src/libs/spi.h

   1 #ifndef _SPI_H
   2 #define _SPI_H
   3
   4 #include <stdint.h>
   5
   6 #include "spi_hal.h"
   7
   8 class SPI {
   9 public:
  10     SPI(PinName mosi, PinName miso, PinName sclk);
  11     ~SPI();
  12
  13     void frequency(uint32_t);
  14     uint8_t write(uint8_t);
  15
  16 //     int writeblock(uint8_t *, int);
  17
  18     bool can_DMA();
  19     int setup_DMA_rx(DMA_REG *);
  20     int setup_DMA_tx(DMA_REG *);
  21
  22     void irq(void);
  23
  24     static SPI* isr_dispatch[N_SPI_INTERRUPT_ROUTINES];
  25
  26 protected:
  27     uint32_t delay;
  28     Pin_t miso;
  29     Pin_t mosi;
  30     Pin_t sclk;
  31     SPI_REG *sspr;
  32 };
  33
  34 #endif /* _SPI_H */