154 lines
4.0 KiB
C
154 lines
4.0 KiB
C
/**************************************************************************//**
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* @file sys.c
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* @version V1.00
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* $Revision: 9 $
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* $Date: 15/06/05 1:13p $
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* @brief Mini58 series SYS driver source file
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*
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* @note
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* Copyright (C) 2015 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "Mini58Series.h"
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/** @addtogroup Mini58_Device_Driver Mini58 Device Driver
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@{
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*/
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/** @addtogroup Mini58_SYS_Driver SYS Driver
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@{
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*/
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/** @addtogroup Mini58_SYS_EXPORTED_FUNCTIONS SYS Exported Functions
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@{
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*/
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/**
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* @brief This function clear the selected system reset source
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* @param[in] u32Src is system reset source
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* @return None
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*/
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void SYS_ClearResetSrc(uint32_t u32Src)
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{
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SYS->RSTSTS |= u32Src;
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}
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/**
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* @brief This function get Brown-out detector output status
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* @return 0: System voltage is higher than BOD_VL setting or BOD_EN is 0.
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* 1: System voltage is lower than BOD_VL setting.
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* Note : If the BOD_EN is 0, this function always return 0.
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*/
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uint32_t SYS_GetBODStatus(void)
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{
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return (SYS->BODCTL & SYS_BODCTL_BODOUT_Msk)?1:0;
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}
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/**
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* @brief This function get the system reset source register value
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* @return Reset source
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*/
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uint32_t SYS_GetResetSrc(void)
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{
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return (SYS->RSTSTS);
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}
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/**
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* @brief This function check register write-protection bit setting
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* @return 0: Write-protection function is disabled.
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* 1: Write-protection function is enabled.
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*/
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uint32_t SYS_IsRegLocked(void)
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{
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return !(SYS->REGLCTL & SYS_REGLCTL_REGLCTL_Msk);
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}
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/**
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* @brief This function get product ID.
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* @return Product ID
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*/
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uint32_t SYS_ReadPDID(void)
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{
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return SYS->PDID;
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}
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/**
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* @brief This function reset chip.
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* @return None
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*/
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void SYS_ResetChip(void)
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{
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SYS->IPRST0 |= SYS_IPRST0_CHIPRST_Msk;
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}
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/**
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* @brief This function reset CPU.
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* @return None
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*/
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void SYS_ResetCPU(void)
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{
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SYS->IPRST0 |= SYS_IPRST0_CPURST_Msk;
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}
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/**
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* @brief This function reset selected modules.
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* @param[in] u32ModuleIndex is module index. Including :
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* - \ref ADC_RST
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* - \ref ACMP_RST
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* - \ref PWM0_RST
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* - \ref UART0_RST
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* - \ref UART1_RST
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* - \ref SPI0_RST
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* - \ref I2C0_RST
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* - \ref I2C1_RST
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* - \ref TMR1_RST
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* - \ref TMR0_RST
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* - \ref GPIO_RST
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* @return None
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*/
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void SYS_ResetModule(uint32_t u32ModuleIndex)
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{
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*(volatile uint32_t *)(&(SYS->IPRST0) + (u32ModuleIndex>>24)) |= 1<<(u32ModuleIndex & 0x00ffffff);
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*(volatile uint32_t *)(&(SYS->IPRST0) + (u32ModuleIndex>>24)) &= ~(1<<(u32ModuleIndex & 0x00ffffff));
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}
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/**
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* @brief This function configure BOD function.
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* Configure BOD reset or interrupt mode and set Brown-out voltage level.
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* Enable Brown-out function
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* @param[in] i32Mode is reset or interrupt mode. Including :
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* - \ref SYS_BODCTL_BOD_RST_EN
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* - \ref SYS_BODCTL_BOD_INTERRUPT_EN
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* @param[in] u32BODLevel is Brown-out voltage level. Including :
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* - \ref SYS_BODCTL_BODVL_4_4V
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* - \ref SYS_BODCTL_BODVL_3_7V
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* - \ref SYS_BODCTL_BODVL_2_7V
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* - \ref SYS_BODCTL_BODVL_2_2V
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* @return None
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*/
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void SYS_EnableBOD(int32_t i32Mode, uint32_t u32BODLevel)
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{
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SYS->BODCTL |= SYS_BODCTL_BODEN_Msk;
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SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODRSTEN_Msk) | i32Mode;
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SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODVL_Msk) | u32BODLevel;
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}
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/**
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* @brief This function disable BOD function.
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* @return None
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*/
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void SYS_DisableBOD(void)
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{
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SYS->BODCTL &= ~SYS_BODCTL_BODEN_Msk;
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SYS->BODCTL = (SYS->BODCTL & ~SYS_BODCTL_BODVL_Msk) | SYS_BODCTL_BODVL_Msk ;
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}
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/*@}*/ /* end of group Mini58_SYS_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group Mini58_SYS_Driver */
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/*@}*/ /* end of group Mini58_Device_Driver */
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/*** (C) COPYRIGHT 2015 Nuvoton Technology Corp. ***/
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