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Re: [Discuss-gnuradio] read_aux_adc


From: Eric Blossom
Subject: Re: [Discuss-gnuradio] read_aux_adc
Date: Mon, 31 May 2010 11:58:50 -0700
User-agent: Mutt/1.5.20 (2009-08-17)

On Mon, May 31, 2010 at 04:42:47PM +0800, jf w wrote:
> I'm using RFX2400 daughterboard on side B, my arguments are  slot=2
> which_adc = 0 ,and I'm calling it from python.
> 
> Your question inspire me that my arguments may be wrong. I think the slot
> argument should be 3(SLOT_RX_B), but I don't know the meaning of which_adc
> and how to set it.
> 
> There are two aux_adc on one ad9862:aux_adc_a and aux_adc_b , but there are
> four pins : aux_adc_a1,aux_adc_a2, aux_adc_b1 and aux_adc_b2. But what is
> the input of the signal on these pins?
> 
> Thanks a lot.
> 

  /*!
   * \brief Read auxiliary analog to digital converter.
   *
   * \param which_side  [0,1] which d'board
   * \param which_adc   [0,1]
   * \returns value in the range [0,4095] if successful, else READ_FAILED.
   */
  virtual int read_aux_adc (int which_side, int which_adc) = 0;

Try

  v = u.read_aux_adc(1, 0)

I think the RSSI is on adc 0, but not 100% sure.

Eric



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