Diff: AD9249.h

Revision:

0:9efb460e962b

Child:

1:01459a6ab296

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AD9249.h	Tue Sep 23 08:25:23 2014 +0000
@@ -0,0 +1,77 @@
+#ifndef AD9249_H
+#define AD9249_H
+/*  interface for controlling the AD9249 ADC ,  16 channel ADC  Analog Devices
+
+-only one CSB line , so assumes the pins CSB1 and CSB2 are connected together . 
+-only MSB mode is supported,  so configuration register MSB is set at the start. 
+
+
+W. Beaumont 
+(C) Universiteit Antwerpen  27 August 2014 
+
+*/ 
+class SWSPI_BI;
+//class DigitalIn; 
+
+class AD9249 {
+    typedef  unsigned char u8;
+    typedef  unsigned int u32;
+    typedef  unsigned short u16;
+// address defs     
+    static const u16 configreg=           0x0;
+    static const u16 chip_id_reg=         0x1;
+    static const u16 chip_grade_reg=      0x2;
+   // static const u16 unused_reg= { 0x3, 0x07, 0xA, 0xE, 0xF ,0x11, 0x12,0x13, 0x17, 0x1D, 0x1E, 0x1F,0x20 };
+    static const u16 dev_index2_reg=      0x4;
+    static const u16 dev_index1_reg=      0x4;
+    static const u16 transfer_reg=      0xFF;
+    static const u16 power_mode_reg=      0x8;
+    static const u16 clock_gobal_reg=      0x9;
+    static const u16 clock_divide_reg=      0xB;
+    static const u16 enhancement_ctr_reg=      0xC;
+    static const u16 test_mode_reg=      0xD;
+    static const u16 offset_adj_reg=      0x10;
+    static const u16 output_mode_reg=      0x14;
+    static const u16 output_adj_reg=      0x15;
+    static const u16 output_phase_reg=      0x16;
+    static const u16 vref_reg=      0x18;
+    static const u16 usserpatt1_LSB_reg=      0x19;
+    static const u16 usserpatt1_MSB_reg=      0x1A;
+    static const u16 usserpatt2_LSB_reg=      0x1B;
+    static const u16 usserpatt2_MSB_reg=      0x1C;
+    static const u16 serial_out_cntr_reg=      0x21;
+    static const u16 serial_status_reg=      0x22;
+    static const u16 sample_rate_reg=      0x100;
+    static const u16 user_io_ctr2_reg=      0x101;
+    static const u16 user_io_ctr3_reg=      0x102;
+    static const u16 sync_reg=      0x109;
+   
+    u32 spi_cycle( u16 reg , bool rw , u16 nrbytes, u32 data);
+    SWSPI_BI* spi;
+    DigitalOut* csb;    
+  public:
+    AD9249( SWSPI_BI* spi_dev, DigitalOut* csb_dev);
+    bool getDevInfo(u8& chipid,u8& grade, u16& rb  );
+   bool getDevId(u8&chipid );
+   bool getGrade(u8&grade ); 
+   bool setPattern1(u16 pattern);
+   bool setPattern2(u16 pattern);
+   bool readPattern1(u16& pattern);
+   bool readPattern2(u16& pattern);
+   //general read write 
+   bool setReg16( u16 regaddr, u16 data);
+   bool setReg8 ( u16 regaddr, u8 data);
+   bool readReg16( u16 regaddr, u16& data);
+   bool readReg8 ( u16 regaddr, u8& data);
+   
+};
+
+
+
+
+
+#endif 
+
+
+
+