NUC472_NUC442_BSP V3.03.005
The Board Support Package for NUC472/NUC442
Macros | Functions
Collaboration diagram for SYS Exported Functions:

Macros

#define SYS_CLEAR_BOD_INT_FLAG()   (SYS->BODCTL |= SYS_BODCTL_BODINTF_Msk)
 Clear Brown-out detector interrupt flag. More...
 
#define SYS_CLEAR_BOD_LPM()   (SYS->BODCTL &= ~SYS_BODCTL_BODLPM_Msk)
 Set Brown-out detector function to normal mode. More...
 
#define SYS_DISABLE_BOD()   (SYS->BODCTL &= ~SYS_BODCTL_BODEN_Msk)
 Disable Brown-out detector function. More...
 
#define SYS_ENABLE_BOD()   (SYS->BODCTL |= SYS_BODCTL_BODEN_Msk)
 Enable Brown-out detector function. More...
 
#define SYS_GET_BOD_INT_FLAG()   (SYS->BODCTL & SYS_BODCTL_BODINTF_Msk)
 Get Brown-out detector interrupt flag. More...
 
#define SYS_GET_BOD_OUTPUT()   (SYS->BODCTL & SYS_BODCTL_BODOUT_Msk)
 Get Brown-out detector status. More...
 
#define SYS_DISABLE_BOD_RST()   (SYS->BODCTL &= ~SYS_BODCTL_BODRSTEN_Msk)
 Disable Brown-out detector interrupt function. More...
 
#define SYS_ENABLE_BOD_RST()   (SYS->BODCTL |= SYS_BODCTL_BODRSTEN_Msk)
 Enable Brown-out detector reset function. More...
 
#define SYS_SET_BOD_LPM()   (SYS->BODCTL |= SYS_BODCTL_BODLPM_Msk)
 Set Brown-out detector function low power mode. More...
 
#define SYS_SET_BOD_LEVEL(u32Level)   (SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODVL_Msk) | u32Level)
 Set Brown-out detector voltage level. More...
 
#define SYS_IS_BOD_RST()   (SYS->RSTSTS & SYS_RSTSTS_BODRF_Msk)
 Get reset source is from Brown-out detector reset. More...
 
#define SYS_IS_CPU_RST()   (SYS->RSTSTS & SYS_RSTSTS_CPURF_Msk)
 Get reset source is from CPU reset. More...
 
#define SYS_IS_LVR_RST()   (SYS->RSTSTS & SYS_RSTSTS_LVRF_Msk)
 Get reset source is from LVR Reset. More...
 
#define SYS_IS_POR_RST()   (SYS->RSTSTS & SYS_RSTSTS_PORF_Msk)
 Get reset source is from Power-on Reset. More...
 
#define SYS_IS_RSTPIN_RST()   (SYS->RSTSTS & SYS_RSTSTS_PINRF_Msk)
 Get reset source is from reset pin reset. More...
 
#define SYS_IS_SYSTEM_RST()   (SYS->RSTSTS & SYS_RSTSTS_SYSRF_Msk)
 Get reset source is from system reset. More...
 
#define SYS_IS_WDT_RST()   (SYS->RSTSTS & SYS_RSTSTS_WDTRF_Msk)
 Get reset source is from window watch dog reset. More...
 
#define SYS_DISABLE_LVR()   (SYS->BODCTL &= ~SYS_BODCTL_LVREN_Msk)
 Disable Low-Voltage-Reset function. More...
 
#define SYS_ENABLE_LVR()   (SYS->BODCTL |= SYS_BODCTL_LVREN_Msk)
 Enable Low-Voltage-Reset function. More...
 
#define SYS_DISABLE_POR()   (SYS->PORCTL = 0x5AA5)
 Disable Power-on Reset function. More...
 
#define SYS_ENABLE_POR()   (SYS->PORCTL = 0)
 Enable Power-on Reset function. More...
 
#define SYS_CLEAR_RST_SOURCE(u32RstSrc)   (SYS->RSTSTS = u32RstSrc )
 Clear reset source flag. More...
 

Functions

void SYS_ClearResetSrc (uint32_t u32RstSrc)
 This function clear the selected system reset source. More...
 
uint32_t SYS_GetBODStatus ()
 This function get Brown-out detector output status. More...
 
uint32_t SYS_GetResetSrc (void)
 This function get the system reset source register value. More...
 
uint32_t SYS_IsRegLocked (void)
 This function check register write-protection bit setting. More...
 
void SYS_LockReg (void)
 This function enable register write-protection function. More...
 
void SYS_UnlockReg (void)
 This function disable register write-protection function. More...
 
uint32_t SYS_ReadPDID (void)
 This function get product ID. More...
 
void SYS_ResetChip (void)
 This function reset chip. More...
 
void SYS_ResetCPU (void)
 This function reset CPU. More...
 
void SYS_ResetModule (uint32_t u32ModuleIndex)
 This function reset selected modules. More...
 
void SYS_EnableBOD (int32_t i32Mode, uint32_t u32BODLevel)
 This function configure BOD function. Configure BOD reset or interrupt mode and set Brown-out voltage level. Enable Brown-out function. More...
 
void SYS_DisableBOD (void)
 This function disable BOD function. More...
 

Detailed Description

Macro Definition Documentation

◆ SYS_CLEAR_BOD_INT_FLAG

#define SYS_CLEAR_BOD_INT_FLAG ( )    (SYS->BODCTL |= SYS_BODCTL_BODINTF_Msk)

Clear Brown-out detector interrupt flag.

Parameters
None
Returns
None

This macro clear Brown-out detector interrupt flag.

Definition at line 1092 of file sys.h.

◆ SYS_CLEAR_BOD_LPM

#define SYS_CLEAR_BOD_LPM ( )    (SYS->BODCTL &= ~SYS_BODCTL_BODLPM_Msk)

Set Brown-out detector function to normal mode.

Parameters
None
Returns
None

This macro set Brown-out detector to normal mode.

Definition at line 1100 of file sys.h.

◆ SYS_CLEAR_RST_SOURCE

#define SYS_CLEAR_RST_SOURCE (   u32RstSrc)    (SYS->RSTSTS = u32RstSrc )

Clear reset source flag.

Parameters
[in]u32RstSrcis reset source. Including:
Returns
None

This macro clear reset source flag.

Definition at line 1282 of file sys.h.

◆ SYS_DISABLE_BOD

#define SYS_DISABLE_BOD ( )    (SYS->BODCTL &= ~SYS_BODCTL_BODEN_Msk)

Disable Brown-out detector function.

Parameters
None
Returns
None

This macro disable Brown-out detector function.

Definition at line 1108 of file sys.h.

◆ SYS_DISABLE_BOD_RST

#define SYS_DISABLE_BOD_RST ( )    (SYS->BODCTL &= ~SYS_BODCTL_BODRSTEN_Msk)

Disable Brown-out detector interrupt function.

Parameters
None
Returns
None

This macro enable Brown-out detector interrupt function.

Definition at line 1142 of file sys.h.

◆ SYS_DISABLE_LVR

#define SYS_DISABLE_LVR ( )    (SYS->BODCTL &= ~SYS_BODCTL_LVREN_Msk)

Disable Low-Voltage-Reset function.

Parameters
None
Returns
None

This macro disable Low-Voltage-Reset function.

Definition at line 1242 of file sys.h.

◆ SYS_DISABLE_POR

#define SYS_DISABLE_POR ( )    (SYS->PORCTL = 0x5AA5)

Disable Power-on Reset function.

Parameters
None
Returns
None

This macro disable Power-on Reset function.

Definition at line 1258 of file sys.h.

◆ SYS_ENABLE_BOD

#define SYS_ENABLE_BOD ( )    (SYS->BODCTL |= SYS_BODCTL_BODEN_Msk)

Enable Brown-out detector function.

Parameters
None
Returns
None

This macro enable Brown-out detector function.

Definition at line 1116 of file sys.h.

◆ SYS_ENABLE_BOD_RST

#define SYS_ENABLE_BOD_RST ( )    (SYS->BODCTL |= SYS_BODCTL_BODRSTEN_Msk)

Enable Brown-out detector reset function.

Parameters
None
Returns
None

This macro enable Brown-out detect reset function.

Definition at line 1150 of file sys.h.

◆ SYS_ENABLE_LVR

#define SYS_ENABLE_LVR ( )    (SYS->BODCTL |= SYS_BODCTL_LVREN_Msk)

Enable Low-Voltage-Reset function.

Parameters
None
Returns
None

This macro enable Low-Voltage-Reset function.

Definition at line 1250 of file sys.h.

◆ SYS_ENABLE_POR

#define SYS_ENABLE_POR ( )    (SYS->PORCTL = 0)

Enable Power-on Reset function.

Parameters
None
Returns
None

This macro enable Power-on Reset function.

Definition at line 1266 of file sys.h.

◆ SYS_GET_BOD_INT_FLAG

#define SYS_GET_BOD_INT_FLAG ( )    (SYS->BODCTL & SYS_BODCTL_BODINTF_Msk)

Get Brown-out detector interrupt flag.

Parameters
None
Return values
0Brown-out detect interrupt flag is not set.
>=1Brown-out detect interrupt flag is set.

This macro get Brown-out detector interrupt flag.

Definition at line 1124 of file sys.h.

◆ SYS_GET_BOD_OUTPUT

#define SYS_GET_BOD_OUTPUT ( )    (SYS->BODCTL & SYS_BODCTL_BODOUT_Msk)

Get Brown-out detector status.

Parameters
None
Return values
0System voltage is higher than BOD_VL setting or BOD_EN is 0.
>=1System voltage is lower than BOD_VL setting.

This macro get Brown-out detector output status. If the BOD_EN is 0, this function always return 0.

Definition at line 1134 of file sys.h.

◆ SYS_IS_BOD_RST

#define SYS_IS_BOD_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_BODRF_Msk)

Get reset source is from Brown-out detector reset.

Parameters
None
Return values
0Previous reset source is not from Brown-out detector reset
>=1Previous reset source is from Brown-out detector reset

This macro get previous reset source is from Brown-out detect reset or not.

Definition at line 1180 of file sys.h.

◆ SYS_IS_CPU_RST

#define SYS_IS_CPU_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_CPURF_Msk)

Get reset source is from CPU reset.

Parameters
None
Return values
0Previous reset source is not from CPU reset
>=1Previous reset source is from CPU reset

This macro get previous reset source is from CPU reset.

Definition at line 1189 of file sys.h.

◆ SYS_IS_LVR_RST

#define SYS_IS_LVR_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_LVRF_Msk)

Get reset source is from LVR Reset.

Parameters
None
Return values
0Previous reset source is not from LVR Reset
>=1Previous reset source is from LVR Reset

This macro get previous reset source is from Power-on Reset.

Definition at line 1198 of file sys.h.

◆ SYS_IS_POR_RST

#define SYS_IS_POR_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_PORF_Msk)

Get reset source is from Power-on Reset.

Parameters
None
Return values
0Previous reset source is not from Power-on Reset
>=1Previous reset source is from Power-on Reset

This macro get previous reset source is from Power-on Reset.

Definition at line 1207 of file sys.h.

◆ SYS_IS_RSTPIN_RST

#define SYS_IS_RSTPIN_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_PINRF_Msk)

Get reset source is from reset pin reset.

Parameters
None
Return values
0Previous reset source is not from reset pin reset
>=1Previous reset source is from reset pin reset

This macro get previous reset source is from reset pin reset.

Definition at line 1216 of file sys.h.

◆ SYS_IS_SYSTEM_RST

#define SYS_IS_SYSTEM_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_SYSRF_Msk)

Get reset source is from system reset.

Parameters
None
Return values
0Previous reset source is not from system reset
>=1Previous reset source is from system reset

This macro get previous reset source is from system reset.

Definition at line 1225 of file sys.h.

◆ SYS_IS_WDT_RST

#define SYS_IS_WDT_RST ( )    (SYS->RSTSTS & SYS_RSTSTS_WDTRF_Msk)

Get reset source is from window watch dog reset.

Parameters
None
Return values
0Previous reset source is not from window watch dog reset
>=1Previous reset source is from window watch dog reset

This macro get previous reset source is from window watch dog reset.

Definition at line 1234 of file sys.h.

◆ SYS_SET_BOD_LEVEL

#define SYS_SET_BOD_LEVEL (   u32Level)    (SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODVL_Msk) | u32Level)

Set Brown-out detector voltage level.

Parameters
[in]u32Levelis Brown-out voltage level. Including :
Returns
None

This macro set Brown-out detector voltage level.

Definition at line 1171 of file sys.h.

◆ SYS_SET_BOD_LPM

#define SYS_SET_BOD_LPM ( )    (SYS->BODCTL |= SYS_BODCTL_BODLPM_Msk)

Set Brown-out detector function low power mode.

Parameters
None
Returns
None

This macro set Brown-out detector to low power mode.

Definition at line 1159 of file sys.h.

Function Documentation

◆ SYS_ClearResetSrc()

void SYS_ClearResetSrc ( uint32_t  u32RstSrc)

This function clear the selected system reset source.

Parameters
[in]u32RstSrcis system reset source. Including:
Returns
None

Definition at line 39 of file sys.c.

◆ SYS_DisableBOD()

void SYS_DisableBOD ( void  )

This function disable BOD function.

Returns
None

Definition at line 210 of file sys.c.

◆ SYS_EnableBOD()

void SYS_EnableBOD ( int32_t  i32Mode,
uint32_t  u32BODLevel 
)

This function configure BOD function. Configure BOD reset or interrupt mode and set Brown-out voltage level. Enable Brown-out function.

Parameters
[in]i32Modeis reset or interrupt mode. Including :
[in]u32BODLevelis Brown-out voltage level. Including :
Returns
None

Definition at line 200 of file sys.c.

◆ SYS_GetBODStatus()

uint32_t SYS_GetBODStatus ( void  )

This function get Brown-out detector output status.

Returns
0: System voltage is higher than BODVL setting or BODEN is 0. 1: System voltage is lower than BODVL setting. Note : If the BOD_EN is 0, this function always return 0.

Definition at line 50 of file sys.c.

◆ SYS_GetResetSrc()

uint32_t SYS_GetResetSrc ( void  )

This function get the system reset source register value.

Returns
Reset source

Definition at line 59 of file sys.c.

◆ SYS_IsRegLocked()

uint32_t SYS_IsRegLocked ( void  )

This function check register write-protection bit setting.

Returns
0: Write-protection function is disabled. 1: Write-protection function is enabled.

Definition at line 69 of file sys.c.

◆ SYS_LockReg()

void SYS_LockReg ( void  )

This function enable register write-protection function.

Returns
None

To lock the protected register to forbid write access

Definition at line 79 of file sys.c.

◆ SYS_ReadPDID()

uint32_t SYS_ReadPDID ( void  )

This function get product ID.

Returns
Product ID

Definition at line 104 of file sys.c.

◆ SYS_ResetChip()

void SYS_ResetChip ( void  )

This function reset chip.

Returns
None

Definition at line 113 of file sys.c.

◆ SYS_ResetCPU()

void SYS_ResetCPU ( void  )

This function reset CPU.

Returns
None

Definition at line 122 of file sys.c.

◆ SYS_ResetModule()

void SYS_ResetModule ( uint32_t  u32ModuleIndex)

◆ SYS_UnlockReg()

void SYS_UnlockReg ( void  )

This function disable register write-protection function.

Returns
None

To unlock the protected register to allow write access

Definition at line 90 of file sys.c.