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Diffstat (limited to 'uart/gps/mtk3339/README')
-rw-r--r-- | uart/gps/mtk3339/README | 32 |
1 files changed, 32 insertions, 0 deletions
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=<hz> \ + --samples=1000000 -p '0=TX' --triggers 'TX=0' -o <file>.sr + Device only sent 845282 samples. + +We capture as many samples as the RLE mode can handle. |