| 1 | /* |
| 2 | * |
| 3 | */ |
| 4 | |
| 5 | #include <pigpio.h> |
| 6 | #include "spi.h" |
| 7 | |
| 8 | SPI::SPI() |
| 9 | { |
| 10 | } |
| 11 | |
| 12 | void SPI::begin(int busNo, uint32_t spi_speed) |
| 13 | { |
| 14 | if (this->spiIsInitialized) { |
| 15 | return; |
| 16 | } |
| 17 | spiIsInitialized = true; |
| 18 | gpioInitialise(); |
| 19 | spiHandle = spiOpen((unsigned int)(busNo & 2), spi_speed, (unsigned int)((busNo / 10) << 7)); |
| 20 | } |
| 21 | |
| 22 | void SPI::init(uint32_t speed) |
| 23 | { |
| 24 | } |
| 25 | |
| 26 | uint8_t SPI::transfer(char tx) |
| 27 | { |
| 28 | char rbuf = 0; |
| 29 | spiXfer(spiHandle, &tx, &rbuf, 1); |
| 30 | return rbuf; |
| 31 | } |
| 32 | |
| 33 | void SPI::transfernb(char* txBuf, char* rxBuf, uint32_t len) |
| 34 | { |
| 35 | spiXfer(spiHandle, txBuf, rxBuf, len); |
| 36 | } |
| 37 | |
| 38 | SPI::~SPI() |
| 39 | { |
| 40 | } |