From a22d9c106276bb1819e583012d7ea41b6529b318 Mon Sep 17 00:00:00 2001 From: guowenxue <guowenxue@gmail.com> Date: Wed, 16 May 2018 08:14:05 +0800 Subject: [PATCH] add new LED key systick sample code --- src/bare_test/2.Key/cmsis/core_cm3.c | 1568 +++++++++++++++++++++++++++++----------------------------- 1 files changed, 784 insertions(+), 784 deletions(-) diff --git a/src/bare_test/stm32_key/cmsis/core_cm3.c b/src/bare_test/2.Key/cmsis/core_cm3.c similarity index 99% copy from src/bare_test/stm32_key/cmsis/core_cm3.c copy to src/bare_test/2.Key/cmsis/core_cm3.c index 56fddc5..fcff0d1 100644 --- a/src/bare_test/stm32_key/cmsis/core_cm3.c +++ b/src/bare_test/2.Key/cmsis/core_cm3.c @@ -1,784 +1,784 @@ -/**************************************************************************//** - * @file core_cm3.c - * @brief CMSIS Cortex-M3 Core Peripheral Access Layer Source File - * @version V1.30 - * @date 30. October 2009 - * - * @note - * Copyright (C) 2009 ARM Limited. All rights reserved. - * - * @par - * ARM Limited (ARM) is supplying this software for use with Cortex-M - * processor based microcontrollers. This file can be freely distributed - * within development tools that are supporting such ARM based processors. - * - * @par - * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED - * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. - * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. - * - ******************************************************************************/ - -#include <stdint.h> - -/* define compiler specific symbols */ -#if defined ( __CC_ARM ) - #define __ASM __asm /*!< asm keyword for ARM Compiler */ - #define __INLINE __inline /*!< inline keyword for ARM Compiler */ - -#elif defined ( __ICCARM__ ) - #define __ASM __asm /*!< asm keyword for IAR Compiler */ - #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */ - -#elif defined ( __GNUC__ ) - #define __ASM __asm /*!< asm keyword for GNU Compiler */ - #define __INLINE inline /*!< inline keyword for GNU Compiler */ - -#elif defined ( __TASKING__ ) - #define __ASM __asm /*!< asm keyword for TASKING Compiler */ - #define __INLINE inline /*!< inline keyword for TASKING Compiler */ - -#endif - - -/* ################### Compiler specific Intrinsics ########################### */ - -#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ -/* ARM armcc specific functions */ - -/** - * @brief Return the Process Stack Pointer - * - * @return 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 topOfProcStack Process Stack Pointer - * - * 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 - * - * @return 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 topOfMainStack Main Stack Pointer - * - * 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 value value to reverse - * @return 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 value value to reverse - * @return 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 - * - * Removes the exclusive lock which is created by ldrex. - */ -__ASM void __CLREX(void) -{ - clrex -} - -/** - * @brief Return the Base Priority value - * - * @return 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 basePri BasePriority - * - * Set the base priority register - */ -__ASM void __set_BASEPRI(uint32_t basePri) -{ - msr basepri, r0 - bx lr -} - -/** - * @brief Return the Priority Mask value - * - * @return PriMask - * - * Return 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 priMask PriMask - * - * 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 - * - * @return 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 faultMask faultMask value - * - * Set the fault mask register - */ -__ASM void __set_FAULTMASK(uint32_t faultMask) -{ - msr faultmask, r0 - bx lr -} - -/** - * @brief Return the Control Register value - * - * @return 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 control Control value - * - * Set the control register - */ -__ASM void __set_CONTROL(uint32_t control) -{ - msr control, r0 - bx lr -} - -#endif /* __ARMCC_VERSION */ - - - -#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/ -/* IAR iccarm specific functions */ -#pragma diag_suppress=Pe940 - -/** - * @brief Return the Process Stack Pointer - * - * @return 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 topOfProcStack Process Stack Pointer - * - * 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 - * - * @return 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 topOfMainStack Main Stack Pointer - * - * 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 value value to reverse - * @return 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 value value to reverse - * @return reversed value - * - * Reverse bit order of value - */ -uint32_t __RBIT(uint32_t value) -{ - __ASM("rbit r0, r0"); - __ASM("bx lr"); -} - -/** - * @brief LDR Exclusive (8 bit) - * - * @param *addr address pointer - * @return value of (*address) - * - * Exclusive LDR command for 8 bit values) - */ -uint8_t __LDREXB(uint8_t *addr) -{ - __ASM("ldrexb r0, [r0]"); - __ASM("bx lr"); -} - -/** - * @brief LDR Exclusive (16 bit) - * - * @param *addr address pointer - * @return value of (*address) - * - * Exclusive LDR command for 16 bit values - */ -uint16_t __LDREXH(uint16_t *addr) -{ - __ASM("ldrexh r0, [r0]"); - __ASM("bx lr"); -} - -/** - * @brief LDR Exclusive (32 bit) - * - * @param *addr address pointer - * @return value of (*address) - * - * Exclusive LDR command for 32 bit values - */ -uint32_t __LDREXW(uint32_t *addr) -{ - __ASM("ldrex r0, [r0]"); - __ASM("bx lr"); -} - -/** - * @brief STR Exclusive (8 bit) - * - * @param value value to store - * @param *addr address pointer - * @return successful / failed - * - * Exclusive STR command for 8 bit values - */ -uint32_t __STREXB(uint8_t value, uint8_t *addr) -{ - __ASM("strexb r0, r0, [r1]"); - __ASM("bx lr"); -} - -/** - * @brief STR Exclusive (16 bit) - * - * @param value value to store - * @param *addr address pointer - * @return successful / failed - * - * Exclusive STR command for 16 bit values - */ -uint32_t __STREXH(uint16_t value, uint16_t *addr) -{ - __ASM("strexh r0, r0, [r1]"); - __ASM("bx lr"); -} - -/** - * @brief STR Exclusive (32 bit) - * - * @param value value to store - * @param *addr address pointer - * @return successful / failed - * - * Exclusive STR command for 32 bit values - */ -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 ---------------------*/ -/* GNU gcc specific functions */ - -/** - * @brief Return the Process Stack Pointer - * - * @return ProcessStackPointer - * - * Return the actual process stack pointer - */ -uint32_t __get_PSP(void) __attribute__( ( naked ) ); -uint32_t __get_PSP(void) -{ - uint32_t result=0; - - __ASM volatile ("MRS %0, psp\n\t" - "MOV r0, %0 \n\t" - "BX lr \n\t" : "=r" (result) ); - return(result); -} - -/** - * @brief Set the Process Stack Pointer - * - * @param topOfProcStack Process Stack Pointer - * - * Assign the value ProcessStackPointer to the MSP - * (process stack pointer) Cortex processor register - */ -void __set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) ); -void __set_PSP(uint32_t topOfProcStack) -{ - __ASM volatile ("MSR psp, %0\n\t" - "BX lr \n\t" : : "r" (topOfProcStack) ); -} - -/** - * @brief Return the Main Stack Pointer - * - * @return Main Stack Pointer - * - * Return the current value of the MSP (main stack pointer) - * Cortex processor register - */ -uint32_t __get_MSP(void) __attribute__( ( naked ) ); -uint32_t __get_MSP(void) -{ - uint32_t result=0; - - __ASM volatile ("MRS %0, msp\n\t" - "MOV r0, %0 \n\t" - "BX lr \n\t" : "=r" (result) ); - return(result); -} - -/** - * @brief Set the Main Stack Pointer - * - * @param topOfMainStack Main Stack Pointer - * - * Assign the value mainStackPointer to the MSP - * (main stack pointer) Cortex processor register - */ -void __set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) ); -void __set_MSP(uint32_t topOfMainStack) -{ - __ASM volatile ("MSR msp, %0\n\t" - "BX lr \n\t" : : "r" (topOfMainStack) ); -} - -/** - * @brief Return the Base Priority value - * - * @return 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 basePri BasePriority - * - * Set the base priority register - */ -void __set_BASEPRI(uint32_t value) -{ - __ASM volatile ("MSR basepri, %0" : : "r" (value) ); -} - -/** - * @brief Return the Priority Mask value - * - * @return PriMask - * - * Return 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 priMask PriMask - * - * 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 - * - * @return 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 faultMask faultMask value - * - * Set the fault mask register - */ -void __set_FAULTMASK(uint32_t faultMask) -{ - __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) ); -} - -/** - * @brief Return the Control Register value -* -* @return 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 control Control value - * - * Set the control register - */ -void __set_CONTROL(uint32_t control) -{ - __ASM volatile ("MSR control, %0" : : "r" (control) ); -} - - -/** - * @brief Reverse byte order in integer value - * - * @param value value to reverse - * @return 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 value value to reverse - * @return 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 value value to reverse - * @return 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 value value to reverse - * @return 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 (8 bit) - * - * @param *addr address pointer - * @return value of (*address) - * - * Exclusive LDR command for 8 bit value - */ -uint8_t __LDREXB(uint8_t *addr) -{ - uint8_t result=0; - - __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) ); - return(result); -} - -/** - * @brief LDR Exclusive (16 bit) - * - * @param *addr address pointer - * @return value of (*address) - * - * Exclusive LDR command for 16 bit values - */ -uint16_t __LDREXH(uint16_t *addr) -{ - uint16_t result=0; - - __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) ); - return(result); -} - -/** - * @brief LDR Exclusive (32 bit) - * - * @param *addr address pointer - * @return value of (*address) - * - * Exclusive LDR command for 32 bit values - */ -uint32_t __LDREXW(uint32_t *addr) -{ - uint32_t result=0; - - __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) ); - return(result); -} - -/** - * @brief STR Exclusive (8 bit) - * - * @param value value to store - * @param *addr address pointer - * @return successful / failed - * - * Exclusive STR command for 8 bit values - */ -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 (16 bit) - * - * @param value value to store - * @param *addr address pointer - * @return successful / failed - * - * Exclusive STR command for 16 bit values - */ -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 (32 bit) - * - * @param value value to store - * @param *addr address pointer - * @return successful / failed - * - * Exclusive STR command for 32 bit values - */ -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); -} - - -#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/ -/* TASKING carm specific functions */ - -/* - * The CMSIS functions have been implemented as intrinsics in the compiler. - * Please use "carm -?i" to get an up to date list of all instrinsics, - * Including the CMSIS ones. - */ - -#endif +/**************************************************************************//** + * @file core_cm3.c + * @brief CMSIS Cortex-M3 Core Peripheral Access Layer Source File + * @version V1.30 + * @date 30. October 2009 + * + * @note + * Copyright (C) 2009 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + +#include <stdint.h> + +/* define compiler specific symbols */ +#if defined ( __CC_ARM ) + #define __ASM __asm /*!< asm keyword for ARM Compiler */ + #define __INLINE __inline /*!< inline keyword for ARM Compiler */ + +#elif defined ( __ICCARM__ ) + #define __ASM __asm /*!< asm keyword for IAR Compiler */ + #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */ + +#elif defined ( __GNUC__ ) + #define __ASM __asm /*!< asm keyword for GNU Compiler */ + #define __INLINE inline /*!< inline keyword for GNU Compiler */ + +#elif defined ( __TASKING__ ) + #define __ASM __asm /*!< asm keyword for TASKING Compiler */ + #define __INLINE inline /*!< inline keyword for TASKING Compiler */ + +#endif + + +/* ################### Compiler specific Intrinsics ########################### */ + +#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ +/* ARM armcc specific functions */ + +/** + * @brief Return the Process Stack Pointer + * + * @return 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 topOfProcStack Process Stack Pointer + * + * 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 + * + * @return 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 topOfMainStack Main Stack Pointer + * + * 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 value value to reverse + * @return 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 value value to reverse + * @return 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 + * + * Removes the exclusive lock which is created by ldrex. + */ +__ASM void __CLREX(void) +{ + clrex +} + +/** + * @brief Return the Base Priority value + * + * @return 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 basePri BasePriority + * + * Set the base priority register + */ +__ASM void __set_BASEPRI(uint32_t basePri) +{ + msr basepri, r0 + bx lr +} + +/** + * @brief Return the Priority Mask value + * + * @return PriMask + * + * Return 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 priMask PriMask + * + * 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 + * + * @return 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 faultMask faultMask value + * + * Set the fault mask register + */ +__ASM void __set_FAULTMASK(uint32_t faultMask) +{ + msr faultmask, r0 + bx lr +} + +/** + * @brief Return the Control Register value + * + * @return 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 control Control value + * + * Set the control register + */ +__ASM void __set_CONTROL(uint32_t control) +{ + msr control, r0 + bx lr +} + +#endif /* __ARMCC_VERSION */ + + + +#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/ +/* IAR iccarm specific functions */ +#pragma diag_suppress=Pe940 + +/** + * @brief Return the Process Stack Pointer + * + * @return 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 topOfProcStack Process Stack Pointer + * + * 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 + * + * @return 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 topOfMainStack Main Stack Pointer + * + * 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 value value to reverse + * @return 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 value value to reverse + * @return reversed value + * + * Reverse bit order of value + */ +uint32_t __RBIT(uint32_t value) +{ + __ASM("rbit r0, r0"); + __ASM("bx lr"); +} + +/** + * @brief LDR Exclusive (8 bit) + * + * @param *addr address pointer + * @return value of (*address) + * + * Exclusive LDR command for 8 bit values) + */ +uint8_t __LDREXB(uint8_t *addr) +{ + __ASM("ldrexb r0, [r0]"); + __ASM("bx lr"); +} + +/** + * @brief LDR Exclusive (16 bit) + * + * @param *addr address pointer + * @return value of (*address) + * + * Exclusive LDR command for 16 bit values + */ +uint16_t __LDREXH(uint16_t *addr) +{ + __ASM("ldrexh r0, [r0]"); + __ASM("bx lr"); +} + +/** + * @brief LDR Exclusive (32 bit) + * + * @param *addr address pointer + * @return value of (*address) + * + * Exclusive LDR command for 32 bit values + */ +uint32_t __LDREXW(uint32_t *addr) +{ + __ASM("ldrex r0, [r0]"); + __ASM("bx lr"); +} + +/** + * @brief STR Exclusive (8 bit) + * + * @param value value to store + * @param *addr address pointer + * @return successful / failed + * + * Exclusive STR command for 8 bit values + */ +uint32_t __STREXB(uint8_t value, uint8_t *addr) +{ + __ASM("strexb r0, r0, [r1]"); + __ASM("bx lr"); +} + +/** + * @brief STR Exclusive (16 bit) + * + * @param value value to store + * @param *addr address pointer + * @return successful / failed + * + * Exclusive STR command for 16 bit values + */ +uint32_t __STREXH(uint16_t value, uint16_t *addr) +{ + __ASM("strexh r0, r0, [r1]"); + __ASM("bx lr"); +} + +/** + * @brief STR Exclusive (32 bit) + * + * @param value value to store + * @param *addr address pointer + * @return successful / failed + * + * Exclusive STR command for 32 bit values + */ +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 ---------------------*/ +/* GNU gcc specific functions */ + +/** + * @brief Return the Process Stack Pointer + * + * @return ProcessStackPointer + * + * Return the actual process stack pointer + */ +uint32_t __get_PSP(void) __attribute__( ( naked ) ); +uint32_t __get_PSP(void) +{ + uint32_t result=0; + + __ASM volatile ("MRS %0, psp\n\t" + "MOV r0, %0 \n\t" + "BX lr \n\t" : "=r" (result) ); + return(result); +} + +/** + * @brief Set the Process Stack Pointer + * + * @param topOfProcStack Process Stack Pointer + * + * Assign the value ProcessStackPointer to the MSP + * (process stack pointer) Cortex processor register + */ +void __set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) ); +void __set_PSP(uint32_t topOfProcStack) +{ + __ASM volatile ("MSR psp, %0\n\t" + "BX lr \n\t" : : "r" (topOfProcStack) ); +} + +/** + * @brief Return the Main Stack Pointer + * + * @return Main Stack Pointer + * + * Return the current value of the MSP (main stack pointer) + * Cortex processor register + */ +uint32_t __get_MSP(void) __attribute__( ( naked ) ); +uint32_t __get_MSP(void) +{ + uint32_t result=0; + + __ASM volatile ("MRS %0, msp\n\t" + "MOV r0, %0 \n\t" + "BX lr \n\t" : "=r" (result) ); + return(result); +} + +/** + * @brief Set the Main Stack Pointer + * + * @param topOfMainStack Main Stack Pointer + * + * Assign the value mainStackPointer to the MSP + * (main stack pointer) Cortex processor register + */ +void __set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) ); +void __set_MSP(uint32_t topOfMainStack) +{ + __ASM volatile ("MSR msp, %0\n\t" + "BX lr \n\t" : : "r" (topOfMainStack) ); +} + +/** + * @brief Return the Base Priority value + * + * @return 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 basePri BasePriority + * + * Set the base priority register + */ +void __set_BASEPRI(uint32_t value) +{ + __ASM volatile ("MSR basepri, %0" : : "r" (value) ); +} + +/** + * @brief Return the Priority Mask value + * + * @return PriMask + * + * Return 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 priMask PriMask + * + * 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 + * + * @return 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 faultMask faultMask value + * + * Set the fault mask register + */ +void __set_FAULTMASK(uint32_t faultMask) +{ + __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) ); +} + +/** + * @brief Return the Control Register value +* +* @return 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 control Control value + * + * Set the control register + */ +void __set_CONTROL(uint32_t control) +{ + __ASM volatile ("MSR control, %0" : : "r" (control) ); +} + + +/** + * @brief Reverse byte order in integer value + * + * @param value value to reverse + * @return 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 value value to reverse + * @return 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 value value to reverse + * @return 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 value value to reverse + * @return 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 (8 bit) + * + * @param *addr address pointer + * @return value of (*address) + * + * Exclusive LDR command for 8 bit value + */ +uint8_t __LDREXB(uint8_t *addr) +{ + uint8_t result=0; + + __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) ); + return(result); +} + +/** + * @brief LDR Exclusive (16 bit) + * + * @param *addr address pointer + * @return value of (*address) + * + * Exclusive LDR command for 16 bit values + */ +uint16_t __LDREXH(uint16_t *addr) +{ + uint16_t result=0; + + __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) ); + return(result); +} + +/** + * @brief LDR Exclusive (32 bit) + * + * @param *addr address pointer + * @return value of (*address) + * + * Exclusive LDR command for 32 bit values + */ +uint32_t __LDREXW(uint32_t *addr) +{ + uint32_t result=0; + + __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) ); + return(result); +} + +/** + * @brief STR Exclusive (8 bit) + * + * @param value value to store + * @param *addr address pointer + * @return successful / failed + * + * Exclusive STR command for 8 bit values + */ +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 (16 bit) + * + * @param value value to store + * @param *addr address pointer + * @return successful / failed + * + * Exclusive STR command for 16 bit values + */ +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 (32 bit) + * + * @param value value to store + * @param *addr address pointer + * @return successful / failed + * + * Exclusive STR command for 32 bit values + */ +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); +} + + +#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/ +/* TASKING carm specific functions */ + +/* + * The CMSIS functions have been implemented as intrinsics in the compiler. + * Please use "carm -?i" to get an up to date list of all instrinsics, + * Including the CMSIS ones. + */ + +#endif -- Gitblit v1.9.1