CVS: examples/i2c_spy README.txt,1.3,1.4

Chris Liechti <[email protected]> Thu, 15 May 2008 08:56:09 -0700
Newsgroups gmane.comp.hardware.texas-instruments.msp430.gcc.cvs
Message-ID <[email protected]>
Update of /cvsroot/mspgcc/examples/i2c_spy
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv32337/examples/i2c_spy

Modified Files:
	README.txt 
Log Message:
doc updates

Index: README.txt
===================================================================
RCS file: /cvsroot/mspgcc/examples/i2c_spy/README.txt,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -w -d -r1.3 -r1.4
--- README.txt	13 Mar 2006 18:22:46 -0000	1.3
+++ README.txt	15 May 2008 15:56:05 -0000	1.4
@@ -6,7 +6,7 @@
 This is a simple I2C spy soft- and hardware. The software decodes
 I2C data and sends a hexdump over the serial port.
 
-The slave sends the data with 115200Baud over the serial port and the
+The slave sends the data with 115200 baud over the serial port and the
 the dump is in hex format, which means it is possible that the I2C bus would
 deliver more data than that could be logged. The spy thus uses the clock
 stretching feature of the I2C bus (holding SCL low).
@@ -90,6 +90,12 @@
 The LED lights up during clock init and whenever an address is read on the
 I2C bus. All other pins are set to output/GND. Do not connect them.
 
+Instead of generating a negative voltage internally, the transmit line from
+the PC is directly fed back. This works as this device is transmit only and
+never receives data from the PC. The PC must not send data to guarantee
+propper reception from the spy.
+
+
 Material
 ~~~~~~~~
 


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