IsShareable:设定配置的内存区域是否可以共享,可设置为1:MPU_ACCESS_BUFFERABLE和0:MPU_ACCESS_NOT_BUFFERABLE。这个参数在多用在总线和多核访问时的访问控制,一般情况下,除非使用STM32H745/H747,否则基本不用在乎此参数。 IsCacheable:设定cache策略,可设置为1:MPU_ACCESS_CACHEABLE和0:MPU_ACCESS_NOT_CACHEABLE ...
* @{*/#defineMPU_ACCESS_CACHEABLE ((uint8_t)0x01)#defineMPU_ACCESS_NOT_CACHEABLE ((uint8_t)0x00) B位对应的HAL库MPU参数如下,用于配合C位实现Cache模式下是否使用缓冲。 /** @defgroup CORTEX_MPU_Access_Bufferable CORTEX MPU Instruction Access Bufferable * @{*/#defineMPU_ACCESS_BUFFERABLE ((...
MPU_ACCESS_NOT_SHAREABLE, MPU_ACCESS_CACHEABLE, MPU_ACCESS_BUFFERABLE); /* 保护整个NAND FLASH区域,共256M字节,禁止指令访问,禁止共用,禁止cache,禁止缓冲 */ mpu_set_protection(0X80000000, MPU_REGION_SIZE_256MB, MPU_REGION_NUMBER7, MPU_INSTRUCTION_ACCESS_DISABLE, MPU_REGION_FULL_ACCESS, MPU_ACCE...
B位对应的HAL库MPU参数如下,用于配合C位实现Cache模式下是否使用缓冲。 代码语言:javascript 复制 /** @defgroup CORTEX_MPU_Access_Bufferable CORTEX MPU Instruction Access Bufferable * @{ */#defineMPU_ACCESS_BUFFERABLE((uint8_t)0x01)#defineMPU_ACCESS_NOT_BUFFERABLE((uint8_t)0x00) S位对应的HAL库MPU...
MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE; MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE; MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE; MPU_InitStruct.Number = MPU_REGION_NUMBER0; MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0; ...
MPU_InitStruct.IsBufferable =MPU_ACCESS_NOT_BUFFERABLE; MPU_InitStruct.IsCacheable =MPU_ACCESS_CACHEABLE; MPU_InitStruct.IsShareable =MPU_ACCESS_SHAREABLE; MPU_InitStruct.Number =MPU_REGION_NUMBER0; MPU_InitStruct.TypeExtField =MPU_TEX_LEVEL0; ...
MPU_ACCESS_NOT_SHAREABLE, MPU_ACCESS_CACHEABLE, MPU_ACCESS_BUFFERABLE); /* 保护整个SRAM1~SRAM3,共288K字节,允许指令访问,禁止共用,允许cache,允许缓冲 */ mpu_set_protection(0x30000000, MPU_REGION_SIZE_512KB,MPU_REGION_NUMBER3, ...
MPU_InitStruct.AccessPermission =MPU_REGION_FULL_ACCESS;MPU_InitStruct.IsBufferable =MPU_ACCESS_NOT_BUFFERABLE;MPU_InitStruct.IsCacheable =MPU_ACCESS_CACHEABLE;MPU_InitStruct.IsShareable =MPU_ACCESS_SHAREABLE;MPU_InitStruct.Number =MPU_REGION_NUMBER0;MPU_InitStruct.TypeExtField =MPU_TEX_LEVEL0;...
MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS; MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE; MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE; MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE; MPU_InitStruct.Number = MPU_REGION_NUMBER0; MPU_InitStruct.TypeExtField = MP...
11、MPU_InitStruct.Size = ARRAY_SIZE; MPU_InitStruct.AccessPermission = portMPU_REGION_PRIVILEGED_READ_WRITE; MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE; MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE; MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE; MPU_InitStruct....