AD9249 ADC
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Diff: AD9249.h
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- 0:9efb460e962b
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- 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 + + + +