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Diff: core_cm3.h
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diff -r 000000000000 -r 8ad47e2b6f00 core_cm3.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core_cm3.h Sat Jan 30 13:00:39 2016 +0000 @@ -0,0 +1,1241 @@ +/**************************************************************************//** + * @file core_cm3.h + * @brief CMSIS Cortex-M3 Core Peripheral Access Layer Header File + * @version V2.01 + * @date 06. December 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef __CORE_CM3_H_GENERIC +#define __CORE_CM3_H_GENERIC + + +/** \mainpage CMSIS Cortex-M3 + + This documentation describes the CMSIS Cortex-M Core Peripheral Access Layer. + It consists of: + + - Cortex-M Core Register Definitions + - Cortex-M functions + - Cortex-M instructions + + The CMSIS Cortex-M3 Core Peripheral Access Layer contains C and assembly functions that ease + access to the Cortex-M Core + */ + +/** \defgroup CMSIS_LintCinfiguration CMSIS Lint Configuration + List of Lint messages which will be suppressed and not shown: + - not yet checked + . + Note: To re-enable a Message, insert a space before 'lint' * + + */ + + +/******************************************************************************* + * CMSIS definitions + ******************************************************************************/ +/** \defgroup CMSIS_core_definitions CMSIS Core Definitions + This file defines all structures and symbols for CMSIS core: + - CMSIS version number + - Cortex-M core + - Cortex-M core Revision Number + @{ + */ + +/* CMSIS CM3 definitions */ +#define __CM3_CMSIS_VERSION_MAIN (0x02) /*!< [31:16] CMSIS HAL main version */ +#define __CM3_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */ +#define __CM3_CMSIS_VERSION ((__CM3_CMSIS_VERSION_MAIN << 16) | __CM3_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */ + +#define __CORTEX_M (0x03) /*!< Cortex core */ + + +#if defined ( __CC_ARM ) + #define __ASM __asm /*!< asm keyword for ARM Compiler */ + #define __INLINE __inline /*!< inline keyword for ARM Compiler */ + +#elif defined ( __ICCARM__ ) + #define __ASM __asm /*!< asm keyword for IAR Compiler */ + #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */ + +#elif defined ( __GNUC__ ) + #define __ASM __asm /*!< asm keyword for GNU Compiler */ + #define __INLINE inline /*!< inline keyword for GNU Compiler */ + +#elif defined ( __TASKING__ ) + #define __ASM __asm /*!< asm keyword for TASKING Compiler */ + #define __INLINE inline /*!< inline keyword for TASKING Compiler */ + +#endif + +#include <stdint.h> /*!< standard types definitions */ +#include "core_cmInstr.h" /*!< Core Instruction Access */ +#include "core_cmFunc.h" /*!< Core Function Access */ + +#endif /* __CORE_CM3_H_GENERIC */ + + +#ifndef __CMSIS_GENERIC + +#ifndef __CORE_CM3_H_DEPENDANT +#define __CORE_CM3_H_DEPENDANT + +/* IO definitions (access restrictions to peripheral registers) */ +#ifdef __cplusplus + #define __I volatile /*!< defines 'read only' permissions */ +#else + #define __I volatile const /*!< defines 'read only' permissions */ +#endif +#define __O volatile /*!< defines 'write only' permissions */ +#define __IO volatile /*!< defines 'read / write' permissions */ + +/*@} end of group CMSIS_core_definitions */ + + + +/******************************************************************************* + * Register Abstraction + ******************************************************************************/ +/** \defgroup CMSIS_core_register CMSIS Core Register + Core Register contain: + - Core Register + - Core NVIC Register + - Core SCB Register + - Core SysTick Register + - Core Debug Register + - Core MPU Register +*/ + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_CORE CMSIS Core + Type definitions for the Cortex-M Core Registers + @{ + */ + +/** \brief Union type to access the Application Program Status Register (APSR). + */ +typedef union +{ + struct + { +#if (__CORTEX_M != 0x04) + uint32_t _reserved0:27; /*!< bit: 0..26 Reserved */ +#else + uint32_t _reserved0:16; /*!< bit: 0..15 Reserved */ + uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ + uint32_t _reserved1:7; /*!< bit: 20..26 Reserved */ +#endif + uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ + uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ + uint32_t C:1; /*!< bit: 29 Carry condition code flag */ + uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ + uint32_t N:1; /*!< bit: 31 Negative condition code flag */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} APSR_Type; + + +/** \brief Union type to access the Interrupt Program Status Register (IPSR). + */ +typedef union +{ + struct + { + uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ + uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} IPSR_Type; + + +/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR). + */ +typedef union +{ + struct + { + uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ +#if (__CORTEX_M != 0x04) + uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ +#else + uint32_t _reserved0:7; /*!< bit: 9..15 Reserved */ + uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ + uint32_t _reserved1:4; /*!< bit: 20..23 Reserved */ +#endif + uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ + uint32_t IT:2; /*!< bit: 25..26 saved IT state (read 0) */ + uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ + uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ + uint32_t C:1; /*!< bit: 29 Carry condition code flag */ + uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ + uint32_t N:1; /*!< bit: 31 Negative condition code flag */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} xPSR_Type; + + +/** \brief Union type to access the Control Registers (CONTROL). + */ +typedef union +{ + struct + { + uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */ + uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ + uint32_t FPCA:1; /*!< bit: 2 FP extension active flag */ + uint32_t _reserved0:29; /*!< bit: 3..31 Reserved */ + } b; /*!< Structure used for bit access */ + uint32_t w; /*!< Type used for word access */ +} CONTROL_Type; + +/*@} end of group CMSIS_CORE */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_NVIC CMSIS NVIC + Type definitions for the Cortex-M NVIC Registers + @{ + */ + +/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). + */ +typedef struct +{ + __IO uint32_t ISER[8]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ + uint32_t RESERVED0[24]; + __IO uint32_t ICER[8]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ + uint32_t RSERVED1[24]; + __IO uint32_t ISPR[8]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ + uint32_t RESERVED2[24]; + __IO uint32_t ICPR[8]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ + uint32_t RESERVED3[24]; + __IO uint32_t IABR[8]; /*!< Offset: 0x200 (R/W) Interrupt Active bit Register */ + uint32_t RESERVED4[56]; + __IO uint8_t IP[240]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register (8Bit wide) */ + uint32_t RESERVED5[644]; + __O uint32_t STIR; /*!< Offset: 0xE00 ( /W) Software Trigger Interrupt Register */ +} NVIC_Type; + +/*@} end of group CMSIS_NVIC */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_SCB CMSIS SCB + Type definitions for the Cortex-M System Control Block Registers + @{ + */ + +/** \brief Structure type to access the System Control Block (SCB). + */ +typedef struct +{ + __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPU ID Base Register */ + __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control State Register */ + __IO uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ + __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt / Reset Control Register */ + __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ + __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ + __IO uint8_t SHP[12]; /*!< Offset: 0x018 (R/W) System Handlers Priority Registers (4-7, 8-11, 12-15) */ + __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ + __IO uint32_t CFSR; /*!< Offset: 0x028 (R/W) Configurable Fault Status Register */ + __IO uint32_t HFSR; /*!< Offset: 0x02C (R/W) Hard Fault Status Register */ + __IO uint32_t DFSR; /*!< Offset: 0x030 (R/W) Debug Fault Status Register */ + __IO uint32_t MMFAR; /*!< Offset: 0x034 (R/W) Mem Manage Address Register */ + __IO uint32_t BFAR; /*!< Offset: 0x038 (R/W) Bus Fault Address Register */ + __IO uint32_t AFSR; /*!< Offset: 0x03C (R/W) Auxiliary Fault Status Register */ + __I uint32_t PFR[2]; /*!< Offset: 0x040 (R/ ) Processor Feature Register */ + __I uint32_t DFR; /*!< Offset: 0x048 (R/ ) Debug Feature Register */ + __I uint32_t ADR; /*!< Offset: 0x04C (R/ ) Auxiliary Feature Register */ + __I uint32_t MMFR[4]; /*!< Offset: 0x050 (R/ ) Memory Model Feature Register */ + __I uint32_t ISAR[5]; /*!< Offset: 0x060 (R/ ) ISA Feature Register */ +} SCB_Type; + +/* SCB CPUID Register Definitions */ +#define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */ +#define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ + +#define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */ +#define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ + +#define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */ +#define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ + +#define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */ +#define SCB_CPUID_REVISION_Msk (0xFUL << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */ + +/* SCB Interrupt Control State Register Definitions */ +#define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */ +#define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ + +#define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */ +#define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ + +#define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */ +#define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ + +#define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */ +#define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ + +#define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */ +#define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ + +#define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */ +#define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ + +#define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */ +#define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ + +#define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */ +#define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ + +#define SCB_ICSR_RETTOBASE_Pos 11 /*!< SCB ICSR: RETTOBASE Position */ +#define SCB_ICSR_RETTOBASE_Msk (1UL << SCB_ICSR_RETTOBASE_Pos) /*!< SCB ICSR: RETTOBASE Mask */ + +#define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */ +#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */ + +/* SCB Interrupt Control State Register Definitions */ +#define SCB_VTOR_TBLBASE_Pos 29 /*!< SCB VTOR: TBLBASE Position */ +#define SCB_VTOR_TBLBASE_Msk (1UL << SCB_VTOR_TBLBASE_Pos) /*!< SCB VTOR: TBLBASE Mask */ + +#define SCB_VTOR_TBLOFF_Pos 7 /*!< SCB VTOR: TBLOFF Position */ +#define SCB_VTOR_TBLOFF_Msk (0x3FFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ + +/* SCB Application Interrupt and Reset Control Register Definitions */ +#define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */ +#define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ + +#define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */ +#define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ + +#define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */ +#define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ + +#define SCB_AIRCR_PRIGROUP_Pos 8 /*!< SCB AIRCR: PRIGROUP Position */ +#define SCB_AIRCR_PRIGROUP_Msk (7UL << SCB_AIRCR_PRIGROUP_Pos) /*!< SCB AIRCR: PRIGROUP Mask */ + +#define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */ +#define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ + +#define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */ +#define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ + +#define SCB_AIRCR_VECTRESET_Pos 0 /*!< SCB AIRCR: VECTRESET Position */ +#define SCB_AIRCR_VECTRESET_Msk (1UL << SCB_AIRCR_VECTRESET_Pos) /*!< SCB AIRCR: VECTRESET Mask */ + +/* SCB System Control Register Definitions */ +#define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */ +#define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ + +#define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */ +#define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ + +#define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */ +#define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ + +/* SCB Configuration Control Register Definitions */ +#define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */ +#define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ + +#define SCB_CCR_BFHFNMIGN_Pos 8 /*!< SCB CCR: BFHFNMIGN Position */ +#define SCB_CCR_BFHFNMIGN_Msk (1UL << SCB_CCR_BFHFNMIGN_Pos) /*!< SCB CCR: BFHFNMIGN Mask */ + +#define SCB_CCR_DIV_0_TRP_Pos 4 /*!< SCB CCR: DIV_0_TRP Position */ +#define SCB_CCR_DIV_0_TRP_Msk (1UL << SCB_CCR_DIV_0_TRP_Pos) /*!< SCB CCR: DIV_0_TRP Mask */ + +#define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */ +#define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ + +#define SCB_CCR_USERSETMPEND_Pos 1 /*!< SCB CCR: USERSETMPEND Position */ +#define SCB_CCR_USERSETMPEND_Msk (1UL << SCB_CCR_USERSETMPEND_Pos) /*!< SCB CCR: USERSETMPEND Mask */ + +#define SCB_CCR_NONBASETHRDENA_Pos 0 /*!< SCB CCR: NONBASETHRDENA Position */ +#define SCB_CCR_NONBASETHRDENA_Msk (1UL << SCB_CCR_NONBASETHRDENA_Pos) /*!< SCB CCR: NONBASETHRDENA Mask */ + +/* SCB System Handler Control and State Register Definitions */ +#define SCB_SHCSR_USGFAULTENA_Pos 18 /*!< SCB SHCSR: USGFAULTENA Position */ +#define SCB_SHCSR_USGFAULTENA_Msk (1UL << SCB_SHCSR_USGFAULTENA_Pos) /*!< SCB SHCSR: USGFAULTENA Mask */ + +#define SCB_SHCSR_BUSFAULTENA_Pos 17 /*!< SCB SHCSR: BUSFAULTENA Position */ +#define SCB_SHCSR_BUSFAULTENA_Msk (1UL << SCB_SHCSR_BUSFAULTENA_Pos) /*!< SCB SHCSR: BUSFAULTENA Mask */ + +#define SCB_SHCSR_MEMFAULTENA_Pos 16 /*!< SCB SHCSR: MEMFAULTENA Position */ +#define SCB_SHCSR_MEMFAULTENA_Msk (1UL << SCB_SHCSR_MEMFAULTENA_Pos) /*!< SCB SHCSR: MEMFAULTENA Mask */ + +#define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */ +#define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ + +#define SCB_SHCSR_BUSFAULTPENDED_Pos 14 /*!< SCB SHCSR: BUSFAULTPENDED Position */ +#define SCB_SHCSR_BUSFAULTPENDED_Msk (1UL << SCB_SHCSR_BUSFAULTPENDED_Pos) /*!< SCB SHCSR: BUSFAULTPENDED Mask */ + +#define SCB_SHCSR_MEMFAULTPENDED_Pos 13 /*!< SCB SHCSR: MEMFAULTPENDED Position */ +#define SCB_SHCSR_MEMFAULTPENDED_Msk (1UL << SCB_SHCSR_MEMFAULTPENDED_Pos) /*!< SCB SHCSR: MEMFAULTPENDED Mask */ + +#define SCB_SHCSR_USGFAULTPENDED_Pos 12 /*!< SCB SHCSR: USGFAULTPENDED Position */ +#define SCB_SHCSR_USGFAULTPENDED_Msk (1UL << SCB_SHCSR_USGFAULTPENDED_Pos) /*!< SCB SHCSR: USGFAULTPENDED Mask */ + +#define SCB_SHCSR_SYSTICKACT_Pos 11 /*!< SCB SHCSR: SYSTICKACT Position */ +#define SCB_SHCSR_SYSTICKACT_Msk (1UL << SCB_SHCSR_SYSTICKACT_Pos) /*!< SCB SHCSR: SYSTICKACT Mask */ + +#define SCB_SHCSR_PENDSVACT_Pos 10 /*!< SCB SHCSR: PENDSVACT Position */ +#define SCB_SHCSR_PENDSVACT_Msk (1UL << SCB_SHCSR_PENDSVACT_Pos) /*!< SCB SHCSR: PENDSVACT Mask */ + +#define SCB_SHCSR_MONITORACT_Pos 8 /*!< SCB SHCSR: MONITORACT Position */ +#define SCB_SHCSR_MONITORACT_Msk (1UL << SCB_SHCSR_MONITORACT_Pos) /*!< SCB SHCSR: MONITORACT Mask */ + +#define SCB_SHCSR_SVCALLACT_Pos 7 /*!< SCB SHCSR: SVCALLACT Position */ +#define SCB_SHCSR_SVCALLACT_Msk (1UL << SCB_SHCSR_SVCALLACT_Pos) /*!< SCB SHCSR: SVCALLACT Mask */ + +#define SCB_SHCSR_USGFAULTACT_Pos 3 /*!< SCB SHCSR: USGFAULTACT Position */ +#define SCB_SHCSR_USGFAULTACT_Msk (1UL << SCB_SHCSR_USGFAULTACT_Pos) /*!< SCB SHCSR: USGFAULTACT Mask */ + +#define SCB_SHCSR_BUSFAULTACT_Pos 1 /*!< SCB SHCSR: BUSFAULTACT Position */ +#define SCB_SHCSR_BUSFAULTACT_Msk (1UL << SCB_SHCSR_BUSFAULTACT_Pos) /*!< SCB SHCSR: BUSFAULTACT Mask */ + +#define SCB_SHCSR_MEMFAULTACT_Pos 0 /*!< SCB SHCSR: MEMFAULTACT Position */ +#define SCB_SHCSR_MEMFAULTACT_Msk (1UL << SCB_SHCSR_MEMFAULTACT_Pos) /*!< SCB SHCSR: MEMFAULTACT Mask */ + +/* SCB Configurable Fault Status Registers Definitions */ +#define SCB_CFSR_USGFAULTSR_Pos 16 /*!< SCB CFSR: Usage Fault Status Register Position */ +#define SCB_CFSR_USGFAULTSR_Msk (0xFFFFUL << SCB_CFSR_USGFAULTSR_Pos) /*!< SCB CFSR: Usage Fault Status Register Mask */ + +#define SCB_CFSR_BUSFAULTSR_Pos 8 /*!< SCB CFSR: Bus Fault Status Register Position */ +#define SCB_CFSR_BUSFAULTSR_Msk (0xFFUL << SCB_CFSR_BUSFAULTSR_Pos) /*!< SCB CFSR: Bus Fault Status Register Mask */ + +#define SCB_CFSR_MEMFAULTSR_Pos 0 /*!< SCB CFSR: Memory Manage Fault Status Register Position */ +#define SCB_CFSR_MEMFAULTSR_Msk (0xFFUL << SCB_CFSR_MEMFAULTSR_Pos) /*!< SCB CFSR: Memory Manage Fault Status Register Mask */ + +/* SCB Hard Fault Status Registers Definitions */ +#define SCB_HFSR_DEBUGEVT_Pos 31 /*!< SCB HFSR: DEBUGEVT Position */ +#define SCB_HFSR_DEBUGEVT_Msk (1UL << SCB_HFSR_DEBUGEVT_Pos) /*!< SCB HFSR: DEBUGEVT Mask */ + +#define SCB_HFSR_FORCED_Pos 30 /*!< SCB HFSR: FORCED Position */ +#define SCB_HFSR_FORCED_Msk (1UL << SCB_HFSR_FORCED_Pos) /*!< SCB HFSR: FORCED Mask */ + +#define SCB_HFSR_VECTTBL_Pos 1 /*!< SCB HFSR: VECTTBL Position */ +#define SCB_HFSR_VECTTBL_Msk (1UL << SCB_HFSR_VECTTBL_Pos) /*!< SCB HFSR: VECTTBL Mask */ + +/* SCB Debug Fault Status Register Definitions */ +#define SCB_DFSR_EXTERNAL_Pos 4 /*!< SCB DFSR: EXTERNAL Position */ +#define SCB_DFSR_EXTERNAL_Msk (1UL << SCB_DFSR_EXTERNAL_Pos) /*!< SCB DFSR: EXTERNAL Mask */ + +#define SCB_DFSR_VCATCH_Pos 3 /*!< SCB DFSR: VCATCH Position */ +#define SCB_DFSR_VCATCH_Msk (1UL << SCB_DFSR_VCATCH_Pos) /*!< SCB DFSR: VCATCH Mask */ + +#define SCB_DFSR_DWTTRAP_Pos 2 /*!< SCB DFSR: DWTTRAP Position */ +#define SCB_DFSR_DWTTRAP_Msk (1UL << SCB_DFSR_DWTTRAP_Pos) /*!< SCB DFSR: DWTTRAP Mask */ + +#define SCB_DFSR_BKPT_Pos 1 /*!< SCB DFSR: BKPT Position */ +#define SCB_DFSR_BKPT_Msk (1UL << SCB_DFSR_BKPT_Pos) /*!< SCB DFSR: BKPT Mask */ + +#define SCB_DFSR_HALTED_Pos 0 /*!< SCB DFSR: HALTED Position */ +#define SCB_DFSR_HALTED_Msk (1UL << SCB_DFSR_HALTED_Pos) /*!< SCB DFSR: HALTED Mask */ + +/*@} end of group CMSIS_SCB */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_SysTick CMSIS SysTick + Type definitions for the Cortex-M System Timer Registers + @{ + */ + +/** \brief Structure type to access the System Timer (SysTick). + */ +typedef struct +{ + __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ + __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ + __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ + __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ +} SysTick_Type; + +/* SysTick Control / Status Register Definitions */ +#define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */ +#define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ + +#define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ +#define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ + +#define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */ +#define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ + +#define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */ +#define SysTick_CTRL_ENABLE_Msk (1UL << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */ + +/* SysTick Reload Register Definitions */ +#define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */ +#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */ + +/* SysTick Current Register Definitions */ +#define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */ +#define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */ + +/* SysTick Calibration Register Definitions */ +#define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */ +#define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ + +#define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */ +#define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ + +#define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */ +#define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick CALIB: TENMS Mask */ + +/*@} end of group CMSIS_SysTick */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_ITM CMSIS ITM + Type definitions for the Cortex-M Instrumentation Trace Macrocell (ITM) + @{ + */ + +/** \brief Structure type to access the Instrumentation Trace Macrocell Register (ITM). + */ +typedef struct +{ + __O union + { + __O uint8_t u8; /*!< Offset: 0x000 ( /W) ITM Stimulus Port 8-bit */ + __O uint16_t u16; /*!< Offset: 0x000 ( /W) ITM Stimulus Port 16-bit */ + __O uint32_t u32; /*!< Offset: 0x000 ( /W) ITM Stimulus Port 32-bit */ + } PORT [32]; /*!< Offset: 0x000 ( /W) ITM Stimulus Port Registers */ + uint32_t RESERVED0[864]; + __IO uint32_t TER; /*!< Offset: (R/W) ITM Trace Enable Register */ + uint32_t RESERVED1[15]; + __IO uint32_t TPR; /*!< Offset: (R/W) ITM Trace Privilege Register */ + uint32_t RESERVED2[15]; + __IO uint32_t TCR; /*!< Offset: (R/W) ITM Trace Control Register */ + uint32_t RESERVED3[29]; + __IO uint32_t IWR; /*!< Offset: (R/W) ITM Integration Write Register */ + __IO uint32_t IRR; /*!< Offset: (R/W) ITM Integration Read Register */ + __IO uint32_t IMCR; /*!< Offset: (R/W) ITM Integration Mode Control Register */ + uint32_t RESERVED4[43]; + __IO uint32_t LAR; /*!< Offset: (R/W) ITM Lock Access Register */ + __IO uint32_t LSR; /*!< Offset: (R/W) ITM Lock Status Register */ + uint32_t RESERVED5[6]; + __I uint32_t PID4; /*!< Offset: (R/ ) ITM Peripheral Identification Register #4 */ + __I uint32_t PID5; /*!< Offset: (R/ ) ITM Peripheral Identification Register #5 */ + __I uint32_t PID6; /*!< Offset: (R/ ) ITM Peripheral Identification Register #6 */ + __I uint32_t PID7; /*!< Offset: (R/ ) ITM Peripheral Identification Register #7 */ + __I uint32_t PID0; /*!< Offset: (R/ ) ITM Peripheral Identification Register #0 */ + __I uint32_t PID1; /*!< Offset: (R/ ) ITM Peripheral Identification Register #1 */ + __I uint32_t PID2; /*!< Offset: (R/ ) ITM Peripheral Identification Register #2 */ + __I uint32_t PID3; /*!< Offset: (R/ ) ITM Peripheral Identification Register #3 */ + __I uint32_t CID0; /*!< Offset: (R/ ) ITM Component Identification Register #0 */ + __I uint32_t CID1; /*!< Offset: (R/ ) ITM Component Identification Register #1 */ + __I uint32_t CID2; /*!< Offset: (R/ ) ITM Component Identification Register #2 */ + __I uint32_t CID3; /*!< Offset: (R/ ) ITM Component Identification Register #3 */ +} ITM_Type; + +/* ITM Trace Privilege Register Definitions */ +#define ITM_TPR_PRIVMASK_Pos 0 /*!< ITM TPR: PRIVMASK Position */ +#define ITM_TPR_PRIVMASK_Msk (0xFUL << ITM_TPR_PRIVMASK_Pos) /*!< ITM TPR: PRIVMASK Mask */ + +/* ITM Trace Control Register Definitions */ +#define ITM_TCR_BUSY_Pos 23 /*!< ITM TCR: BUSY Position */ +#define ITM_TCR_BUSY_Msk (1UL << ITM_TCR_BUSY_Pos) /*!< ITM TCR: BUSY Mask */ + +#define ITM_TCR_ATBID_Pos 16 /*!< ITM TCR: ATBID Position */ +#define ITM_TCR_ATBID_Msk (0x7FUL << ITM_TCR_ATBID_Pos) /*!< ITM TCR: ATBID Mask */ + +#define ITM_TCR_TSPrescale_Pos 8 /*!< ITM TCR: TSPrescale Position */ +#define ITM_TCR_TSPrescale_Msk (3UL << ITM_TCR_TSPrescale_Pos) /*!< ITM TCR: TSPrescale Mask */ + +#define ITM_TCR_SWOENA_Pos 4 /*!< ITM TCR: SWOENA Position */ +#define ITM_TCR_SWOENA_Msk (1UL << ITM_TCR_SWOENA_Pos) /*!< ITM TCR: SWOENA Mask */ + +#define ITM_TCR_DWTENA_Pos 3 /*!< ITM TCR: DWTENA Position */ +#define ITM_TCR_DWTENA_Msk (1UL << ITM_TCR_DWTENA_Pos) /*!< ITM TCR: DWTENA Mask */ + +#define ITM_TCR_SYNCENA_Pos 2 /*!< ITM TCR: SYNCENA Position */ +#define ITM_TCR_SYNCENA_Msk (1UL << ITM_TCR_SYNCENA_Pos) /*!< ITM TCR: SYNCENA Mask */ + +#define ITM_TCR_TSENA_Pos 1 /*!< ITM TCR: TSENA Position */ +#define ITM_TCR_TSENA_Msk (1UL << ITM_TCR_TSENA_Pos) /*!< ITM TCR: TSENA Mask */ + +#define ITM_TCR_ITMENA_Pos 0 /*!< ITM TCR: ITM Enable bit Position */ +#define ITM_TCR_ITMENA_Msk (1UL << ITM_TCR_ITMENA_Pos) /*!< ITM TCR: ITM Enable bit Mask */ + +/* ITM Integration Write Register Definitions */ +#define ITM_IWR_ATVALIDM_Pos 0 /*!< ITM IWR: ATVALIDM Position */ +#define ITM_IWR_ATVALIDM_Msk (1UL << ITM_IWR_ATVALIDM_Pos) /*!< ITM IWR: ATVALIDM Mask */ + +/* ITM Integration Read Register Definitions */ +#define ITM_IRR_ATREADYM_Pos 0 /*!< ITM IRR: ATREADYM Position */ +#define ITM_IRR_ATREADYM_Msk (1UL << ITM_IRR_ATREADYM_Pos) /*!< ITM IRR: ATREADYM Mask */ + +/* ITM Integration Mode Control Register Definitions */ +#define ITM_IMCR_INTEGRATION_Pos 0 /*!< ITM IMCR: INTEGRATION Position */ +#define ITM_IMCR_INTEGRATION_Msk (1UL << ITM_IMCR_INTEGRATION_Pos) /*!< ITM IMCR: INTEGRATION Mask */ + +/* ITM Lock Status Register Definitions */ +#define ITM_LSR_ByteAcc_Pos 2 /*!< ITM LSR: ByteAcc Position */ +#define ITM_LSR_ByteAcc_Msk (1UL << ITM_LSR_ByteAcc_Pos) /*!< ITM LSR: ByteAcc Mask */ + +#define ITM_LSR_Access_Pos 1 /*!< ITM LSR: Access Position */ +#define ITM_LSR_Access_Msk (1UL << ITM_LSR_Access_Pos) /*!< ITM LSR: Access Mask */ + +#define ITM_LSR_Present_Pos 0 /*!< ITM LSR: Present Position */ +#define ITM_LSR_Present_Msk (1UL << ITM_LSR_Present_Pos) /*!< ITM LSR: Present Mask */ + +/*@}*/ /* end of group CMSIS_ITM */ + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_InterruptType CMSIS Interrupt Type + Type definitions for the Cortex-M Interrupt Type Register + @{ + */ + +/** \brief Structure type to access the Interrupt Type Register. + */ +typedef struct +{ + uint32_t RESERVED0; + __I uint32_t ICTR; /*!< Offset: 0x004 (R/ ) Interrupt Control Type Register */ +#if ((defined __CM3_REV) && (__CM3_REV >= 0x200)) + __IO uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */ +#else + uint32_t RESERVED1; +#endif +} InterruptType_Type; + +/* Interrupt Controller Type Register Definitions */ +#define IntType_ICTR_INTLINESNUM_Pos 0 /*!< InterruptType ICTR: INTLINESNUM Position */ +#define IntType_ICTR_INTLINESNUM_Msk (0x1FUL << IntType_ICTR_INTLINESNUM_Pos) /*!< InterruptType ICTR: INTLINESNUM Mask */ + +/* Auxiliary Control Register Definitions */ +#define IntType_ACTLR_DISFOLD_Pos 2 /*!< InterruptType ACTLR: DISFOLD Position */ +#define IntType_ACTLR_DISFOLD_Msk (1UL << IntType_ACTLR_DISFOLD_Pos) /*!< InterruptType ACTLR: DISFOLD Mask */ + +#define IntType_ACTLR_DISDEFWBUF_Pos 1 /*!< InterruptType ACTLR: DISDEFWBUF Position */ +#define IntType_ACTLR_DISDEFWBUF_Msk (1UL << IntType_ACTLR_DISDEFWBUF_Pos) /*!< InterruptType ACTLR: DISDEFWBUF Mask */ + +#define IntType_ACTLR_DISMCYCINT_Pos 0 /*!< InterruptType ACTLR: DISMCYCINT Position */ +#define IntType_ACTLR_DISMCYCINT_Msk (1UL << IntType_ACTLR_DISMCYCINT_Pos) /*!< InterruptType ACTLR: DISMCYCINT Mask */ + +/*@}*/ /* end of group CMSIS_InterruptType */ + + +#if (__MPU_PRESENT == 1) +/** \ingroup CMSIS_core_register + \defgroup CMSIS_MPU CMSIS MPU + Type definitions for the Cortex-M Memory Protection Unit (MPU) + @{ + */ + +/** \brief Structure type to access the Memory Protection Unit (MPU). + */ +typedef struct +{ + __I uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */ + __IO uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */ + __IO uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */ + __IO uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */ + __IO uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ + __IO uint32_t RBAR_A1; /*!< Offset: 0x014 (R/W) MPU Alias 1 Region Base Address Register */ + __IO uint32_t RASR_A1; /*!< Offset: 0x018 (R/W) MPU Alias 1 Region Attribute and Size Register */ + __IO uint32_t RBAR_A2; /*!< Offset: 0x01C (R/W) MPU Alias 2 Region Base Address Register */ + __IO uint32_t RASR_A2; /*!< Offset: 0x020 (R/W) MPU Alias 2 Region Attribute and Size Register */ + __IO uint32_t RBAR_A3; /*!< Offset: 0x024 (R/W) MPU Alias 3 Region Base Address Register */ + __IO uint32_t RASR_A3; /*!< Offset: 0x028 (R/W) MPU Alias 3 Region Attribute and Size Register */ +} MPU_Type; + +/* MPU Type Register */ +#define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */ +#define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ + +#define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */ +#define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */ + +#define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */ +#define MPU_TYPE_SEPARATE_Msk (1UL << MPU_TYPE_SEPARATE_Pos) /*!< MPU TYPE: SEPARATE Mask */ + +/* MPU Control Register */ +#define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */ +#define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */ + +#define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */ +#define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */ + +#define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */ +#define MPU_CTRL_ENABLE_Msk (1UL << MPU_CTRL_ENABLE_Pos) /*!< MPU CTRL: ENABLE Mask */ + +/* MPU Region Number Register */ +#define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */ +#define MPU_RNR_REGION_Msk (0xFFUL << MPU_RNR_REGION_Pos) /*!< MPU RNR: REGION Mask */ + +/* MPU Region Base Address Register */ +#define MPU_RBAR_ADDR_Pos 5 /*!< MPU RBAR: ADDR Position */ +#define MPU_RBAR_ADDR_Msk (0x7FFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */ + +#define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */ +#define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */ + +#define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */ +#define MPU_RBAR_REGION_Msk (0xFUL << MPU_RBAR_REGION_Pos) /*!< MPU RBAR: REGION Mask */ + +/* MPU Region Attribute and Size Register */ +#define MPU_RASR_XN_Pos 28 /*!< MPU RASR: XN Position */ +#define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: XN Mask */ + +#define MPU_RASR_AP_Pos 24 /*!< MPU RASR: AP Position */ +#define MPU_RASR_AP_Msk (7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: AP Mask */ + +#define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: TEX Position */ +#define MPU_RASR_TEX_Msk (7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: TEX Mask */ + +#define MPU_RASR_S_Pos 18 /*!< MPU RASR: Shareable bit Position */ +#define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: Shareable bit Mask */ + +#define MPU_RASR_C_Pos 17 /*!< MPU RASR: Cacheable bit Position */ +#define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: Cacheable bit Mask */ + +#define MPU_RASR_B_Pos 16 /*!< MPU RASR: Bufferable bit Position */ +#define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: Bufferable bit Mask */ + +#define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */ +#define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */ + +#define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */ +#define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */ + +#define MPU_RASR_ENA_Pos 0 /*!< MPU RASR: Region enable bit Position */ +#define MPU_RASR_ENA_Msk (0x1UL << MPU_RASR_ENA_Pos) /*!< MPU RASR: Region enable bit Disable Mask */ + +/*@} end of group CMSIS_MPU */ +#endif + + +/** \ingroup CMSIS_core_register + \defgroup CMSIS_CoreDebug CMSIS Core Debug + Type definitions for the Cortex-M Core Debug Registers + @{ + */ + +/** \brief Structure type to access the Core Debug Register (CoreDebug). + */ +typedef struct +{ + __IO uint32_t DHCSR; /*!< Offset: 0x000 (R/W) Debug Halting Control and Status Register */ + __O uint32_t DCRSR; /*!< Offset: 0x004 ( /W) Debug Core Register Selector Register */ + __IO uint32_t DCRDR; /*!< Offset: 0x008 (R/W) Debug Core Register Data Register */ + __IO uint32_t DEMCR; /*!< Offset: 0x00C (R/W) Debug Exception and Monitor Control Register */ +} CoreDebug_Type; + +/* Debug Halting Control and Status Register */ +#define CoreDebug_DHCSR_DBGKEY_Pos 16 /*!< CoreDebug DHCSR: DBGKEY Position */ +#define CoreDebug_DHCSR_DBGKEY_Msk (0xFFFFUL << CoreDebug_DHCSR_DBGKEY_Pos) /*!< CoreDebug DHCSR: DBGKEY Mask */ + +#define CoreDebug_DHCSR_S_RESET_ST_Pos 25 /*!< CoreDebug DHCSR: S_RESET_ST Position */ +#define CoreDebug_DHCSR_S_RESET_ST_Msk (1UL << CoreDebug_DHCSR_S_RESET_ST_Pos) /*!< CoreDebug DHCSR: S_RESET_ST Mask */ + +#define CoreDebug_DHCSR_S_RETIRE_ST_Pos 24 /*!< CoreDebug DHCSR: S_RETIRE_ST Position */ +#define CoreDebug_DHCSR_S_RETIRE_ST_Msk (1UL << CoreDebug_DHCSR_S_RETIRE_ST_Pos) /*!< CoreDebug DHCSR: S_RETIRE_ST Mask */ + +#define CoreDebug_DHCSR_S_LOCKUP_Pos 19 /*!< CoreDebug DHCSR: S_LOCKUP Position */ +#define CoreDebug_DHCSR_S_LOCKUP_Msk (1UL << CoreDebug_DHCSR_S_LOCKUP_Pos) /*!< CoreDebug DHCSR: S_LOCKUP Mask */ + +#define CoreDebug_DHCSR_S_SLEEP_Pos 18 /*!< CoreDebug DHCSR: S_SLEEP Position */ +#define CoreDebug_DHCSR_S_SLEEP_Msk (1UL << CoreDebug_DHCSR_S_SLEEP_Pos) /*!< CoreDebug DHCSR: S_SLEEP Mask */ + +#define CoreDebug_DHCSR_S_HALT_Pos 17 /*!< CoreDebug DHCSR: S_HALT Position */ +#define CoreDebug_DHCSR_S_HALT_Msk (1UL << CoreDebug_DHCSR_S_HALT_Pos) /*!< CoreDebug DHCSR: S_HALT Mask */ + +#define CoreDebug_DHCSR_S_REGRDY_Pos 16 /*!< CoreDebug DHCSR: S_REGRDY Position */ +#define CoreDebug_DHCSR_S_REGRDY_Msk (1UL << CoreDebug_DHCSR_S_REGRDY_Pos) /*!< CoreDebug DHCSR: S_REGRDY Mask */ + +#define CoreDebug_DHCSR_C_SNAPSTALL_Pos 5 /*!< CoreDebug DHCSR: C_SNAPSTALL Position */ +#define CoreDebug_DHCSR_C_SNAPSTALL_Msk (1UL << CoreDebug_DHCSR_C_SNAPSTALL_Pos) /*!< CoreDebug DHCSR: C_SNAPSTALL Mask */ + +#define CoreDebug_DHCSR_C_MASKINTS_Pos 3 /*!< CoreDebug DHCSR: C_MASKINTS Position */ +#define CoreDebug_DHCSR_C_MASKINTS_Msk (1UL << CoreDebug_DHCSR_C_MASKINTS_Pos) /*!< CoreDebug DHCSR: C_MASKINTS Mask */ + +#define CoreDebug_DHCSR_C_STEP_Pos 2 /*!< CoreDebug DHCSR: C_STEP Position */ +#define CoreDebug_DHCSR_C_STEP_Msk (1UL << CoreDebug_DHCSR_C_STEP_Pos) /*!< CoreDebug DHCSR: C_STEP Mask */ + +#define CoreDebug_DHCSR_C_HALT_Pos 1 /*!< CoreDebug DHCSR: C_HALT Position */ +#define CoreDebug_DHCSR_C_HALT_Msk (1UL << CoreDebug_DHCSR_C_HALT_Pos) /*!< CoreDebug DHCSR: C_HALT Mask */ + +#define CoreDebug_DHCSR_C_DEBUGEN_Pos 0 /*!< CoreDebug DHCSR: C_DEBUGEN Position */ +#define CoreDebug_DHCSR_C_DEBUGEN_Msk (1UL << CoreDebug_DHCSR_C_DEBUGEN_Pos) /*!< CoreDebug DHCSR: C_DEBUGEN Mask */ + +/* Debug Core Register Selector Register */ +#define CoreDebug_DCRSR_REGWnR_Pos 16 /*!< CoreDebug DCRSR: REGWnR Position */ +#define CoreDebug_DCRSR_REGWnR_Msk (1UL << CoreDebug_DCRSR_REGWnR_Pos) /*!< CoreDebug DCRSR: REGWnR Mask */ + +#define CoreDebug_DCRSR_REGSEL_Pos 0 /*!< CoreDebug DCRSR: REGSEL Position */ +#define CoreDebug_DCRSR_REGSEL_Msk (0x1FUL << CoreDebug_DCRSR_REGSEL_Pos) /*!< CoreDebug DCRSR: REGSEL Mask */ + +/* Debug Exception and Monitor Control Register */ +#define CoreDebug_DEMCR_TRCENA_Pos 24 /*!< CoreDebug DEMCR: TRCENA Position */ +#define CoreDebug_DEMCR_TRCENA_Msk (1UL << CoreDebug_DEMCR_TRCENA_Pos) /*!< CoreDebug DEMCR: TRCENA Mask */ + +#define CoreDebug_DEMCR_MON_REQ_Pos 19 /*!< CoreDebug DEMCR: MON_REQ Position */ +#define CoreDebug_DEMCR_MON_REQ_Msk (1UL << CoreDebug_DEMCR_MON_REQ_Pos) /*!< CoreDebug DEMCR: MON_REQ Mask */ + +#define CoreDebug_DEMCR_MON_STEP_Pos 18 /*!< CoreDebug DEMCR: MON_STEP Position */ +#define CoreDebug_DEMCR_MON_STEP_Msk (1UL << CoreDebug_DEMCR_MON_STEP_Pos) /*!< CoreDebug DEMCR: MON_STEP Mask */ + +#define CoreDebug_DEMCR_MON_PEND_Pos 17 /*!< CoreDebug DEMCR: MON_PEND Position */ +#define CoreDebug_DEMCR_MON_PEND_Msk (1UL << CoreDebug_DEMCR_MON_PEND_Pos) /*!< CoreDebug DEMCR: MON_PEND Mask */ + +#define CoreDebug_DEMCR_MON_EN_Pos 16 /*!< CoreDebug DEMCR: MON_EN Position */ +#define CoreDebug_DEMCR_MON_EN_Msk (1UL << CoreDebug_DEMCR_MON_EN_Pos) /*!< CoreDebug DEMCR: MON_EN Mask */ + +#define CoreDebug_DEMCR_VC_HARDERR_Pos 10 /*!< CoreDebug DEMCR: VC_HARDERR Position */ +#define CoreDebug_DEMCR_VC_HARDERR_Msk (1UL << CoreDebug_DEMCR_VC_HARDERR_Pos) /*!< CoreDebug DEMCR: VC_HARDERR Mask */ + +#define CoreDebug_DEMCR_VC_INTERR_Pos 9 /*!< CoreDebug DEMCR: VC_INTERR Position */ +#define CoreDebug_DEMCR_VC_INTERR_Msk (1UL << CoreDebug_DEMCR_VC_INTERR_Pos) /*!< CoreDebug DEMCR: VC_INTERR Mask */ + +#define CoreDebug_DEMCR_VC_BUSERR_Pos 8 /*!< CoreDebug DEMCR: VC_BUSERR Position */ +#define CoreDebug_DEMCR_VC_BUSERR_Msk (1UL << CoreDebug_DEMCR_VC_BUSERR_Pos) /*!< CoreDebug DEMCR: VC_BUSERR Mask */ + +#define CoreDebug_DEMCR_VC_STATERR_Pos 7 /*!< CoreDebug DEMCR: VC_STATERR Position */ +#define CoreDebug_DEMCR_VC_STATERR_Msk (1UL << CoreDebug_DEMCR_VC_STATERR_Pos) /*!< CoreDebug DEMCR: VC_STATERR Mask */ + +#define CoreDebug_DEMCR_VC_CHKERR_Pos 6 /*!< CoreDebug DEMCR: VC_CHKERR Position */ +#define CoreDebug_DEMCR_VC_CHKERR_Msk (1UL << CoreDebug_DEMCR_VC_CHKERR_Pos) /*!< CoreDebug DEMCR: VC_CHKERR Mask */ + +#define CoreDebug_DEMCR_VC_NOCPERR_Pos 5 /*!< CoreDebug DEMCR: VC_NOCPERR Position */ +#define CoreDebug_DEMCR_VC_NOCPERR_Msk (1UL << CoreDebug_DEMCR_VC_NOCPERR_Pos) /*!< CoreDebug DEMCR: VC_NOCPERR Mask */ + +#define CoreDebug_DEMCR_VC_MMERR_Pos 4 /*!< CoreDebug DEMCR: VC_MMERR Position */ +#define CoreDebug_DEMCR_VC_MMERR_Msk (1UL << CoreDebug_DEMCR_VC_MMERR_Pos) /*!< CoreDebug DEMCR: VC_MMERR Mask */ + +#define CoreDebug_DEMCR_VC_CORERESET_Pos 0 /*!< CoreDebug DEMCR: VC_CORERESET Position */ +#define CoreDebug_DEMCR_VC_CORERESET_Msk (1UL << CoreDebug_DEMCR_VC_CORERESET_Pos) /*!< CoreDebug DEMCR: VC_CORERESET Mask */ + +/*@} end of group CMSIS_CoreDebug */ + + +/** \ingroup CMSIS_core_register + @{ + */ + +/* Memory mapping of Cortex-M3 Hardware */ +#define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ +#define ITM_BASE (0xE0000000UL) /*!< ITM Base Address */ +#define CoreDebug_BASE (0xE000EDF0UL) /*!< Core Debug Base Address */ +#define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ +#define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ +#define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ + +#define InterruptType ((InterruptType_Type *) SCS_BASE) /*!< Interrupt Type Register */ +#define SCB ((SCB_Type *) SCB_BASE) /*!< SCB configuration struct */ +#define SysTick ((SysTick_Type *) SysTick_BASE) /*!< SysTick configuration struct */ +#define NVIC ((NVIC_Type *) NVIC_BASE) /*!< NVIC configuration struct */ +#define ITM ((ITM_Type *) ITM_BASE) /*!< ITM configuration struct */ +#define CoreDebug ((CoreDebug_Type *) CoreDebug_BASE) /*!< Core Debug configuration struct */ + +#if (__MPU_PRESENT == 1) + #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */ + #define MPU ((MPU_Type*) MPU_BASE) /*!< Memory Protection Unit */ +#endif + +/*@} */ + + + +/******************************************************************************* + * Hardware Abstraction Layer + ******************************************************************************/ +/** \defgroup CMSIS_Core_FunctionInterface CMSIS Core Function Interface + Core Function Interface contains: + - Core NVIC Functions + - Core SysTick Functions + - Core Debug Functions + - Core Register Access Functions +*/ + + + +/* ########################## NVIC functions #################################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_NVICFunctions CMSIS Core NVIC Functions + @{ + */ + +/** \brief Set Priority Grouping + + This function sets the priority grouping field using the required unlock sequence. + The parameter PriorityGroup is assigned to the field SCB->AIRCR [10:8] PRIGROUP field. + Only values from 0..7 are used. + In case of a conflict between priority grouping and available + priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set. + + \param [in] PriorityGroup Priority grouping field + */ +static __INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup) +{ + uint32_t reg_value; + uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */ + + reg_value = SCB->AIRCR; /* read old register configuration */ + reg_value &= ~(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_PRIGROUP_Msk); /* clear bits to change */ + reg_value = (reg_value | + (0x5FA << SCB_AIRCR_VECTKEY_Pos) | + (PriorityGroupTmp << 8)); /* Insert write key and priorty group */ + SCB->AIRCR = reg_value; +} + + +/** \brief Get Priority Grouping + + This function gets the priority grouping from NVIC Interrupt Controller. + Priority grouping is SCB->AIRCR [10:8] PRIGROUP field. + + \return Priority grouping field + */ +static __INLINE uint32_t NVIC_GetPriorityGrouping(void) +{ + return ((SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) >> SCB_AIRCR_PRIGROUP_Pos); /* read priority grouping field */ +} + + +/** \brief Enable External Interrupt + + This function enables a device specific interupt in the NVIC interrupt controller. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the external interrupt to enable + */ +static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) +{ + NVIC->ISER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* enable interrupt */ +} + + +/** \brief Disable External Interrupt + + This function disables a device specific interupt in the NVIC interrupt controller. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the external interrupt to disable + */ +static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) +{ + NVIC->ICER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* disable interrupt */ +} + + +/** \brief Get Pending Interrupt + + This function reads the pending register in the NVIC and returns the pending bit + for the specified interrupt. + + \param [in] IRQn Number of the interrupt for get pending + \return 0 Interrupt status is not pending + \return 1 Interrupt status is pending + */ +static __INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) +{ + return((uint32_t) ((NVIC->ISPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if pending else 0 */ +} + + +/** \brief Set Pending Interrupt + + This function sets the pending bit for the specified interrupt. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the interrupt for set pending + */ +static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) +{ + NVIC->ISPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* set interrupt pending */ +} + + +/** \brief Clear Pending Interrupt + + This function clears the pending bit for the specified interrupt. + The interrupt number cannot be a negative value. + + \param [in] IRQn Number of the interrupt for clear pending + */ +static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) +{ + NVIC->ICPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */ +} + + +/** \brief Get Active Interrupt + + This function reads the active register in NVIC and returns the active bit. + \param [in] IRQn Number of the interrupt for get active + \return 0 Interrupt status is not active + \return 1 Interrupt status is active + */ +static __INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn) +{ + return((uint32_t)((NVIC->IABR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if active else 0 */ +} + + +/** \brief Set Interrupt Priority + + This function sets the priority for the specified interrupt. The interrupt + number can be positive to specify an external (device specific) + interrupt, or negative to specify an internal (core) interrupt. + + Note: The priority cannot be set for every core interrupt. + + \param [in] IRQn Number of the interrupt for set priority + \param [in] priority Priority to set + */ +static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) +{ + if(IRQn < 0) + { + SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); + } /* set Priority for Cortex-M System Interrupts */ + else + { + NVIC->IP[(uint32_t)(IRQn)] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); + } /* set Priority for device specific Interrupts */ +} + + +/** \brief Get Interrupt Priority + + This function reads the priority for the specified interrupt. The interrupt + number can be positive to specify an external (device specific) + interrupt, or negative to specify an internal (core) interrupt. + + The returned priority value is automatically aligned to the implemented + priority bits of the microcontroller. + + \param [in] IRQn Number of the interrupt for get priority + \return Interrupt Priority + */ +static __INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) +{ + + if(IRQn < 0) { + return((uint32_t)(SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M system interrupts */ + else { + return((uint32_t)(NVIC->IP[(uint32_t)(IRQn)] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */ +} + + +/** \brief Encode Priority + + This function encodes the priority for an interrupt with the given priority group, + preemptive priority value and sub priority value. + In case of a conflict between priority grouping and available + priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set. + + The returned priority value can be used for NVIC_SetPriority(...) function + + \param [in] PriorityGroup Used priority group + \param [in] PreemptPriority Preemptive priority value (starting from 0) + \param [in] SubPriority Sub priority value (starting from 0) + \return Encoded priority for the interrupt + */ +static __INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority) +{ + uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */ + uint32_t PreemptPriorityBits; + uint32_t SubPriorityBits; + + PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp; + SubPriorityBits = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS; + + return ( + ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) | + ((SubPriority & ((1 << (SubPriorityBits )) - 1))) + ); +} + + +/** \brief Decode Priority + + This function decodes an interrupt priority value with the given priority group to + preemptive priority value and sub priority value. + In case of a conflict between priority grouping and available + priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set. + + The priority value can be retrieved with NVIC_GetPriority(...) function + + \param [in] Priority Priority value + \param [in] PriorityGroup Used priority group + \param [out] pPreemptPriority Preemptive priority value (starting from 0) + \param [out] pSubPriority Sub priority value (starting from 0) + */ +static __INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority) +{ + uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */ + uint32_t PreemptPriorityBits; + uint32_t SubPriorityBits; + + PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp; + SubPriorityBits = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS; + + *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1); + *pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1); +} + + +/** \brief System Reset + + This function initiate a system reset request to reset the MCU. + */ +static __INLINE void NVIC_SystemReset(void) +{ + __DSB(); /* Ensure all outstanding memory accesses included + buffered write are completed before reset */ + SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) | + (SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) | + SCB_AIRCR_SYSRESETREQ_Msk); /* Keep priority group unchanged */ + __DSB(); /* Ensure completion of memory access */ + while(1); /* wait until reset */ +} + +/*@} end of CMSIS_Core_NVICFunctions */ + + + +/* ################################## SysTick function ############################################ */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_SysTickFunctions CMSIS Core SysTick Functions + @{ + */ + +#if (__Vendor_SysTickConfig == 0) + +/** \brief System Tick Configuration + + This function initialises the system tick timer and its interrupt and start the system tick timer. + Counter is in free running mode to generate periodical interrupts. + + \param [in] ticks Number of ticks between two interrupts + \return 0 Function succeeded + \return 1 Function failed + */ +static __INLINE uint32_t SysTick_Config(uint32_t ticks) +{ + if (ticks > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */ + + SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; /* set reload register */ + NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */ + SysTick->VAL = 0; /* Load the SysTick Counter Value */ + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_TICKINT_Msk | + SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ + return (0); /* Function successful */ +} + +#endif + +/*@} end of CMSIS_Core_SysTickFunctions */ + + + +/* ##################################### Debug In/Output function ########################################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_core_DebugFunctions CMSIS Core Debug Functions + @{ + */ + +extern volatile int32_t ITM_RxBuffer; /*!< external variable to receive characters */ +#define ITM_RXBUFFER_EMPTY 0x5AA55AA5 /*!< value identifying ITM_RxBuffer is ready for next character */ + + +/** \brief ITM Send Character + + This function transmits a character via the ITM channel 0. + It just returns when no debugger is connected that has booked the output. + It is blocking when a debugger is connected, but the previous character send is not transmitted. + + \param [in] ch Character to transmit + \return Character to transmit + */ +static __INLINE uint32_t ITM_SendChar (uint32_t ch) +{ + if ((CoreDebug->DEMCR & CoreDebug_DEMCR_TRCENA_Msk) && /* Trace enabled */ + (ITM->TCR & ITM_TCR_ITMENA_Msk) && /* ITM enabled */ + (ITM->TER & (1UL << 0) ) ) /* ITM Port #0 enabled */ + { + while (ITM->PORT[0].u32 == 0); + ITM->PORT[0].u8 = (uint8_t) ch; + } + return (ch); +} + + +/** \brief ITM Receive Character + + This function inputs a character via external variable ITM_RxBuffer. + It just returns when no debugger is connected that has booked the output. + It is blocking when a debugger is connected, but the previous character send is not transmitted. + + \return Received character + \return -1 No character received + */ +static __INLINE int32_t ITM_ReceiveChar (void) { + int32_t ch = -1; /* no character available */ + + if (ITM_RxBuffer != ITM_RXBUFFER_EMPTY) { + ch = ITM_RxBuffer; + ITM_RxBuffer = ITM_RXBUFFER_EMPTY; /* ready for next character */ + } + + return (ch); +} + + +/** \brief ITM Check Character + + This function checks external variable ITM_RxBuffer whether a character is available or not. + It returns '1' if a character is available and '0' if no character is available. + + \return 0 No character available + \return 1 Character available + */ +static __INLINE int32_t ITM_CheckChar (void) { + + if (ITM_RxBuffer == ITM_RXBUFFER_EMPTY) { + return (0); /* no character available */ + } else { + return (1); /* character available */ + } +} + +/*@} end of CMSIS_core_DebugFunctions */ + +#endif /* __CORE_CM3_H_DEPENDANT */ + +#endif /* __CMSIS_GENERIC */ + +#ifdef __cplusplus +} +#endif + +/*lint -restore */ +