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Diffstat (limited to 'pwm/lidarlite/README')
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diff --git a/pwm/lidarlite/README b/pwm/lidarlite/README new file mode 100644 index 0000000..3ba58e7 --- /dev/null +++ b/pwm/lidarlite/README @@ -0,0 +1,41 @@ +------------------------------------------------------------------------------- +PulsedLight3D LIDARlite module +------------------------------------------------------------------------------- + +This is the capture of data output from a LIDARlite module with various short +range distances. + +Each 10 uS the PWM/MODESEL line is high equals one centimeter, and continuous +trigger is enabled via keeping the line strongly low. For long distances the +rate can be limited due to the longer time to PWM the distance than processing +time for the next sample. + +Details: + - Sparkfun product page: + * https://www.sparkfun.com/products/13167 + - LIDARlite product spec + developer docs: + * http://kb.pulsedlight3d.com/support/home + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic16 (at 5MHz): + + Probe LIDARlite + --------------------- + 1 (black) Mode select pin + +Note: The 'Mode select' pin is pulled low strongly with 1K ohm resistor +to trigger continuous sampling). + + +Data +---- + +The data contains various PWM encoded distances. + +The sigrok command line used was: + + sigrok-cli --driver saleae-logic16 --samples 100M --config samplerate=5mhz \ + -C 0=PWM -o lidarlite_5mhz.sr |