mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_sys.c
- Committer:
- AnnaBridge
- Date:
- 2019-02-20
- Revision:
- 189:f392fc9709a3
- Parent:
- 172:7d866c31b3c5
File content as of revision 189:f392fc9709a3:
/**************************************************************************//** * @file sys.c * @version V1.00 * $Revision: 1 $ * $Date: 16/06/14 10:32a $ * @brief M480 series SYS driver source file * * @note * @copyright (C) 2016 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #include "M480.h" #ifdef __cplusplus extern "C" { #endif /** @addtogroup M480_Device_Driver M480 Device Driver @{ */ /** @addtogroup M480_SYS_Driver SYS Driver @{ */ /** @addtogroup M480_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 BOD_VL setting or BOD_EN is 0. * @retval 1 System voltage is lower than BOD_VL 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 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 SPI0_RST * - \ref SPI1_RST * - \ref SPI2_RST * - \ref SPI3_RST * - \ref UART0_RST * - \ref UART1_RST * - \ref UART2_RST * - \ref UART3_RST * - \ref UART4_RST * - \ref UART5_RST * - \ref CAN0_RST * - \ref CAN1_RST * - \ref USBD_RST * - \ref EADC_RST * - \ref I2S0_RST * - \ref SC0_RST * - \ref SC1_RST * - \ref SC2_RST * - \ref SPI4_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 OPA_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; } /*@}*/ /* end of group M480_SYS_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group M480_SYS_Driver */ /*@}*/ /* end of group M480_Device_Driver */ #ifdef __cplusplus } #endif /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/