问STM32 SPI LL DMA传输EN目录 --- 学习目标 本节学习的是SPI通信原理，其实在之前51学习AD的时...
给DMA一个起始地址,好比是一个buffer起始地址,数据流程是:外设 寄存器à DMA_PeripheralBaseAddàmemory中变量空间(或flash中数据空间等),ADC1_DR_Address是我定义的一个地址 变量;
= 0){wait_loop_index--;}//DMA通道请求LL_DMA_SetPeriphRequest(DMA1, LL_DMA_CHANNEL_1, LL_...
GET 请求获取Request-URI所标识的资源 POST 在Request-URI所标识的资源后附加新的数据 HEAD 请求获取由Request-URI所标识的资源的响应消息报头 PUT 请求服务器存储一个资源,并用Request-URI作为其标识 DELETE 请求服务器删除Request-URI所标识的资源 TRACE 请求服务器回送收到的请求信息,主要用于测试或诊断 CONNECT 保...
//USART1 TX DMA配置DMA_Init_Struct.PeriphRequest = LL_DMAMUX1_REQ_USART1_TX; //USART1...
ADC_REG_InitStruct.SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE; ADC_REG_InitStruct.ContinuousMode = LL_ADC_REG_CONV_SINGLE; ADC_REG_InitStruct.DMATransfer = LL_ADC_REG_DMA_TRANSFER_LIMITED; ADC_REG_InitStruct.Overrun = LL_ADC_REG_OVR_DATA_PRESERVED; LL_ADC_REG_Init(ADC1, &ADC...
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void *cpu_addr, dma_addr_t dma_handle); 2、列举了映射方向: enum dma_data_direction { DMA_BIDIRECTIONAL = 0, DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, DMA_NONE = 3, }; 3、单映射 dma_addr_t dma_map_single(struct device *dev, void *addr, ...
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"Error... Kernel module updated failed, due to mismatched kernel 3.8.0-30-generic with pre-build KMD. You have to rebuild kernel with patched files (kmd/source) manually." When trying to build patched sources (v3.2), i get the following error:"drivers/gpu/drm/i915/i915_dma.c:37:29...