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June 3, 2006
News - Problems with Intellectua…
about 7 years ago
A world that did not allow patent trolls like Myrvold to exist would be a better place. Patents don’t seem important or necessary until someone goes after you for patent infringement.
That said, it seems reasonable that someone who invents a novel product and actually takes it into production might be afforded some kind of protection. There should be a rational middle ground, but it’s not found in the current system.
about 8 years ago
Packet Type: 390 PMTK_API_SET_USER_OPTION
Write the user setting to the flash to override the default setting. Maximum 8 times without erase the chip.
PMTK390, Lock, Update_Rate, Baud_Rate, GLL_Period, RMC_Period, VTG_Period, GSA_Period, GSV_Period, GGA_Period, ZDA_Period, MCHN_Period, Datum, DGPS_Mode, RTCM_Baud_Rate
Lock: nonzero: freeze the setting; 0: allow further setting
Update_Rate: 1~5 (Hz)
Baud_Rate: 115200, 57600, 38400, 19200, 14400, 9600, 4800
RTCM_Baud_Rate: 115200, 57600, 38400, 19200, 14400, 9600, 4800
XXX_Period: NMEA sentence output period
DGPS_Mode: 0 (disable), 1 (RTCM), 2 (SBAS)
Datum: We support more than 200 datum. Please refer to Appendix A for the supported datum list. The typical value is: 0 (WGS84), 1 (Tokyo-M), 2 (Tokyo-A)
Jordi’s example on DIYdrones shows $PTMK220 and $PTMK251 commands that aren’t in the Etek document you referenced, though $PTMK314 is shown.
Is there a programmer reference or user manual that defines the $PMTK configuration strings for LS20031 ?
No public wish lists :(
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