Bluetooth GPS + USB adapter + Propeller?

Luis Digital

Hello all,

Would it be possible to use a Bluetooth GPS with the Propeller?

Take a GPS serial connection might be another solution, but may vary from one apparatus, not even be available.

The GPS in question could be like this:
www.centrodepot.com/tomtom-navigator-6-gpscd/10A41A1550A.htm

Has anyone disassembled one of these?

Luis Digital

I found this image and make my mouth water.

Note the letters:
3.3V
UART_TX/RX etc.



Link: http://www.evilgenius.de/2007/06/11/de-bricking-your-bluetooth-dongle/

Luis Digital

USB Bluetooth + Propeller:
Embedded Bluetooth for $2 (Work in progress).

Luis Digital

After much research I came to the same place:
Propeller Bluetooth Stack Demo

As for the GPS, there are many new $25 and some at $12 (Microsoft/pharos).
Highlight Holux brand as they have Bluetooth, battery and serial output. They are also nice and small.

TomTom MK-II Bluetooth

Bluetooth and battery.
Captures well and fast GPS signal. (10/10)
Inside I found some interesting points, but could not find a serial port.

Holux GPSlim240 Bluetooth
Captures well and fast GPS signal. (10/10)
Cute and small.
Bluetooth, battery and serial port.

GlobalSat BT-359 Bluetooth
I have not tried, has a good price.

Microsoft/Pharos GPS
Almost free, not very sensitive, does not include maps for my country.
Without battery or bluetooth.
Serial port, includes a USB-Serial converter (PL-2313 Chip). (9/10)
3 - 5 volts.

Holux GPSlim GR-236
I have no one to test, but must be equal to GPSlim240. Bigger and ugly, but easy to change the battery.

All use the SiRFStarIII chip.

John Minton

I don't know if this is much of a help, by I just got with a project that takes serialized data from a GPS and looks for a specific string and some numbers. The first part of the code might help you get started...

CON
_clkmode = xtal1 + pll16x ' Feedback and PLL multiplier
_xinfreq = 5_000_000 ' External oscillator = 5 MHz

VAR
byte serdat, var1, var2, var3, var4, var5, var6, var7

OBJ
debug:"Parallax Serial Terminal" 'Make sure to open this file up before you compile!

PUB main
!dira[noparse][[/noparse]0] ' set pin 0 to output

debug.startrxtx (31,30,0, 4800) 'start serial communication pin 31 is rx (input) and pin 30 is tx (output)

serdat := debug.charin 'waiting to grab first byte of serdat, from GPS unit
debug.char(serdat) '

'debug.charin grabs the next ascii / binary char and saves it in serdat
' So now you can do what ever you want with that single byte
'Place it in a loop and print all the text that comes in from GPS to tv.out or something to see all text on screen!



Good luck with your project!