From 1441a9efe07257207243b23015d12b223e26497a Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Sun, 25 Aug 2013 23:41:20 -0700 Subject: mtk3339: add GPS module dumps NMEA data output from mtk3339 module UART. Signed-off-by: Matt Ranostay --- uart/gps/mtk3339/README | 32 ++++++++++++++++++++++++++++++++ uart/gps/mtk3339/mtk3339_8n1_9600.sr | Bin 0 -> 5442 bytes 2 files changed, 32 insertions(+) create mode 100644 uart/gps/mtk3339/README create mode 100644 uart/gps/mtk3339/mtk3339_8n1_9600.sr (limited to 'uart') diff --git a/uart/gps/mtk3339/README b/uart/gps/mtk3339/README new file mode 100644 index 0000000..e0449bb --- /dev/null +++ b/uart/gps/mtk3339/README @@ -0,0 +1,32 @@ +------------------------------------------------------------------------------- +MTK3339 GPS NMEA UART output +------------------------------------------------------------------------------- + +This is a dump of NMEA data from MTK3339 GPS Adafruit Breakout's UART output. + +For details see: +http://www.adafruit.com/products/746 +http://www.adafruit.com/datasheets/GlobalTop-FGPMMOPA6H-Datasheet-V0A.pdf + + +Logic analyzer setup +-------------------- + +The logic anlyzer used was a Open Logic Sniffer at a sample rate of 200KHz for +using a baud rate of 9600 8N1. + + Probe UART + ---------------- + 0 TX + + +Data +---- + +The sigrok command line used was: + + sigrok-cli --driver=ols:conn=/dev/ttyACM0 --config rle=1:samplerate= \ + --samples=1000000 -p '0=TX' --triggers 'TX=0' -o .sr + Device only sent 845282 samples. + +We capture as many samples as the RLE mode can handle. diff --git a/uart/gps/mtk3339/mtk3339_8n1_9600.sr b/uart/gps/mtk3339/mtk3339_8n1_9600.sr new file mode 100644 index 0000000..9cae9df Binary files /dev/null and b/uart/gps/mtk3339/mtk3339_8n1_9600.sr differ -- cgit v1.2.3-54-g00ecf