< DMAMUX1 TIM1 UP request */#define DMA_REQUEST_TIM1_TRIG 16U /*!< DMAMUX1 TIM1 TRIG request */#define DMA_REQUEST_TIM1_COM 17U /*!< DMAMUX1 TIM1 COM request */中间部分省略未写#define DMA_REQUEST_TIM16_CH1 109U /*!< DMAMUX1 TIM16 CH1 request */#define DMA_REQUEST_TIM16...
各同步单元还可以生成DMA路由事件【dmamux_evtx】,该事件既可以作为DMAMUX其它路由通道的同步输入信号,以实现不同路由通道之间的级联【不同路由通道最终对应到不同的DMA传输通道】,又可以作为DMA请求生成器的触发输入信号,可以实现基于不同DMA请求之间的级联关系。 第二块,DMA请求生成器【RequestGenerator】,上面框图中...
UP request */ #define DMA_REQUEST_TIM1_TRIG 16U /*!< DMAMUX1 TIM1 TRIG request */ #define DMA_REQUEST_TIM1_COM 17U /*!< DMAMUX1 TIM1 COM request */ 中间部分省略未写 #define DMA_REQUEST_TIM16_CH1 109U /*!< DMAMUX1 TIM16 CH1 request */ #define DMA_REQUEST_TIM16_UP 110U...
< DMAMUX1 TIM16 CH1 request */ #define DMA_REQUEST_TIM16_UP 110U /*!< DMAMUX1 TIM16 UP request */ #define DMA_REQUEST_TIM17_CH1 111U /*!< DMAMUX1 TIM17 CH1 request */ #define DMA_REQUEST_TIM17_UP 112U /*!< DMAMUX1 TIM17 UP request */ #define DMA_REQUEST_SAI3_A 113...
/* TIM2 DMA Request enable */ TIM_DMACmd(TIM2, TIM_DMA_CC1, ENABLE); TIM_DMACmd(TIM2, TIM_DMA_Update, ENABLE); } void pwm_dma_send(void) { DMA_SetCurrDataCounter(DMA1_Channel5, sizeof(pwm_dma_buf)/2); // load number of bytes to be transferred ...
< DMAMUX1 TIM1 UP request */#defineDMA_REQUEST_TIM1_TRIG 16U /*!< DMAMUX1 TIM1 TRIG request */#defineDMA_REQUEST_TIM1_COM 17U /*!< DMAMUX1 TIM1 COM request */中间部分省略未写#defineDMA_REQUEST_TIM16_CH1 109U /*!< DMAMUX1 TIM16 CH1 request */#defineDMA_REQUEST_TIM16_UP ...
< DMAMUX1 TIM1 COM request */中间部分省略未写 #defineDMA_REQUEST_TIM16_CH1109U/*!< DMAMUX1 TIM16 CH1 request */#defineDMA_REQUEST_TIM16_UP110U/*!< DMAMUX1 TIM16 UP request */#defineDMA_REQUEST_TIM17_CH1111U/*!< DMAMUX1 TIM17 CH1 request */#defineDMA_REQUEST_TIM17_UP112U/...
第二块,DMA请求生成器【RequestGenerator】,上面框图中左下方的红色方框。 它的核心功能,就是生成DMA请求。其组成单元是请求生成通道,由多个请求生成通道构成请求生成器。每个生成通道与所有的触发输入信号并行相连,每个通道也具有DMA请求计数器。当生成器收到触发输入信号【dmamux_trgx】时,相应的请求生成通道则产生DMA...
DMA init*/hdma_tim2_up.Instance = DMA1_Channel2;hdma_tim2_up.Init.Request = DMA_REQUEST_...
#define DMA_REQUEST_TIM1_COM 17U /*!< DMAMUX1 TIM1 COM request */ 中间部分省略未写 #define DMA_REQUEST_TIM16_CH1 109U /*!< DMAMUX1 TIM16 CH1 request */ #define DMA_REQUEST_TIM16_UP 110U /*!< DMAMUX1 TIM16 UP request */ ...