sys.c

Go to the documentation of this file.

/**************************************************************************/
#include "NuMicro.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 & 1UL ? 0UL : 1UL;
}

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)
{
    uint32_t u32tmpVal = 0UL, u32tmpAddr = 0UL;

    /* Generate reset signal to the corresponding module */
    u32tmpVal = (1UL << (u32ModuleIndex & 0x00ffffffUL));
    u32tmpAddr = (uint32_t)&SYS->IPRST0 + ((u32ModuleIndex >> 24UL));
    *(uint32_t *)u32tmpAddr |= u32tmpVal;

    /* Release corresponding module from reset state */
    u32tmpVal = ~(1UL << (u32ModuleIndex & 0x00ffffffUL));
    *(uint32_t *)u32tmpAddr &= u32tmpVal;
}

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) | (uint32_t)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;
}

void SYS_SetPowerLevel(uint32_t u32PowerLevel)
{
    /* Set power voltage level */
    SYS->PLCTL = (SYS->PLCTL & (~SYS_PLCTL_PLSEL_Msk)) | (u32PowerLevel);
}

void SYS_SetVRef(uint32_t u32VRefCTL)
{
    /* Set reference voltage */
    SYS->VREFCTL = (SYS->VREFCTL & (~SYS_VREFCTL_VREFCTL_Msk)) | (u32VRefCTL);
}
 /* end of group SYS_EXPORTED_FUNCTIONS */
 /* end of group SYS_Driver */
 /* end of group Standard_Driver */

#ifdef __cplusplus
}
#endif

/*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/