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FMC TDC 1ns 5cha - Software
Commit 8b486d46 authored by Miguel Gómez Sexto's avatar Miguel Gómez Sexto
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tdc: open and close functions added to the library. 

Signed-off-by: Miguel Gómez Sexto's avatarMiguel Gómez <magomez@igalia.com>
parent b0cd095f
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Showing with 51 additions and 1 deletion
lib/libtdc.c
View file @ 8b486d46
......@@ -4,6 +4,7 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "libtdc.h"
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
......@@ -49,7 +50,7 @@ int tdc_init(void)
b->ctrl[j] = -1;
b->data[j] = -1;
}
printf("Initialized device %s", b->sysbase);
printf("Found device %s\n", b->sysbase);
}
globfree(&glob_dev);
globfree(&glob_sys);
......@@ -87,10 +88,53 @@ void tdc_exit(void)
struct tdc_board *tdc_open(int offset, int dev_id)
{
struct tdc_board *b = NULL;
int i;
/* If we are given an offset, select the dev there */
/* If we are given an id, loop until we find it in the list */
/* If we are given an offset and an id, the id in pos offset must match */
if (offset >= tdc_nboards) {
errno = ENODEV;
return NULL;
}
if (offset >= 0) {
b = tdc_boards + offset;
if (dev_id >= 0 && dev_id != b->dev_id) {
errno = EINVAL;
return NULL;
}
goto found;
}
if (dev_id < 0) {
errno = EINVAL;
return NULL;
}
for (i = 0, b = tdc_boards; i < tdc_nboards; i++, b++)
if (b->dev_id == dev_id)
goto found;
errno = ENODEV;
return NULL;
found:
printf("Opened device %s\n", b->sysbase);
return b;
}
extern int tdc_close(struct tdc_board *b)
{
int j;
for (j = 0; j < ARRAY_SIZE(b->ctrl); j++) {
if (b->ctrl[j] >= 0)
close(b->ctrl[j]);
b->ctrl[j] = -1;
if (b->data[j] >= 0)
close(b->data[j]);
b->data[j] = -1;
}
return 0;
}
lib/test.c
View file @ 8b486d46
......@@ -6,6 +6,7 @@
int main(int argc, char **argv)
{
struct tdc_board *b;
int i;
i = tdc_init();
......@@ -23,6 +24,11 @@ int main(int argc, char **argv)
argv[0], i);
}
b = tdc_open(0, -1);
tdc_close(b);
tdc_exit();
return 0;
}
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