Taisuke YAMADA / AD9850SPI

Fast SPI-based serial interface to AD9850 clock generator. Has same interface as (bit-banging based) AD9850 library, but more than x100 faster in frequency update speed. Can sweep 1KHz to 30MHz in 1KHz step in a few seconds.

AD9850SPI.h

Committer:
Taisuke Yamada
Date:
2020-01-13
Branch:
switch-to-cmsis-bitops
Revision:
6:8c15ffb18f88
Parent:
4:c60c1caa2593

File content as of revision 6:8c15ffb18f88:

/**
 * Fast AD9850 serial interface over SPI
 */

#include <mbed.h>

class AD9850SPI {

public:
    AD9850SPI(SPI &spi, PinName fq_ud, PinName reset);
    ~AD9850SPI();

    void reset_spi();
    void reset();
    void setFrequency(int freq, int powerdown=0, int phase=0);

private:
    SPI &_spi;
    DigitalOut _fq_ud;
    DigitalOut _reset;
};