[ts-7000] ADC daemon

["nitelitephoto" <>]

This is adcd, a daemon that provides access to the TS7250 Cirrus 93xx
and MAX197 ADCs via UNIX sockets to multiple clients using a simple
protocol.

http://narnia.dnsalias.org/ts7250/files/ 

There is available part of a client to acdc that logs output to
sqlite3.  In a week or so, I hope to post more. 

This adcd protocol:

 * COMMANDS
 *  get x,y,z
 *   where
 *   x = 0 means MAX197 ADC
 *   x = 1 means Cirrus EP93xx ADC
 *   y is the channel 0...4 or 0...7
 *   z is the range (only for Cirrus, put 0 for MAX197)
 *
 * Range  0 is unipolar 0-5v         LSB = 1.2mV
 *        1 is bipolar -5v-0-5v            2.4mV
 *        2 is unipolar 0-10v              2.4mV
 *        3 is bipolar -10v-0-10v          4.9mV

Thanks to Jim Jackson and Eddie Dawydiuk for their low-level examples.

This code has not been tested much, so caveat emperor.






 
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