| /********************************************************************* |
| * SEGGER Microcontroller GmbH & Co. KG * |
| * The Embedded Experts * |
| ********************************************************************** |
| * * |
| * (c) 2014 - 2017 SEGGER Microcontroller GmbH & Co. KG * |
| * * |
| * 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 * |
| * conditions are met: * |
| * * |
| * o Redistributions of source code must retain the above copyright * |
| * notice, this list of conditions and the following disclaimer. * |
| * * |
| * o Redistributions in binary form must reproduce the above * |
| * copyright notice, this list of conditions and the following * |
| * disclaimer in the documentation and/or other materials provided * |
| * with the distribution. * |
| * * |
| * o Neither the name of SEGGER Microcontroller GmbH & Co. KG * |
| * nor the names of its contributors may be used to endorse or * |
| * promote products derived from this software without specific * |
| * prior written permission. * |
| * * |
| * 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. * |
| * * |
| ********************************************************************** |
| * * |
| * RTT version: 6.18a * |
| * * |
| ********************************************************************** |
| ---------------------------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: 7020 $ |
| |
| */ |
| |
| #ifndef SEGGER_RTT_CONF_H |
| #define SEGGER_RTT_CONF_H |
| |
| #if defined(__GNUC__) |
| #pragma GCC diagnostic ignored "-Wpedantic" |
| #endif |
| |
| #include "nordic_common.h" |
| #include "app_util_platform.h" |
| #include "sdk_config.h" |
| |
| #ifdef __IAR_SYSTEMS_ICC__ |
| #include <intrinsics.h> |
| #endif |
| |
| /********************************************************************* |
| * |
| * Defines, configurable |
| * |
| ********************************************************************** |
| */ |
| |
| #define SEGGER_RTT_MAX_NUM_UP_BUFFERS (SEGGER_RTT_CONFIG_MAX_NUM_UP_BUFFERS) // Max. number of up-buffers (T->H) available on this target (Default: 3) |
| #define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (SEGGER_RTT_CONFIG_MAX_NUM_DOWN_BUFFERS) // Max. number of down-buffers (H->T) available on this target (Default: 3) |
| |
| #define BUFFER_SIZE_UP (SEGGER_RTT_CONFIG_BUFFER_SIZE_UP) // Size of the buffer for terminal output of target, up to host (Default: 1k) |
| #define BUFFER_SIZE_DOWN (SEGGER_RTT_CONFIG_BUFFER_SIZE_DOWN) // 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 USE_RTT_ASM (0) // Use assembler version of SEGGER_RTT.c when 1 |
| |
| #define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_CONFIG_DEFAULT_MODE // Mode for pre-initialized terminal channel (buffer 0) |
| |
| |
| #define SEGGER_RTT_LOCK() CRITICAL_REGION_ENTER() |
| #define SEGGER_RTT_UNLOCK() CRITICAL_REGION_EXIT() |
| |
| /********************************************************************* |
| * |
| * 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. |
| */ |
| #define SEGGER_RTT_MEMCPY_USE_BYTELOOP 0 // 0: Use memcpy/SEGGER_RTT_MEMCPY, 1: Use a simple byte-loop |
| // |
| // 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. |
| // |
| |
| #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) // Interrupt priority to lock on SEGGER_RTT_LOCK on Cortex-M3/4 (Default: 0x20) |
| |
| /********************************************************************* |
| * |
| * RTT lock configuration for SEGGER Embedded Studio, |
| * Rowley CrossStudio and GCC |
| */ |
| #ifndef SEGGER_RTT_LOCK |
| #if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__) |
| #ifdef __ARM_ARCH_6M__ |
| #define SEGGER_RTT_LOCK() { \ |
| unsigned int LockState; \ |
| __asm volatile ("mrs %0, primask \n\t" \ |
| "mov 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__)) |
| #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" \ |
| ); \ |
| } |
| #else |
| #define SEGGER_RTT_LOCK() |
| #define SEGGER_RTT_UNLOCK() |
| #endif |
| #endif |
| |
| /********************************************************************* |
| * |
| * RTT lock configuration for IAR EWARM |
| */ |
| #ifdef __ICCARM__ |
| #if (defined (__ARM6M__) && (__CORE__ == __ARM6M__)) |
| #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__))) |
| #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 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 = OS_GetBASEPRI(); \ |
| OS_SetBASEPRI(SEGGER_RTT_MAX_INTERRUPT_PRIORITY); |
| |
| #define SEGGER_RTT_UNLOCK() OS_SetBASEPRI(LockState); \ |
| } |
| #endif |
| #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 // #ifndef SEGGER_RTT_LOCK |
| #endif |
| /*************************** End of file ****************************/ |
