CMake-armcc/Drivers/CMSIS/Include/core_armv81mml.h [2541:2953]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SCB_NS->AIRCR = reg_value;
}
/**
\brief Get Priority Grouping (non-secure)
\details Reads the priority grouping field from the non-secure NVIC when in secure state.
\return Priority grouping field (SCB->AIRCR [10:8] PRIGROUP field).
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetPriorityGrouping_NS(void)
{
return ((uint32_t)((SCB_NS->AIRCR & SCB_AIRCR_PRIGROUP_Msk) >> SCB_AIRCR_PRIGROUP_Pos));
}
/**
\brief Enable Interrupt (non-secure)
\details Enables a device specific interrupt in the non-secure NVIC interrupt controller when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_EnableIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ISER[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Get Interrupt Enable status (non-secure)
\details Returns a device specific interrupt enable status from the non-secure NVIC interrupt controller when in secure state.
\param [in] IRQn Device specific interrupt number.
\return 0 Interrupt is not enabled.
\return 1 Interrupt is enabled.
\note IRQn must not be negative.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetEnableIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return((uint32_t)(((NVIC_NS->ISER[(((uint32_t)IRQn) >> 5UL)] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
}
else
{
return(0U);
}
}
/**
\brief Disable Interrupt (non-secure)
\details Disables a device specific interrupt in the non-secure NVIC interrupt controller when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_DisableIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ICER[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Get Pending Interrupt (non-secure)
\details Reads the NVIC pending register in the non-secure NVIC when in secure state and returns the pending bit for the specified device specific interrupt.
\param [in] IRQn Device specific interrupt number.
\return 0 Interrupt status is not pending.
\return 1 Interrupt status is pending.
\note IRQn must not be negative.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetPendingIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return((uint32_t)(((NVIC_NS->ISPR[(((uint32_t)IRQn) >> 5UL)] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
}
else
{
return(0U);
}
}
/**
\brief Set Pending Interrupt (non-secure)
\details Sets the pending bit of a device specific interrupt in the non-secure NVIC pending register when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_SetPendingIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ISPR[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Clear Pending Interrupt (non-secure)
\details Clears the pending bit of a device specific interrupt in the non-secure NVIC pending register when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_ClearPendingIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ICPR[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Get Active Interrupt (non-secure)
\details Reads the active register in non-secure NVIC when in secure state and returns the active bit for the device specific interrupt.
\param [in] IRQn Device specific interrupt number.
\return 0 Interrupt status is not active.
\return 1 Interrupt status is active.
\note IRQn must not be negative.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetActive_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return((uint32_t)(((NVIC_NS->IABR[(((uint32_t)IRQn) >> 5UL)] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
}
else
{
return(0U);
}
}
/**
\brief Set Interrupt Priority (non-secure)
\details Sets the priority of a non-secure device specific interrupt or a non-secure processor exception when in secure state.
The interrupt number can be positive to specify a device specific interrupt,
or negative to specify a processor exception.
\param [in] IRQn Interrupt number.
\param [in] priority Priority to set.
\note The priority cannot be set for every non-secure processor exception.
*/
__STATIC_INLINE void TZ_NVIC_SetPriority_NS(IRQn_Type IRQn, uint32_t priority)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->IPR[((uint32_t)IRQn)] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL);
}
else
{
SCB_NS->SHPR[(((uint32_t)IRQn) & 0xFUL)-4UL] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL);
}
}
/**
\brief Get Interrupt Priority (non-secure)
\details Reads the priority of a non-secure device specific interrupt or a non-secure processor exception when in secure state.
The interrupt number can be positive to specify a device specific interrupt,
or negative to specify a processor exception.
\param [in] IRQn Interrupt number.
\return Interrupt Priority. Value is aligned automatically to the implemented priority bits of the microcontroller.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetPriority_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return(((uint32_t)NVIC_NS->IPR[((uint32_t)IRQn)] >> (8U - __NVIC_PRIO_BITS)));
}
else
{
return(((uint32_t)SCB_NS->SHPR[(((uint32_t)IRQn) & 0xFUL)-4UL] >> (8U - __NVIC_PRIO_BITS)));
}
}
#endif /* defined (__ARM_FEATURE_CMSE) &&(__ARM_FEATURE_CMSE == 3U) */
/*@} end of CMSIS_Core_NVICFunctions */
/* ########################## MPU functions #################################### */
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
#include "mpu_armv8.h"
#endif
/* ########################## FPU functions #################################### */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_FpuFunctions FPU Functions
\brief Function that provides FPU type.
@{
*/
/**
\brief get FPU type
\details returns the FPU type
\returns
- \b 0: No FPU
- \b 1: Single precision FPU
- \b 2: Double + Single precision FPU
*/
__STATIC_INLINE uint32_t SCB_GetFPUType(void)
{
uint32_t mvfr0;
mvfr0 = FPU->MVFR0;
if ((mvfr0 & (FPU_MVFR0_Single_precision_Msk | FPU_MVFR0_Double_precision_Msk)) == 0x220U)
{
return 2U; /* Double + Single precision FPU */
}
else if ((mvfr0 & (FPU_MVFR0_Single_precision_Msk | FPU_MVFR0_Double_precision_Msk)) == 0x020U)
{
return 1U; /* Single precision FPU */
}
else
{
return 0U; /* No FPU */
}
}
/*@} end of CMSIS_Core_FpuFunctions */
/* ########################## SAU functions #################################### */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_SAUFunctions SAU Functions
\brief Functions that configure the SAU.
@{
*/
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
/**
\brief Enable SAU
\details Enables the Security Attribution Unit (SAU).
*/
__STATIC_INLINE void TZ_SAU_Enable(void)
{
SAU->CTRL |= (SAU_CTRL_ENABLE_Msk);
}
/**
\brief Disable SAU
\details Disables the Security Attribution Unit (SAU).
*/
__STATIC_INLINE void TZ_SAU_Disable(void)
{
SAU->CTRL &= ~(SAU_CTRL_ENABLE_Msk);
}
#endif /* defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
/*@} end of CMSIS_Core_SAUFunctions */
/* ################################## SysTick function ############################################ */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_SysTickFunctions SysTick Functions
\brief Functions that configure the System.
@{
*/
#if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
/**
\brief System Tick Configuration
\details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
Counter is in free running mode to generate periodic interrupts.
\param [in] ticks Number of ticks between two interrupts.
\return 0 Function succeeded.
\return 1 Function failed.
\note When the variable __Vendor_SysTickConfig is set to 1, then the
function SysTick_Config is not included. In this case, the file device.h
must contain a vendor-specific implementation of this function.
*/
__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
{
if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
{
return (1UL); /* Reload value impossible */
}
SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
return (0UL); /* Function successful */
}
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
/**
\brief System Tick Configuration (non-secure)
\details Initializes the non-secure System Timer and its interrupt when in secure state, and starts the System Tick Timer.
Counter is in free running mode to generate periodic interrupts.
\param [in] ticks Number of ticks between two interrupts.
\return 0 Function succeeded.
\return 1 Function failed.
\note When the variable __Vendor_SysTickConfig is set to 1, then the
function TZ_SysTick_Config_NS is not included. In this case, the file device.h
must contain a vendor-specific implementation of this function.
*/
__STATIC_INLINE uint32_t TZ_SysTick_Config_NS(uint32_t ticks)
{
if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
{
return (1UL); /* Reload value impossible */
}
SysTick_NS->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
TZ_NVIC_SetPriority_NS (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
SysTick_NS->VAL = 0UL; /* Load the SysTick Counter Value */
SysTick_NS->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
return (0UL); /* Function successful */
}
#endif /* defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
#endif
/*@} end of CMSIS_Core_SysTickFunctions */
/* ##################################### Debug In/Output function ########################################### */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_core_DebugFunctions ITM Functions
\brief Functions that access the ITM debug interface.
@{
*/
extern volatile int32_t ITM_RxBuffer; /*!< External variable to receive characters. */
#define ITM_RXBUFFER_EMPTY ((int32_t)0x5AA55AA5U) /*!< Value identifying \ref ITM_RxBuffer is ready for next character. */
/**
\brief ITM Send Character
\details Transmits a character via the ITM channel 0, and
\li Just returns when no debugger is connected that has booked the output.
\li Is blocking when a debugger is connected, but the previous character sent has not been transmitted.
\param [in] ch Character to transmit.
\returns Character to transmit.
*/
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
{
if (((ITM->TCR & ITM_TCR_ITMENA_Msk) != 0UL) && /* ITM enabled */
((ITM->TER & 1UL ) != 0UL) ) /* ITM Port #0 enabled */
{
while (ITM->PORT[0U].u32 == 0UL)
{
__NOP();
}
ITM->PORT[0U].u8 = (uint8_t)ch;
}
return (ch);
}
/**
\brief ITM Receive Character
\details Inputs a character via the external variable \ref ITM_RxBuffer.
\return Received character.
\return -1 No character pending.
*/
__STATIC_INLINE int32_t ITM_ReceiveChar (void)
{
int32_t ch = -1; /* no character available */
if (ITM_RxBuffer != ITM_RXBUFFER_EMPTY)
{
ch = ITM_RxBuffer;
ITM_RxBuffer = ITM_RXBUFFER_EMPTY; /* ready for next character */
}
return (ch);
}
/**
\brief ITM Check Character
\details Checks whether a character is pending for reading in the variable \ref ITM_RxBuffer.
\return 0 No character available.
\return 1 Character available.
*/
__STATIC_INLINE int32_t ITM_CheckChar (void)
{
if (ITM_RxBuffer == ITM_RXBUFFER_EMPTY)
{
return (0); /* no character available */
}
else
{
return (1); /* character available */
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CMake-armcc/Drivers/CMSIS/Include/core_armv8mml.h [2408:2820]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SCB_NS->AIRCR = reg_value;
}
/**
\brief Get Priority Grouping (non-secure)
\details Reads the priority grouping field from the non-secure NVIC when in secure state.
\return Priority grouping field (SCB->AIRCR [10:8] PRIGROUP field).
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetPriorityGrouping_NS(void)
{
return ((uint32_t)((SCB_NS->AIRCR & SCB_AIRCR_PRIGROUP_Msk) >> SCB_AIRCR_PRIGROUP_Pos));
}
/**
\brief Enable Interrupt (non-secure)
\details Enables a device specific interrupt in the non-secure NVIC interrupt controller when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_EnableIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ISER[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Get Interrupt Enable status (non-secure)
\details Returns a device specific interrupt enable status from the non-secure NVIC interrupt controller when in secure state.
\param [in] IRQn Device specific interrupt number.
\return 0 Interrupt is not enabled.
\return 1 Interrupt is enabled.
\note IRQn must not be negative.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetEnableIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return((uint32_t)(((NVIC_NS->ISER[(((uint32_t)IRQn) >> 5UL)] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
}
else
{
return(0U);
}
}
/**
\brief Disable Interrupt (non-secure)
\details Disables a device specific interrupt in the non-secure NVIC interrupt controller when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_DisableIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ICER[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Get Pending Interrupt (non-secure)
\details Reads the NVIC pending register in the non-secure NVIC when in secure state and returns the pending bit for the specified device specific interrupt.
\param [in] IRQn Device specific interrupt number.
\return 0 Interrupt status is not pending.
\return 1 Interrupt status is pending.
\note IRQn must not be negative.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetPendingIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return((uint32_t)(((NVIC_NS->ISPR[(((uint32_t)IRQn) >> 5UL)] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
}
else
{
return(0U);
}
}
/**
\brief Set Pending Interrupt (non-secure)
\details Sets the pending bit of a device specific interrupt in the non-secure NVIC pending register when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_SetPendingIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ISPR[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Clear Pending Interrupt (non-secure)
\details Clears the pending bit of a device specific interrupt in the non-secure NVIC pending register when in secure state.
\param [in] IRQn Device specific interrupt number.
\note IRQn must not be negative.
*/
__STATIC_INLINE void TZ_NVIC_ClearPendingIRQ_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->ICPR[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
}
}
/**
\brief Get Active Interrupt (non-secure)
\details Reads the active register in non-secure NVIC when in secure state and returns the active bit for the device specific interrupt.
\param [in] IRQn Device specific interrupt number.
\return 0 Interrupt status is not active.
\return 1 Interrupt status is active.
\note IRQn must not be negative.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetActive_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return((uint32_t)(((NVIC_NS->IABR[(((uint32_t)IRQn) >> 5UL)] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
}
else
{
return(0U);
}
}
/**
\brief Set Interrupt Priority (non-secure)
\details Sets the priority of a non-secure device specific interrupt or a non-secure processor exception when in secure state.
The interrupt number can be positive to specify a device specific interrupt,
or negative to specify a processor exception.
\param [in] IRQn Interrupt number.
\param [in] priority Priority to set.
\note The priority cannot be set for every non-secure processor exception.
*/
__STATIC_INLINE void TZ_NVIC_SetPriority_NS(IRQn_Type IRQn, uint32_t priority)
{
if ((int32_t)(IRQn) >= 0)
{
NVIC_NS->IPR[((uint32_t)IRQn)] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL);
}
else
{
SCB_NS->SHPR[(((uint32_t)IRQn) & 0xFUL)-4UL] = (uint8_t)((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL);
}
}
/**
\brief Get Interrupt Priority (non-secure)
\details Reads the priority of a non-secure device specific interrupt or a non-secure processor exception when in secure state.
The interrupt number can be positive to specify a device specific interrupt,
or negative to specify a processor exception.
\param [in] IRQn Interrupt number.
\return Interrupt Priority. Value is aligned automatically to the implemented priority bits of the microcontroller.
*/
__STATIC_INLINE uint32_t TZ_NVIC_GetPriority_NS(IRQn_Type IRQn)
{
if ((int32_t)(IRQn) >= 0)
{
return(((uint32_t)NVIC_NS->IPR[((uint32_t)IRQn)] >> (8U - __NVIC_PRIO_BITS)));
}
else
{
return(((uint32_t)SCB_NS->SHPR[(((uint32_t)IRQn) & 0xFUL)-4UL] >> (8U - __NVIC_PRIO_BITS)));
}
}
#endif /* defined (__ARM_FEATURE_CMSE) &&(__ARM_FEATURE_CMSE == 3U) */
/*@} end of CMSIS_Core_NVICFunctions */
/* ########################## MPU functions #################################### */
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
#include "mpu_armv8.h"
#endif
/* ########################## FPU functions #################################### */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_FpuFunctions FPU Functions
\brief Function that provides FPU type.
@{
*/
/**
\brief get FPU type
\details returns the FPU type
\returns
- \b 0: No FPU
- \b 1: Single precision FPU
- \b 2: Double + Single precision FPU
*/
__STATIC_INLINE uint32_t SCB_GetFPUType(void)
{
uint32_t mvfr0;
mvfr0 = FPU->MVFR0;
if ((mvfr0 & (FPU_MVFR0_Single_precision_Msk | FPU_MVFR0_Double_precision_Msk)) == 0x220U)
{
return 2U; /* Double + Single precision FPU */
}
else if ((mvfr0 & (FPU_MVFR0_Single_precision_Msk | FPU_MVFR0_Double_precision_Msk)) == 0x020U)
{
return 1U; /* Single precision FPU */
}
else
{
return 0U; /* No FPU */
}
}
/*@} end of CMSIS_Core_FpuFunctions */
/* ########################## SAU functions #################################### */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_SAUFunctions SAU Functions
\brief Functions that configure the SAU.
@{
*/
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
/**
\brief Enable SAU
\details Enables the Security Attribution Unit (SAU).
*/
__STATIC_INLINE void TZ_SAU_Enable(void)
{
SAU->CTRL |= (SAU_CTRL_ENABLE_Msk);
}
/**
\brief Disable SAU
\details Disables the Security Attribution Unit (SAU).
*/
__STATIC_INLINE void TZ_SAU_Disable(void)
{
SAU->CTRL &= ~(SAU_CTRL_ENABLE_Msk);
}
#endif /* defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
/*@} end of CMSIS_Core_SAUFunctions */
/* ################################## SysTick function ############################################ */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_Core_SysTickFunctions SysTick Functions
\brief Functions that configure the System.
@{
*/
#if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
/**
\brief System Tick Configuration
\details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
Counter is in free running mode to generate periodic interrupts.
\param [in] ticks Number of ticks between two interrupts.
\return 0 Function succeeded.
\return 1 Function failed.
\note When the variable __Vendor_SysTickConfig is set to 1, then the
function SysTick_Config is not included. In this case, the file device.h
must contain a vendor-specific implementation of this function.
*/
__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
{
if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
{
return (1UL); /* Reload value impossible */
}
SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
return (0UL); /* Function successful */
}
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
/**
\brief System Tick Configuration (non-secure)
\details Initializes the non-secure System Timer and its interrupt when in secure state, and starts the System Tick Timer.
Counter is in free running mode to generate periodic interrupts.
\param [in] ticks Number of ticks between two interrupts.
\return 0 Function succeeded.
\return 1 Function failed.
\note When the variable __Vendor_SysTickConfig is set to 1, then the
function TZ_SysTick_Config_NS is not included. In this case, the file device.h
must contain a vendor-specific implementation of this function.
*/
__STATIC_INLINE uint32_t TZ_SysTick_Config_NS(uint32_t ticks)
{
if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
{
return (1UL); /* Reload value impossible */
}
SysTick_NS->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
TZ_NVIC_SetPriority_NS (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
SysTick_NS->VAL = 0UL; /* Load the SysTick Counter Value */
SysTick_NS->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
return (0UL); /* Function successful */
}
#endif /* defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
#endif
/*@} end of CMSIS_Core_SysTickFunctions */
/* ##################################### Debug In/Output function ########################################### */
/**
\ingroup CMSIS_Core_FunctionInterface
\defgroup CMSIS_core_DebugFunctions ITM Functions
\brief Functions that access the ITM debug interface.
@{
*/
extern volatile int32_t ITM_RxBuffer; /*!< External variable to receive characters. */
#define ITM_RXBUFFER_EMPTY ((int32_t)0x5AA55AA5U) /*!< Value identifying \ref ITM_RxBuffer is ready for next character. */
/**
\brief ITM Send Character
\details Transmits a character via the ITM channel 0, and
\li Just returns when no debugger is connected that has booked the output.
\li Is blocking when a debugger is connected, but the previous character sent has not been transmitted.
\param [in] ch Character to transmit.
\returns Character to transmit.
*/
__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
{
if (((ITM->TCR & ITM_TCR_ITMENA_Msk) != 0UL) && /* ITM enabled */
((ITM->TER & 1UL ) != 0UL) ) /* ITM Port #0 enabled */
{
while (ITM->PORT[0U].u32 == 0UL)
{
__NOP();
}
ITM->PORT[0U].u8 = (uint8_t)ch;
}
return (ch);
}
/**
\brief ITM Receive Character
\details Inputs a character via the external variable \ref ITM_RxBuffer.
\return Received character.
\return -1 No character pending.
*/
__STATIC_INLINE int32_t ITM_ReceiveChar (void)
{
int32_t ch = -1; /* no character available */
if (ITM_RxBuffer != ITM_RXBUFFER_EMPTY)
{
ch = ITM_RxBuffer;
ITM_RxBuffer = ITM_RXBUFFER_EMPTY; /* ready for next character */
}
return (ch);
}
/**
\brief ITM Check Character
\details Checks whether a character is pending for reading in the variable \ref ITM_RxBuffer.
\return 0 No character available.
\return 1 Character available.
*/
__STATIC_INLINE int32_t ITM_CheckChar (void)
{
if (ITM_RxBuffer == ITM_RXBUFFER_EMPTY)
{
return (0); /* no character available */
}
else
{
return (1); /* character available */
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -