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Response: Ok, if <Switch> string is valid.
Invalid, if <Switch> string is not valid.
Purpose: "gps sleep" only let Sony GPS chip enter sleep mode, MCU (STM32L073) inside S76G/S78G
would still be active.
Example:
gps set_mode idle
>> Ok
gps sleep on 0
>> Ok
gps sleep off
>> Ok
3.3.10 gps get_ttff
Purpose: To show the TTFF (Time To First Fix) value of the last GPS positioning. And this value would
be reset as "0.0s" when S76G/S78G boots up, reset by "sip reset" or enter GPS Idle mode by setting
"gps set_mode idle".
Example:
gps get_ttff
>> 5.6s
(More demonstration examples, please refer to chapter 4.4)
3.3.11 gps reset
Purpose: To reset GPS simply, it would trigger a SONY CXD5603 reset signal by generating a negative
pulse at PB_2 (GPS_RST_X pin) and MCU (STM32L073) would not reset. The negative pulse width for
using on SONY CXD5603 Reset is 200ms, and SONY CXD5603 would be reset and then enter idle
mode.
S76G/S78G Commands Set Reference
Product Name
Version
v1.6.5
Doc No
Date
July 2, 2018
Page
58 of 73
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