Diff: RFIDer.h

Revision:

0:ec877e8509d0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RFIDer.h	Tue May 02 13:45:17 2017 +0000
@@ -0,0 +1,78 @@
+#include "mbed.h"
+
+typedef enum
+{
+    SYNC = 0,
+    READY,
+}DecoderState;
+
+typedef enum
+{
+    IDLE = 0,           // Looking for '0111111111'
+    READING,
+    DONE,          
+}TagReaderState;
+
+
+class RFIDer{
+    public :
+    
+    RFIDer(PinName clk, PinName mosi, PinName miso);
+    
+    void setSamplingTime(char ts);
+    
+    char getSamplingTime();
+    
+    void setComPeriod(short half_period);
+    
+    short getComPeriod();
+    
+    void setConfigPage(char mode, char data);
+    
+    char getConfigPage(char mode);
+    
+    void setClockFrequency(int frequency);
+    
+    int getClockFrequency();
+    
+    int getAntennaStatus();
+    
+    char readPhase();
+    
+    void startReadingTag();
+    
+    void stopReadingTag();
+    
+    char* getTag(void);
+    
+    bool isTagAvailable(void);
+    
+      
+    private :
+    
+    char sendCmd(char cmd);
+    
+    void ISR_tag_reading(void);
+    
+    char decodeBit(int delay);
+    
+    char checkDataIntegrity(void);
+    
+    void decodeTag(void);
+    
+    // Serial Interface (SPI like)
+    DigitalOut mosi;        // Ditital data ouput
+    DigitalOut clk;         // Digital clock output
+    DigitalIn miso;         // Digital data input
+    InterruptIn data;       // Interrupt on digital input (tag decoder purpose)
+    int clock_frequency;    // HTRC110 hardware crystal frequency
+    short Tserial;            // uC serial communication half period [us]
+    
+    // Tag interface (raw demodulated data)
+    Timer timer;        // Timer to decode data
+    short Tdata;          // Half data rate period [us]
+    char lastBit;       // 0/1/2(unknown)
+    bool array[60];     // 64 bits minus 9 header bits are enough but decoder needs at least 55+1 bits.
+    char tag[8];        // Last read tag (Id = 0xtag[i])
+    bool tagAvailable;  // A tag has been read and not got
+};
\ No newline at end of file