C++ (Cpp) RxDmaBusy示例

示例#1

文件： ate_pci.c 项目： houzhenggang/mt7688_mips_ecos

VOID RtmpDmaEnable(
	IN PRTMP_ADAPTER pAd,
	IN INT Enable)
{
	BOOLEAN value;
	ULONG WaitCnt;
	WPDMA_GLO_CFG_STRUC GloCfg;
	
	value = Enable > 0 ? 1 : 0;

	/* check if DMA is in busy mode or not. */
	WaitCnt = 0;

	while (TxDmaBusy(pAd) || RxDmaBusy(pAd))
	{
		RTMPusecDelay(10);

		if (WaitCnt++ > 100)
			break;
	}
	
	RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word);	/* disable DMA */
	GloCfg.field.EnableTxDMA = value;
	GloCfg.field.EnableRxDMA = value;
	RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word);	/* abort all TX rings */
	RtmpOsMsDelay(5);

	return;
}

示例#2

文件： ate_usb.c 项目： BlackHole/wifi-p2p-mt7601

VOID RtmpDmaEnable(
	IN PRTMP_ADAPTER pAd,
	IN INT Enable)
{
	BOOLEAN value;
	ULONG WaitCnt;
	USB_DMA_CFG_STRUC UsbCfg;
	
	value = Enable > 0 ? 1 : 0;

	/* check DMA is in busy mode. */
	WaitCnt = 0;

	while (TxDmaBusy(pAd) || RxDmaBusy(pAd))
	{
		RTMPusecDelay(10);
		if (WaitCnt++ > 100)
			break;
	}
	RTMP_IO_READ32(pAd, USB_DMA_CFG, &UsbCfg.word);	/* disable DMA */
	UsbCfg.field.TxBulkEn = value;
	UsbCfg.field.RxBulkEn = value;
	RTMP_IO_WRITE32(pAd, USB_DMA_CFG, UsbCfg.word);	/* abort all TX rings */
	RtmpOsMsDelay(5);

	return;
}