diff options
| author | Harald Welte <laforge@gnumonks.org> | 2011-12-01 19:53:03 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-12-01 19:53:03 +0100 |
| commit | eebb6cc1217260d7b29478a83008ee070d57738e (patch) | |
| tree | 4500a69e35d081161875e2320d351911edcac24b /external_libs/cmsis | |
initial checkin of usb-device-audio-speaker-project for sam3u-ek
Diffstat (limited to 'external_libs/cmsis')
| -rw-r--r-- | external_libs/cmsis/core_cm3.c | 805 | ||||
| -rw-r--r-- | external_libs/cmsis/core_cm3.h | 1265 |
2 files changed, 2070 insertions, 0 deletions
diff --git a/external_libs/cmsis/core_cm3.c b/external_libs/cmsis/core_cm3.c new file mode 100644 index 0000000..a64aa5c --- /dev/null +++ b/external_libs/cmsis/core_cm3.c @@ -0,0 +1,805 @@ +/******************************************************************************
+ * @file: core_cm3.c
+ * @purpose: CMSIS Cortex-M3 Core Peripheral Access Layer Source File
+ * @version: V1.10
+ * @date: 24. Feb. 2009
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * ARM Limited (ARM) is supplying this software for use with Cortex-Mx
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+
+
+#include <stdint.h>
+
+
+/* define compiler specific symbols */
+#if defined ( __CC_ARM )
+ #define __ASM __asm /*!< asm keyword for armcc */
+ #define __INLINE __inline /*!< inline keyword for armcc */
+
+#elif defined ( __ICCARM__ )
+ #define __ASM __asm /*!< asm keyword for iarcc */
+ #define __INLINE inline /*!< inline keyword for iarcc. Only avaiable in High optimization mode! */
+ #define __nop __no_operation /*!< no operation intrinsic in iarcc */
+
+#elif defined ( __GNUC__ )
+ #define __ASM asm /*!< asm keyword for gcc */
+ #define __INLINE inline /*!< inline keyword for gcc */
+#endif
+
+
+
+#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @param none
+ * @return uint32_t ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+__ASM uint32_t __get_PSP(void)
+{
+ mrs r0, psp
+ bx lr
+}
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param uint32_t Process Stack Pointer
+ * @return none
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+__ASM void __set_PSP(uint32_t topOfProcStack)
+{
+ msr psp, r0
+ bx lr
+}
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @param none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+__ASM uint32_t __get_MSP(void)
+{
+ mrs r0, msp
+ bx lr
+}
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param uint32_t Main Stack Pointer
+ * @return none
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+__ASM void __set_MSP(uint32_t mainStackPointer)
+{
+ msr msp, r0
+ bx lr
+}
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param uint16_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+__ASM uint32_t __REV16(uint16_t value)
+{
+ rev16 r0, r0
+ bx lr
+}
+
+/**
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param int16_t value to reverse
+ * @return int32_t reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+__ASM int32_t __REVSH(int16_t value)
+{
+ revsh r0, r0
+ bx lr
+}
+
+
+#if (__ARMCC_VERSION < 400000)
+
+/**
+ * @brief Remove the exclusive lock created by ldrex
+ *
+ * @param none
+ * @return none
+ *
+ * Removes the exclusive lock which is created by ldrex.
+ */
+__ASM void __CLREX(void)
+{
+ clrex
+}
+
+/**
+ * @brief Return the Base Priority value
+ *
+ * @param none
+ * @return uint32_t BasePriority
+ *
+ * Return the content of the base priority register
+ */
+__ASM uint32_t __get_BASEPRI(void)
+{
+ mrs r0, basepri
+ bx lr
+}
+
+/**
+ * @brief Set the Base Priority value
+ *
+ * @param uint32_t BasePriority
+ * @return none
+ *
+ * Set the base priority register
+ */
+__ASM void __set_BASEPRI(uint32_t basePri)
+{
+ msr basepri, r0
+ bx lr
+}
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @param none
+ * @return uint32_t PriMask
+ *
+ * Return the state of the priority mask bit from the priority mask
+ * register
+ */
+__ASM uint32_t __get_PRIMASK(void)
+{
+ mrs r0, primask
+ bx lr
+}
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param uint32_t PriMask
+ * @return none
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+__ASM void __set_PRIMASK(uint32_t priMask)
+{
+ msr primask, r0
+ bx lr
+}
+
+/**
+ * @brief Return the Fault Mask value
+ *
+ * @param none
+ * @return uint32_t FaultMask
+ *
+ * Return the content of the fault mask register
+ */
+__ASM uint32_t __get_FAULTMASK(void)
+{
+ mrs r0, faultmask
+ bx lr
+}
+
+/**
+ * @brief Set the Fault Mask value
+ *
+ * @param uint32_t faultMask value
+ * @return none
+ *
+ * Set the fault mask register
+ */
+__ASM void __set_FAULTMASK(uint32_t faultMask)
+{
+ msr faultmask, r0
+ bx lr
+}
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @param none
+ * @return uint32_t Control value
+ *
+ * Return the content of the control register
+ */
+__ASM uint32_t __get_CONTROL(void)
+{
+ mrs r0, control
+ bx lr
+}
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param uint32_t Control value
+ * @return none
+ *
+ * Set the control register
+ */
+__ASM void __set_CONTROL(uint32_t control)
+{
+ msr control, r0
+ bx lr
+}
+
+#endif /* __ARMCC_VERSION */
+
+
+#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
+#pragma diag_suppress=Pe940
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @param none
+ * @return uint32_t ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+uint32_t __get_PSP(void)
+{
+ __ASM("mrs r0, psp");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param uint32_t Process Stack Pointer
+ * @return none
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+void __set_PSP(uint32_t topOfProcStack)
+{
+ __ASM("msr psp, r0");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @param none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+uint32_t __get_MSP(void)
+{
+ __ASM("mrs r0, msp");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param uint32_t Main Stack Pointer
+ * @return none
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+void __set_MSP(uint32_t topOfMainStack)
+{
+ __ASM("msr msp, r0");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param uint16_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+uint32_t __REV16(uint16_t value)
+{
+ __ASM("rev16 r0, r0");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Reverse bit order of value
+ *
+ * @param uint32_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse bit order of value
+ */
+uint32_t __RBIT(uint32_t value)
+{
+ __ASM("rbit r0, r0");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint8_t* address
+ * @return uint8_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+uint8_t __LDREXB(uint8_t *addr)
+{
+ __ASM("ldrexb r0, [r0]");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint16_t* address
+ * @return uint16_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+uint16_t __LDREXH(uint16_t *addr)
+{
+ __ASM("ldrexh r0, [r0]");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint32_t* address
+ * @return uint32_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+uint32_t __LDREXW(uint32_t *addr)
+{
+ __ASM("ldrex r0, [r0]");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint8_t *address
+ * @param uint8_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+uint32_t __STREXB(uint8_t value, uint8_t *addr)
+{
+ __ASM("strexb r0, r0, [r1]");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint16_t *address
+ * @param uint16_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+uint32_t __STREXH(uint16_t value, uint16_t *addr)
+{
+ __ASM("strexh r0, r0, [r1]");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint32_t *address
+ * @param uint32_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+uint32_t __STREXW(uint32_t value, uint32_t *addr)
+{
+ __ASM("strex r0, r0, [r1]");
+ __ASM("bx lr");
+}
+
+#pragma diag_default=Pe940
+
+
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @param none
+ * @return uint32_t ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+uint32_t __get_PSP(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, psp" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param uint32_t Process Stack Pointer
+ * @return none
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+void __set_PSP(uint32_t topOfProcStack)
+{
+ __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) );
+}
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @param none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+uint32_t __get_MSP(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, msp" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param uint32_t Main Stack Pointer
+ * @return none
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+void __set_MSP(uint32_t topOfMainStack)
+{
+ __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) );
+}
+
+/**
+ * @brief Return the Base Priority value
+ *
+ * @param none
+ * @return uint32_t BasePriority
+ *
+ * Return the content of the base priority register
+ */
+uint32_t __get_BASEPRI(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Base Priority value
+ *
+ * @param uint32_t BasePriority
+ * @return none
+ *
+ * Set the base priority register
+ */
+void __set_BASEPRI(uint32_t value)
+{
+ __ASM volatile ("MSR basepri, %0" : : "r" (value) );
+}
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @param none
+ * @return uint32_t PriMask
+ *
+ * Return the state of the priority mask bit from the priority mask
+ * register
+ */
+uint32_t __get_PRIMASK(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, primask" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param uint32_t PriMask
+ * @return none
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+void __set_PRIMASK(uint32_t priMask)
+{
+ __ASM volatile ("MSR primask, %0" : : "r" (priMask) );
+}
+
+/**
+ * @brief Return the Fault Mask value
+ *
+ * @param none
+ * @return uint32_t FaultMask
+ *
+ * Return the content of the fault mask register
+ */
+uint32_t __get_FAULTMASK(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Fault Mask value
+ *
+ * @param uint32_t faultMask value
+ * @return none
+ *
+ * Set the fault mask register
+ */
+void __set_FAULTMASK(uint32_t faultMask)
+{
+ __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
+}
+
+/**
+ * @brief Reverse byte order in integer value
+ *
+ * @param uint32_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in integer value
+ */
+uint32_t __REV(uint32_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param uint16_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+uint32_t __REV16(uint16_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param int32_t value to reverse
+ * @return int32_t reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+int32_t __REVSH(int16_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief Reverse bit order of value
+ *
+ * @param uint32_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse bit order of value
+ */
+uint32_t __RBIT(uint32_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint8_t* address
+ * @return uint8_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+uint8_t __LDREXB(uint8_t *addr)
+{
+ uint8_t result=0;
+
+ __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
+ return(result);
+}
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint16_t* address
+ * @return uint16_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+uint16_t __LDREXH(uint16_t *addr)
+{
+ uint16_t result=0;
+
+ __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
+ return(result);
+}
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint32_t* address
+ * @return uint32_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+uint32_t __LDREXW(uint32_t *addr)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
+ return(result);
+}
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint8_t *address
+ * @param uint8_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+uint32_t __STREXB(uint8_t value, uint8_t *addr)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint16_t *address
+ * @param uint16_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+uint32_t __STREXH(uint16_t value, uint16_t *addr)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint32_t *address
+ * @param uint32_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+uint32_t __STREXW(uint32_t value, uint32_t *addr)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("strex %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @param none
+ * @return uint32_t Control value
+ *
+ * Return the content of the control register
+ */
+uint32_t __get_CONTROL(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, control" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param uint32_t Control value
+ * @return none
+ *
+ * Set the control register
+ */
+void __set_CONTROL(uint32_t control)
+{
+ __ASM volatile ("MSR control, %0" : : "r" (control) );
+}
+
+#endif
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/external_libs/cmsis/core_cm3.h b/external_libs/cmsis/core_cm3.h new file mode 100644 index 0000000..9f83c1c --- /dev/null +++ b/external_libs/cmsis/core_cm3.h @@ -0,0 +1,1265 @@ +/******************************************************************************
+ * @file: core_cm3.h
+ * @purpose: CMSIS Cortex-M3 Core Peripheral Access Layer Header File
+ * @version: V1.10
+ * @date: 24. Feb. 2009
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * ARM Limited (ARM) is supplying this software for use with Cortex-Mx
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+
+
+
+#ifndef __CM3_CORE_H__
+#define __CM3_CORE_H__
+
+
+#define __CM3_CMSIS_VERSION_MAIN (0x01) /*!< [31:16] CMSIS HAL main version */
+#define __CM3_CMSIS_VERSION_SUB (0x10) /*!< [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 */
+
+/**
+ * Lint configuration \n
+ * ----------------------- \n
+ *
+ * The following Lint messages will be suppressed and not shown: \n
+ * \n
+ * --- Error 10: --- \n
+ * register uint32_t __regBasePri __asm("basepri"); \n
+ * Error 10: Expecting ';' \n
+ * \n
+ * --- Error 530: --- \n
+ * return(__regBasePri); \n
+ * Warning 530: Symbol '__regBasePri' (line 264) not initialized \n
+ * \n
+ * --- Error 550: --- \n
+ * __regBasePri = (basePri & 0x1ff); \n
+ * } \n
+ * Warning 550: Symbol '__regBasePri' (line 271) not accessed \n
+ * \n
+ * --- Error 754: --- \n
+ * uint32_t RESERVED0[24]; \n
+ * Info 754: local structure member '<some, not used in the HAL>' (line 109, file ./cm3_core.h) not referenced \n
+ * \n
+ * --- Error 750: --- \n
+ * #define __CM3_CORE_H__ \n
+ * Info 750: local macro '__CM3_CORE_H__' (line 43, file./cm3_core.h) not referenced \n
+ * \n
+ * --- Error 528: --- \n
+ * static __INLINE void NVIC_DisableIRQ(uint32_t IRQn) \n
+ * Warning 528: Symbol 'NVIC_DisableIRQ(unsigned int)' (line 419, file ./cm3_core.h) not referenced \n
+ * \n
+ * --- Error 751: --- \n
+ * } InterruptType_Type; \n
+ * Info 751: local typedef 'InterruptType_Type' (line 170, file ./cm3_core.h) not referenced \n
+ * \n
+ * \n
+ * Note: To re-enable a Message, insert a space before 'lint' * \n
+ *
+ */
+
+/*lint -save */
+/*lint -e10 */
+/*lint -e530 */
+/*lint -e550 */
+/*lint -e754 */
+/*lint -e750 */
+/*lint -e528 */
+/*lint -e751 */
+
+
+#include <stdint.h> /* Include standard types */
+
+#if defined (__ICCARM__)
+ #include <intrinsics.h> /* IAR Intrinsics */
+#endif
+
+
+#ifndef __NVIC_PRIO_BITS
+ #define __NVIC_PRIO_BITS 4 /*!< standard definition for NVIC Priority Bits */
+#endif
+
+
+
+
+/**
+ * IO definitions
+ *
+ * define access restrictions to peripheral registers
+ */
+
+#define __I volatile const /*!< defines 'read only' permissions */
+#define __O volatile /*!< defines 'write only' permissions */
+#define __IO volatile /*!< defines 'read / write' permissions */
+
+
+
+/*******************************************************************************
+ * Register Abstraction
+ ******************************************************************************/
+
+
+/* System Reset */
+#define NVIC_VECTRESET 0 /*!< Vector Reset Bit */
+#define NVIC_SYSRESETREQ 2 /*!< System Reset Request */
+#define NVIC_AIRCR_VECTKEY (0x5FA << 16) /*!< AIRCR Key for write access */
+#define NVIC_AIRCR_ENDIANESS 15 /*!< Endianess */
+
+/* Core Debug */
+#define CoreDebug_DEMCR_TRCENA (1 << 24) /*!< DEMCR TRCENA enable */
+#define ITM_TCR_ITMENA 1 /*!< ITM enable */
+
+
+
+
+/* memory mapping struct for Nested Vectored Interrupt Controller (NVIC) */
+typedef struct
+{
+ __IO uint32_t ISER[8]; /*!< Interrupt Set Enable Register */
+ uint32_t RESERVED0[24];
+ __IO uint32_t ICER[8]; /*!< Interrupt Clear Enable Register */
+ uint32_t RSERVED1[24];
+ __IO uint32_t ISPR[8]; /*!< Interrupt Set Pending Register */
+ uint32_t RESERVED2[24];
+ __IO uint32_t ICPR[8]; /*!< Interrupt Clear Pending Register */
+ uint32_t RESERVED3[24];
+ __IO uint32_t IABR[8]; /*!< Interrupt Active bit Register */
+ uint32_t RESERVED4[56];
+ __IO uint8_t IP[240]; /*!< Interrupt Priority Register, 8Bit wide */
+ uint32_t RESERVED5[644];
+ __O uint32_t STIR; /*!< Software Trigger Interrupt Register */
+} NVIC_Type;
+
+
+/* memory mapping struct for System Control Block */
+typedef struct
+{
+ __I uint32_t CPUID; /*!< CPU ID Base Register */
+ __IO uint32_t ICSR; /*!< Interrupt Control State Register */
+ __IO uint32_t VTOR; /*!< Vector Table Offset Register */
+ __IO uint32_t AIRCR; /*!< Application Interrupt / Reset Control Register */
+ __IO uint32_t SCR; /*!< System Control Register */
+ __IO uint32_t CCR; /*!< Configuration Control Register */
+ __IO uint8_t SHP[12]; /*!< System Handlers Priority Registers (4-7, 8-11, 12-15) */
+ __IO uint32_t SHCSR; /*!< System Handler Control and State Register */
+ __IO uint32_t CFSR; /*!< Configurable Fault Status Register */
+ __IO uint32_t HFSR; /*!< Hard Fault Status Register */
+ __IO uint32_t DFSR; /*!< Debug Fault Status Register */
+ __IO uint32_t MMFAR; /*!< Mem Manage Address Register */
+ __IO uint32_t BFAR; /*!< Bus Fault Address Register */
+ __IO uint32_t AFSR; /*!< Auxiliary Fault Status Register */
+ __I uint32_t PFR[2]; /*!< Processor Feature Register */
+ __I uint32_t DFR; /*!< Debug Feature Register */
+ __I uint32_t ADR; /*!< Auxiliary Feature Register */
+ __I uint32_t MMFR[4]; /*!< Memory Model Feature Register */
+ __I uint32_t ISAR[5]; /*!< ISA Feature Register */
+} SCB_Type;
+
+
+/* memory mapping struct for SysTick */
+typedef struct
+{
+ __IO uint32_t CTRL; /*!< SysTick Control and Status Register */
+ __IO uint32_t LOAD; /*!< SysTick Reload Value Register */
+ __IO uint32_t VAL; /*!< SysTick Current Value Register */
+ __I uint32_t CALIB; /*!< SysTick Calibration Register */
+} SysTick_Type;
+
+
+/* memory mapping structur for ITM */
+typedef struct
+{
+ __O union
+ {
+ __O uint8_t u8; /*!< ITM Stimulus Port 8-bit */
+ __O uint16_t u16; /*!< ITM Stimulus Port 16-bit */
+ __O uint32_t u32; /*!< ITM Stimulus Port 32-bit */
+ } PORT [32]; /*!< ITM Stimulus Port Registers */
+ uint32_t RESERVED0[864];
+ __IO uint32_t TER; /*!< ITM Trace Enable Register */
+ uint32_t RESERVED1[15];
+ __IO uint32_t TPR; /*!< ITM Trace Privilege Register */
+ uint32_t RESERVED2[15];
+ __IO uint32_t TCR; /*!< ITM Trace Control Register */
+ uint32_t RESERVED3[29];
+ __IO uint32_t IWR; /*!< ITM Integration Write Register */
+ __IO uint32_t IRR; /*!< ITM Integration Read Register */
+ __IO uint32_t IMCR; /*!< ITM Integration Mode Control Register */
+ uint32_t RESERVED4[43];
+ __IO uint32_t LAR; /*!< ITM Lock Access Register */
+ __IO uint32_t LSR; /*!< ITM Lock Status Register */
+ uint32_t RESERVED5[6];
+ __I uint32_t PID4; /*!< ITM Product ID Registers */
+ __I uint32_t PID5;
+ __I uint32_t PID6;
+ __I uint32_t PID7;
+ __I uint32_t PID0;
+ __I uint32_t PID1;
+ __I uint32_t PID2;
+ __I uint32_t PID3;
+ __I uint32_t CID0;
+ __I uint32_t CID1;
+ __I uint32_t CID2;
+ __I uint32_t CID3;
+} ITM_Type;
+
+
+/* memory mapped struct for Interrupt Type */
+typedef struct
+{
+ uint32_t RESERVED0;
+ __I uint32_t ICTR; /*!< Interrupt Control Type Register */
+#if ((defined __CM3_REV) && (__CM3_REV >= 0x200))
+ __IO uint32_t ACTLR; /*!< Auxiliary Control Register */
+#else
+ uint32_t RESERVED1;
+#endif
+} InterruptType_Type;
+
+
+/* Memory Protection Unit */
+#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1)
+typedef struct
+{
+ __I uint32_t TYPE; /*!< MPU Type Register */
+ __IO uint32_t CTRL; /*!< MPU Control Register */
+ __IO uint32_t RNR; /*!< MPU Region RNRber Register */
+ __IO uint32_t RBAR; /*!< MPU Region Base Address Register */
+ __IO uint32_t RASR; /*!< MPU Region Attribute and Size Register */
+ __IO uint32_t RBAR_A1; /*!< MPU Alias 1 Region Base Address Register */
+ __IO uint32_t RASR_A1; /*!< MPU Alias 1 Region Attribute and Size Register */
+ __IO uint32_t RBAR_A2; /*!< MPU Alias 2 Region Base Address Register */
+ __IO uint32_t RASR_A2; /*!< MPU Alias 2 Region Attribute and Size Register */
+ __IO uint32_t RBAR_A3; /*!< MPU Alias 3 Region Base Address Register */
+ __IO uint32_t RASR_A3; /*!< MPU Alias 3 Region Attribute and Size Register */
+} MPU_Type;
+#endif
+
+
+/* Core Debug Register */
+typedef struct
+{
+ __IO uint32_t DHCSR; /*!< Debug Halting Control and Status Register */
+ __O uint32_t DCRSR; /*!< Debug Core Register Selector Register */
+ __IO uint32_t DCRDR; /*!< Debug Core Register Data Register */
+ __IO uint32_t DEMCR; /*!< Debug Exception and Monitor Control Register */
+} CoreDebug_Type;
+
+
+/* Memory mapping of Cortex-M3 Hardware */
+#define SCS_BASE (0xE000E000) /*!< System Control Space Base Address */
+#define ITM_BASE (0xE0000000) /*!< ITM Base Address */
+#define CoreDebug_BASE (0xE000EDF0) /*!< Core Debug Base Address */
+#define SysTick_BASE (SCS_BASE + 0x0010) /*!< SysTick Base Address */
+#define NVIC_BASE (SCS_BASE + 0x0100) /*!< NVIC Base Address */
+#define SCB_BASE (SCS_BASE + 0x0D00) /*!< 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 defined (__MPU_PRESENT) && (__MPU_PRESENT == 1)
+ #define MPU_BASE (SCS_BASE + 0x0D90) /*!< Memory Protection Unit */
+ #define MPU ((MPU_Type*) MPU_BASE) /*!< Memory Protection Unit */
+#endif
+
+
+
+/*******************************************************************************
+ * Hardware Abstraction Layer
+ ******************************************************************************/
+
+
+#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! */
+ #define __NOP __no_operation /*!< no operation intrinsic in IAR Compiler */
+
+#elif defined ( __GNUC__ )
+ #define __ASM asm /*!< asm keyword for GNU Compiler */
+ #define __INLINE inline /*!< inline keyword for GNU Compiler */
+
+#endif
+
+
+/* ################### Compiler specific Intrinsics ########################### */
+
+#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#define __enable_fault_irq __enable_fiq
+#define __disable_fault_irq __disable_fiq
+
+#define __NOP __nop
+#define __WFI __wfi
+#define __WFE __wfe
+#define __SEV __sev
+#define __ISB() __isb(0)
+#define __DSB() __dsb(0)
+#define __DMB() __dmb(0)
+#define __REV __rev
+#define __RBIT __rbit
+#define __LDREXB(ptr) ((unsigned char ) __ldrex(ptr))
+#define __LDREXH(ptr) ((unsigned short) __ldrex(ptr))
+#define __LDREXW(ptr) ((unsigned int ) __ldrex(ptr))
+#define __STREXB(value, ptr) __strex(value, ptr)
+#define __STREXH(value, ptr) __strex(value, ptr)
+#define __STREXW(value, ptr) __strex(value, ptr)
+
+
+ /* intrinsic unsigned long long __ldrexd(volatile void *ptr) */
+ /* intrinsic int __strexd(unsigned long long val, volatile void *ptr) */
+ /* intrinsic void __enable_irq(); */
+ /* intrinsic void __disable_irq(); */
+
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @param none
+ * @return uint32_t ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+extern uint32_t __get_PSP(void);
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param uint32_t Process Stack Pointer
+ * @return none
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+extern void __set_PSP(uint32_t topOfProcStack);
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @param none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param uint32_t Main Stack Pointer
+ * @return none
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+extern void __set_MSP(uint32_t topOfMainStack);
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param uint16_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+extern uint32_t __REV16(uint16_t value);
+
+/*
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param int16_t value to reverse
+ * @return int32_t reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+extern int32_t __REVSH(int16_t value);
+
+
+#if (__ARMCC_VERSION < 400000)
+
+/**
+ * @brief Remove the exclusive lock created by ldrex
+ *
+ * @param none
+ * @return none
+ *
+ * Removes the exclusive lock which is created by ldrex.
+ */
+extern void __CLREX(void);
+
+/**
+ * @brief Return the Base Priority value
+ *
+ * @param none
+ * @return uint32_t BasePriority
+ *
+ * Return the content of the base priority register
+ */
+extern uint32_t __get_BASEPRI(void);
+
+/**
+ * @brief Set the Base Priority value
+ *
+ * @param uint32_t BasePriority
+ * @return none
+ *
+ * Set the base priority register
+ */
+extern void __set_BASEPRI(uint32_t basePri);
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @param none
+ * @return uint32_t PriMask
+ *
+ * Return the state of the priority mask bit from the priority mask
+ * register
+ */
+extern uint32_t __get_PRIMASK(void);
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param uint32_t PriMask
+ * @return none
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+extern void __set_PRIMASK(uint32_t priMask);
+
+/**
+ * @brief Return the Fault Mask value
+ *
+ * @param none
+ * @return uint32_t FaultMask
+ *
+ * Return the content of the fault mask register
+ */
+extern uint32_t __get_FAULTMASK(void);
+
+/**
+ * @brief Set the Fault Mask value
+ *
+ * @param uint32_t faultMask value
+ * @return none
+ *
+ * Set the fault mask register
+ */
+extern void __set_FAULTMASK(uint32_t faultMask);
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @param none
+ * @return uint32_t Control value
+ *
+ * Return the content of the control register
+ */
+extern uint32_t __get_CONTROL(void);
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param uint32_t Control value
+ * @return none
+ *
+ * Set the control register
+ */
+extern void __set_CONTROL(uint32_t control);
+
+#else /* (__ARMCC_VERSION >= 400000) */
+
+
+/**
+ * @brief Remove the exclusive lock created by ldrex
+ *
+ * @param none
+ * @return none
+ *
+ * Removes the exclusive lock which is created by ldrex.
+ */
+#define __CLREX __clrex
+
+/**
+ * @brief Return the Base Priority value
+ *
+ * @param none
+ * @return uint32_t BasePriority
+ *
+ * Return the content of the base priority register
+ */
+static __INLINE uint32_t __get_BASEPRI(void)
+{
+ register uint32_t __regBasePri __ASM("basepri");
+ return(__regBasePri);
+}
+
+/**
+ * @brief Set the Base Priority value
+ *
+ * @param uint32_t BasePriority
+ * @return none
+ *
+ * Set the base priority register
+ */
+static __INLINE void __set_BASEPRI(uint32_t basePri)
+{
+ register uint32_t __regBasePri __ASM("basepri");
+ __regBasePri = (basePri & 0x1ff);
+}
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @param none
+ * @return uint32_t PriMask
+ *
+ * Return the state of the priority mask bit from the priority mask
+ * register
+ */
+static __INLINE uint32_t __get_PRIMASK(void)
+{
+ register uint32_t __regPriMask __ASM("primask");
+ return(__regPriMask);
+}
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param uint32_t PriMask
+ * @return none
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+static __INLINE void __set_PRIMASK(uint32_t priMask)
+{
+ register uint32_t __regPriMask __ASM("primask");
+ __regPriMask = (priMask);
+}
+
+/**
+ * @brief Return the Fault Mask value
+ *
+ * @param none
+ * @return uint32_t FaultMask
+ *
+ * Return the content of the fault mask register
+ */
+static __INLINE uint32_t __get_FAULTMASK(void)
+{
+ register uint32_t __regFaultMask __ASM("faultmask");
+ return(__regFaultMask);
+}
+
+/**
+ * @brief Set the Fault Mask value
+ *
+ * @param uint32_t faultMask value
+ * @return none
+ *
+ * Set the fault mask register
+ */
+static __INLINE void __set_FAULTMASK(uint32_t faultMask)
+{
+ register uint32_t __regFaultMask __ASM("faultmask");
+ __regFaultMask = (faultMask & 1);
+}
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @param none
+ * @return uint32_t Control value
+ *
+ * Return the content of the control register
+ */
+static __INLINE uint32_t __get_CONTROL(void)
+{
+ register uint32_t __regControl __ASM("control");
+ return(__regControl);
+}
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param uint32_t Control value
+ * @return none
+ *
+ * Set the control register
+ */
+static __INLINE void __set_CONTROL(uint32_t control)
+{
+ register uint32_t __regControl __ASM("control");
+ __regControl = control;
+}
+
+#endif /* __ARMCC_VERSION */
+
+
+
+#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+
+#define __enable_irq __enable_interrupt /*!< global Interrupt enable */
+#define __disable_irq __disable_interrupt /*!< global Interrupt disable */
+
+static __INLINE void __enable_fault_irq() { __ASM ("cpsie f"); }
+static __INLINE void __disable_fault_irq() { __ASM ("cpsid f"); }
+
+static __INLINE void __WFI() { __ASM ("wfi"); }
+static __INLINE void __WFE() { __ASM ("wfe"); }
+static __INLINE void __SEV() { __ASM ("sev"); }
+static __INLINE void __CLREX() { __ASM ("clrex"); }
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @param none
+ * @return uint32_t ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+extern uint32_t __get_PSP(void);
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param uint32_t Process Stack Pointer
+ * @return none
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+extern void __set_PSP(uint32_t topOfProcStack);
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @param none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param uint32_t Main Stack Pointer
+ * @return none
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+extern void __set_MSP(uint32_t topOfMainStack);
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param uint16_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+extern uint32_t __REV16(uint16_t value);
+
+/**
+ * @brief Reverse bit order of value
+ *
+ * @param uint32_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse bit order of value
+ */
+extern uint32_t __RBIT(uint32_t value);
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint8_t* address
+ * @return uint8_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+extern uint8_t __LDREXB(uint8_t *addr);
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint16_t* address
+ * @return uint16_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+extern uint16_t __LDREXH(uint16_t *addr);
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint32_t* address
+ * @return uint32_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+extern uint32_t __LDREXW(uint32_t *addr);
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint8_t *address
+ * @param uint8_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+extern uint32_t __STREXB(uint8_t value, uint8_t *addr);
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint16_t *address
+ * @param uint16_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+extern uint32_t __STREXH(uint16_t value, uint16_t *addr);
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint32_t *address
+ * @param uint32_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+extern uint32_t __STREXW(uint32_t value, uint32_t *addr);
+
+
+/* intrinsic void __set_PRIMASK(); */
+/* intrinsic void __get_PRIMASK(); */
+/* intrinsic void __set_FAULTMASK(); */
+/* intrinsic void __get_FAULTMASK(); */
+/* intrinsic uint32_t __REV(uint32_t value); */
+/* intrinsic uint32_t __REVSH(uint32_t value); */
+/* intrinsic unsigned long __STREX(unsigned long, unsigned long); */
+/* intrinsic unsigned long __LDREX(unsigned long *); */
+
+
+
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+static __INLINE void __NOP() { __ASM volatile ("nop"); }
+static __INLINE void __enable_irq() { __ASM volatile ("cpsie i"); }
+static __INLINE void __disable_irq() { __ASM volatile ("cpsid i"); }
+
+static __INLINE void __enable_fault_irq() { __ASM volatile ("cpsie f"); }
+static __INLINE void __disable_fault_irq() { __ASM volatile ("cpsid f"); }
+
+static __INLINE void __WFI() { __ASM volatile ("wfi"); }
+static __INLINE void __WFE() { __ASM volatile ("wfe"); }
+static __INLINE void __SEV() { __ASM volatile ("sev"); }
+static __INLINE void __ISB(arg) { __ASM volatile ("isb"); }
+static __INLINE void __DSB(arg) { __ASM volatile ("dsb"); }
+static __INLINE void __DMB(arg) { __ASM volatile ("dmb"); }
+static __INLINE void __CLREX() { __ASM volatile ("clrex"); }
+
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @param none
+ * @return uint32_t ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+extern uint32_t __get_PSP(void);
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param uint32_t Process Stack Pointer
+ * @return none
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+extern void __set_PSP(uint32_t topOfProcStack);
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @param none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param uint32_t Main Stack Pointer
+ * @return none
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+extern void __set_MSP(uint32_t topOfMainStack);
+
+/**
+ * @brief Return the Base Priority value
+ *
+ * @param none
+ * @return uint32_t BasePriority
+ *
+ * Return the content of the base priority register
+ */
+extern uint32_t __get_BASEPRI(void);
+
+/**
+ * @brief Set the Base Priority value
+ *
+ * @param uint32_t BasePriority
+ * @return none
+ *
+ * Set the base priority register
+ */
+extern void __set_BASEPRI(uint32_t basePri);
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @param none
+ * @return uint32_t PriMask
+ *
+ * Return the state of the priority mask bit from the priority mask
+ * register
+ */
+extern uint32_t __get_PRIMASK(void);
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param uint32_t PriMask
+ * @return none
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+extern void __set_PRIMASK(uint32_t priMask);
+
+/**
+ * @brief Return the Fault Mask value
+ *
+ * @param none
+ * @return uint32_t FaultMask
+ *
+ * Return the content of the fault mask register
+ */
+extern uint32_t __get_FAULTMASK(void);
+
+/**
+ * @brief Set the Fault Mask value
+ *
+ * @param uint32_t faultMask value
+ * @return none
+ *
+ * Set the fault mask register
+ */
+extern void __set_FAULTMASK(uint32_t faultMask);
+
+/**
+ * @brief Return the Control Register value
+*
+* @param none
+* @return uint32_t Control value
+ *
+ * Return the content of the control register
+ */
+extern uint32_t __get_CONTROL(void);
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param uint32_t Control value
+ * @return none
+ *
+ * Set the control register
+ */
+extern void __set_CONTROL(uint32_t control);
+
+/**
+ * @brief Reverse byte order in integer value
+ *
+ * @param uint32_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in integer value
+ */
+extern uint32_t __REV(uint32_t value);
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param uint16_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+extern uint32_t __REV16(uint16_t value);
+
+/*
+ * Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param int16_t value to reverse
+ * @return int32_t reversed value
+ *
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ */
+extern int32_t __REVSH(int16_t value);
+
+/**
+ * @brief Reverse bit order of value
+ *
+ * @param uint32_t value to reverse
+ * @return uint32_t reversed value
+ *
+ * Reverse bit order of value
+ */
+extern uint32_t __RBIT(uint32_t value);
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint8_t* address
+ * @return uint8_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+extern uint8_t __LDREXB(uint8_t *addr);
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint16_t* address
+ * @return uint16_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+extern uint16_t __LDREXH(uint16_t *addr);
+
+/**
+ * @brief LDR Exclusive
+ *
+ * @param uint32_t* address
+ * @return uint32_t value of (*address)
+ *
+ * Exclusive LDR command
+ */
+extern uint32_t __LDREXW(uint32_t *addr);
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint8_t *address
+ * @param uint8_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+extern uint32_t __STREXB(uint8_t value, uint8_t *addr);
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint16_t *address
+ * @param uint16_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+extern uint32_t __STREXH(uint16_t value, uint16_t *addr);
+
+/**
+ * @brief STR Exclusive
+ *
+ * @param uint32_t *address
+ * @param uint32_t value to store
+ * @return uint32_t successful / failed
+ *
+ * Exclusive STR command
+ */
+extern uint32_t __STREXW(uint32_t value, uint32_t *addr);
+
+
+#endif
+
+
+
+/* ########################## NVIC functions #################################### */
+
+/**
+ * @brief Set the Priority Grouping in NVIC Interrupt Controller
+ *
+ * @param uint32_t priority_grouping is priority grouping field
+ * @return
+ *
+ * Set the priority grouping field using the required unlock sequence.
+ * The parameter priority_grouping is assigned to the field
+ * SCB->AIRCR [10:8] PRIGROUP field.
+ */
+static __INLINE void NVIC_SetPriorityGrouping(uint32_t priority_grouping)
+{
+ uint32_t reg_value=0;
+
+ reg_value = SCB->AIRCR; /* read old register configuration */
+ reg_value &= ~((0xFFFFU << 16) | (0x0F << 8)); /* clear bits to change */
+ reg_value = ((reg_value | NVIC_AIRCR_VECTKEY | (priority_grouping << 8))); /* Insert write key and priorty group */
+ SCB->AIRCR = reg_value;
+}
+
+/**
+ * @brief Enable Interrupt in NVIC Interrupt Controller
+ *
+ * @param IRQn_Type IRQn specifies the interrupt number
+ * @return none
+ *
+ * Enable a device specific interupt in the NVIC interrupt controller.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+ NVIC->ISER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* enable interrupt */
+}
+
+/**
+ * @brief Disable the interrupt line for external interrupt specified
+ *
+ * @param IRQn_Type IRQn is the positive number of the external interrupt
+ * @return none
+ *
+ * Disable a device specific interupt in the NVIC interrupt controller.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+ NVIC->ICER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* disable interrupt */
+}
+
+/**
+ * @brief Read the interrupt pending bit for a device specific interrupt source
+ *
+ * @param IRQn_Type IRQn is the number of the device specifc interrupt
+ * @return IRQn_Type Number of pending interrupt or zero
+ *
+ * Read the pending register in NVIC and return the number of the
+ * specified interrupt if its status is pending, otherwise it returns
+ * zero. The interrupt number cannot be a negative value.
+ */
+static __INLINE IRQn_Type NVIC_GetPendingIRQ(IRQn_Type IRQn)
+{
+ return((IRQn_Type) (NVIC->ISPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))); /* Return Interrupt bit or 'zero' */
+}
+
+/**
+ * @brief Set the pending bit for an external interrupt
+ *
+ * @param IRQn_Type IRQn is the Number of the interrupt
+ * @return none
+ *
+ * Set the pending bit for the specified interrupt.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+ NVIC->ISPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* set interrupt pending */
+}
+
+/**
+ * @brief Clear the pending bit for an external interrupt
+ *
+ * @param IRQn_Type IRQn is the Number of the interrupt
+ * @return none
+ *
+ * Clear the pending bit for the specified interrupt.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+ NVIC->ICPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
+}
+
+/**
+ * @brief Read the active bit for an external interrupt
+ *
+ * @param IRQn_Type IRQn is the Number of the interrupt
+ * @return IRQn_Type Number of pending interrupt or zero
+ *
+ * Read the active register in NVIC and returns the number of the
+ * specified interrupt if its status is active, otherwise it
+ * returns zero. The interrupt number cannot be a negative value.
+ */
+static __INLINE IRQn_Type NVIC_GetActive(IRQn_Type IRQn)
+{
+ return((IRQn_Type)(NVIC->IABR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))); /* Return Interruptnumber or 'zero' */
+}
+
+/**
+ * @brief Set the priority for an interrupt
+ *
+ * @param IRQn_Type IRQn is the Number of the interrupt
+ * @param priority is the priority for the interrupt
+ * @return none
+ *
+ * Set 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. \n
+ *
+ * Note: The priority cannot be set for every core interrupt.
+ */
+static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, int32_t priority)
+{
+ if(IRQn < 0) {
+ SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for Cortex-M3 System Interrupts */
+ else {
+ //NVIC->IP[(uint32_t)(IRQn)] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for device specific Interrupts */
+ NVIC->IP[(uint32_t)(IRQn)] = (priority & 0xff); } /* set Priority for device specific Interrupts */
+}
+
+/**
+ * @brief Read the priority for an interrupt
+ *
+ * @param IRQn_Type IRQn is the Number of the interrupt
+ * @return priority is the priority for the interrupt
+ *
+ * Read 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.
+ *
+ * Note: The priority cannot be set for every core interrupt.
+ */
+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-M3 system interrupts */
+ else {
+ return((uint32_t)(NVIC->IP[(uint32_t)(IRQn)] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */
+}
+
+
+
+/* ################################## SysTick function ############################################ */
+
+#if (!defined (__Vendor_SysTickConfig)) || (__Vendor_SysTickConfig == 0)
+
+/* SysTick constants */
+#define SYSTICK_ENABLE 0 /* Config-Bit to start or stop the SysTick Timer */
+#define SYSTICK_TICKINT 1 /* Config-Bit to enable or disable the SysTick interrupt */
+#define SYSTICK_CLKSOURCE 2 /* Clocksource has the offset 2 in SysTick Control and Status Register */
+#define SYSTICK_MAXCOUNT ((1<<24) -1) /* SysTick MaxCount */
+
+/**
+ * @brief Initialize and start the SysTick counter and its interrupt.
+ *
+ * @param uint32_t ticks is the number of ticks between two interrupts
+ * @return none
+ *
+ * Initialise the system tick timer and its interrupt and start the
+ * system tick timer / counter in free running mode to generate
+ * periodical interrupts.
+ */
+static __INLINE uint32_t SysTick_Config(uint32_t ticks)
+{
+ if (ticks > SYSTICK_MAXCOUNT) return (1); /* Reload value impossible */
+
+ SysTick->LOAD = (ticks & SYSTICK_MAXCOUNT) - 1; /* set reload register */
+ NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */
+ SysTick->VAL = (0x00); /* Load the SysTick Counter Value */
+ SysTick->CTRL = (1 << SYSTICK_CLKSOURCE) | (1<<SYSTICK_ENABLE) | (1<<SYSTICK_TICKINT); /* Enable SysTick IRQ and SysTick Timer */
+ return (0); /* Function successful */
+}
+
+#endif
+
+
+
+
+
+/* ################################## Reset function ############################################ */
+
+/**
+ * @brief Initiate a system reset request.
+ *
+ * @param none
+ * @return none
+ *
+ * Initialize a system reset request to reset the MCU
+ */
+static __INLINE void NVIC_SystemReset(void)
+{
+ SCB->AIRCR = (NVIC_AIRCR_VECTKEY | (SCB->AIRCR & (0x700)) | (1<<NVIC_SYSRESETREQ)); /* Keep priority group unchanged */
+}
+
+
+/* ################################## Debug Output function ############################################ */
+
+
+/**
+ * @brief Outputs a character via the ITM channel 0
+ *
+ * @param uint32_t character to output
+ * @return uint32_t input character
+ *
+ * The function outputs a character via the ITM channel 0.
+ * The function 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.
+ */
+static __INLINE uint32_t ITM_SendChar (uint32_t ch)
+{
+ if(ch == '\n') ITM_SendChar('\r');
+
+ if ((CoreDebug->DEMCR & CoreDebug_DEMCR_TRCENA) &&
+ (ITM->TCR & ITM_TCR_ITMENA) &&
+ (ITM->TER & (1UL << 0)) )
+ {
+ while (ITM->PORT[0].u32 == 0);
+ ITM->PORT[0].u8 = (uint8_t) ch;
+ }
+ return (ch);
+}
+
+#endif
+
+/*lint -restore */
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