mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-08-19 09:38:32 -04:00
Add FreeRTOS-Plus directory.
This commit is contained in:
parent
7bd5f21ad5
commit
f508a5f653
6798 changed files with 134949 additions and 19 deletions
|
@ -0,0 +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
|
|
@ -0,0 +1,109 @@
|
|||
/**************************************************************************//**
|
||||
* @file
|
||||
* @brief CMSIS Cortex-M3 Peripheral Access Layer for EFM32 Gxxx Device series
|
||||
*
|
||||
* This is a convenience header file for defining the EFM32 part number on the
|
||||
* build command line, instead of specifying the part specific header file.
|
||||
* @verbatim
|
||||
* Example: Add "-DEFM32G890F128" to your build options, to define part
|
||||
* Add "#include "EFM32G.h" to your source files
|
||||
* @endverbatim
|
||||
* @author Energy Micro AS
|
||||
* @version 1.0.2
|
||||
******************************************************************************
|
||||
* @section License
|
||||
* <b>(C) Copyright 2009 Energy Micro AS, http://www.energymicro.com</b>
|
||||
******************************************************************************
|
||||
*
|
||||
* This source code is the property of Energy Micro AS. The source and compiled
|
||||
* code may only be used on Energy Micro "EFM32" microcontrollers.
|
||||
*
|
||||
* This copyright notice may not be removed from the source code nor changed.
|
||||
*
|
||||
* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
|
||||
* obligation to support this Software. Energy Micro AS is providing the
|
||||
* Software "AS IS", with no express or implied warranties of any kind,
|
||||
* including, but not limited to, any implied warranties of merchantability
|
||||
* or fitness for any particular purpose or warranties against infringement
|
||||
* of any proprietary rights of a third party.
|
||||
*
|
||||
* Energy Micro AS will not be liable for any consequential, incidental, or
|
||||
* special damages, or any other relief, or for any claim by any third party,
|
||||
* arising from your use of this Software.
|
||||
*
|
||||
*****************************************************************************/
|
||||
|
||||
#ifndef __EFM32_H
|
||||
#define __EFM32_H
|
||||
|
||||
#if defined(EFM32G200F16)
|
||||
#include "efm32g200f16.h"
|
||||
|
||||
#elif defined(EFM32G200F32)
|
||||
#include "efm32g200f32.h"
|
||||
|
||||
#elif defined(EFM32G200F64)
|
||||
#include "efm32g200f64.h"
|
||||
|
||||
#elif defined(EFM32G210F128)
|
||||
#include "efm32g210f128.h"
|
||||
|
||||
#elif defined(EFM32G230F128)
|
||||
#include "efm32g230f128.h"
|
||||
|
||||
#elif defined(EFM32G230F32)
|
||||
#include "efm32g230f32.h"
|
||||
|
||||
#elif defined(EFM32G230F64)
|
||||
#include "efm32g230f64.h"
|
||||
|
||||
#elif defined(EFM32G280F128)
|
||||
#include "efm32g280f128.h"
|
||||
|
||||
#elif defined(EFM32G280F32)
|
||||
#include "efm32g280f32.h"
|
||||
|
||||
#elif defined(EFM32G280F64)
|
||||
#include "efm32g280f64.h"
|
||||
|
||||
#elif defined(EFM32G290F128)
|
||||
#include "efm32g290f128.h"
|
||||
|
||||
#elif defined(EFM32G290F32)
|
||||
#include "efm32g290f32.h"
|
||||
|
||||
#elif defined(EFM32G290F64)
|
||||
#include "efm32g290f64.h"
|
||||
|
||||
#elif defined(EFM32G840F128)
|
||||
#include "efm32g840f128.h"
|
||||
|
||||
#elif defined(EFM32G840F32)
|
||||
#include "efm32g840f32.h"
|
||||
|
||||
#elif defined(EFM32G840F64)
|
||||
#include "efm32g840f64.h"
|
||||
|
||||
#elif defined(EFM32G880F128)
|
||||
#include "efm32g880f128.h"
|
||||
|
||||
#elif defined(EFM32G880F32)
|
||||
#include "efm32g880f32.h"
|
||||
|
||||
#elif defined(EFM32G880F64)
|
||||
#include "efm32g880f64.h"
|
||||
|
||||
#elif defined(EFM32G890F128)
|
||||
#include "efm32g890f128.h"
|
||||
|
||||
#elif defined(EFM32G890F32)
|
||||
#include "efm32g890f32.h"
|
||||
|
||||
#elif defined(EFM32G890F64)
|
||||
#include "efm32g890f64.h"
|
||||
|
||||
#else
|
||||
#error "efm32.h: PART NUMBER undefined"
|
||||
#endif
|
||||
|
||||
#endif
|
File diff suppressed because it is too large
Load diff
|
@ -0,0 +1,126 @@
|
|||
/**************************************************************************//**
|
||||
* @file
|
||||
* @brief CMSIS Cortex-M3 Peripheral Access Layer for EFM32 devices
|
||||
*
|
||||
* @author Energy Micro AS
|
||||
* @version 1.0.2
|
||||
******************************************************************************
|
||||
* @section License
|
||||
* <b>(C) Copyright 2009 Energy Micro AS, http://www.energymicro.com</b>
|
||||
******************************************************************************
|
||||
*
|
||||
* This source code is the property of Energy Micro AS. The source and compiled
|
||||
* code may only be used on Energy Micro "EFM32" microcontrollers.
|
||||
*
|
||||
* This copyright notice may not be removed from the source code nor changed.
|
||||
*
|
||||
* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
|
||||
* obligation to support this Software. Energy Micro AS is providing the
|
||||
* Software "AS IS", with no express or implied warranties of any kind,
|
||||
* including, but not limited to, any implied warranties of merchantability
|
||||
* or fitness for any particular purpose or warranties against infringement
|
||||
* of any proprietary rights of a third party.
|
||||
*
|
||||
* Energy Micro AS will not be liable for any consequential, incidental, or
|
||||
* special damages, or any other relief, or for any claim by any third party,
|
||||
* arising from your use of this Software.
|
||||
*
|
||||
*****************************************************************************/
|
||||
|
||||
#include <stdint.h>
|
||||
#include "efm32.h"
|
||||
|
||||
uint32_t SystemCoreClock; /**< System Clock Frequency (Core Clock) */
|
||||
|
||||
#ifndef EFM32_HFXO_FREQ
|
||||
#define EFM32_HFXO_FREQ 32000000
|
||||
#endif
|
||||
#ifndef EFM32_LFXO_FREQ
|
||||
#define EFM32_LFXO_FREQ 32768
|
||||
#endif
|
||||
#ifndef EFM32_LFRCO_FREQ
|
||||
#define EFM32_LFRCO_FREQ 32768
|
||||
#endif
|
||||
|
||||
/**************************************************************************//**
|
||||
* @brief Initialize the system
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Setup the microcontroller system.
|
||||
* Initialize the System and update the SystemCoreClock variable.
|
||||
*****************************************************************************/
|
||||
void SystemInit(void)
|
||||
{
|
||||
#if EFM32_AUXHFROCO_ENABLE
|
||||
CMU_TypeDef *cmu = CMU;
|
||||
|
||||
/* Enable clocks to debug modules in Cortex */
|
||||
/* This will enable Debug Trace and MSC Flash programming clocks */
|
||||
cmu->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
|
||||
#endif
|
||||
}
|
||||
|
||||
/**************************************************************************//**
|
||||
* @brief Update SystemCoreClock variable
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Updates the SystemCoreClock with current core Clock
|
||||
* retrieved from cpu registers.
|
||||
*****************************************************************************/
|
||||
void SystemCoreClockUpdate(void)
|
||||
{
|
||||
CMU_TypeDef *cmu = CMU;
|
||||
uint32_t inputClock;
|
||||
|
||||
/* Check source for core clock */
|
||||
switch (cmu->STATUS &
|
||||
(CMU_STATUS_HFRCOSEL |
|
||||
CMU_STATUS_HFXOSEL |
|
||||
CMU_STATUS_LFRCOSEL |
|
||||
CMU_STATUS_LFXOSEL))
|
||||
{
|
||||
case CMU_STATUS_HFXOSEL:
|
||||
inputClock = EFM32_HFXO_FREQ;
|
||||
break;
|
||||
case CMU_STATUS_LFRCOSEL:
|
||||
inputClock = EFM32_LFRCO_FREQ;
|
||||
break;
|
||||
case CMU_STATUS_LFXOSEL:
|
||||
inputClock = EFM32_LFXO_FREQ;
|
||||
break;
|
||||
case CMU_STATUS_HFRCOSEL:
|
||||
default:
|
||||
switch ((cmu->HFRCOCTRL & _CMU_HFRCOCTRL_BAND_MASK) >> _CMU_HFRCOCTRL_BAND_SHIFT)
|
||||
{
|
||||
case _CMU_HFRCOCTRL_BAND_28MHZ:
|
||||
inputClock = 28000000;
|
||||
break;
|
||||
case _CMU_HFRCOCTRL_BAND_21MHZ:
|
||||
inputClock = 21000000;
|
||||
break;
|
||||
case _CMU_HFRCOCTRL_BAND_14MHZ:
|
||||
inputClock = 14000000;
|
||||
break;
|
||||
case _CMU_HFRCOCTRL_BAND_11MHZ:
|
||||
inputClock = 11000000;
|
||||
break;
|
||||
case _CMU_HFRCOCTRL_BAND_7MHZ:
|
||||
inputClock = 7000000;
|
||||
break;
|
||||
case _CMU_HFRCOCTRL_BAND_1MHZ:
|
||||
inputClock = 1500000;
|
||||
break;
|
||||
default:
|
||||
inputClock = 0;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
/* Adjust according to clock divisor */
|
||||
SystemCoreClock = inputClock / (1<<((cmu->HFCORECLKDIV & _CMU_HFCORECLKDIV_MASK)>>_CMU_HFCORECLKDIV_HFCORECLKDIV_SHIFT));
|
||||
}
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
/**************************************************************************//**
|
||||
* @file
|
||||
* @brief CMSIS Cortex-M3 Peripheral Access Layer for EFM32 devices
|
||||
*
|
||||
* @author Energy Micro AS
|
||||
* @version 1.0.2
|
||||
******************************************************************************
|
||||
* @section License
|
||||
* <b>(C) Copyright 2009 Energy Micro AS, http://www.energymicro.com</b>
|
||||
******************************************************************************
|
||||
*
|
||||
* This source code is the property of Energy Micro AS. The source and compiled
|
||||
* code may only be used on Energy Micro "EFM32" microcontrollers.
|
||||
*
|
||||
* This copyright notice may not be removed from the source code nor changed.
|
||||
*
|
||||
* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
|
||||
* obligation to support this Software. Energy Micro AS is providing the
|
||||
* Software "AS IS", with no express or implied warranties of any kind,
|
||||
* including, but not limited to, any implied warranties of merchantability
|
||||
* or fitness for any particular purpose or warranties against infringement
|
||||
* of any proprietary rights of a third party.
|
||||
*
|
||||
* Energy Micro AS will not be liable for any consequential, incidental, or
|
||||
* special damages, or any other relief, or for any claim by any third party,
|
||||
* arising from your use of this Software.
|
||||
*
|
||||
*****************************************************************************/
|
||||
|
||||
#ifndef __SYSTEM_EFM32_H
|
||||
#define __SYSTEM_EFM32_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
extern uint32_t SystemCoreClock; /**< System Clock Frequency (Core Clock) */
|
||||
|
||||
/**************************************************************************//**
|
||||
* @brief Initialize the system
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Setup the microcontroller system.
|
||||
* Initialize the System and update the SystemCoreClock variable.
|
||||
*****************************************************************************/
|
||||
extern void SystemInit(void);
|
||||
|
||||
/**************************************************************************//**
|
||||
* @brief Update SystemCoreClock variable
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Updates the SystemCoreClock with current core Clock
|
||||
* retrieved from cpu registers.
|
||||
*****************************************************************************/
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
Loading…
Add table
Add a link
Reference in a new issue