contiki/platform/nrf52dk/rtt/segger-rtt-conf.h
2016-02-15 09:37:38 +01:00

136 lines
7.4 KiB
C

/*********************************************************************
* SEGGER MICROCONTROLLER GmbH & Co. KG *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 2014 - 2015 SEGGER Microcontroller GmbH & Co. KG *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
----------------------------------------------------------------------
File : SEGGER_RTT_Conf.h
Purpose : Implementation of SEGGER real-time transfer (RTT) which
allows real-time communication on targets which support
debugger memory accesses while the CPU is running.
---------------------------END-OF-HEADER------------------------------
*/
#ifndef SEGGER_RTT_CONF_H
#define SEGGER_RTT_CONF_H
#ifdef __ICCARM__
#include <intrinsics.h>
#endif
/*********************************************************************
*
* Defines, configurable
*
**********************************************************************
*/
#define SEGGER_RTT_MAX_NUM_UP_BUFFERS (2) // Max. number of up-buffers (T->H) available on this target (Default: 2)
#define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (2) // Max. number of down-buffers (H->T) available on this target (Default: 2)
#define BUFFER_SIZE_UP (1024) // Size of the buffer for terminal output of target, up to host (Default: 1k)
#define BUFFER_SIZE_DOWN (16) // Size of the buffer for terminal input to target from host (Usually keyboard input) (Default: 16)
#define SEGGER_RTT_PRINTF_BUFFER_SIZE (64u) // Size of buffer for RTT printf to bulk-send chars via RTT (Default: 64)
#define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP // Mode for pre-initialized terminal channel (buffer 0)
//
// Target is not allowed to perform other RTT operations while string still has not been stored completely.
// Otherwise we would probably end up with a mixed string in the buffer.
// If using RTT from within interrupts, multiple tasks or multi processors, define the SEGGER_RTT_LOCK() and SEGGER_RTT_UNLOCK() function here.
//
/*********************************************************************
*
* RTT lock configuration for SEGGER Embedded Studio,
* Rowley CrossStudio and GCC
*/
#if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__)
#ifdef __ARM_ARCH_6M__
#define SEGGER_RTT_LOCK(SavedState) { \
asm volatile ("mrs %0, primask \n\t" \
"mov r1, $1 \n\t" \
"msr primask, r1 \n\t" \
: "=r" (SavedState) \
: \
: "r1" \
); \
}
#define SEGGER_RTT_UNLOCK(SavedState) { \
asm volatile ("msr primask, %0 \n\t" \
: \
: "r" (SavedState) \
: \
); \
}
#elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__))
#define SEGGER_RTT_LOCK(SavedState) { \
asm volatile ("mrs %0, basepri \n\t" \
"mov r1, $128 \n\t" \
"msr basepri, r1 \n\t" \
: "=r" (SavedState) \
: \
: "r1" \
); \
}
#define SEGGER_RTT_UNLOCK(SavedState) { \
asm volatile ("msr basepri, %0 \n\t" \
: \
: "r" (SavedState) \
: \
); \
}
#else
#define SEGGER_RTT_LOCK(SavedState) (void)(SavedState)
#define SEGGER_RTT_UNLOCK(SavedState) (void)(SavedState)
#endif
#endif
/*********************************************************************
*
* RTT lock configuration for IAR EWARM
*/
#ifdef __ICCARM__
#if (defined (__ARM7M__) && (__CORE__ == __ARM7M__))
#define SEGGER_RTT_LOCK(SavedState) { \
SavedState = __get_PRIMASK(); \
__set_PRIMASK(1); \
}
#define SEGGER_RTT_UNLOCK(SavedState) { \
__set_PRIMASK(SavedState); \
}
#elif (defined (__ARM7EM__) && (__CORE__ == __ARM7EM__))
#define SEGGER_RTT_LOCK(SavedState) { \
SavedState = __get_BASEPRI(); \
__set_BASEPRI(128); \
}
#define SEGGER_RTT_UNLOCK(SavedState) { \
__set_BASEPRI(SavedState); \
}
#endif
#endif
/*********************************************************************
*
* RTT lock configuration fallback
*/
#ifndef SEGGER_RTT_LOCK
#define SEGGER_RTT_LOCK(SavedState) (void)(SavedState)
#endif
#ifndef SEGGER_RTT_UNLOCK
#define SEGGER_RTT_UNLOCK(SavedState) (void)(SavedState)
#endif
#endif
/*************************** End of file ****************************/