CoolPotOS/include/dma.h
2024-05-12 14:34:03 +08:00

13 lines
392 B
C

#ifndef CRASHPOWEROS_DMA_H
#define CRASHPOWEROS_DMA_H
#define LOW_BYTE(x) (x & 0x00FF)
#define HI_BYTE(x) ((x & 0xFF00) >> 8)
void _dma_xfer(unsigned char DMA_channel, unsigned char page,
unsigned int offset, unsigned int length, unsigned char mode);
void dma_xfer(unsigned char channel, unsigned long address, unsigned int length,
unsigned char read);
#endif