Esempi in C++ (Cpp) per Chip_DMA_EnableChannel

Esempio n. 1

File: platform.c Progetto: EmuxEvans/SDK_MiCOKit_v2.3.0.2

void DmaAbort(DMA_CHID_T dmaCh)
{
    Chip_DMA_DisableChannel(LPC_DMA, dmaCh);
    while ((Chip_DMA_GetBusyChannels(LPC_DMA) & (1 << dmaCh)) != 0) {}
    Chip_DMA_AbortChannel(LPC_DMA, dmaCh);
    Chip_DMA_EnableChannel(LPC_DMA, dmaCh);
}

Esempio n. 2

File: dma_uart.c Progetto: frankzzcn/M2_SE_RTOS_Project

/* Setup DMA UART RX support, but do not queue descriptors yet */
static void dmaRXSetup(void)
{
	/* Setup UART 0 RX channel for the following configuration:
	   - Peripheral DMA request (UART 0 RX channel)
	   - Single transfer
	   - Low channel priority */
	Chip_DMA_EnableChannel(LPC_DMA, DMAREQ_USART0_RX);
	Chip_DMA_EnableIntChannel(LPC_DMA, DMAREQ_USART0_RX);
	Chip_DMA_SetupChannelConfig(LPC_DMA, DMAREQ_USART0_RX,
								(DMA_CFG_PERIPHREQEN | DMA_CFG_TRIGBURST_SNGL | DMA_CFG_CHPRIORITY(3)));
}