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Added ARM CMSIS for fast math and circle drawing function for ili9328 driver.
Added ARM CMSIS for fast math and circle drawing function for ili9328 driver.
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core_cmFunc.h
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/**************************************************************************//**
* @file core_cmFunc.h
* @brief CMSIS Cortex-M Core Function Access Header File
* @version V2.10
* @date 26. July 2011
*
* @note
* Copyright (C) 2009-2011 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.
*
******************************************************************************/
#ifndef __CORE_CMFUNC_H
#define __CORE_CMFUNC_H
/* ########################### Core Function Access ########################### */
/** \ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
@{
*/
#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
/* ARM armcc specific functions */
#if (__ARMCC_VERSION < 400677)
#error "Please use ARM Compiler Toolchain V4.0.677 or later!"
#endif
/* intrinsic void __enable_irq(); */
/* intrinsic void __disable_irq(); */
/** \brief Get Control Register
This function returns the content of the Control Register.
\return Control Register value
*/
static __INLINE uint32_t __get_CONTROL(void)
{
register uint32_t __regControl __ASM("control");
return(__regControl);
}
/** \brief Set Control Register
This function writes the given value to the Control Register.
\param [in] control Control Register value to set
*/
static __INLINE void __set_CONTROL(uint32_t control)
{
register uint32_t __regControl __ASM("control");
__regControl = control;
}
/** \brief Get ISPR Register
This function returns the content of the ISPR Register.
\return ISPR Register value
*/
static __INLINE uint32_t __get_IPSR(void)
{
register uint32_t __regIPSR __ASM("ipsr");
return(__regIPSR);
}
/** \brief Get APSR Register
This function returns the content of the APSR Register.
\return APSR Register value
*/
static __INLINE uint32_t __get_APSR(void)
{
register uint32_t __regAPSR __ASM("apsr");
return(__regAPSR);
}
/** \brief Get xPSR Register
This function returns the content of the xPSR Register.
\return xPSR Register value
*/
static __INLINE uint32_t __get_xPSR(void)
{
register uint32_t __regXPSR __ASM("xpsr");
return(__regXPSR);
}
/** \brief Get Process Stack Pointer
This function returns the current value of the Process Stack Pointer (PSP).
\return PSP Register value
*/
static __INLINE uint32_t __get_PSP(void)
{
register uint32_t __regProcessStackPointer __ASM("psp");
return(__regProcessStackPointer);
}
/** \brief Set Process Stack Pointer
This function assigns the given value to the Process Stack Pointer (PSP).
\param [in] topOfProcStack Process Stack Pointer value to set
*/
static __INLINE void __set_PSP(uint32_t topOfProcStack)
{
register uint32_t __regProcessStackPointer __ASM("psp");
__regProcessStackPointer = topOfProcStack;
}
/** \brief Get Main Stack Pointer
This function returns the current value of the Main Stack Pointer (MSP).
\return MSP Register value
*/
static __INLINE uint32_t __get_MSP(void)
{
register uint32_t __regMainStackPointer __ASM("msp");
return(__regMainStackPointer);
}
/** \brief Set Main Stack Pointer
This function assigns the given value to the Main Stack Pointer (MSP).
\param [in] topOfMainStack Main Stack Pointer value to set
*/
static __INLINE void __set_MSP(uint32_t topOfMainStack)
{
register uint32_t __regMainStackPointer __ASM("msp");
__regMainStackPointer = topOfMainStack;
}
/** \brief Get Priority Mask
This function returns the current state of the priority mask bit from the Priority Mask Register.
\return Priority Mask value
*/
static __INLINE uint32_t __get_PRIMASK(void)
{
register uint32_t __regPriMask __ASM("primask");
return(__regPriMask);
}
/** \brief Set Priority Mask
This function assigns the given value to the Priority Mask Register.
\param [in] priMask Priority Mask
*/
static __INLINE void __set_PRIMASK(uint32_t priMask)
{
register uint32_t __regPriMask __ASM("primask");
__regPriMask = (priMask);
}
#if (__CORTEX_M >= 0x03)
/** \brief Enable FIQ
This function enables FIQ interrupts by clearing the F-bit in the CPSR.
Can only be executed in Privileged modes.
*/
#define __enable_fault_irq __enable_fiq
/** \brief Disable FIQ
This function disables FIQ interrupts by setting the F-bit in the CPSR.
Can only be executed in Privileged modes.
*/
#define __disable_fault_irq __disable_fiq
/** \brief Get Base Priority
This function returns the current value of the Base Priority register.
\return Base Priority register value
*/
static __INLINE uint32_t __get_BASEPRI(void)
{
register uint32_t __regBasePri __ASM("basepri");
return(__regBasePri);
}
/** \brief Set Base Priority
This function assigns the given value to the Base Priority register.
\param [in] basePri Base Priority value to set
*/
static __INLINE void __set_BASEPRI(uint32_t basePri)
{
register uint32_t __regBasePri __ASM("basepri");
__regBasePri = (basePri & 0xff);
}
/** \brief Get Fault Mask
This function returns the current value of the Fault Mask register.
\return Fault Mask register value
*/
static __INLINE uint32_t __get_FAULTMASK(void)
{
register uint32_t __regFaultMask __ASM("faultmask");
return(__regFaultMask);
}
/** \brief Set Fault Mask
This function assigns the given value to the Fault Mask register.
\param [in] faultMask Fault Mask value to set
*/
static __INLINE void __set_FAULTMASK(uint32_t faultMask)
{
register uint32_t __regFaultMask __ASM("faultmask");
__regFaultMask = (faultMask & (uint32_t)1);
}
#endif /* (__CORTEX_M >= 0x03) */
#if (__CORTEX_M == 0x04)
/** \brief Get FPSCR
This function returns the current value of the Floating Point Status/Control register.
\return Floating Point Status/Control register value
*/
static __INLINE uint32_t __get_FPSCR(void)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
register uint32_t __regfpscr __ASM("fpscr");
return(__regfpscr);
#else
return(0);
#endif
}
/** \brief Set FPSCR
This function assigns the given value to the Floating Point Status/Control register.
\param [in] fpscr Floating Point Status/Control value to set
*/
static __INLINE void __set_FPSCR(uint32_t fpscr)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
register uint32_t __regfpscr __ASM("fpscr");
__regfpscr = (fpscr);
#endif
}
#endif /* (__CORTEX_M == 0x04) */
#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
/* IAR iccarm specific functions */
#include <cmsis_iar.h>
#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
/* GNU gcc specific functions */
/** \brief Enable IRQ Interrupts
This function enables IRQ interrupts by clearing the I-bit in the CPSR.
Can only be executed in Privileged modes.
*/
__attribute__( ( always_inline ) ) static __INLINE void __enable_irq(void)
{
__ASM volatile ("cpsie i");
}
/** \brief Disable IRQ Interrupts
This function disables IRQ interrupts by setting the I-bit in the CPSR.
Can only be executed in Privileged modes.
*/
__attribute__( ( always_inline ) ) static __INLINE void __disable_irq(void)
{
__ASM volatile ("cpsid i");
}
/** \brief Get Control Register
This function returns the content of the Control Register.
\return Control Register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_CONTROL(void)
{
uint32_t result;
__ASM volatile ("MRS %0, control" : "=r" (result) );
return(result);
}
/** \brief Set Control Register
This function writes the given value to the Control Register.
\param [in] control Control Register value to set
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_CONTROL(uint32_t control)
{
__ASM volatile ("MSR control, %0" : : "r" (control) );
}
/** \brief Get ISPR Register
This function returns the content of the ISPR Register.
\return ISPR Register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_IPSR(void)
{
uint32_t result;
__ASM volatile ("MRS %0, ipsr" : "=r" (result) );
return(result);
}
/** \brief Get APSR Register
This function returns the content of the APSR Register.
\return APSR Register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_APSR(void)
{
uint32_t result;
__ASM volatile ("MRS %0, apsr" : "=r" (result) );
return(result);
}
/** \brief Get xPSR Register
This function returns the content of the xPSR Register.
\return xPSR Register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_xPSR(void)
{
uint32_t result;
__ASM volatile ("MRS %0, xpsr" : "=r" (result) );
return(result);
}
/** \brief Get Process Stack Pointer
This function returns the current value of the Process Stack Pointer (PSP).
\return PSP Register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PSP(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, psp\n" : "=r" (result) );
return(result);
}
/** \brief Set Process Stack Pointer
This function assigns the given value to the Process Stack Pointer (PSP).
\param [in] topOfProcStack Process Stack Pointer value to set
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_PSP(uint32_t topOfProcStack)
{
__ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) );
}
/** \brief Get Main Stack Pointer
This function returns the current value of the Main Stack Pointer (MSP).
\return MSP Register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_MSP(void)
{
register uint32_t result;
__ASM volatile ("MRS %0, msp\n" : "=r" (result) );
return(result);
}
/** \brief Set Main Stack Pointer
This function assigns the given value to the Main Stack Pointer (MSP).
\param [in] topOfMainStack Main Stack Pointer value to set
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_MSP(uint32_t topOfMainStack)
{
__ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) );
}
/** \brief Get Priority Mask
This function returns the current state of the priority mask bit from the Priority Mask Register.
\return Priority Mask value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PRIMASK(void)
{
uint32_t result;
__ASM volatile ("MRS %0, primask" : "=r" (result) );
return(result);
}
/** \brief Set Priority Mask
This function assigns the given value to the Priority Mask Register.
\param [in] priMask Priority Mask
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_PRIMASK(uint32_t priMask)
{
__ASM volatile ("MSR primask, %0" : : "r" (priMask) );
}
#if (__CORTEX_M >= 0x03)
/** \brief Enable FIQ
This function enables FIQ interrupts by clearing the F-bit in the CPSR.
Can only be executed in Privileged modes.
*/
__attribute__( ( always_inline ) ) static __INLINE void __enable_fault_irq(void)
{
__ASM volatile ("cpsie f");
}
/** \brief Disable FIQ
This function disables FIQ interrupts by setting the F-bit in the CPSR.
Can only be executed in Privileged modes.
*/
__attribute__( ( always_inline ) ) static __INLINE void __disable_fault_irq(void)
{
__ASM volatile ("cpsid f");
}
/** \brief Get Base Priority
This function returns the current value of the Base Priority register.
\return Base Priority register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_BASEPRI(void)
{
uint32_t result;
__ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
return(result);
}
/** \brief Set Base Priority
This function assigns the given value to the Base Priority register.
\param [in] basePri Base Priority value to set
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_BASEPRI(uint32_t value)
{
__ASM volatile ("MSR basepri, %0" : : "r" (value) );
}
/** \brief Get Fault Mask
This function returns the current value of the Fault Mask register.
\return Fault Mask register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FAULTMASK(void)
{
uint32_t result;
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
return(result);
}
/** \brief Set Fault Mask
This function assigns the given value to the Fault Mask register.
\param [in] faultMask Fault Mask value to set
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_FAULTMASK(uint32_t faultMask)
{
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
}
#endif /* (__CORTEX_M >= 0x03) */
#if (__CORTEX_M == 0x04)
/** \brief Get FPSCR
This function returns the current value of the Floating Point Status/Control register.
\return Floating Point Status/Control register value
*/
__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FPSCR(void)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
uint32_t result;
__ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
return(result);
#else
return(0);
#endif
}
/** \brief Set FPSCR
This function assigns the given value to the Floating Point Status/Control register.
\param [in] fpscr Floating Point Status/Control value to set
*/
__attribute__( ( always_inline ) ) static __INLINE void __set_FPSCR(uint32_t fpscr)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
__ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) );
#endif
}
#endif /* (__CORTEX_M == 0x04) */
#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
/*@} end of CMSIS_Core_RegAccFunctions */
#endif /* __CORE_CMFUNC_H */