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Starting sensor support

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This commit is contained in:
Michal Moskal
2017-07-08 11:16:12 +01:00
parent b86a552a5b
commit 51b22e2d93
6 changed files with 130 additions and 1 deletions
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11
libs/core/mmap.cpp
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@ -5,6 +5,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
namespace pxt {
PXT_VTABLE_CTOR(MMap) {
@ -28,6 +29,7 @@ namespace control {
/** Create new file mapping in memory */
//%
MMap *mmap(String filename, int size, int offset) {
DMESG("mmap %s len=%d off=%d", filename->data, size, offset);
int fd = open(filename->data, O_RDWR, 0);
if (fd < 0)
return 0;
@ -41,7 +43,7 @@ MMap *mmap(String filename, int size, int offset) {
auto r = new MMap();
r->fd = fd;
r->length = size;
r->data = (uint8_t*)data;
r->data = (uint8_t *)data;
return r;
}
}
@ -73,4 +75,11 @@ TNumber getNumber(MMap *buf, NumberFormat format, int offset) {
int length(MMap *s) {
return s->length;
}
/** Perform ioctl(2) on the underlaying file */
//%
void ioctl(MMap *mmap, uint32_t id, Buffer data) {
::ioctl(mmap->fd, id, data->data);
}
}