firm/sample/simple_mp3_player/os/spi.h

   1
   2 #ifndef SPI_H
   3 #define SPI_H
   4
   5 #include "defines.h"
   6
   7 typedef enum {
   8     SpiTarget_VS1011E_CTRL,
   9     SpiTarget_VS1011E_DATA,
  10     SpiTarget_SDCARD
  11 } SpiTarget;
  12
  13 void spi_init(void);
  14 void spi_tx(uint8 d);
  15 uint8 spi_rx(void);
  16 void spi_select(SpiTarget st);
  17 void spi_deselect(void);
  18
  19 #endif
  20