50 lines
1.2 KiB
C++

#ifndef STA_CORE_RASPI_SPI_HPP
#define STA_CORE_RASPI_SPI_HPP
#include <sta/config.hpp>
#ifdef STA_PLATFORM_RASPI
#include <sta/spi/device.hpp>
#include <sta/spi/spi.hpp>
namespace sta
{
class RaspiSPI : public SPI
{
public:
RaspiSPI(const char * dev, const SPISettings & settings, Mutex * mutex = nullptr);
~RaspiSPI();
void transfer(uint8_t value) override;
void transfer16(uint16_t value) override;
void transfer(const uint8_t * buffer, size_t size) override;
void transfer(const uint8_t * txBuffer, uint8_t * rxBuffer, size_t size) override;
void receive(uint8_t * buffer, size_t size) override;
void fill(uint8_t value, size_t count) override;
void acquire() override;
void release() override;
private:
char * spidev_;
int spifd_;
bool open_;
void update_setting(int setting, int value);
};
class RaspiSPIDevice : SPIDevice
{
public:
RaspiSPIDevice(RaspiSPI * intf);
void select() override;
void deselect() override;
};
} // namespace sta
#endif // STA_PLATFORM_RASPI
#endif // STA_CORE_RASPI_HPP