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GSD4t » History » Revision 4

Revision 3 (Denis 'GNUtoo' Carikli, 08/19/2012 07:44 AM) → Revision 4/13 (Denis 'GNUtoo' Carikli, 08/19/2012 07:45 AM)

h1. GSD4t 

 h2. Introduction 

 According to "ifixit":http://www.ifixit.com/Teardown/Samsung-Galaxy-Nexus-Teardown/7182/2 the Galaxy Nexus's GPS is a "GSD4t":http://www.csr.com/products/25/sirfstariv-gsd4t 

 h2. Information gathered so far. 

 * The GPS is connected to /dev/ttyO0 
 * the init sequence require the following special serial settings: 
 ** 460800 Bps 
 ** The following is also required: 
 <pre>termios.c_cflag = 0x800018b2;</pre> 

 * After the init sequence the GPS is at 115200 8N1 and is useing the SIRF protocol