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Experimental virtual file support

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QuRT does not have a filesystem, so creating a virtual filesystem
that could be implemented as an in-memory file or a remote file
over fastRPC.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>
This commit is contained in:
Mark Charlebois
2015-05-06 22:12:45 -07:00
parent 35e6822d95
commit 6db77dc8bb
11 changed files with 206 additions and 23 deletions
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src/drivers/device/vdev.cpp
+17 -1
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@@ -64,7 +64,7 @@ private:
px4_dev_t() {}
};
#define PX4_MAX_DEV 100
#define PX4_MAX_DEV 30
static px4_dev_t *devmap[PX4_MAX_DEV];
/*
@@ -448,8 +448,12 @@ VDev::remove_poll_waiter(px4_pollfd_struct_t *fds)
VDev *VDev::getDev(const char *path)
{
printf("VDev::getDev\n");
int i=0;
for (; i<PX4_MAX_DEV; ++i) {
if (devmap[i]) {
printf("%s %s\n", devmap[i]->name, path);
}
if (devmap[i] && (strcmp(devmap[i]->name, path) == 0)) {
return (VDev *)(devmap[i]->cdev);
}
@@ -479,6 +483,18 @@ void VDev::showTopics()
}
}
void VDev::showFiles()
{
int i=0;
printf("Files:\n");
for (; i<PX4_MAX_DEV; ++i) {
if (devmap[i] && strncmp(devmap[i]->name, "/obj/", 5) != 0 &&
strncmp(devmap[i]->name, "/dev/", 5) != 0) {
printf(" %s\n", devmap[i]->name);
}
}
}
const char *VDev::topicList(unsigned int *next)
{
for (;*next<PX4_MAX_DEV; (*next)++)