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Ultra fast and direct SPI library for some STM32 micros.

Dependents:   DirectSPI-test wave_player_super_lite

DirectSPI.h

Committer:
mimi3
Date:
2017-02-28
Revision:
4:f63f07d07d5a
Parent:
3:63cc20b0895b

File content as of revision 4:f63f07d07d5a:

#ifndef __DIRECTSPI_H_
#define __DIRECTSPI_H_

#include "mbed.h"
#include "PeripheralPins.h"
#define TODO    0

class DirectSPI : public SPI
{
public:
    DirectSPI(PinName mosi, PinName miso, PinName sclk);
    uint16_t directWrite8(uint16_t data);
    uint16_t directWrite16(uint16_t data);
    uint16_t directWrite(uint16_t data);
    SPI_TypeDef *spi_get_id( PinName mosi, PinName miso, PinName sclk, PinName ssel);
    void operator = (uint8_t d8){
        volatile uint16_t res;
        res = directWrite8( d8 );
    }
protected:
    SPI_TypeDef *spi;
#if TODO
    uint16_t (DirectSPI::*spiSend)(uint16_t data);
    uint16_t spiSend8(uint16_t data){return 0;};
    uint16_t spiSend16(uint16_t data){return 0;};
#endif
};

#endif /* __DIRECTSPI_H_ */