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Diffstat (limited to 'uart/cyrustek_es51978/README')
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diff --git a/uart/cyrustek_es51978/README b/uart/cyrustek_es51978/README new file mode 100644 index 0000000..a10c8fd --- /dev/null +++ b/uart/cyrustek_es51978/README @@ -0,0 +1,34 @@ +------------------------------------------------------------------------------- +ES51978 based multimeter, serial communication +------------------------------------------------------------------------------- + +This is a set of example captures of the serial (UART) communication and +its timings on an optical RS232 cable for the ISO-TECH IDM103N digital +multimeter based on the Cyrustek ES51978 chip. + +The UART parameters are 2400 baud, with 7e1 settings. + +Details: +http://www.cyrustek.com.tw/spec/ES51978.pdf + + +Logic analyzer setup +-------------------- + +The logic analyzer used was an OpenBench Logic Sniffer : + + Probe RS232 Cable + ------------------------- + 0 RX + + +Data +---- + +Contains 3 samples sent by the multimeter set in resistance mode, mesuring +skin resistance, a few Mega Ohm. + +The sigrok command line used was: + + sigrok-cli -d ols:conn=/dev/ttyACM0 -c samplerate=100khz:rle=1 \ + -p 0=RX -t RX=0 -o es51978.sr --samples=245760 |