要使用中断配置DMA,请按照内存到内存模式部分中详述的步骤进行操作。 在System Core 》 NVIC中启用DMA1Channel1Global Interrupt如下图所示 2023-03-23 15:23:53 STM32F407DMA请求映射能在哪里使用 STM32F407DMA1请求映射能在哪里使用?STM32F407DMA2请求映射能在哪里使用?
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#define DMA_CDSA_U1 (volatile int ioport *) 0x0C27 //DMA Channel 1 Source Destination Address Register(upper bits) #define DMA_CEN1 (volatile int ioport *) 0x0C28 //DMA Channel 1 Element Number Register #define DMA_CFN1 (volatile int ioport *) 0x0C29 //DMA Channel 1 Frame Number...
/* Handle QSPI3 Error interrupt */void QSPI3ErrorISR(void){IfxCpu_enableInterrupts();IfxQspi_SpiSlave_isrError(&g_qspiDma.spiSlave);} /* Handle DMA Channel 1 interrupt */void DMAChn1ISR(void){IfxCpu_enableInterrupts();IfxQspi_SpiMaster_isrDmaTransmit(&g_qspiDma.spiMaster);send_ASCL...
aBit 7 DMA1CH23_EV: DMA1 channel 2 and 3 interrupt event[translate] a0: No wakeup event generated on DMA1 channel 2 and 3[translate] aThis bit is written by software to select the DMA1 channel 0 and 1 interrupt sources used to wake up the CPU from WFE mode.[translate]...
/* arm the dma channel for receive */ DMAARM|=BV( MRFI_DMA_CHAN ); /* Clear interrupts */ S1CON=0;/* Clear MCU interrupt flag */ RFIF= ~IRQ_DONE;/* Clear the interrupt at the source */ /* send strobe to enter receive mode */ ...
您可以尝试在Halcogen中 TMS570LC4357 > R5-MPU-PMU > Cortex-R5 > 取消选中 Enable Cache 或者将缓存配置为write through 模式，以确保RAM和缓存中的数据匹配 启用
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DMAMUX_EnableChannel(OLED_DSPI_MASTER_DMA_MUX_BASEADDR , masterTxChannel); #endif EDMA_GetDefaultConfig(&userConfig); EDMA_Init(OLED_DSPI_MASTER_DMA_BASEADDR , &userConfig); DSPI_MasterInit(OLED_DSPI_MASTER_BASEADDR , &oledSPIConfig , SPI_TRANSFER_BAUDRATE); // DSPI_MaasterTransfer...