MacroRat
Mouse code for the MacroRat
Diff: mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sys.c
- Revision:
- 18:6a4db94011d3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sys.c Sun May 14 23:18:57 2017 +0000
@@ -0,0 +1,213 @@
+/**************************************************************************//**
+ * @file sys.c
+ * @version V3.00
+ * $Revision: 12 $
+ * $Date: 15/08/11 10:26a $
+ * @brief M451 series SYS driver source file
+ *
+ * @note
+ * Copyright (C) 2014~2015 Nuvoton Technology Corp. All rights reserved.
+*****************************************************************************/
+
+#include "M451Series.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_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 & 0x1);
+}
+
+/**
+ * @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 USBH_RST
+ * - \ref CRC_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 SPI0_RST
+ * - \ref SPI1_RST
+ * - \ref SPI2_RST
+ * - \ref UART0_RST
+ * - \ref UART1_RST
+ * - \ref UART2_RST
+ * - \ref UART3_RST
+ * - \ref CAN0_RST
+ * - \ref OTG_RST
+ * - \ref USBD_RST
+ * - \ref EADC_RST
+ * - \ref SC0_RST
+ * - \ref DAC_RST
+ * - \ref PWM0_RST
+ * - \ref PWM1_RST
+ * - \ref TK_RST
+ * @return None
+ * @details This function reset selected module.
+ */
+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));
+}
+
+/**
+ * @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_4_5V
+ * - \ref SYS_BODCTL_BODVL_3_7V
+ * - \ref SYS_BODCTL_BODVL_2_7V
+ * - \ref SYS_BODCTL_BODVL_2_2V
+ * @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) | 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 SYS_EXPORTED_FUNCTIONS */
+
+/*@}*/ /* end of group SYS_Driver */
+
+/*@}*/ /* end of group Standard_Driver */
+
+#ifdef __cplusplus
+}
+#endif
+
+/*** (C) COPYRIGHT 2014~2015 Nuvoton Technology Corp. ***/