From d26364a9fab697b7e1a29a52049f660b4f8fe5a3 Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Sun, 1 Jul 2012 23:10:19 +0200 Subject: Add V&A VA18B USB cable serial communication dump. --- uart/v_and_a_va18b_cable/README | 35 +++++++++++++++++++++ .../v_and_a_va18b_cable_ir_serial_usb.sr | Bin 0 -> 344506 bytes 2 files changed, 35 insertions(+) create mode 100644 uart/v_and_a_va18b_cable/README create mode 100644 uart/v_and_a_va18b_cable/v_and_a_va18b_cable_ir_serial_usb.sr (limited to 'uart/v_and_a_va18b_cable') diff --git a/uart/v_and_a_va18b_cable/README b/uart/v_and_a_va18b_cable/README new file mode 100644 index 0000000..cc57c42 --- /dev/null +++ b/uart/v_and_a_va18b_cable/README @@ -0,0 +1,35 @@ +------------------------------------------------------------------------------- +V&A VA18B multimeter cable, serial communication +------------------------------------------------------------------------------- + +This is a set of example captures of the serial (UART) communication and +its timings on a USB cable for the V&A VA18B digital multimeter. + +The UART parameters are 2400 baud, with 8n1 settings. + +Details: +TODO. + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic (at 16MHz): + + Probe USB cable PCB + ------------------------- + 1 (black) IR LED + 2 (brown) TX (PL2303HX) + 3 (red) RX (PL2303HX) + 4 (orange) USB DM + 5 (yellow) UBS DP + + +Data +---- + +The sigrok command line used was: + + sigrok-cli -d fx2lafw:samplerate=16mhz -p '1=IR LED,2=TX,3=RX,4=DM,5=DP' \ + -o v_and_a_va18b_cable_ir_serial_usb.sr --time 10s + diff --git a/uart/v_and_a_va18b_cable/v_and_a_va18b_cable_ir_serial_usb.sr b/uart/v_and_a_va18b_cable/v_and_a_va18b_cable_ir_serial_usb.sr new file mode 100644 index 0000000..c601e79 Binary files /dev/null and b/uart/v_and_a_va18b_cable/v_and_a_va18b_cable_ir_serial_usb.sr differ -- cgit v1.2.3-54-g00ecf