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-/*********************************************************************
-* SEGGER Microcontroller GmbH *
-* The Embedded Experts *
-**********************************************************************
-* *
-* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
-* *
-* www.segger.com Support: support@segger.com *
-* *
-**********************************************************************
-* *
-* SEGGER RTT * Real Time Transfer for embedded targets *
-* *
-**********************************************************************
-* *
-* All rights reserved. *
-* *
-* SEGGER strongly recommends to not make any changes *
-* to or modify the source code of this software in order to stay *
-* compatible with the RTT protocol and J-Link. *
-* *
-* Redistribution and use in source and binary forms, with or *
-* without modification, are permitted provided that the following *
-* condition is met: *
-* *
-* o Redistributions of source code must retain the above copyright *
-* notice, this condition and the following disclaimer. *
-* *
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
-* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
-* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
-* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
-* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
-* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
-* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
-* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
-* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
-* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
-* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
-* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
-* DAMAGE. *
-* *
-**********************************************************************
----------------------------END-OF-HEADER------------------------------
-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.
-Revision: $Rev: 18601 $
-
-*/
-
-#ifndef SEGGER_RTT_CONF_H
-#define SEGGER_RTT_CONF_H
-
-#ifdef __IAR_SYSTEMS_ICC__
- #include <intrinsics.h>
-#endif
-
-/*********************************************************************
-*
-* Defines, configurable
-*
-**********************************************************************
-*/
-#ifndef SEGGER_RTT_MAX_NUM_UP_BUFFERS
- #define SEGGER_RTT_MAX_NUM_UP_BUFFERS (3) // Max. number of up-buffers (T->H) available on this target (Default: 3)
-#endif
-
-#ifndef SEGGER_RTT_MAX_NUM_DOWN_BUFFERS
- #define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (3) // Max. number of down-buffers (H->T) available on this target (Default: 3)
-#endif
-
-#ifndef BUFFER_SIZE_UP
- #define BUFFER_SIZE_UP (1024) // Size of the buffer for terminal output of target, up to host (Default: 1k)
-#endif
-
-#ifndef BUFFER_SIZE_DOWN
- #define BUFFER_SIZE_DOWN (16) // Size of the buffer for terminal input to target from host (Usually keyboard input) (Default: 16)
-#endif
-
-#ifndef SEGGER_RTT_PRINTF_BUFFER_SIZE
- #define SEGGER_RTT_PRINTF_BUFFER_SIZE (64u) // Size of buffer for RTT printf to bulk-send chars via RTT (Default: 64)
-#endif
-
-#ifndef SEGGER_RTT_MODE_DEFAULT
- #define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP // Mode for pre-initialized terminal channel (buffer 0)
-#endif
-
-/*********************************************************************
-*
-* RTT memcpy configuration
-*
-* memcpy() is good for large amounts of data,
-* but the overhead is big for small amounts, which are usually stored via RTT.
-* With SEGGER_RTT_MEMCPY_USE_BYTELOOP a simple byte loop can be used instead.
-*
-* SEGGER_RTT_MEMCPY() can be used to replace standard memcpy() in RTT functions.
-* This is may be required with memory access restrictions,
-* such as on Cortex-A devices with MMU.
-*/
-#ifndef SEGGER_RTT_MEMCPY_USE_BYTELOOP
- #define SEGGER_RTT_MEMCPY_USE_BYTELOOP 0 // 0: Use memcpy/SEGGER_RTT_MEMCPY, 1: Use a simple byte-loop
-#endif
-//
-// Example definition of SEGGER_RTT_MEMCPY to external memcpy with GCC toolchains and Cortex-A targets
-//
-//#if ((defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__)) && (defined (__ARM_ARCH_7A__))
-// #define SEGGER_RTT_MEMCPY(pDest, pSrc, NumBytes) SEGGER_memcpy((pDest), (pSrc), (NumBytes))
-//#endif
-
-//
-// 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.
-//
-// SEGGER_RTT_MAX_INTERRUPT_PRIORITY can be used in the sample lock routines on Cortex-M3/4.
-// Make sure to mask all interrupts which can send RTT data, i.e. generate SystemView events, or cause task switches.
-// When high-priority interrupts must not be masked while sending RTT data, SEGGER_RTT_MAX_INTERRUPT_PRIORITY needs to be adjusted accordingly.
-// (Higher priority = lower priority number)
-// Default value for embOS: 128u
-// Default configuration in FreeRTOS: configMAX_SYSCALL_INTERRUPT_PRIORITY: ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
-// In case of doubt mask all interrupts: 1 << (8 - BASEPRI_PRIO_BITS) i.e. 1 << 5 when 3 bits are implemented in NVIC
-// or define SEGGER_RTT_LOCK() to completely disable interrupts.
-//
-#ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
- #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) // Interrupt priority to lock on SEGGER_RTT_LOCK on Cortex-M3/4 (Default: 0x20)
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for SEGGER Embedded Studio,
-* Rowley CrossStudio and GCC
-*/
-#if ((defined(__SES_ARM) || defined(__SES_RISCV) || defined(__CROSSWORKS_ARM) || defined(__GNUC__) || defined(__clang__)) && !defined (__CC_ARM) && !defined(WIN32))
- #if (defined(__ARM_ARCH_6M__) || defined(__ARM_ARCH_8M_BASE__))
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- __asm volatile ("mrs %0, primask \n\t" \
- "movs r1, $1 \n\t" \
- "msr primask, r1 \n\t" \
- : "=r" (LockState) \
- : \
- : "r1" \
- );
-
- #define SEGGER_RTT_UNLOCK() __asm volatile ("msr primask, %0 \n\t" \
- : \
- : "r" (LockState) \
- : \
- ); \
- }
- #elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_8M_MAIN__))
- #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
- #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
- #endif
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- __asm volatile ("mrs %0, basepri \n\t" \
- "mov r1, %1 \n\t" \
- "msr basepri, r1 \n\t" \
- : "=r" (LockState) \
- : "i"(SEGGER_RTT_MAX_INTERRUPT_PRIORITY) \
- : "r1" \
- );
-
- #define SEGGER_RTT_UNLOCK() __asm volatile ("msr basepri, %0 \n\t" \
- : \
- : "r" (LockState) \
- : \
- ); \
- }
-
- #elif defined(__ARM_ARCH_7A__)
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- __asm volatile ("mrs r1, CPSR \n\t" \
- "mov %0, r1 \n\t" \
- "orr r1, r1, #0xC0 \n\t" \
- "msr CPSR_c, r1 \n\t" \
- : "=r" (LockState) \
- : \
- : "r1" \
- );
-
- #define SEGGER_RTT_UNLOCK() __asm volatile ("mov r0, %0 \n\t" \
- "mrs r1, CPSR \n\t" \
- "bic r1, r1, #0xC0 \n\t" \
- "and r0, r0, #0xC0 \n\t" \
- "orr r1, r1, r0 \n\t" \
- "msr CPSR_c, r1 \n\t" \
- : \
- : "r" (LockState) \
- : "r0", "r1" \
- ); \
- }
- #elif defined(__riscv) || defined(__riscv_xlen)
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- __asm volatile ("csrr %0, mstatus \n\t" \
- "csrci mstatus, 8 \n\t" \
- "andi %0, %0, 8 \n\t" \
- : "=r" (LockState) \
- : \
- : \
- );
-
- #define SEGGER_RTT_UNLOCK() __asm volatile ("csrr a1, mstatus \n\t" \
- "or %0, %0, a1 \n\t" \
- "csrs mstatus, %0 \n\t" \
- : \
- : "r" (LockState) \
- : "a1" \
- ); \
- }
- #else
- #define SEGGER_RTT_LOCK()
- #define SEGGER_RTT_UNLOCK()
- #endif
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for IAR EWARM
-*/
-#ifdef __ICCARM__
- #if (defined (__ARM6M__) && (__CORE__ == __ARM6M__)) || \
- (defined (__ARM8M_BASELINE__) && (__CORE__ == __ARM8M_BASELINE__))
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- LockState = __get_PRIMASK(); \
- __set_PRIMASK(1);
-
- #define SEGGER_RTT_UNLOCK() __set_PRIMASK(LockState); \
- }
- #elif (defined (__ARM7EM__) && (__CORE__ == __ARM7EM__)) || \
- (defined (__ARM7M__) && (__CORE__ == __ARM7M__)) || \
- (defined (__ARM8M_MAINLINE__) && (__CORE__ == __ARM8M_MAINLINE__)) || \
- (defined (__ARM8M_MAINLINE__) && (__CORE__ == __ARM8M_MAINLINE__))
- #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
- #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
- #endif
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- LockState = __get_BASEPRI(); \
- __set_BASEPRI(SEGGER_RTT_MAX_INTERRUPT_PRIORITY);
-
- #define SEGGER_RTT_UNLOCK() __set_BASEPRI(LockState); \
- }
- #endif
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for IAR RX
-*/
-#ifdef __ICCRX__
- #define SEGGER_RTT_LOCK() { \
- unsigned long LockState; \
- LockState = __get_interrupt_state(); \
- __disable_interrupt();
-
- #define SEGGER_RTT_UNLOCK() __set_interrupt_state(LockState); \
- }
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for IAR RL78
-*/
-#ifdef __ICCRL78__
- #define SEGGER_RTT_LOCK() { \
- __istate_t LockState; \
- LockState = __get_interrupt_state(); \
- __disable_interrupt();
-
- #define SEGGER_RTT_UNLOCK() __set_interrupt_state(LockState); \
- }
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for KEIL ARM
-*/
-#ifdef __CC_ARM
- #if (defined __TARGET_ARCH_6S_M)
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- register unsigned char PRIMASK __asm( "primask"); \
- LockState = PRIMASK; \
- PRIMASK = 1u; \
- __schedule_barrier();
-
- #define SEGGER_RTT_UNLOCK() PRIMASK = LockState; \
- __schedule_barrier(); \
- }
- #elif (defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M))
- #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
- #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
- #endif
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- register unsigned char BASEPRI __asm( "basepri"); \
- LockState = BASEPRI; \
- BASEPRI = SEGGER_RTT_MAX_INTERRUPT_PRIORITY; \
- __schedule_barrier();
-
- #define SEGGER_RTT_UNLOCK() BASEPRI = LockState; \
- __schedule_barrier(); \
- }
- #endif
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for TI ARM
-*/
-#ifdef __TI_ARM__
- #if defined (__TI_ARM_V6M0__)
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- LockState = __get_PRIMASK(); \
- __set_PRIMASK(1);
-
- #define SEGGER_RTT_UNLOCK() __set_PRIMASK(LockState); \
- }
- #elif (defined (__TI_ARM_V7M3__) || defined (__TI_ARM_V7M4__))
- #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
- #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
- #endif
- #define SEGGER_RTT_LOCK() { \
- unsigned int LockState; \
- LockState = _set_interrupt_priority(SEGGER_RTT_MAX_INTERRUPT_PRIORITY);
-
- #define SEGGER_RTT_UNLOCK() _set_interrupt_priority(LockState); \
- }
- #endif
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for CCRX
-*/
-#ifdef __RX
- #define SEGGER_RTT_LOCK() { \
- unsigned long LockState; \
- LockState = get_psw() & 0x010000; \
- clrpsw_i();
-
- #define SEGGER_RTT_UNLOCK() set_psw(get_psw() | LockState); \
- }
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration for embOS Simulation on Windows
-* (Can also be used for generic RTT locking with embOS)
-*/
-#if defined(WIN32) || defined(SEGGER_RTT_LOCK_EMBOS)
-
-void OS_SIM_EnterCriticalSection(void);
-void OS_SIM_LeaveCriticalSection(void);
-
-#define SEGGER_RTT_LOCK() { \
- OS_SIM_EnterCriticalSection();
-
-#define SEGGER_RTT_UNLOCK() OS_SIM_LeaveCriticalSection(); \
- }
-#endif
-
-/*********************************************************************
-*
-* RTT lock configuration fallback
-*/
-#ifndef SEGGER_RTT_LOCK
- #define SEGGER_RTT_LOCK() // Lock RTT (nestable) (i.e. disable interrupts)
-#endif
-
-#ifndef SEGGER_RTT_UNLOCK
- #define SEGGER_RTT_UNLOCK() // Unlock RTT (nestable) (i.e. enable previous interrupt lock state)
-#endif
-
-#endif
-/*************************** End of file ****************************/
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