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Simple VME FMC Carrier SVEC - Software
Commit c6d97c3a authored by Juan David González Cobas's avatar Juan David González Cobas
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tools: add options -w and -o to vme 

This allows to write a constant word to a range of offsets,
and check back easily without the printed offsets the written
values
parent 6d5af9d0
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Showing with 20 additions and 3 deletions
tools/vme.c
View file @ c6d97c3a
......@@ -7,7 +7,7 @@
#include <libvmebus.h>
static char usage_string[] =
"usage: %s [-v vme_address] "
"usage: %s [-oh?] [ -w word ] [-v vme_address] "
"[-d data_width] [-a address_modifier] [-n word_count]\n";
void usage(char *prog)
......@@ -24,14 +24,21 @@ int main(int argc, char *argv[])
unsigned long vmebase, am, data_width;
int i, count;
int c;
int write, offsets_on;
uint32_t word;
/* vme defaults */
count = 1;
am = VME_A32_USER_DATA_SCT;
data_width = VME_D32;
while ((c = getopt(argc, argv, "v:d:a:n:")) != -1) {
write = 0;
offsets_on = 1;
while ((c = getopt(argc, argv, "ov:d:a:n:w:")) != -1) {
switch (c) {
case 'o':
offsets_on = 0;
break;
case 'v':
vmebase = strtoul(optarg, NULL, 0);
break;
......@@ -44,6 +51,10 @@ int main(int argc, char *argv[])
case 'n':
count = strtoul(optarg, NULL, 0);
break;
case 'w':
write = 1;
word = strtoul(optarg, NULL, 0);
break;
case '?':
case 'h':
usage(argv[0]);
......@@ -68,7 +79,13 @@ int main(int argc, char *argv[])
printf("vme 0x%08x kernel 0x%08x user 0x%08x\n",
vmebase, mapp->kernel_va, mapp->user_va);
for (i = 0; i < count; i++, ptr += 4) {
printf("%08x: %08x\n", ptr, ntohl(*(uint32_t *)ptr));
if (!write) {
if (offsets_on)
printf("%08x: ", ptr);
printf("%08x\n", ntohl(*(uint32_t *)ptr));
} else {
*(uint32_t *)ptr = htonl(word);
}
}
vme_unmap(mapp, 1);
......
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