MPU_InitStruct.Number = MPU_REGION_NUMBER1; MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0; MPU_InitStruct.SubRegionDisable = 0x00; MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE; HAL_MPU_ConfigRegion(&MPU_InitStruct); /*使能 MPU */ HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); } ...
HAL_MPU_ConfigRegion(&MPU_InitStruct); /*使能 MPU */ HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); 全局配置 第一行的MPU_Region_InitTypeDef是配置结构体,用来存储MPU配置参数。不多做解释。 在配置MPU之前需要调用HAL_MPU_Disable函数来临时禁用MPU,配置结束后则需要调用HAL_MPU_Enable函数重新使能。 使能MPU的...
MPU_InitStruct.Number = MPU_REGION_NUMBER1; MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0; MPU_InitStruct.SubRegionDisable = 0x00; MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE; HAL_MPU_ConfigRegion(&MPU_InitStruct); /*使能 MPU */ HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); } ...
HAL_MPU_ConfigRegion(&MPU_InitStruct); /* 配置FMC扩展IO的MPU属性为Device或者Strongly Ordered */ MPU_InitStruct.Enable = MPU_REGION_ENABLE; MPU_InitStruct.BaseAddress = 0x60000000; MPU_InitStruct.Size = ARM_MPU_REGION_SIZE_64KB; MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS; MPU_...
*/voidbsp_Init(void){/* 配置MPU */MPU_Config();/* 使能L1 Cache */CPU_CACHE_Enable();/* STM32H7xx HAL 库初始化,此时系统用的还是H7自带的64MHz,HSI时钟: - 调用函数HAL_InitTick,初始化滴答时钟中断1ms。 - 设置NVIV优先级分组为4。
MPU_ACCESS_NOT_SHAREABLE; MPU_InitStruct.Number = MPU_REGION_NUMBER1; HAL_MPU_ConfigRegion( /* Configure FMC region as REGION N2, 0.5GB of size, R/W region */ MPU_InitStruct.BaseAddress = 0 x60000000; MPU_InitStruct.Size = MPU_REGION_SIZE_512MB; MPU_InitStruct.IsShareable = MPU_...
* 函数名: MPU_Config * 功能说明: 配置MPU * 形 参: 无 * 返回值: 无 ***/staticvoidMPU_Config(void) { MPU_Region_InitTypeDef MPU_InitStruct;/*禁止 MPU*/HAL_MPU_Disable();/*配置AXI SRAM的MPU属性为Write back, Read allocate,Write allocate*/MPU_InitStruct...
4.6.5 第5步,MPU配置 为了方便大家移植测试,我们这里直接关闭AXI SRAM的读Cache和写Cache(这样就跟使用STM32F1或者STM32F4系列里面的SRAM一样)。此配置是在bsp.c文件的MPU_Config函数里面实现: 代码语言:javascript 复制 /* *** * 函数名: MPU_Config * 功能说明: 配置MPU * 形 参: 无 * 返回值: 无 ...
HAL_MPU_Disable();/* Define cacheable memory via MPU */MPU_AttributesInit.Number = ARRAY_ATTRIBUTE_NUMBER;MPU_AttributesInit.Attributes = MPU_NOT_CACHEABLE;HAL_MPU_ConfigMemoryAttributes(&MPU_AttributesInit);MPU_InitStruct.Enable = MPU_REGION_ENABLE;MPU_InitStruct.BaseAddress = ARRAY_ADDRES...
static void MPU_Config( void ) { MPU_Region_InitTypeDef MPU_InitStruct; /* 禁止 MPU */ HAL_MPU_Disable(); #if 0 /* 配置AXI SRAM的MPU属性为Write back, Read allocate,Write allocate */ MPU_InitStruct.Enable = MPU_REGION_ENABLE;