Michael Shimniok / ADC128S

Driver for National Semiconductor ADC128Sxxx family of analog to digital converters

ADC128S.cpp@1:0edd6142cd67, 2011-03-02 (annotated)

Committer:
shimniok
Date:
Wed Mar 02 05:50:24 2011 +0000
Revision:
1:0edd6142cd67
Parent:
0:28addf1f4c26
Child:
2:f6c4a79f2ee0
Changed order of parameters. Updated documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shimniok 0:28addf1f4c26 1 // ADC128S a library for the National Semiconductor ADC128S family of ADCs
shimniok 0:28addf1f4c26 2 //
shimniok 0:28addf1f4c26 3 // by Michael Shimniok - http://www.bot-thoughts.com/
shimniok 0:28addf1f4c26 4 //
shimniok 0:28addf1f4c26 5 #include "mbed.h"
shimniok 0:28addf1f4c26 6 #include "ADC128S.h"
shimniok 0:28addf1f4c26 7
shimniok 1:0edd6142cd67 8 ADC128S::ADC128S(PinName mosi, PinName miso, PinName sck, PinName cs) : _adc(mosi, miso, sck), _cs(cs) {
shimniok 0:28addf1f4c26 9 _adc.format(16,3);
shimniok 0:28addf1f4c26 10 _adc.frequency(8000000);
shimniok 0:28addf1f4c26 11 }
shimniok 0:28addf1f4c26 12
shimniok 0:28addf1f4c26 13 unsigned int ADC128S::read(int channel) {
shimniok 0:28addf1f4c26 14 unsigned int result = 0;
shimniok 0:28addf1f4c26 15 _cs = 0;
shimniok 0:28addf1f4c26 16 _adc.write(channel<<11); // send channel for next acquisition; XXXAAAXX XXXXXXXX
shimniok 0:28addf1f4c26 17 result = _adc.write(channel<<11); // get next acquisition
shimniok 0:28addf1f4c26 18 _cs = 1;
shimniok 0:28addf1f4c26 19
shimniok 0:28addf1f4c26 20 return result;
shimniok 0:28addf1f4c26 21 }