aboutsummaryrefslogtreecommitdiff
path: root/src/modules/px4iofirmware/protocol.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/modules/px4iofirmware/protocol.h')
-rw-r--r--src/modules/px4iofirmware/protocol.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/modules/px4iofirmware/protocol.h b/src/modules/px4iofirmware/protocol.h
index 7471faec7..d5a6b1ec4 100644
--- a/src/modules/px4iofirmware/protocol.h
+++ b/src/modules/px4iofirmware/protocol.h
@@ -312,7 +312,7 @@ struct IOPacket {
#define PKT_COUNT(_p) ((_p).count_code & PKT_COUNT_MASK)
#define PKT_CODE(_p) ((_p).count_code & PKT_CODE_MASK)
-#define PKT_SIZE(_p) ((uint8_t *)&((_p).regs[PKT_COUNT(_p)]) - ((uint8_t *)&(_p)))
+#define PKT_SIZE(_p) ((size_t)((uint8_t *)&((_p).regs[PKT_COUNT(_p)]) - ((uint8_t *)&(_p))))
static const uint8_t crc8_tab[256] __attribute__((unused)) =
{