diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tusb.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/tusb.c b/src/tusb.c index 80073c259..11690b203 100644 --- a/src/tusb.c +++ b/src/tusb.c @@ -216,13 +216,17 @@ uint16_t tu_desc_get_interface_total_len(tusb_desc_interface_t const* desc_itf, bool tu_edpt_stream_init(tu_edpt_stream_t* s, bool is_host, bool is_tx, bool overwritable, void* ff_buf, uint16_t ff_bufsize, uint8_t* ep_buf, uint16_t ep_bufsize) { - osal_mutex_t new_mutex = osal_mutex_create(&s->ff_mutexdef); - (void) new_mutex; (void) is_tx; s->is_host = is_host; tu_fifo_config(&s->ff, ff_buf, ff_bufsize, 1, overwritable); - tu_fifo_config_mutex(&s->ff, is_tx ? new_mutex : NULL, is_tx ? NULL : new_mutex); + + #if OSAL_MUTEX_REQUIRED + if (ff_buf && ff_bufsize) { + osal_mutex_t new_mutex = osal_mutex_create(&s->ff_mutexdef); + tu_fifo_config_mutex(&s->ff, is_tx ? new_mutex : NULL, is_tx ? NULL : new_mutex); + } + #endif s->ep_buf = ep_buf; s->ep_bufsize = ep_bufsize; |