bstanwell/ch32v20x-examples
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This commit is contained in:
qiyongshuang
2024-02-26 13:22:09 +08:00
parent 0ad592325e
commit 9596a13c17
573 changed files with 36301 additions and 23003 deletions
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EVT/EXAM/SRC/Peripheral/inc/ch32v20x_misc.h
+36 -9
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@@ -19,21 +19,48 @@ extern "C" {
#include "ch32v20x.h"
/* NVIC Init Structure definition */
/* CSR_INTSYSCR_INEST_definition */
#define INTSYSCR_INEST_NoEN 0x00 /* interrupt nesting disable(CSR-0x804 bit1 = 0) */
#define INTSYSCR_INEST_EN 0x01 /* interrupt nesting enable(CSR-0x804 bit1 = 1) */
/* Check the configuration of CSR(0x804) in the startup file(.S)
* interrupt nesting enable(CSR-0x804 bit1 = 1)
* priority - bit[7] - Preemption Priority
* bit[6:5] - Sub priority
* bit[4:0] - Reserve
* interrupt nesting disable(CSR-0x804 bit1 = 0)
* priority - bit[7:5] - Sub priority
* bit[4:0] - Reserve
*/
#ifndef INTSYSCR_INEST
#define INTSYSCR_INEST INTSYSCR_INEST_EN
#endif
/* NVIC Init Structure definition
* interrupt nesting enable(CSR-0x804 bit1 = 1)
* NVIC_IRQChannelPreemptionPriority - range from 0 to 1.
* NVIC_IRQChannelSubPriority - range from 0 to 3.
*
* interrupt nesting disable(CSR-0x804 bit1 = 0)
* NVIC_IRQChannelPreemptionPriority - range is 0.
* NVIC_IRQChannelSubPriority - range from 0 to 7.
*
*/
typedef struct
{
uint8_t NVIC_IRQChannel;
uint8_t NVIC_IRQChannelPreemptionPriority;
uint8_t NVIC_IRQChannelSubPriority;
uint8_t NVIC_IRQChannel;
uint8_t NVIC_IRQChannelPreemptionPriority;
uint8_t NVIC_IRQChannelSubPriority;
FunctionalState NVIC_IRQChannelCmd;
} NVIC_InitTypeDef;
/* Preemption_Priority_Group */
#define NVIC_PriorityGroup_0 ((uint32_t)0x00)
#define NVIC_PriorityGroup_1 ((uint32_t)0x01)
#define NVIC_PriorityGroup_2 ((uint32_t)0x02)
#define NVIC_PriorityGroup_3 ((uint32_t)0x03)
#define NVIC_PriorityGroup_4 ((uint32_t)0x04)
#if (INTSYSCR_INEST == INTSYSCR_INEST_NoEN)
#define NVIC_PriorityGroup_0 ((uint32_t)0x00) /* interrupt nesting disable(CSR-0x804 bit1 = 0) */
#else
#define NVIC_PriorityGroup_1 ((uint32_t)0x01) /* interrupt nesting enable(CSR-0x804 bit1 = 1) */
#endif
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
void NVIC_Init(NVIC_InitTypeDef *NVIC_InitStruct);