first commit

2023-12-11 21:45:06 +08:00
commit eaa7cc0eea
180 changed files with 60911 additions and 0 deletions
--- a/libraries/sdk/Peripheral/ch32v30x_exti.c
+++ b/libraries/sdk/Peripheral/ch32v30x_exti.c
@@ -0,0 +1,180 @@
+/********************************** (C) COPYRIGHT  *******************************
+* File Name          : ch32v30x_exti.c
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : This file provides all the EXTI firmware functions.
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+***************************************************************************************/
+#include "ch32v30x_exti.h"
+
+/* No interrupt selected */
+#define EXTI_LINENONE    ((uint32_t)0x00000)
+
+/*********************************************************************
+ * @fn      EXTI_DeInit
+ *
+ * @brief   Deinitializes the EXTI peripheral registers to their default
+ *        reset values.
+ *
+ * @return  none.
+ */
+void EXTI_DeInit(void)
+{
+    EXTI->INTENR = 0x00000000;
+    EXTI->EVENR = 0x00000000;
+    EXTI->RTENR = 0x00000000;
+    EXTI->FTENR = 0x00000000;
+    EXTI->INTFR = 0x000FFFFF;
+}
+
+/*********************************************************************
+ * @fn      EXTI_Init
+ *
+ * @brief   Initializes the EXTI peripheral according to the specified
+ *        parameters in the EXTI_InitStruct.
+ *
+ * @param   EXTI_InitStruct - pointer to a EXTI_InitTypeDef structure
+ *
+ * @return  none.
+ */
+void EXTI_Init(EXTI_InitTypeDef *EXTI_InitStruct)
+{
+    uint32_t tmp = 0;
+
+    tmp = (uint32_t)EXTI_BASE;
+    if(EXTI_InitStruct->EXTI_LineCmd != DISABLE)
+    {
+        EXTI->INTENR &= ~EXTI_InitStruct->EXTI_Line;
+        EXTI->EVENR &= ~EXTI_InitStruct->EXTI_Line;
+        tmp += EXTI_InitStruct->EXTI_Mode;
+        *(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
+        EXTI->RTENR &= ~EXTI_InitStruct->EXTI_Line;
+        EXTI->FTENR &= ~EXTI_InitStruct->EXTI_Line;
+        if(EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
+        {
+            EXTI->RTENR |= EXTI_InitStruct->EXTI_Line;
+            EXTI->FTENR |= EXTI_InitStruct->EXTI_Line;
+        }
+        else
+        {
+            tmp = (uint32_t)EXTI_BASE;
+            tmp += EXTI_InitStruct->EXTI_Trigger;
+            *(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
+        }
+    }
+    else
+    {
+        tmp += EXTI_InitStruct->EXTI_Mode;
+        *(__IO uint32_t *)tmp &= ~EXTI_InitStruct->EXTI_Line;
+    }
+}
+
+/*********************************************************************
+ * @fn      EXTI_StructInit
+ *
+ * @brief   Fills each EXTI_InitStruct member with its reset value.
+ *
+ * @param   EXTI_InitStruct - pointer to a EXTI_InitTypeDef structure
+ *
+ * @return  none.
+ */
+void EXTI_StructInit(EXTI_InitTypeDef *EXTI_InitStruct)
+{
+    EXTI_InitStruct->EXTI_Line = EXTI_LINENONE;
+    EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
+    EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
+    EXTI_InitStruct->EXTI_LineCmd = DISABLE;
+}
+
+/*********************************************************************
+ * @fn      EXTI_GenerateSWInterrupt
+ *
+ * @brief   Generates a Software interrupt.
+ *
+ * @param   EXTI_Line - specifies the EXTI lines to be enabled or disabled.
+ *
+ * @return  none.
+ */
+void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
+{
+    EXTI->SWIEVR |= EXTI_Line;
+}
+
+/*********************************************************************
+ * @fn      EXTI_GetFlagStatus
+ *
+ * @brief   Checks whether the specified EXTI line flag is set or not.
+ *
+ * @param   EXTI_Line - specifies the EXTI lines to be enabled or disabled.
+ *
+ * @return  The new state of EXTI_Line (SET or RESET).
+ */
+FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
+{
+    FlagStatus bitstatus = RESET;
+    if((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET)
+    {
+        bitstatus = SET;
+    }
+    else
+    {
+        bitstatus = RESET;
+    }
+    return bitstatus;
+}
+
+/*********************************************************************
+ * @fn      EXTI_ClearFlag
+ *
+ * @brief   Clears the EXTI's line pending flags.
+ *
+ * @param   EXTI_Line - specifies the EXTI lines to be enabled or disabled.
+ *
+ * @return  None
+ */
+void EXTI_ClearFlag(uint32_t EXTI_Line)
+{
+    EXTI->INTFR = EXTI_Line;
+}
+
+/*********************************************************************
+ * @fn      EXTI_GetITStatus
+ *
+ * @brief   Checks whether the specified EXTI line is asserted or not.
+ *
+ * @param   EXTI_Line - specifies the EXTI lines to be enabled or disabled.
+ *
+ * @return  The new state of EXTI_Line (SET or RESET).
+ */
+ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
+{
+    ITStatus bitstatus = RESET;
+    uint32_t enablestatus = 0;
+
+    enablestatus = EXTI->INTENR & EXTI_Line;
+    if(((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
+    {
+        bitstatus = SET;
+    }
+    else
+    {
+        bitstatus = RESET;
+    }
+    return bitstatus;
+}
+
+/*********************************************************************
+ * @fn      EXTI_ClearITPendingBit
+ *
+ * @brief   Clears the EXTI's line pending bits.
+ *
+ * @param   EXTI_Line - specifies the EXTI lines to be enabled or disabled.
+ *
+ * @return  none
+ */
+void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
+{
+    EXTI->INTFR = EXTI_Line;
+}