diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/usbtmc/usbtmc_device.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/class/usbtmc/usbtmc_device.c b/src/class/usbtmc/usbtmc_device.c index 07c7c28a6..ba38bfca8 100644 --- a/src/class/usbtmc/usbtmc_device.c +++ b/src/class/usbtmc/usbtmc_device.c @@ -157,8 +157,10 @@ static bool handle_devMsgOut(uint8_t rhport, void *data, size_t len, size_t pack static uint8_t termChar; static uint8_t termCharRequested = false; -OSAL_MUTEX_DEF(usbtmcLockBuffer); -static osal_mutex_t usbtmcLock; +#if OSAL_MUTEX_REQUIRED +static OSAL_MUTEX_DEF(usbtmcLockBuffer); +#endif +osal_mutex_t usbtmcLock; // Our own private lock, mostly for the state variable. #define criticalEnter() do { (void) osal_mutex_lock(usbtmcLock,OSAL_TIMEOUT_WAIT_FOREVER); } while (0) |