mirror of https://github.com/arendst/Tasmota.git
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#include <SPI.h>
|
|
|
|
#ifndef Adafruit_SPIDevice_h
|
|
#define Adafruit_SPIDevice_h
|
|
|
|
// some modern SPI definitions don't have BitOrder enum
|
|
#if (defined(__AVR__) && !defined(ARDUINO_ARCH_MEGAAVR)) || defined(ESP8266) || defined(TEENSYDUINO)
|
|
typedef enum _BitOrder {
|
|
SPI_BITORDER_MSBFIRST = MSBFIRST,
|
|
SPI_BITORDER_LSBFIRST = LSBFIRST,
|
|
} BitOrder;
|
|
#endif
|
|
|
|
// some modern SPI definitions don't have BitOrder enum and have different SPI mode defines
|
|
#if defined(ESP32)
|
|
typedef enum _BitOrder {
|
|
SPI_BITORDER_MSBFIRST = SPI_MSBFIRST,
|
|
SPI_BITORDER_LSBFIRST = SPI_LSBFIRST,
|
|
} BitOrder;
|
|
#endif
|
|
|
|
// Some platforms have a BitOrder enum but its named MSBFIRST/LSBFIRST
|
|
#if defined(ARDUINO_ARCH_SAMD) || defined(__SAM3X8E__) || defined(NRF52_SERIES) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32) || defined(ARDUINO_ARCH_MEGAAVR) || defined(_STM32_DEF_)
|
|
#define SPI_BITORDER_MSBFIRST MSBFIRST
|
|
#define SPI_BITORDER_LSBFIRST LSBFIRST
|
|
#endif
|
|
|
|
///< The class which defines how we will talk to this device over SPI
|
|
class Adafruit_SPIDevice {
|
|
public:
|
|
Adafruit_SPIDevice(int8_t cspin,
|
|
uint32_t freq=1000000,
|
|
BitOrder dataOrder=SPI_BITORDER_MSBFIRST,
|
|
uint8_t dataMode=SPI_MODE0,
|
|
SPIClass *theSPI=&SPI);
|
|
|
|
Adafruit_SPIDevice(int8_t cspin, int8_t sck, int8_t miso, int8_t mosi,
|
|
uint32_t freq=1000000,
|
|
BitOrder dataOrder=SPI_BITORDER_MSBFIRST,
|
|
uint8_t dataMode=SPI_MODE0);
|
|
|
|
bool begin(void);
|
|
bool read(uint8_t *buffer, size_t len, uint8_t sendvalue=0xFF);
|
|
bool write(uint8_t *buffer, size_t len, uint8_t *prefix_buffer=NULL, size_t prefix_len=0);
|
|
bool write_then_read(uint8_t *write_buffer, size_t write_len, uint8_t *read_buffer, size_t read_len, uint8_t sendvalue=0xFF);
|
|
|
|
uint8_t transfer(uint8_t send);
|
|
void transfer(uint8_t *buffer, size_t len);
|
|
|
|
private:
|
|
|
|
SPIClass *_spi;
|
|
SPISettings *_spiSetting;
|
|
uint32_t _freq;
|
|
BitOrder _dataOrder;
|
|
uint8_t _dataMode;
|
|
|
|
int8_t _cs, _sck, _mosi, _miso;
|
|
bool _begun;
|
|
};
|
|
|
|
#endif // Adafruit_SPIDevice_h
|