第一次提交

2025-09-05 21:09:02 +08:00
commit f0106c0f17
107 changed files with 38950 additions and 0 deletions
--- a/SRC/Peripheral/src/ch32v30x_misc.c
+++ b/SRC/Peripheral/src/ch32v30x_misc.c
@@ -0,0 +1,109 @@
+/********************************** (C) COPYRIGHT *******************************
+* File Name          : ch32v30x_misc.c
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : This file provides all the miscellaneous firmware functions .
+*********************************************************************************
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* Attention: This software (modified or not) and binary are used for 
+* microcontroller manufactured by Nanjing Qinheng Microelectronics.
+*******************************************************************************/
+#include "ch32v30x_misc.h"
+
+__IO uint32_t NVIC_Priority_Group = 0;
+
+/*********************************************************************
+ * @fn      NVIC_PriorityGroupConfig
+ *
+ * @brief   Configures the priority grouping - pre-emption priority and subpriority.
+ *
+ * @param   NVIC_PriorityGroup - specifies the priority grouping bits length.
+ *            NVIC_PriorityGroup_0 - 0 bits for pre-emption priority
+ *                                   4 bits for subpriority
+ *            NVIC_PriorityGroup_1 - 1 bits for pre-emption priority
+ *                                   3 bits for subpriority
+ *            NVIC_PriorityGroup_2 - 2 bits for pre-emption priority
+ *                                   2 bits for subpriority
+ *            NVIC_PriorityGroup_3 - 3 bits for pre-emption priority
+ *                                   1 bits for subpriority
+ *            NVIC_PriorityGroup_4 - 4 bits for pre-emption priority
+ *                                   0 bits for subpriority
+ *
+ * @return  none
+ */
+void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
+{
+    NVIC_Priority_Group = NVIC_PriorityGroup;
+}
+
+/*********************************************************************
+ * @fn      NVIC_Init
+ *
+ * @brief   Initializes the NVIC peripheral according to the specified parameters in
+ *        the NVIC_InitStruct.
+ *
+ * @param   NVIC_InitStruct - pointer to a NVIC_InitTypeDef structure that contains the
+ *        configuration information for the specified NVIC peripheral.
+ *
+ * @return  none
+ */
+void NVIC_Init(NVIC_InitTypeDef *NVIC_InitStruct)
+{
+    uint8_t tmppre = 0;
+
+    if(NVIC_Priority_Group == NVIC_PriorityGroup_0)
+    {
+        NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4);
+    }
+    else if(NVIC_Priority_Group == NVIC_PriorityGroup_1)
+    {
+        if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority == 1)
+        {
+            NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4));
+        }
+        else
+        {
+            NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4));
+        }
+    }
+    else if(NVIC_Priority_Group == NVIC_PriorityGroup_2)
+    {
+        if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 1)
+        {
+            tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4 * NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
+            NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (tmppre << 4));
+        }
+        else
+        {
+            tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4 * (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority - 2));
+            NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (tmppre << 4));
+        }
+    }
+    else if(NVIC_Priority_Group == NVIC_PriorityGroup_3)
+    {
+        if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 3)
+        {
+            tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2 * NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
+            NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (tmppre << 4));
+        }
+        else
+        {
+            tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2 * (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority - 4));
+            NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (tmppre << 4));
+        }
+    }
+    else if(NVIC_Priority_Group == NVIC_PriorityGroup_4)
+    {
+        NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << 4);
+    }
+
+    if(NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
+    {
+        NVIC_EnableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
+    }
+    else
+    {
+        NVIC_DisableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
+    }
+}