mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-01-17 16:14:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

hci: use 4 bytes HCI_OUTGOING_PRE_BUFFER_SIZE if not defined and ENABLE_H5 is defined

Browse Source
This commit is contained in:
Matthias Ringwald 2021-03-04 09:49:29 +01:00
parent 578a8f8431
commit c6602a61dd
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/hci.h
View File

@ -135,13 +135,19 @@ extern "C" {
#endif #endif
#endif #endif
// additional pre-buffer space for packets to Bluetooth module, for now, used for HCI Transport H4 DMA // additional pre-buffer space for packets to Bluetooth module
// - H4 requires 1 byte for the packet type
// - h5 requires 4 bytes for H5 header
#ifndef HCI_OUTGOING_PRE_BUFFER_SIZE #ifndef HCI_OUTGOING_PRE_BUFFER_SIZE
#ifdef HAVE_HOST_CONTROLLER_API #ifdef HAVE_HOST_CONTROLLER_API
#define HCI_OUTGOING_PRE_BUFFER_SIZE 0 #define HCI_OUTGOING_PRE_BUFFER_SIZE 0
#else #else
#define HCI_OUTGOING_PRE_BUFFER_SIZE 1 #ifdef ENABLE_H5
#endif #define HCI_OUTGOING_PRE_BUFFER_SIZE 4
#else
#define HCI_OUTGOING_PRE_BUFFER_SIZE 1
#endif
#endif
#endif #endif
// BNEP may uncompress the IP Header by 16 bytes, GATT Client requires two additional bytes for long characteristic reads // BNEP may uncompress the IP Header by 16 bytes, GATT Client requires two additional bytes for long characteristic reads