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/**************************************************************************//**
* @file sys.c
* @version V1.00
* @brief M480 series SYS driver source file
*
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2016-2020 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
#ifdef __cplusplus
extern "C"
{
#endif
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup SYS_Driver SYS Driver
@{
*/
/** @addtogroup SYS_EXPORTED_FUNCTIONS SYS Exported Functions
@{
*/
/**
* @brief Clear reset source
* @param[in] u32Src is system reset source. Including :
* - \ref SYS_RSTSTS_CPULKRF_Msk
* - \ref SYS_RSTSTS_CPURF_Msk
* - \ref SYS_RSTSTS_SYSRF_Msk
* - \ref SYS_RSTSTS_BODRF_Msk
* - \ref SYS_RSTSTS_LVRF_Msk
* - \ref SYS_RSTSTS_WDTRF_Msk
* - \ref SYS_RSTSTS_PINRF_Msk
* - \ref SYS_RSTSTS_PORF_Msk
* @return None
* @details This function clear the selected system reset source.
*/
void SYS_ClearResetSrc(uint32_t u32Src)
{
SYS->RSTSTS |= u32Src;
}
/**
* @brief Get Brown-out detector output status
* @param None
* @retval 0 System voltage is higher than BODVL setting or BODEN is 0.
* @retval 1 System voltage is lower than BODVL setting.
* @details This function get Brown-out detector output status.
*/
uint32_t SYS_GetBODStatus(void)
{
return ((SYS->BODCTL & SYS_BODCTL_BODOUT_Msk) >> SYS_BODCTL_BODOUT_Pos);
}
/**
* @brief Get reset status register value
* @param None
* @return Reset source
* @details This function get the system reset status register value.
*/
uint32_t SYS_GetResetSrc(void)
{
return (SYS->RSTSTS);
}
/**
* @brief Check if register is locked nor not
* @param None
* @retval 0 Write-protection function is disabled.
* 1 Write-protection function is enabled.
* @details This function check register write-protection bit setting.
*/
uint32_t SYS_IsRegLocked(void)
{
return SYS->REGLCTL & 1UL ? 0UL : 1UL;
}
/**
* @brief Get product ID
* @param None
* @return Product ID
* @details This function get product ID.
*/
uint32_t SYS_ReadPDID(void)
{
return SYS->PDID;
}
/**
* @brief Reset chip with chip reset
* @param None
* @return None
* @details This function reset chip with chip reset.
* The register write-protection function should be disabled before using this function.
*/
void SYS_ResetChip(void)
{
SYS->IPRST0 |= SYS_IPRST0_CHIPRST_Msk;
}
/**
* @brief Reset chip with CPU reset
* @param None
* @return None
* @details This function reset CPU with CPU reset.
* The register write-protection function should be disabled before using this function.
*/
void SYS_ResetCPU(void)
{
SYS->IPRST0 |= SYS_IPRST0_CPURST_Msk;
}
/**
* @brief Reset selected module
* @param[in] u32ModuleIndex is module index. Including :
* - \ref PDMA_RST
* - \ref EBI_RST
* - \ref EMAC_RST
* - \ref SDH0_RST
* - \ref CRC_RST
* - \ref CCAP_RST
* - \ref HSUSBD_RST
* - \ref CRPT_RST
* - \ref SPIM_RST
* - \ref USBH_RST
* - \ref SDH1_RST
* - \ref GPIO_RST
* - \ref TMR0_RST
* - \ref TMR1_RST
* - \ref TMR2_RST
* - \ref TMR3_RST
* - \ref ACMP01_RST
* - \ref I2C0_RST
* - \ref I2C1_RST
* - \ref I2C2_RST
* - \ref QSPI0_RST
* - \ref SPI0_RST
* - \ref SPI1_RST
* - \ref SPI2_RST
* - \ref UART0_RST
* - \ref UART1_RST
* - \ref UART2_RST
* - \ref UART3_RST
* - \ref UART4_RST
* - \ref UART5_RST
* - \ref UART6_RST
* - \ref UART7_RST
* - \ref CAN0_RST
* - \ref CAN1_RST
* - \ref OTG_RST
* - \ref USBD_RST
* - \ref EADC_RST
* - \ref I2S0_RST
* - \ref HSOTG_RST
* - \ref TRNG_RST
* - \ref SC0_RST
* - \ref SC1_RST
* - \ref SC2_RST
* - \ref QSPI1_RST
* - \ref SPI3_RST
* - \ref USCI0_RST
* - \ref USCI1_RST
* - \ref DAC_RST
* - \ref EPWM0_RST
* - \ref EPWM1_RST
* - \ref BPWM0_RST
* - \ref BPWM1_RST
* - \ref QEI0_RST
* - \ref QEI1_RST
* - \ref ECAP0_RST
* - \ref ECAP1_RST
* - \ref CAN2_RST
* - \ref OPA_RST
* - \ref EADC1_RST
* @return None
* @details This function reset selected module.
*/
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;
}
/**
* @brief Enable and configure Brown-out detector function
* @param[in] i32Mode is reset or interrupt mode. Including :
* - \ref SYS_BODCTL_BOD_RST_EN
* - \ref SYS_BODCTL_BOD_INTERRUPT_EN
* @param[in] u32BODLevel is Brown-out voltage level. Including :
* - \ref SYS_BODCTL_BODVL_3_0V
* - \ref SYS_BODCTL_BODVL_2_8V
* - \ref SYS_BODCTL_BODVL_2_6V
* - \ref SYS_BODCTL_BODVL_2_4V
* - \ref SYS_BODCTL_BODVL_2_2V
* - \ref SYS_BODCTL_BODVL_2_0V
* - \ref SYS_BODCTL_BODVL_1_8V
* - \ref SYS_BODCTL_BODVL_1_6V
* @return None
* @details This function configure Brown-out detector reset or interrupt mode, enable Brown-out function and set Brown-out voltage level.
* The register write-protection function should be disabled before using this function.
*/
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;
}
/**
* @brief Disable Brown-out detector function
* @param None
* @return None
* @details This function disable Brown-out detector function.
* The register write-protection function should be disabled before using this function.
*/
void SYS_DisableBOD(void)
{
SYS->BODCTL &= ~SYS_BODCTL_BODEN_Msk;
}
/**
* @brief Set Power Level
* @param[in] u32PowerLevel is power level setting. Including :
* - \ref SYS_PLCTL_PLSEL_PL0
* - \ref SYS_PLCTL_PLSEL_PL1
* @return None
* @details This function select power level.
* The register write-protection function should be disabled before using this function.
*/
void SYS_SetPowerLevel(uint32_t u32PowerLevel)
{
/* Set power voltage level */
SYS->PLCTL = (SYS->PLCTL & (~SYS_PLCTL_PLSEL_Msk)) | (u32PowerLevel);
}
/**
* @brief Set Reference Voltage
* @param[in] u32VRefCTL is reference voltage setting. Including :
* - \ref SYS_VREFCTL_VREF_PIN
* - \ref SYS_VREFCTL_VREF_1_6V
* - \ref SYS_VREFCTL_VREF_2_0V
* - \ref SYS_VREFCTL_VREF_2_5V
* - \ref SYS_VREFCTL_VREF_3_0V
* - \ref SYS_VREFCTL_VREF_AVDD
* @return None
* @details This function select reference voltage.
* The register write-protection function should be disabled before using this function.
*/
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. ***/
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