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| author | Steven Gotthardt <gotthardt@gmail.com> | 2022-12-18 15:05:51 -0700 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2023-02-13 12:12:27 -0500 |
| commit | 94cbf5ff48199f4652450fbb8de682f662a2cc5a (patch) | |
| tree | 1080fbd36d8e41549906404fea3c9d26c2d5ef6b /lib/hc32f460/driver/src/hc32f460_rmu.c | |
| parent | 1e7057e917c0a663a508ac9b616d77ae53d78297 (diff) | |
| download | kutter-94cbf5ff48199f4652450fbb8de682f662a2cc5a.tar.gz kutter-94cbf5ff48199f4652450fbb8de682f662a2cc5a.tar.xz kutter-94cbf5ff48199f4652450fbb8de682f662a2cc5a.zip | |
lib: Add hc32f460 definitions
Signed-off-by: Steven Gotthardt <gotthardt@gmail.com>
Diffstat (limited to 'lib/hc32f460/driver/src/hc32f460_rmu.c')
| -rw-r--r-- | lib/hc32f460/driver/src/hc32f460_rmu.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/lib/hc32f460/driver/src/hc32f460_rmu.c b/lib/hc32f460/driver/src/hc32f460_rmu.c new file mode 100644 index 00000000..64a1eaad --- /dev/null +++ b/lib/hc32f460/driver/src/hc32f460_rmu.c @@ -0,0 +1,139 @@ +/******************************************************************************
+ * Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
+ *
+ * This software component is licensed by HDSC under BSD 3-Clause license
+ * (the "License"); You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ */
+/******************************************************************************/
+/** \file hc32f460_rmu.c
+ **
+ ** A detailed description is available at
+ ** @link RmuGroup RMU description @endlink
+ **
+ ** - 2018-10-28 CDT First version for Device Driver Library of RMU.
+ **
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Include files
+ ******************************************************************************/
+#include "hc32f460_rmu.h"
+#include "hc32f460_utility.h"
+
+/**
+ *******************************************************************************
+ ** \addtogroup RmuGroup
+ ******************************************************************************/
+//@{
+
+/*******************************************************************************
+ * Local type definitions ('typedef')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local pre-processor symbols/macros ('#define')
+ ******************************************************************************/
+#define ENABLE_RMU_REG_WRITE() (M4_SYSREG->PWR_FPRC = 0xa502u)
+#define DISABLE_RMU_REG_WRITE() (M4_SYSREG->PWR_FPRC = 0xa500u)
+
+#define RMU_FLAG_TIM ((uint16_t)0x1000u)
+
+/*******************************************************************************
+ * Global variable definitions (declared in header file with 'extern')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local function prototypes ('static')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Local variable definitions ('static')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Function implementation - global ('extern') and local ('static')
+ ******************************************************************************/
+/**
+ *******************************************************************************
+ ** \brief Get the chip reset cause.
+ **
+ ** \param [in] pstcData Pointer to return reset cause structure.
+ **
+ ** \retval Ok Get successfully.
+ **
+ ******************************************************************************/
+en_result_t RMU_GetResetCause(stc_rmu_rstcause_t *pstcData)
+{
+ uint16_t u16RstCause = 0u;
+ stc_sysreg_rmu_rstf0_field_t *RMU_RSTF0_f = NULL;
+
+ if(NULL == pstcData)
+ {
+ return ErrorInvalidParameter;
+ }
+
+ u16RstCause = M4_SYSREG->RMU_RSTF0;
+ RMU_RSTF0_f = (stc_sysreg_rmu_rstf0_field_t *)(&u16RstCause);
+
+ pstcData->enMultiRst = (en_flag_status_t)(RMU_RSTF0_f->MULTIRF == 1u);
+ pstcData->enXtalErr = (en_flag_status_t)(RMU_RSTF0_f->XTALERF == 1u);
+ pstcData->enClkFreqErr = (en_flag_status_t)(RMU_RSTF0_f->CKFERF == 1u);
+ pstcData->enRamEcc = (en_flag_status_t)(RMU_RSTF0_f->RAECRF == 1u);
+ pstcData->enRamParityErr = (en_flag_status_t)(RMU_RSTF0_f->RAPERF == 1u);
+ pstcData->enMpuErr = (en_flag_status_t)(RMU_RSTF0_f->MPUERF == 1u);
+ pstcData->enSoftware = (en_flag_status_t)(RMU_RSTF0_f->SWRF == 1u);
+ pstcData->enPowerDown = (en_flag_status_t)(RMU_RSTF0_f->PDRF == 1u);
+ pstcData->enSwdt = (en_flag_status_t)(RMU_RSTF0_f->SWDRF == 1u);
+ pstcData->enWdt = (en_flag_status_t)(RMU_RSTF0_f->WDRF == 1u);
+ pstcData->enPvd2 = (en_flag_status_t)(RMU_RSTF0_f->PVD2RF == 1u);
+ pstcData->enPvd1 = (en_flag_status_t)(RMU_RSTF0_f->PVD2RF == 1u);
+ pstcData->enBrownOut = (en_flag_status_t)(RMU_RSTF0_f->BORF == 1u);
+ pstcData->enRstPin = (en_flag_status_t)(RMU_RSTF0_f->PINRF == 1u);
+ pstcData->enPowerOn = (en_flag_status_t)(RMU_RSTF0_f->PORF == 1u);
+
+ return Ok;
+}
+
+/**
+ *******************************************************************************
+ ** \brief Clear the reset flag.
+ **
+ ** \param None
+ **
+ ** \retval Ok Clear successfully.
+ **
+ ** \note clear reset flag should be done after read RMU_RSTF0 register.
+ ******************************************************************************/
+en_result_t RMU_ClrResetFlag(void)
+{
+ uint16_t u16status = 0u;
+ uint32_t u32timeout = 0u;
+
+ ENABLE_RMU_REG_WRITE();
+
+ do
+ {
+ u32timeout++;
+ M4_SYSREG->RMU_RSTF0_f.CLRF = 1u;
+ u16status = M4_SYSREG->RMU_RSTF0;
+ }while((u32timeout != RMU_FLAG_TIM) && u16status);
+
+ DISABLE_RMU_REG_WRITE();
+
+ if(u32timeout >= RMU_FLAG_TIM)
+ {
+ return ErrorTimeout;
+ }
+
+ return Ok;
+}
+
+
+//@} // RmuGroup
+
+/*******************************************************************************
+ * EOF (not truncated)
+ ******************************************************************************/
+
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