1 files changed, 110 insertions, 0 deletions
diff --git a/lib/hc32f460/driver/inc/hc32f460_timer4_emb.h b/lib/hc32f460/driver/inc/hc32f460_timer4_emb.h
new file mode 100644
index 00000000..ab5c770a
--- /dev/null
+++ b/lib/hc32f460/driver/inc/hc32f460_timer4_emb.h
@@ -0,0 +1,110 @@
+/*******************************************************************************
+ * 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_timer4_emb.h
+ **
+ ** A detailed description is available at
+ ** @link Timer4EmbGroup Timer4EMB description @endlink
+ **
+ **   - 2018-11-02 CDT First version for Device Driver Library of Timer4EMB.
+ **
+ ******************************************************************************/
+#ifndef __HC32F460_TIMER4_EMB_H__
+#define __HC32F460_TIMER4_EMB_H__
+
+/*******************************************************************************
+ * Include files
+ ******************************************************************************/
+#include "hc32_common.h"
+
+/* C binding of definitions if building with C++ compiler */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ *******************************************************************************
+ ** \defgroup Timer4EmbGroup Timer4 Emergency Brake(Timer4EMB)
+ **
+ ******************************************************************************/
+//@{
+
+/*******************************************************************************
+ * Global type definitions ('typedef')
+ ******************************************************************************/
+
+/**
+ *******************************************************************************
+ ** \brief Timer4 EMB hold function selection enumeration
+ **
+ ******************************************************************************/
+typedef enum en_timer4_emb_hold_mode
+{
+    EmbChangePwm = 0u,                      ///< Don't hold PWM output when EMB signal occurs
+    EmbHoldPwm   = 1u,                      ///< Hold PWM output when EMB signal occurs
+} en_timer4_emb_hold_mode_t;
+
+/**
+ *******************************************************************************
+ ** \brief Timer4 EMB state selection enumeration
+ **
+ ******************************************************************************/
+typedef enum en_timer4_emb_state
+{
+    EmbTrigPwmOutputNormal    = 0u,         ///< PWM output signal normally.
+    EmbTrigPwmOutputHiz       = 1u,         ///< PWM output Hiz signal.
+    EmbTrigPwmOutputLowLevel  = 2u,         ///< PWM output low level signal.
+    EmbTrigPwmOutputHighLevel = 3u,         ///< PWM output high level signal.
+} en_timer4_emb_state_t;
+
+/**
+ *******************************************************************************
+ ** \brief Timer4 EMB configure
+ **
+ ******************************************************************************/
+typedef struct stc_timer4_emb_init
+{
+    en_timer4_emb_state_t     enEmbState;   ///< Timer4 EMB state selection and this parameter can be a value of @ref en_timer4_emb_state_t
+
+    en_timer4_emb_hold_mode_t enPwmHold;    ///< Timer4 EMB hold function selection and this parameter can be a value of @ref en_timer4_emb_hold_mode_t
+} stc_timer4_emb_init_t;
+
+/*******************************************************************************
+ * Global pre-processor symbols/macros ('#define')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Global variable definitions ('extern')
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Global function prototypes (definition in C source)
+ ******************************************************************************/
+en_result_t TIMER4_EMB_Init(M4_TMR4_TypeDef *TMR4x,
+                                const stc_timer4_emb_init_t *pstcInitCfg);
+en_result_t TIMER4_EMB_DeInit(M4_TMR4_TypeDef *TMR4x);
+en_result_t TIMER4_EMB_SetHoldMode(M4_TMR4_TypeDef *TMR4x,
+                                en_timer4_emb_hold_mode_t enHoldMode);
+en_timer4_emb_hold_mode_t TIMER4_EMB_GetHoldMode(M4_TMR4_TypeDef *TMR4x);
+en_result_t TIMER4_EMB_SetState(const M4_TMR4_TypeDef *TMR4x,
+                                en_timer4_emb_state_t enEmbState);
+en_timer4_emb_state_t TIMER4_EMB_GetState(const M4_TMR4_TypeDef *TMR4x);
+
+//@} // Timer4EmbGroup
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HC32F460_TIMER4_EMB_H__ */
+
+/*******************************************************************************
+ * EOF (not truncated)
+ ******************************************************************************/