2019-05-18 04:36:14 +01:00
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#include <SPI.h>
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#ifndef Adafruit_SPIDevice_h
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#define Adafruit_SPIDevice_h
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2019-05-18 05:28:55 +01:00
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#if defined(__AVR__) || defined(ESP32) || defined(ESP8266) // modern SPI definitions have a BitOrder enum
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2019-05-18 05:39:42 +01:00
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typedef uint8_t BitOrder;
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#endif
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#if defined(ESP32)
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#define MSBFIRST SPI_MSBFIRST
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2019-05-18 05:12:37 +01:00
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#endif
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2019-05-18 04:36:14 +01:00
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class Adafruit_SPIDevice {
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public:
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Adafruit_SPIDevice(int8_t cspin,
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uint32_t freq=1000000,
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BitOrder dataOrder=MSBFIRST,
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uint8_t dataMode=SPI_MODE0,
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SPIClass *theSPI=&SPI);
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bool begin(void);
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bool read(uint8_t *buffer, size_t len, uint8_t sendvalue=0xFF);
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bool write(uint8_t *buffer, size_t len, uint8_t *prefix_buffer=NULL, size_t prefix_len=0);
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bool write_then_read(uint8_t *write_buffer, size_t write_len, uint8_t *read_buffer, size_t read_len, uint8_t sendvalue=0xFF);
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private:
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SPIClass *_spi;
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SPISettings *_spiSetting;
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int8_t _cs;
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bool _begun;
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};
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#endif // Adafruit_SPIDevice_h
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