gex/gex-core
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fix 1wire bugginess with addressing

Browse Source
This commit is contained in:
MightyPork
2018-03-04 00:50:15 +01:00
parent 887887b675
commit 0b14e5dda4
1 changed files with 10 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
utils/payload_parser.c
+10 -20
View File
@@ -1,3 +1,4 @@
#include <debug.h>
#include "payload_parser.h"
#define pp_check_capacity(pp, needed) \
@@ -58,32 +59,21 @@ uint32_t pp_u32(PayloadParser *pp)
uint64_t pp_u64(PayloadParser *pp)
{
pp_check_capacity(pp, 4);
pp_check_capacity(pp, 8);
if (!pp->ok) return 0;
uint64_t x = 0;
uint32_t x0, x1;
uint64_t x;
if (pp->bigendian) {
x |= (uint64_t) ((uint64_t) *pp->current++ << 56);
x |= (uint64_t) ((uint64_t) *pp->current++ << 48);
x |= (uint64_t) ((uint64_t) *pp->current++ << 40);
x |= (uint64_t) ((uint64_t) *pp->current++ << 32);
x |= (uint64_t) (*pp->current++ << 24);
x |= (uint64_t) (*pp->current++ << 16);
x |= (uint64_t) (*pp->current++ << 8);
x |= *pp->current++;
x1 = pp_u32(pp);
x0 = pp_u32(pp);
} else {
x |= *pp->current++;
x |= (uint64_t) (*pp->current++ << 8);
x |= (uint64_t) (*pp->current++ << 16);
x |= (uint64_t) (*pp->current++ << 24);
x |= (uint64_t) ((uint64_t) *pp->current++ << 32);
x |= (uint64_t) ((uint64_t) *pp->current++ << 40);
x |= (uint64_t) ((uint64_t) *pp->current++ << 48);
x |= (uint64_t) ((uint64_t) *pp->current++ << 56);
x0 = pp_u32(pp);
x1 = pp_u32(pp);
}
x = ((uint64_t)x1)<<32 | x0;
return x;
}