tcDspAdc7844

Introduction

The tcDspAdc7844 class may be used to provide access to the MityDSP ADS7844 interface core. The ADS7844 interface core marries the MityDSP to a TI ADS7844 series 12 bit analog to digital converter.

For hardware interfaces, the ADS7844 and McBSP should be connected as follows:

McBSP Port	<ADS7844 Port	Notes
DX	DIN	External 2K Pulldown Resistor required
DR	DOUT
CLKX	DCLK
CLKR	No Connect
FSX	No Connect
FSR	BUSY
Ground	CS

This class allows for configuring the ADC to provide continuous or burst data colletion data.

See also:

MityDSP::tcDspAdc7844 Class Reference

Example

This is a simple example of tcDspAdc7844 creation and usage:

 {
     tcDspAdc7844* mpADC;
     unsigned int sample;

     // new up the 7844 core.
     mpADC = new tcDspAdc7844(MCBSP_DEV0);

     // read samples, print results
     while(true)
     {
        sample = mpADC->GetSample(0);
        printf("%d\r\n",sample);
        TSK_sleep(1);
     }
     
     ... 

 }