/* * */ #include #include "spi.h" SPI::SPI() { } void SPI::begin(int busNo, uint32_t spi_speed) { if (this->spiIsInitialized) { return; } spiIsInitialized = true; gpioInitialise(); spiHandle = spiOpen((unsigned int)(busNo & 2), spi_speed, (unsigned int)((busNo / 10) << 7)); } void SPI::init(uint32_t speed) { } uint8_t SPI::transfer(char tx) { char rbuf = 0; spiXfer(spiHandle, &tx, &rbuf, 1); return rbuf; } void SPI::transfernb(char* txBuf, char* rxBuf, uint32_t len) { spiXfer(spiHandle, txBuf, rxBuf, len); } SPI::~SPI() { }