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172 lines
9.9 KiB
C
172 lines
9.9 KiB
C
3 weeks ago
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/*********************************************************************
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* SEGGER MICROCONTROLLER GmbH & Co. KG *
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* Solutions for real time microcontroller applications *
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**********************************************************************
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* *
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* (c) 2014 - 2015 SEGGER Microcontroller GmbH & Co. KG *
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* *
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* www.segger.com Support: support@segger.com *
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* *
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**********************************************************************
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* *
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* SEGGER RTT * Real Time Transfer for embedded targets *
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* *
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**********************************************************************
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* *
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* All rights reserved. *
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* *
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* * This software may in its unmodified form be freely redistributed *
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* in source form. *
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* * The source code may be modified, provided the source code *
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* retains the above copyright notice, this list of conditions and *
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* the following disclaimer. *
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* * Modified versions of this software in source or linkable form *
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* may not be distributed without prior consent of SEGGER. *
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* * This software may only be used for communication with SEGGER *
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* J-Link debug probes. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
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* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
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* DAMAGE. *
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* *
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**********************************************************************
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* *
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* RTT version: 5.02k *
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* *
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**********************************************************************
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----------------------------------------------------------------------
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File : SEGGER_RTT_Conf.h
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Purpose : Implementation of SEGGER real-time transfer (RTT) which
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allows real-time communication on targets which support
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debugger memory accesses while the CPU is running.
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---------------------------END-OF-HEADER------------------------------
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*/
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#ifndef SEGGER_RTT_CONF_H
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#define SEGGER_RTT_CONF_H
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#ifdef __ICCARM__
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#include <intrinsics.h>
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#endif
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/*********************************************************************
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*
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* Defines, configurable
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*
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**********************************************************************
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*/
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#define SEGGER_RTT_MAX_NUM_UP_BUFFERS (2) // Max. number of up-buffers (T->H) available on this target (Default: 2)
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#define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (2) // Max. number of down-buffers (H->T) available on this target (Default: 2)
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#define BUFFER_SIZE_UP (1024) // Size of the buffer for terminal output of target, up to host (Default: 1k)
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#define BUFFER_SIZE_DOWN (16) // Size of the buffer for terminal input to target from host (Usually keyboard input) (Default: 16)
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#define SEGGER_RTT_PRINTF_BUFFER_SIZE (64u) // Size of buffer for RTT printf to bulk-send chars via RTT (Default: 64)
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#define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP // Mode for pre-initialized terminal channel (buffer 0)
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//
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// Target is not allowed to perform other RTT operations while string still has not been stored completely.
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// Otherwise we would probably end up with a mixed string in the buffer.
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// If using RTT from within interrupts, multiple tasks or multi processors, define the SEGGER_RTT_LOCK() and SEGGER_RTT_UNLOCK() function here.
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//
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/*********************************************************************
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*
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* RTT lock configuration for SEGGER Embedded Studio,
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* Rowley CrossStudio and GCC
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*/
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#if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__)
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#ifdef __ARM_ARCH_6M__
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#define SEGGER_RTT_LOCK(SavedState) { \
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asm volatile ("mrs %0, primask \n\t" \
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"mov r1, $1 \n\t" \
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"msr primask, r1 \n\t" \
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: "=r" (SavedState) \
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: \
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: "r1" \
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); \
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}
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#define SEGGER_RTT_UNLOCK(SavedState) { \
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asm volatile ("msr primask, %0 \n\t" \
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: \
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: "r" (SavedState) \
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: \
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); \
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}
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#elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__))
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#define SEGGER_RTT_LOCK(SavedState) { \
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asm volatile ("mrs %0, basepri \n\t" \
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"mov r1, $128 \n\t" \
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"msr basepri, r1 \n\t" \
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: "=r" (SavedState) \
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: \
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: "r1" \
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); \
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}
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#define SEGGER_RTT_UNLOCK(SavedState) { \
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asm volatile ("msr basepri, %0 \n\t" \
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: \
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: "r" (SavedState) \
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: \
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); \
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}
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#else
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#define SEGGER_RTT_LOCK(SavedState) (void)(SavedState)
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#define SEGGER_RTT_UNLOCK(SavedState) (void)(SavedState)
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#endif
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#endif
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/*********************************************************************
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*
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* RTT lock configuration for IAR EWARM
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*/
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#ifdef __ICCARM__
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#if (defined (__ARM7M__) && (__CORE__ == __ARM7M__))
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#define SEGGER_RTT_LOCK(SavedState) { \
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SavedState = __get_PRIMASK(); \
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__set_PRIMASK(1); \
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}
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#define SEGGER_RTT_UNLOCK(SavedState) { \
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__set_PRIMASK(SavedState); \
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}
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#elif (defined (__ARM7EM__) && (__CORE__ == __ARM7EM__))
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#define SEGGER_RTT_LOCK(SavedState) { \
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SavedState = __get_BASEPRI(); \
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__set_BASEPRI(128); \
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}
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#define SEGGER_RTT_UNLOCK(SavedState) { \
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__set_BASEPRI(SavedState); \
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}
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#endif
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#endif
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/*********************************************************************
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*
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* RTT lock configuration fallback
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*/
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#ifndef SEGGER_RTT_LOCK
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#define SEGGER_RTT_LOCK(SavedState) (void)(SavedState)
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#endif
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#ifndef SEGGER_RTT_UNLOCK
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#define SEGGER_RTT_UNLOCK(SavedState) (void)(SavedState)
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#endif
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#endif
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/*************************** End of file ****************************/
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