dma.c

来自「usb drivers based on s3c2410」· C语言 代码 · 共 53 行

#include "config.h"
#include "frame.h"
#include "lib.h"

#ifdef _DEBUG
#include <stdio.h>
#endif /* _DEBUG */

static void
dma0_isr(struct contextframe *cf, int irq)
{

}

static void
dma1_isr(struct contextframe *cf, int irq)
{

}
static void
dma2_isr(struct contextframe *cf, int irq)
{

}

static void
dma3_isr(struct contextframe *cf, int irq)
{

}

void
init_dma(void)
{

  ivt[INT_DMA0] = dma0_isr;
  CLEAR_PENDING(INT_DMA0);
  INT_ENABLE(INT_DMA0);

  ivt[INT_DMA1] = dma1_isr;
  CLEAR_PENDING(INT_DMA1);
  INT_ENABLE(INT_DMA1);

  ivt[INT_DMA2] = dma2_isr;
  CLEAR_PENDING(INT_DMA2);
  INT_ENABLE(INT_DMA2);

  ivt[INT_DMA3] = dma3_isr;
  CLEAR_PENDING(INT_DMA3);
  INT_ENABLE(INT_DMA3);
}