initial commit

PN532_SPI.h

@@ -0,0 +1,36 @@
+
+#ifndef __PN532_SPI_H__
+#define __PN532_SPI_H__
+
+#include <SPI.h>
+#include "PN532Interface.h"
+
+class PN532_SPI : public PN532Interface {
+public:
+    PN532_SPI(SPIClass &spi, uint8_t ss);
+    
+    void begin();
+    void wakeup();
+    int8_t writeCommand(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0);
+
+    int16_t readResponse(uint8_t buf[], uint8_t len, uint16_t timeout);
+    
+private:
+    SPIClass* _spi;
+    uint8_t   _ss;
+    uint8_t command;
+    
+    bool isReady();
+    void writeFrame(const uint8_t *header, uint8_t hlen, const uint8_t *body = 0, uint8_t blen = 0);
+    int8_t readAckFrame();
+    
+    inline void write(uint8_t data) {
+        _spi->transfer(data);
+    };
+
+    inline uint8_t read() {
+        return _spi->transfer(0);
+    }; 
+};
+
+#endif