clean up

1 files changed, 11 insertions, 2 deletions

diff --git a/tinyusb/common/tusb_fifo.h b/tinyusb/common/tusb_fifo.h
index 1c524f3a5..8054f315c 100644
--- a/tinyusb/common/tusb_fifo.h
+++ b/tinyusb/common/tusb_fifo.h
@@ -55,9 +55,16 @@
 

 #if CFG_FIFO_MUTEX

 

-/*Mutex port for newt*/

-#include "os/os_mutex.h"

+#include "osal/osal.h"

 

+#if TUSB_CFG_OS == TUSB_OS_NONE

+// Since all fifo read/write is done in thread mode, there should be

+// no conflict except for osal queue which will be address seperatedly.

+// Therefore there may be no need for mutex with internal use of fifo

+

+#define _ff_mutex_def(mutex)

+

+#else

 #define fifo_mutex_t          struct os_mutex

 

 #define fifo_mutex_lock(m)    os_mutex_pend(m, OS_TIMEOUT_NEVER)

@@ -66,6 +73,8 @@
 /* Internal use only */

 #define _mutex_declare(m)     .mutex = m

 

+#endif

+

 #else

 

 #define _mutex_declare(m)