuf, buffer2_address, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
usleep(WAIT10MS);
/* if (read(chanbuf, bufp, BUFFER_LENGTH) != BUFFER_LENGTH) {
printf("%s\n",err26);
exit(errno);
}*/
/* 4. Reset VMEbus semaphore # 2 */
usleep(WAIT10MS);
if (lseek(chan, SEM_2, SEEK_SET) == -1) {
printf("%s\n",err12);
exit(errno);
}
usleep(WAIT10MS);
sem2val = 0;
if (write(chan, sem2ptr, 4) != 4) {
printf("%s\n",err15);
exit(errno);
}
/* 5. Activate sorting task */
/* This is done by setting the sort semaphore to 0 */
*sortp = 0; /* Remove disrupt flag */
semno = 0;
arg.val = 0;
if ( semctl(semid, semno, SETVAL, arg) == -1) {
printf("%s\n",err16);
exit(errno);
}
/* 6. Start dump of buffer 2 to exabyte tape */
/* Buffer is segmented into 4 records, each 32 kB long */
if ( write_data == 1 ) {
bytes_written = write(exades, buf1p, RECORD_LENGTH);
bytes_written = write(exades, buf2p, RECORD_LENGTH);
bytes_written = write(exades, buf3p, RECORD_LENGTH);
bytes_written = write(exades, buf4p, RECORD_LENGTH);
if (bytes_written != RECORD_LENGTH) {
printf("%s\n",err17);
exit(errno);
}
}
/* Update record count message_box(9) variable */
*recp = *recp + 1;
} /*END OF MAIN DATA ACQUISITION LOOP*/
exitengine:
/* Signal to VME front-end system that the acquisition is stopped */
/* This is done by setting the VME Message_Box(x) to '0' */
if (lseek(chan, ENGSTATUS, SEEK_SET) == -1) {
printf("%s\n",err18);
exit(errno);
}
engstatval = 0;
if (write(chan, engstatptr, 4) != 4) {
printf("%s\n",err19);
exit(errno);
}
/* Detach shared memory */
if ( shmdt( shm1ptr ) == -1) {
printf("%s\n",err20);
}
if ( shmdt( shm2ptr ) == -1) {
printf("%s\n",err21);
}
/* Remove the lock file */
if ( system("rm -f /usr/local/sirius+/system/engine.lock") == -1) {
printf("%s\n",err22);
exit(errno);
}
exit(0);
}
/*============================================================================
* Initialize the VMEbus driver interface
*/
int /* Returns 0 on success or -1 on failure */
vmeInit ()
{
return (vme_init (&bus_handle));
}