Jurica Resetar / aconno_SEGGER_RTT

Segger rtt lib

Dependents:   acnSensa_LIS acd52832_Indoor_Posit_Peripheral acd52832_Indoor_Posit_Central iBeacon acnsensa ... more

SEGGER_RTT_Conf.h@0:e61e7fc7cfe1, 2017-09-22 (annotated)

Committer:
jurica238814
Date:
Fri Sep 22 10:36:47 2017 +0000
Revision:
0:e61e7fc7cfe1
SEGER RTT library init commit.

Who changed what in which revision?

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jurica238814 0:e61e7fc7cfe1 1 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 2 * SEGGER MICROCONTROLLER GmbH & Co. KG *
jurica238814 0:e61e7fc7cfe1 3 * Solutions for real time microcontroller applications *
jurica238814 0:e61e7fc7cfe1 4 **********************************************************************
jurica238814 0:e61e7fc7cfe1 5 * *
jurica238814 0:e61e7fc7cfe1 6 * (c) 2014 - 2016 SEGGER Microcontroller GmbH & Co. KG *
jurica238814 0:e61e7fc7cfe1 7 * *
jurica238814 0:e61e7fc7cfe1 8 * www.segger.com Support: support@segger.com *
jurica238814 0:e61e7fc7cfe1 9 * *
jurica238814 0:e61e7fc7cfe1 10 **********************************************************************
jurica238814 0:e61e7fc7cfe1 11 ----------------------------------------------------------------------
jurica238814 0:e61e7fc7cfe1 12 File : SEGGER_RTT_Conf.h
jurica238814 0:e61e7fc7cfe1 13 Purpose : Implementation of SEGGER real-time transfer (RTT) which
jurica238814 0:e61e7fc7cfe1 14 allows real-time communication on targets which support
jurica238814 0:e61e7fc7cfe1 15 debugger memory accesses while the CPU is running.
jurica238814 0:e61e7fc7cfe1 16 ---------------------------END-OF-HEADER------------------------------
jurica238814 0:e61e7fc7cfe1 17 */
jurica238814 0:e61e7fc7cfe1 18
jurica238814 0:e61e7fc7cfe1 19 #ifndef SEGGER_RTT_CONF_H
jurica238814 0:e61e7fc7cfe1 20 #define SEGGER_RTT_CONF_H
jurica238814 0:e61e7fc7cfe1 21
jurica238814 0:e61e7fc7cfe1 22 #ifdef __ICCARM__
jurica238814 0:e61e7fc7cfe1 23 #include <intrinsics.h>
jurica238814 0:e61e7fc7cfe1 24 #endif
jurica238814 0:e61e7fc7cfe1 25
jurica238814 0:e61e7fc7cfe1 26 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 27 *
jurica238814 0:e61e7fc7cfe1 28 * Defines, configurable
jurica238814 0:e61e7fc7cfe1 29 *
jurica238814 0:e61e7fc7cfe1 30 **********************************************************************
jurica238814 0:e61e7fc7cfe1 31 */
jurica238814 0:e61e7fc7cfe1 32
jurica238814 0:e61e7fc7cfe1 33 #define SEGGER_RTT_MAX_NUM_UP_BUFFERS (2) // Max. number of up-buffers (T->H) available on this target (Default: 2)
jurica238814 0:e61e7fc7cfe1 34 #define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (2) // Max. number of down-buffers (H->T) available on this target (Default: 2)
jurica238814 0:e61e7fc7cfe1 35
jurica238814 0:e61e7fc7cfe1 36 #define BUFFER_SIZE_UP (1024) // Size of the buffer for terminal output of target, up to host (Default: 1k)
jurica238814 0:e61e7fc7cfe1 37 #define BUFFER_SIZE_DOWN (16) // Size of the buffer for terminal input to target from host (Usually keyboard input) (Default: 16)
jurica238814 0:e61e7fc7cfe1 38
jurica238814 0:e61e7fc7cfe1 39 #define SEGGER_RTT_PRINTF_BUFFER_SIZE (64u) // Size of buffer for RTT printf to bulk-send chars via RTT (Default: 64)
jurica238814 0:e61e7fc7cfe1 40
jurica238814 0:e61e7fc7cfe1 41 #define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP // Mode for pre-initialized terminal channel (buffer 0)
jurica238814 0:e61e7fc7cfe1 42
jurica238814 0:e61e7fc7cfe1 43 //
jurica238814 0:e61e7fc7cfe1 44 // Target is not allowed to perform other RTT operations while string still has not been stored completely.
jurica238814 0:e61e7fc7cfe1 45 // Otherwise we would probably end up with a mixed string in the buffer.
jurica238814 0:e61e7fc7cfe1 46 // If using RTT from within interrupts, multiple tasks or multi processors, define the SEGGER_RTT_LOCK() and SEGGER_RTT_UNLOCK() function here.
jurica238814 0:e61e7fc7cfe1 47 //
jurica238814 0:e61e7fc7cfe1 48 // SEGGER_RTT_MAX_INTERRUPT_PRIORITY can be used in the sample lock routines on Cortex-M3/4.
jurica238814 0:e61e7fc7cfe1 49 // Make sure to mask all interrupts which can send RTT data, i.e. generate SystemView events, or cause task switches.
jurica238814 0:e61e7fc7cfe1 50 // When high-priority interrupts must not be masked while sending RTT data, SEGGER_RTT_MAX_INTERRUPT_PRIORITY needs to be adjusted accordingly.
jurica238814 0:e61e7fc7cfe1 51 // (Higher priority = lower priority number)
jurica238814 0:e61e7fc7cfe1 52 // Default value for embOS: 128u
jurica238814 0:e61e7fc7cfe1 53 // Default configuration in FreeRTOS: configMAX_SYSCALL_INTERRUPT_PRIORITY: ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
jurica238814 0:e61e7fc7cfe1 54 // In case of doubt mask all interrupts: 0u
jurica238814 0:e61e7fc7cfe1 55 //
jurica238814 0:e61e7fc7cfe1 56
jurica238814 0:e61e7fc7cfe1 57 #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) // Interrupt priority to lock on SEGGER_RTT_LOCK on Cortex-M3/4 (Default: 0x20)
jurica238814 0:e61e7fc7cfe1 58
jurica238814 0:e61e7fc7cfe1 59 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 60 *
jurica238814 0:e61e7fc7cfe1 61 * RTT lock configuration for SEGGER Embedded Studio,
jurica238814 0:e61e7fc7cfe1 62 * Rowley CrossStudio and GCC
jurica238814 0:e61e7fc7cfe1 63 */
jurica238814 0:e61e7fc7cfe1 64 #if (defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__)
jurica238814 0:e61e7fc7cfe1 65 #ifdef __ARM_ARCH_6M__
jurica238814 0:e61e7fc7cfe1 66 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 67 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 68 __asm volatile ("mrs %0, primask \n\t" \
jurica238814 0:e61e7fc7cfe1 69 "mov r1, $1 \n\t" \
jurica238814 0:e61e7fc7cfe1 70 "msr primask, r1 \n\t" \
jurica238814 0:e61e7fc7cfe1 71 : "=r" (LockState) \
jurica238814 0:e61e7fc7cfe1 72 : \
jurica238814 0:e61e7fc7cfe1 73 : "r1" \
jurica238814 0:e61e7fc7cfe1 74 );
jurica238814 0:e61e7fc7cfe1 75
jurica238814 0:e61e7fc7cfe1 76 #define SEGGER_RTT_UNLOCK() __asm volatile ("msr primask, %0 \n\t" \
jurica238814 0:e61e7fc7cfe1 77 : \
jurica238814 0:e61e7fc7cfe1 78 : "r" (LockState) \
jurica238814 0:e61e7fc7cfe1 79 : \
jurica238814 0:e61e7fc7cfe1 80 ); \
jurica238814 0:e61e7fc7cfe1 81 }
jurica238814 0:e61e7fc7cfe1 82
jurica238814 0:e61e7fc7cfe1 83 #elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__))
jurica238814 0:e61e7fc7cfe1 84 #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
jurica238814 0:e61e7fc7cfe1 85 #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
jurica238814 0:e61e7fc7cfe1 86 #endif
jurica238814 0:e61e7fc7cfe1 87 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 88 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 89 __asm volatile ("mrs %0, basepri \n\t" \
jurica238814 0:e61e7fc7cfe1 90 "mov r1, %1 \n\t" \
jurica238814 0:e61e7fc7cfe1 91 "msr basepri, r1 \n\t" \
jurica238814 0:e61e7fc7cfe1 92 : "=r" (LockState) \
jurica238814 0:e61e7fc7cfe1 93 : "i"(SEGGER_RTT_MAX_INTERRUPT_PRIORITY) \
jurica238814 0:e61e7fc7cfe1 94 : "r1" \
jurica238814 0:e61e7fc7cfe1 95 );
jurica238814 0:e61e7fc7cfe1 96
jurica238814 0:e61e7fc7cfe1 97 #define SEGGER_RTT_UNLOCK() __asm volatile ("msr basepri, %0 \n\t" \
jurica238814 0:e61e7fc7cfe1 98 : \
jurica238814 0:e61e7fc7cfe1 99 : "r" (LockState) \
jurica238814 0:e61e7fc7cfe1 100 : \
jurica238814 0:e61e7fc7cfe1 101 ); \
jurica238814 0:e61e7fc7cfe1 102 }
jurica238814 0:e61e7fc7cfe1 103
jurica238814 0:e61e7fc7cfe1 104 #elif defined(__ARM_ARCH_7A__)
jurica238814 0:e61e7fc7cfe1 105 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 106 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 107 __asm volatile ("mrs r1, CPSR \n\t" \
jurica238814 0:e61e7fc7cfe1 108 "mov %0, r1 \n\t" \
jurica238814 0:e61e7fc7cfe1 109 "orr r1, r1, #0xC0 \n\t" \
jurica238814 0:e61e7fc7cfe1 110 "msr CPSR_c, r1 \n\t" \
jurica238814 0:e61e7fc7cfe1 111 : "=r" (LockState) \
jurica238814 0:e61e7fc7cfe1 112 : \
jurica238814 0:e61e7fc7cfe1 113 : "r1" \
jurica238814 0:e61e7fc7cfe1 114 );
jurica238814 0:e61e7fc7cfe1 115
jurica238814 0:e61e7fc7cfe1 116 #define SEGGER_RTT_UNLOCK() __asm volatile ("mov r0, %0 \n\t" \
jurica238814 0:e61e7fc7cfe1 117 "mrs r1, CPSR \n\t" \
jurica238814 0:e61e7fc7cfe1 118 "bic r1, r1, #0xC0 \n\t" \
jurica238814 0:e61e7fc7cfe1 119 "and r0, r0, #0xC0 \n\t" \
jurica238814 0:e61e7fc7cfe1 120 "orr r1, r1, r0 \n\t" \
jurica238814 0:e61e7fc7cfe1 121 "msr CPSR_c, r1 \n\t" \
jurica238814 0:e61e7fc7cfe1 122 : \
jurica238814 0:e61e7fc7cfe1 123 : "r" (LockState) \
jurica238814 0:e61e7fc7cfe1 124 : "r0", "r1" \
jurica238814 0:e61e7fc7cfe1 125 ); \
jurica238814 0:e61e7fc7cfe1 126 }
jurica238814 0:e61e7fc7cfe1 127 #else
jurica238814 0:e61e7fc7cfe1 128 #define SEGGER_RTT_LOCK()
jurica238814 0:e61e7fc7cfe1 129 #define SEGGER_RTT_UNLOCK()
jurica238814 0:e61e7fc7cfe1 130 #endif
jurica238814 0:e61e7fc7cfe1 131 #endif
jurica238814 0:e61e7fc7cfe1 132
jurica238814 0:e61e7fc7cfe1 133 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 134 *
jurica238814 0:e61e7fc7cfe1 135 * RTT lock configuration for IAR EWARM
jurica238814 0:e61e7fc7cfe1 136 */
jurica238814 0:e61e7fc7cfe1 137 #ifdef __ICCARM__
jurica238814 0:e61e7fc7cfe1 138 #if (defined (__ARM6M__) && (__CORE__ == __ARM6M__))
jurica238814 0:e61e7fc7cfe1 139 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 140 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 141 LockState = __get_PRIMASK(); \
jurica238814 0:e61e7fc7cfe1 142 __set_PRIMASK(1);
jurica238814 0:e61e7fc7cfe1 143
jurica238814 0:e61e7fc7cfe1 144 #define SEGGER_RTT_UNLOCK() __set_PRIMASK(LockState); \
jurica238814 0:e61e7fc7cfe1 145 }
jurica238814 0:e61e7fc7cfe1 146 #elif ((defined (__ARM7EM__) && (__CORE__ == __ARM7EM__)) || (defined (__ARM7M__) && (__CORE__ == __ARM7M__)))
jurica238814 0:e61e7fc7cfe1 147 #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
jurica238814 0:e61e7fc7cfe1 148 #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
jurica238814 0:e61e7fc7cfe1 149 #endif
jurica238814 0:e61e7fc7cfe1 150 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 151 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 152 LockState = __get_BASEPRI(); \
jurica238814 0:e61e7fc7cfe1 153 __set_BASEPRI(SEGGER_RTT_MAX_INTERRUPT_PRIORITY);
jurica238814 0:e61e7fc7cfe1 154
jurica238814 0:e61e7fc7cfe1 155 #define SEGGER_RTT_UNLOCK() __set_BASEPRI(LockState); \
jurica238814 0:e61e7fc7cfe1 156 }
jurica238814 0:e61e7fc7cfe1 157 #endif
jurica238814 0:e61e7fc7cfe1 158 #endif
jurica238814 0:e61e7fc7cfe1 159
jurica238814 0:e61e7fc7cfe1 160 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 161 *
jurica238814 0:e61e7fc7cfe1 162 * RTT lock configuration for KEIL ARM
jurica238814 0:e61e7fc7cfe1 163 */
jurica238814 0:e61e7fc7cfe1 164 #ifdef __CC_ARM
jurica238814 0:e61e7fc7cfe1 165 #if (defined __TARGET_ARCH_6S_M)
jurica238814 0:e61e7fc7cfe1 166 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 167 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 168 register unsigned char PRIMASK __asm( "primask"); \
jurica238814 0:e61e7fc7cfe1 169 LockState = PRIMASK; \
jurica238814 0:e61e7fc7cfe1 170 PRIMASK = 1u; \
jurica238814 0:e61e7fc7cfe1 171 __schedule_barrier();
jurica238814 0:e61e7fc7cfe1 172
jurica238814 0:e61e7fc7cfe1 173 #define SEGGER_RTT_UNLOCK() PRIMASK = LockState; \
jurica238814 0:e61e7fc7cfe1 174 __schedule_barrier(); \
jurica238814 0:e61e7fc7cfe1 175 }
jurica238814 0:e61e7fc7cfe1 176 #elif (defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M))
jurica238814 0:e61e7fc7cfe1 177 #ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
jurica238814 0:e61e7fc7cfe1 178 #define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
jurica238814 0:e61e7fc7cfe1 179 #endif
jurica238814 0:e61e7fc7cfe1 180 #define SEGGER_RTT_LOCK() { \
jurica238814 0:e61e7fc7cfe1 181 unsigned int LockState; \
jurica238814 0:e61e7fc7cfe1 182 register unsigned char BASEPRI __asm( "basepri"); \
jurica238814 0:e61e7fc7cfe1 183 LockState = BASEPRI; \
jurica238814 0:e61e7fc7cfe1 184 BASEPRI = SEGGER_RTT_MAX_INTERRUPT_PRIORITY; \
jurica238814 0:e61e7fc7cfe1 185 __schedule_barrier();
jurica238814 0:e61e7fc7cfe1 186
jurica238814 0:e61e7fc7cfe1 187 #define SEGGER_RTT_UNLOCK() BASEPRI = LockState; \
jurica238814 0:e61e7fc7cfe1 188 __schedule_barrier(); \
jurica238814 0:e61e7fc7cfe1 189 }
jurica238814 0:e61e7fc7cfe1 190 #endif
jurica238814 0:e61e7fc7cfe1 191 #endif
jurica238814 0:e61e7fc7cfe1 192
jurica238814 0:e61e7fc7cfe1 193 /*********************************************************************
jurica238814 0:e61e7fc7cfe1 194 *
jurica238814 0:e61e7fc7cfe1 195 * RTT lock configuration fallback
jurica238814 0:e61e7fc7cfe1 196 */
jurica238814 0:e61e7fc7cfe1 197 #ifndef SEGGER_RTT_LOCK
jurica238814 0:e61e7fc7cfe1 198 #define SEGGER_RTT_LOCK() // Lock RTT (nestable) (i.e. disable interrupts)
jurica238814 0:e61e7fc7cfe1 199 #endif
jurica238814 0:e61e7fc7cfe1 200
jurica238814 0:e61e7fc7cfe1 201 #ifndef SEGGER_RTT_UNLOCK
jurica238814 0:e61e7fc7cfe1 202 #define SEGGER_RTT_UNLOCK() // Unlock RTT (nestable) (i.e. enable previous interrupt lock state)
jurica238814 0:e61e7fc7cfe1 203 #endif
jurica238814 0:e61e7fc7cfe1 204
jurica238814 0:e61e7fc7cfe1 205 #endif
jurica238814 0:e61e7fc7cfe1 206 /*************************** End of file ****************************/
jurica238814 0:e61e7fc7cfe1 207