图好像没有显示,补充一下问题:这是core_cm7.h定义:
typedef struct
{
__IOM uint32_t ISER[8U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
uint32_t RESERVED0[24U];
__IOM uint32_t ICER[8U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
uint32_t RESERVED1[24U];
__IOM uint32_t ISPR[8U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
uint32_t RESERVED2[24U];
__IOM uint32_t ICPR[8U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
uint32_t RESERVED3[24U];
__IOM uint32_t IABR[8U]; /*!< Offset: 0x200 (R/W) Interrupt Active bit Register */
uint32_t RESERVED4[56U];
__IOM uint8_t IPR[240U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register (8Bit wide) */
uint32_t RESERVED5[644U];
__OM uint32_t STIR; /*!< Offset: 0xE00 ( /W) Software Trigger Interrupt Register */
} NVIC_Type;
这是 gd32h7xx_misc.c 里nvic_irq_enable 接口里的使用:
NVIC->IP[(uint8_t)nvic_irq] = (uint8_t)temp_priority;
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