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en:uhsdr_dev:segger_j_link [27.02.2018 07:45]
df9ts_user [Segger Real Time Terminal RTT]
en:uhsdr_dev:segger_j_link [27.02.2018 08:46] (current)
df9ts_user
Line 71: Line 71:
   * SEGGER_RTT_LOCK()   * SEGGER_RTT_LOCK()
   * SEGGER_RTT_UNLOCK()   * SEGGER_RTT_UNLOCK()
-and disable interrupts and threads which might use RTT in SEGGER_RTT_LOCK() and enable them again in SEGGER_RTT_UNLOCK().+  * .. and disable interrupts and threads which might use RTT in SEGGER_RTT_LOCK() and enable them again in SEGGER_RTT_UNLOCK(). 
 +  * See [https://​mcuoneclipse.com/​2014/​01/​26/​entercritical-and-exitcritical-why-things-are-failing-badly/​|here]] for a discussion on how to enable / disable interrupts on Cortex-M
  
 ==== J-Link support for Option bytes and Lock / Unlock ==== ==== J-Link support for Option bytes and Lock / Unlock ====