sys.c

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/**************************************************************************/
#include "M4521.h"
 
#ifdef __cplusplus
extern "C"
{
#endif
 
void SYS_ClearResetSrc(uint32_t u32Src)
{
    SYS->RSTSTS |= u32Src;
}
 
uint32_t SYS_GetBODStatus(void)
{
    return ((SYS->BODCTL & SYS_BODCTL_BODOUT_Msk) >> SYS_BODCTL_BODOUT_Pos);
}
 
uint32_t SYS_GetResetSrc(void)
{
    return (SYS->RSTSTS);
}
 
uint32_t SYS_IsRegLocked(void)
{
    return !(SYS->REGLCTL & 0x1);
}
 
uint32_t  SYS_ReadPDID(void)
{
    return SYS->PDID;
}
 
void SYS_ResetChip(void)
{
    SYS->IPRST0 |= SYS_IPRST0_CHIPRST_Msk;
}
 
void SYS_ResetCPU(void)
{
    SYS->IPRST0 |= SYS_IPRST0_CPURST_Msk;
}
 
void SYS_ResetModule(uint32_t u32ModuleIndex)
{
    /* Generate reset signal to the corresponding module */
    *(volatile uint32_t *)((uint32_t)&SYS->IPRST0 + (u32ModuleIndex >> 24))  |= 1 << (u32ModuleIndex & 0x00ffffff);
 
    /* Release corresponding module from reset state */
    *(volatile uint32_t *)((uint32_t)&SYS->IPRST0 + (u32ModuleIndex >> 24))  &= ~(1 << (u32ModuleIndex & 0x00ffffff));
}
 
void SYS_EnableBOD(int32_t i32Mode, uint32_t u32BODLevel)
{
    /* Enable Brown-out Detector function */
    SYS->BODCTL |= SYS_BODCTL_BODEN_Msk;
 
    /* Enable Brown-out interrupt or reset function */
    SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODRSTEN_Msk) | i32Mode;
 
    /* Select Brown-out Detector threshold voltage */
    SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODVL_Msk) | u32BODLevel;
}
 
void SYS_DisableBOD(void)
{
    SYS->BODCTL &= ~SYS_BODCTL_BODEN_Msk;
}
 
 
 /* end of group SYS_EXPORTED_FUNCTIONS */
 /* end of group SYS_Driver */
 /* end of group Standard_Driver */
 
#ifdef __cplusplus
}
#endif
 
/*** (C) COPYRIGHT 2022 Nuvoton Technology Corp. ***/