Kevin Kadooka
Fork of mbed-dev build 137, last build before FAT file system appears to be broken. Also reduced HSE timeout time in STM4XX HAL
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mbed official
Diff: targets/cmsis/core_cm0.h
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 19:112740acecfa
--- a/targets/cmsis/core_cm0.h Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/cmsis/core_cm0.h Fri Sep 02 15:07:44 2016 +0100
@@ -1,740 +1,740 @@
-/**************************************************************************//**
- * @file core_cm0.h
- * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
- * @version V4.10
- * @date 18. March 2015
- *
- * @note
- *
- ******************************************************************************/
-/* Copyright (c) 2009 - 2015 ARM LIMITED
-
- All rights reserved.
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- - 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.
- - Neither the name of ARM 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 COPYRIGHT HOLDERS AND CONTRIBUTORS 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.
- ---------------------------------------------------------------------------*/
-
-
-#if defined ( __ICCARM__ )
- #pragma system_include /* treat file as system include file for MISRA check */
-#endif
-
-#ifndef __CORE_CM0_H_GENERIC
-#define __CORE_CM0_H_GENERIC
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
- CMSIS violates the following MISRA-C:2004 rules:
-
- \li Required Rule 8.5, object/function definition in header file.<br>
- Function definitions in header files are used to allow 'inlining'.
-
- \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
- Unions are used for effective representation of core registers.
-
- \li Advisory Rule 19.7, Function-like macro defined.<br>
- Function-like macros are used to allow more efficient code.
- */
-
-
-/*******************************************************************************
- * CMSIS definitions
- ******************************************************************************/
-/** \ingroup Cortex_M0
- @{
- */
-
-/* CMSIS CM0 definitions */
-#define __CM0_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */
-#define __CM0_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */
-#define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \
- __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
-
-#define __CORTEX_M (0x00) /*!< Cortex-M Core */
-
-
-#if defined ( __CC_ARM )
- #define __ASM __asm /*!< asm keyword for ARM Compiler */
- #define __INLINE __inline /*!< inline keyword for ARM Compiler */
- #define __STATIC_INLINE static __inline
-
-#elif defined ( __GNUC__ )
- #define __ASM __asm /*!< asm keyword for GNU Compiler */
- #define __INLINE inline /*!< inline keyword for GNU Compiler */
- #define __STATIC_INLINE static inline
-
-#elif defined ( __ICCARM__ )
- #define __ASM __asm /*!< asm keyword for IAR Compiler */
- #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
- #define __STATIC_INLINE static inline
-
-#elif defined ( __TMS470__ )
- #define __ASM __asm /*!< asm keyword for TI CCS Compiler */
- #define __STATIC_INLINE static inline
-
-#elif defined ( __TASKING__ )
- #define __ASM __asm /*!< asm keyword for TASKING Compiler */
- #define __INLINE inline /*!< inline keyword for TASKING Compiler */
- #define __STATIC_INLINE static inline
-
-#elif defined ( __CSMC__ )
- #define __packed
- #define __ASM _asm /*!< asm keyword for COSMIC Compiler */
- #define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */
- #define __STATIC_INLINE static inline
-
-#endif
-
-/** __FPU_USED indicates whether an FPU is used or not.
- This core does not support an FPU at all
-*/
-#define __FPU_USED 0
-
-#if defined ( __CC_ARM )
- #if defined __TARGET_FPU_VFP
- #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
- #endif
-
-#elif defined ( __GNUC__ )
- #if defined (__VFP_FP__) && !defined(__SOFTFP__)
- #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
- #endif
-
-#elif defined ( __ICCARM__ )
- #if defined __ARMVFP__
- #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
- #endif
-
-#elif defined ( __TMS470__ )
- #if defined __TI__VFP_SUPPORT____
- #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
- #endif
-
-#elif defined ( __TASKING__ )
- #if defined __FPU_VFP__
- #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
- #endif
-
-#elif defined ( __CSMC__ ) /* Cosmic */
- #if ( __CSMC__ & 0x400) // FPU present for parser
- #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
- #endif
-#endif
-
-#include <stdint.h> /* standard types definitions */
-#include <core_cmInstr.h> /* Core Instruction Access */
-#include <core_cmFunc.h> /* Core Function Access */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __CORE_CM0_H_GENERIC */
-
-#ifndef __CMSIS_GENERIC
-
-#ifndef __CORE_CM0_H_DEPENDANT
-#define __CORE_CM0_H_DEPENDANT
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* check device defines and use defaults */
-#if defined __CHECK_DEVICE_DEFINES
- #ifndef __CM0_REV
- #define __CM0_REV 0x0000
- #warning "__CM0_REV not defined in device header file; using default!"
- #endif
-
- #ifndef __NVIC_PRIO_BITS
- #define __NVIC_PRIO_BITS 2
- #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
- #endif
-
- #ifndef __Vendor_SysTickConfig
- #define __Vendor_SysTickConfig 0
- #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
- #endif
-#endif
-
-/* IO definitions (access restrictions to peripheral registers) */
-/**
- \defgroup CMSIS_glob_defs CMSIS Global Defines
-
- <strong>IO Type Qualifiers</strong> are used
- \li to specify the access to peripheral variables.
- \li for automatic generation of peripheral register debug information.
-*/
-#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 Cortex_M0 */
-
-
-
-/*******************************************************************************
- * Register Abstraction
- Core Register contain:
- - Core Register
- - Core NVIC Register
- - Core SCB Register
- - Core SysTick Register
- ******************************************************************************/
-/** \defgroup CMSIS_core_register Defines and Type Definitions
- \brief Type definitions and defines for Cortex-M processor based devices.
-*/
-
-/** \ingroup CMSIS_core_register
- \defgroup CMSIS_CORE Status and Control Registers
- \brief Core Register type definitions.
- @{
- */
-
-/** \brief Union type to access the Application Program Status Register (APSR).
- */
-typedef union
-{
- struct
- {
- uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
- 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;
-
-/* APSR Register Definitions */
-#define APSR_N_Pos 31 /*!< APSR: N Position */
-#define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
-
-#define APSR_Z_Pos 30 /*!< APSR: Z Position */
-#define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
-
-#define APSR_C_Pos 29 /*!< APSR: C Position */
-#define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
-
-#define APSR_V_Pos 28 /*!< APSR: V Position */
-#define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
-
-
-/** \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;
-
-/* IPSR Register Definitions */
-#define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */
-#define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
-
-
-/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
- */
-typedef union
-{
- struct
- {
- uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
- uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
- uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
- uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
- 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;
-
-/* xPSR Register Definitions */
-#define xPSR_N_Pos 31 /*!< xPSR: N Position */
-#define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
-
-#define xPSR_Z_Pos 30 /*!< xPSR: Z Position */
-#define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
-
-#define xPSR_C_Pos 29 /*!< xPSR: C Position */
-#define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
-
-#define xPSR_V_Pos 28 /*!< xPSR: V Position */
-#define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
-
-#define xPSR_T_Pos 24 /*!< xPSR: T Position */
-#define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
-
-#define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */
-#define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
-
-
-/** \brief Union type to access the Control Registers (CONTROL).
- */
-typedef union
-{
- struct
- {
- uint32_t _reserved0:1; /*!< bit: 0 Reserved */
- uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
- uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
- } b; /*!< Structure used for bit access */
- uint32_t w; /*!< Type used for word access */
-} CONTROL_Type;
-
-/* CONTROL Register Definitions */
-#define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */
-#define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
-
-/*@} end of group CMSIS_CORE */
-
-
-/** \ingroup CMSIS_core_register
- \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
- \brief Type definitions for the NVIC Registers
- @{
- */
-
-/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
- */
-typedef struct
-{
- __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
- uint32_t RESERVED0[31];
- __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
- uint32_t RSERVED1[31];
- __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
- uint32_t RESERVED2[31];
- __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
- uint32_t RESERVED3[31];
- uint32_t RESERVED4[64];
- __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
-} NVIC_Type;
-
-/*@} end of group CMSIS_NVIC */
-
-
-/** \ingroup CMSIS_core_register
- \defgroup CMSIS_SCB System Control Block (SCB)
- \brief Type definitions for the System Control Block Registers
- @{
- */
-
-/** \brief Structure type to access the System Control Block (SCB).
- */
-typedef struct
-{
- __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
- __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
- uint32_t RESERVED0;
- __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and 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 */
- uint32_t RESERVED1;
- __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
- __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State 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_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
-#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE 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_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
-#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE 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_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 */
-
-/* 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_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 */
-
-/* SCB System Handler Control and State Register Definitions */
-#define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
-#define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
-
-/*@} end of group CMSIS_SCB */
-
-
-/** \ingroup CMSIS_core_register
- \defgroup CMSIS_SysTick System Tick Timer (SysTick)
- \brief Type definitions for the 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_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
-
-/*@} end of group CMSIS_SysTick */
-
-
-/** \ingroup CMSIS_core_register
- \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
- \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
- are only accessible over DAP and not via processor. Therefore
- they are not covered by the Cortex-M0 header file.
- @{
- */
-/*@} end of group CMSIS_CoreDebug */
-
-
-/** \ingroup CMSIS_core_register
- \defgroup CMSIS_core_base Core Definitions
- \brief Definitions for base addresses, unions, and structures.
- @{
- */
-
-/* Memory mapping of Cortex-M0 Hardware */
-#define SCS_BASE (0xE000E000UL) /*!< System Control Space 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 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 */
-
-
-/*@} */
-
-
-
-/*******************************************************************************
- * Hardware Abstraction Layer
- Core Function Interface contains:
- - Core NVIC Functions
- - Core SysTick Functions
- - Core Register Access Functions
- ******************************************************************************/
-/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
-*/
-
-
-
-/* ########################## NVIC functions #################################### */
-/** \ingroup CMSIS_Core_FunctionInterface
- \defgroup CMSIS_Core_NVICFunctions NVIC Functions
- \brief Functions that manage interrupts and exceptions via the NVIC.
- @{
- */
-
-/* Interrupt Priorities are WORD accessible only under ARMv6M */
-/* The following MACROS handle generation of the register offset and byte masks */
-#define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
-#define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
-#define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
-
-
-/** \brief Enable External Interrupt
-
- The function enables a device-specific interrupt in the NVIC interrupt controller.
-
- \param [in] IRQn External interrupt number. Value cannot be negative.
- */
-__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
-{
- NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
-}
-
-
-/** \brief Disable External Interrupt
-
- The function disables a device-specific interrupt in the NVIC interrupt controller.
-
- \param [in] IRQn External interrupt number. Value cannot be negative.
- */
-__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
-{
- NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
-}
-
-
-/** \brief Get Pending Interrupt
-
- The function reads the pending register in the NVIC and returns the pending bit
- for the specified interrupt.
-
- \param [in] IRQn Interrupt number.
-
- \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[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
-}
-
-
-/** \brief Set Pending Interrupt
-
- The function sets the pending bit of an external interrupt.
-
- \param [in] IRQn Interrupt number. Value cannot be negative.
- */
-__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
-{
- NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
-}
-
-
-/** \brief Clear Pending Interrupt
-
- The function clears the pending bit of an external interrupt.
-
- \param [in] IRQn External interrupt number. Value cannot be negative.
- */
-__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
-{
- NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
-}
-
-
-/** \brief Set Interrupt Priority
-
- The function sets the priority of an interrupt.
-
- \note The priority cannot be set for every core interrupt.
-
- \param [in] IRQn Interrupt number.
- \param [in] priority Priority to set.
- */
-__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
-{
- if((int32_t)(IRQn) < 0) {
- SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
- (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
- }
- else {
- NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
- (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
- }
-}
-
-
-/** \brief Get Interrupt Priority
-
- The function reads the priority of an interrupt. The interrupt
- number can be positive to specify an external (device specific)
- interrupt, or negative to specify an internal (core) interrupt.
-
-
- \param [in] IRQn Interrupt number.
- \return Interrupt Priority. Value is aligned automatically to the implemented
- priority bits of the microcontroller.
- */
-__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
-{
-
- if((int32_t)(IRQn) < 0) {
- return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
- }
- else {
- return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
- }
-}
-
-
-/** \brief System Reset
-
- The function initiates 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 = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
- SCB_AIRCR_SYSRESETREQ_Msk);
- __DSB(); /* Ensure completion of memory access */
- while(1) { __NOP(); } /* wait until reset */
-}
-
-/*@} end of CMSIS_Core_NVICFunctions */
-
-
-
-/* ################################## SysTick function ############################################ */
-/** \ingroup CMSIS_Core_FunctionInterface
- \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
- \brief Functions that configure the System.
- @{
- */
-
-#if (__Vendor_SysTickConfig == 0)
-
-/** \brief System Tick Configuration
-
- The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
- Counter is in free running mode to generate periodic interrupts.
-
- \param [in] ticks Number of ticks between two interrupts.
-
- \return 0 Function succeeded.
- \return 1 Function failed.
-
- \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
- function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
- must contain a vendor-specific implementation of this function.
-
- */
-__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
-{
- if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) { return (1UL); } /* Reload value impossible */
-
- SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
- NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
- SysTick->VAL = 0UL; /* 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 (0UL); /* Function successful */
-}
-
-#endif
-
-/*@} end of CMSIS_Core_SysTickFunctions */
-
-
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __CORE_CM0_H_DEPENDANT */
-
-#endif /* __CMSIS_GENERIC */
+/**************************************************************************//**
+ * @file core_cm0.h
+ * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
+ * @version V4.10
+ * @date 18. March 2015
+ *
+ * @note
+ *
+ ******************************************************************************/
+/* Copyright (c) 2009 - 2015 ARM LIMITED
+
+ All rights reserved.
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ - 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.
+ - Neither the name of ARM 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 COPYRIGHT HOLDERS AND CONTRIBUTORS 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.
+ ---------------------------------------------------------------------------*/
+
+
+#if defined ( __ICCARM__ )
+ #pragma system_include /* treat file as system include file for MISRA check */
+#endif
+
+#ifndef __CORE_CM0_H_GENERIC
+#define __CORE_CM0_H_GENERIC
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
+ CMSIS violates the following MISRA-C:2004 rules:
+
+ \li Required Rule 8.5, object/function definition in header file.<br>
+ Function definitions in header files are used to allow 'inlining'.
+
+ \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
+ Unions are used for effective representation of core registers.
+
+ \li Advisory Rule 19.7, Function-like macro defined.<br>
+ Function-like macros are used to allow more efficient code.
+ */
+
+
+/*******************************************************************************
+ * CMSIS definitions
+ ******************************************************************************/
+/** \ingroup Cortex_M0
+ @{
+ */
+
+/* CMSIS CM0 definitions */
+#define __CM0_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */
+#define __CM0_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */
+#define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \
+ __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
+
+#define __CORTEX_M (0x00) /*!< Cortex-M Core */
+
+
+#if defined ( __CC_ARM )
+ #define __ASM __asm /*!< asm keyword for ARM Compiler */
+ #define __INLINE __inline /*!< inline keyword for ARM Compiler */
+ #define __STATIC_INLINE static __inline
+
+#elif defined ( __GNUC__ )
+ #define __ASM __asm /*!< asm keyword for GNU Compiler */
+ #define __INLINE inline /*!< inline keyword for GNU Compiler */
+ #define __STATIC_INLINE static inline
+
+#elif defined ( __ICCARM__ )
+ #define __ASM __asm /*!< asm keyword for IAR Compiler */
+ #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
+ #define __STATIC_INLINE static inline
+
+#elif defined ( __TMS470__ )
+ #define __ASM __asm /*!< asm keyword for TI CCS Compiler */
+ #define __STATIC_INLINE static inline
+
+#elif defined ( __TASKING__ )
+ #define __ASM __asm /*!< asm keyword for TASKING Compiler */
+ #define __INLINE inline /*!< inline keyword for TASKING Compiler */
+ #define __STATIC_INLINE static inline
+
+#elif defined ( __CSMC__ )
+ #define __packed
+ #define __ASM _asm /*!< asm keyword for COSMIC Compiler */
+ #define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */
+ #define __STATIC_INLINE static inline
+
+#endif
+
+/** __FPU_USED indicates whether an FPU is used or not.
+ This core does not support an FPU at all
+*/
+#define __FPU_USED 0
+
+#if defined ( __CC_ARM )
+ #if defined __TARGET_FPU_VFP
+ #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+ #endif
+
+#elif defined ( __GNUC__ )
+ #if defined (__VFP_FP__) && !defined(__SOFTFP__)
+ #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+ #endif
+
+#elif defined ( __ICCARM__ )
+ #if defined __ARMVFP__
+ #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+ #endif
+
+#elif defined ( __TMS470__ )
+ #if defined __TI__VFP_SUPPORT____
+ #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+ #endif
+
+#elif defined ( __TASKING__ )
+ #if defined __FPU_VFP__
+ #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+ #endif
+
+#elif defined ( __CSMC__ ) /* Cosmic */
+ #if ( __CSMC__ & 0x400) // FPU present for parser
+ #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+ #endif
+#endif
+
+#include <stdint.h> /* standard types definitions */
+#include <core_cmInstr.h> /* Core Instruction Access */
+#include <core_cmFunc.h> /* Core Function Access */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CORE_CM0_H_GENERIC */
+
+#ifndef __CMSIS_GENERIC
+
+#ifndef __CORE_CM0_H_DEPENDANT
+#define __CORE_CM0_H_DEPENDANT
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* check device defines and use defaults */
+#if defined __CHECK_DEVICE_DEFINES
+ #ifndef __CM0_REV
+ #define __CM0_REV 0x0000
+ #warning "__CM0_REV not defined in device header file; using default!"
+ #endif
+
+ #ifndef __NVIC_PRIO_BITS
+ #define __NVIC_PRIO_BITS 2
+ #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
+ #endif
+
+ #ifndef __Vendor_SysTickConfig
+ #define __Vendor_SysTickConfig 0
+ #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
+ #endif
+#endif
+
+/* IO definitions (access restrictions to peripheral registers) */
+/**
+ \defgroup CMSIS_glob_defs CMSIS Global Defines
+
+ <strong>IO Type Qualifiers</strong> are used
+ \li to specify the access to peripheral variables.
+ \li for automatic generation of peripheral register debug information.
+*/
+#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 Cortex_M0 */
+
+
+
+/*******************************************************************************
+ * Register Abstraction
+ Core Register contain:
+ - Core Register
+ - Core NVIC Register
+ - Core SCB Register
+ - Core SysTick Register
+ ******************************************************************************/
+/** \defgroup CMSIS_core_register Defines and Type Definitions
+ \brief Type definitions and defines for Cortex-M processor based devices.
+*/
+
+/** \ingroup CMSIS_core_register
+ \defgroup CMSIS_CORE Status and Control Registers
+ \brief Core Register type definitions.
+ @{
+ */
+
+/** \brief Union type to access the Application Program Status Register (APSR).
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
+ 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;
+
+/* APSR Register Definitions */
+#define APSR_N_Pos 31 /*!< APSR: N Position */
+#define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
+
+#define APSR_Z_Pos 30 /*!< APSR: Z Position */
+#define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
+
+#define APSR_C_Pos 29 /*!< APSR: C Position */
+#define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
+
+#define APSR_V_Pos 28 /*!< APSR: V Position */
+#define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
+
+
+/** \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;
+
+/* IPSR Register Definitions */
+#define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */
+#define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
+
+
+/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
+ uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
+ uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
+ uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
+ 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;
+
+/* xPSR Register Definitions */
+#define xPSR_N_Pos 31 /*!< xPSR: N Position */
+#define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
+
+#define xPSR_Z_Pos 30 /*!< xPSR: Z Position */
+#define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
+
+#define xPSR_C_Pos 29 /*!< xPSR: C Position */
+#define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
+
+#define xPSR_V_Pos 28 /*!< xPSR: V Position */
+#define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
+
+#define xPSR_T_Pos 24 /*!< xPSR: T Position */
+#define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
+
+#define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */
+#define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
+
+
+/** \brief Union type to access the Control Registers (CONTROL).
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t _reserved0:1; /*!< bit: 0 Reserved */
+ uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
+ uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
+ } b; /*!< Structure used for bit access */
+ uint32_t w; /*!< Type used for word access */
+} CONTROL_Type;
+
+/* CONTROL Register Definitions */
+#define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */
+#define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
+
+/*@} end of group CMSIS_CORE */
+
+
+/** \ingroup CMSIS_core_register
+ \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
+ \brief Type definitions for the NVIC Registers
+ @{
+ */
+
+/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
+ */
+typedef struct
+{
+ __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
+ uint32_t RESERVED0[31];
+ __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
+ uint32_t RSERVED1[31];
+ __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
+ uint32_t RESERVED2[31];
+ __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
+ uint32_t RESERVED3[31];
+ uint32_t RESERVED4[64];
+ __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
+} NVIC_Type;
+
+/*@} end of group CMSIS_NVIC */
+
+
+/** \ingroup CMSIS_core_register
+ \defgroup CMSIS_SCB System Control Block (SCB)
+ \brief Type definitions for the System Control Block Registers
+ @{
+ */
+
+/** \brief Structure type to access the System Control Block (SCB).
+ */
+typedef struct
+{
+ __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
+ __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
+ uint32_t RESERVED0;
+ __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and 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 */
+ uint32_t RESERVED1;
+ __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
+ __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State 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_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
+#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE 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_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
+#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE 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_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 */
+
+/* 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_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 */
+
+/* SCB System Handler Control and State Register Definitions */
+#define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
+#define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
+
+/*@} end of group CMSIS_SCB */
+
+
+/** \ingroup CMSIS_core_register
+ \defgroup CMSIS_SysTick System Tick Timer (SysTick)
+ \brief Type definitions for the 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_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
+
+/*@} end of group CMSIS_SysTick */
+
+
+/** \ingroup CMSIS_core_register
+ \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
+ \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
+ are only accessible over DAP and not via processor. Therefore
+ they are not covered by the Cortex-M0 header file.
+ @{
+ */
+/*@} end of group CMSIS_CoreDebug */
+
+
+/** \ingroup CMSIS_core_register
+ \defgroup CMSIS_core_base Core Definitions
+ \brief Definitions for base addresses, unions, and structures.
+ @{
+ */
+
+/* Memory mapping of Cortex-M0 Hardware */
+#define SCS_BASE (0xE000E000UL) /*!< System Control Space 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 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 */
+
+
+/*@} */
+
+
+
+/*******************************************************************************
+ * Hardware Abstraction Layer
+ Core Function Interface contains:
+ - Core NVIC Functions
+ - Core SysTick Functions
+ - Core Register Access Functions
+ ******************************************************************************/
+/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
+*/
+
+
+
+/* ########################## NVIC functions #################################### */
+/** \ingroup CMSIS_Core_FunctionInterface
+ \defgroup CMSIS_Core_NVICFunctions NVIC Functions
+ \brief Functions that manage interrupts and exceptions via the NVIC.
+ @{
+ */
+
+/* Interrupt Priorities are WORD accessible only under ARMv6M */
+/* The following MACROS handle generation of the register offset and byte masks */
+#define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
+#define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
+#define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
+
+
+/** \brief Enable External Interrupt
+
+ The function enables a device-specific interrupt in the NVIC interrupt controller.
+
+ \param [in] IRQn External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+ NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+}
+
+
+/** \brief Disable External Interrupt
+
+ The function disables a device-specific interrupt in the NVIC interrupt controller.
+
+ \param [in] IRQn External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+ NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+}
+
+
+/** \brief Get Pending Interrupt
+
+ The function reads the pending register in the NVIC and returns the pending bit
+ for the specified interrupt.
+
+ \param [in] IRQn Interrupt number.
+
+ \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[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
+}
+
+
+/** \brief Set Pending Interrupt
+
+ The function sets the pending bit of an external interrupt.
+
+ \param [in] IRQn Interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+ NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+}
+
+
+/** \brief Clear Pending Interrupt
+
+ The function clears the pending bit of an external interrupt.
+
+ \param [in] IRQn External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+ NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+}
+
+
+/** \brief Set Interrupt Priority
+
+ The function sets the priority of an interrupt.
+
+ \note The priority cannot be set for every core interrupt.
+
+ \param [in] IRQn Interrupt number.
+ \param [in] priority Priority to set.
+ */
+__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
+{
+ if((int32_t)(IRQn) < 0) {
+ SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
+ (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
+ }
+ else {
+ NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
+ (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
+ }
+}
+
+
+/** \brief Get Interrupt Priority
+
+ The function reads the priority of an interrupt. The interrupt
+ number can be positive to specify an external (device specific)
+ interrupt, or negative to specify an internal (core) interrupt.
+
+
+ \param [in] IRQn Interrupt number.
+ \return Interrupt Priority. Value is aligned automatically to the implemented
+ priority bits of the microcontroller.
+ */
+__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
+{
+
+ if((int32_t)(IRQn) < 0) {
+ return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
+ }
+ else {
+ return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
+ }
+}
+
+
+/** \brief System Reset
+
+ The function initiates 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 = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
+ SCB_AIRCR_SYSRESETREQ_Msk);
+ __DSB(); /* Ensure completion of memory access */
+ while(1) { __NOP(); } /* wait until reset */
+}
+
+/*@} end of CMSIS_Core_NVICFunctions */
+
+
+
+/* ################################## SysTick function ############################################ */
+/** \ingroup CMSIS_Core_FunctionInterface
+ \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
+ \brief Functions that configure the System.
+ @{
+ */
+
+#if (__Vendor_SysTickConfig == 0)
+
+/** \brief System Tick Configuration
+
+ The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
+ Counter is in free running mode to generate periodic interrupts.
+
+ \param [in] ticks Number of ticks between two interrupts.
+
+ \return 0 Function succeeded.
+ \return 1 Function failed.
+
+ \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
+ function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
+ must contain a vendor-specific implementation of this function.
+
+ */
+__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
+{
+ if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) { return (1UL); } /* Reload value impossible */
+
+ SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
+ NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
+ SysTick->VAL = 0UL; /* 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 (0UL); /* Function successful */
+}
+
+#endif
+
+/*@} end of CMSIS_Core_SysTickFunctions */
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CORE_CM0_H_DEPENDANT */
+
+#endif /* __CMSIS_GENERIC */