/********************************************************************* | |
* 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 | |
#include "compiler_abstraction.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 ****************************/ |