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_...
static void MPU_Config( void ) { MPU_Region_InitTypeDef MPU_InitStruct; /* 禁止 MPU */ HAL_MPU_Disable(); 省略未写 /* 配置以太网收发描述符部分为Device */ MPU_InitStruct.Enable = MPU_REGION_ENABLE; MPU_InitStruct.BaseAddress = 0x30040000; MPU_InitStruct.Size = MPU_REGION_SIZE_256B;...
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.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE; 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...
*/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。
*/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.Enable=MPU_REGION_ENABLE;MPU_InitStruct.BaseAddress=0x24000000;MPU_InitStruct.Size...
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...
INSTRUCTION_ACCESS_ENABLE;HAL_MPU_ConfigRegion(&MPU_InitStruct);/* Enable MPU (any access not covered by any enabled region will cause a fault) */HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);那现在我们开始操作这个0x20002000UL地址的RAM空间,首先attribute一个数组到这个地址:uint8_t mpudata[128] __...