added tud_cdc_write_str, tu_fifo only use mutex for RTOS config

2018-11-13 15:34:50 +07:00
parent 5a046799f6
commit 3fe7cd1659
19 changed files with 110 additions and 83 deletions
--- a/src/common/tusb_fifo.h
+++ b/src/common/tusb_fifo.h
@@ -43,7 +43,9 @@
 #ifndef _TUSB_FIFO_H_
 #define _TUSB_FIFO_H_

-#define CFG_FIFO_MUTEX      1
+// mutex is only needed for RTOS
+// for OS None, we don't get preempted
+#define CFG_FIFO_MUTEX      (CFG_TUSB_OS != OPT_OS_NONE)

 #include <stdint.h>
 #include <stdbool.h>