Spatial FOG Reference Manual
Page 89 of 144
Version 2.3
03/05/2018
12.4.9
Topcon GNSS Input
This function is designed for interfacing Spatial FOG with a Topcon GNSS receiver. It
accepts data in the GRIL TPS binary format and expects messages PG and VG at rates
higher than 1 Hz.
12.4.10
ANPP Input
This function accepts data in the ANPP format as specified in section 13. All External
Data packets are accepted as input as well as the RTCM diferential corrections packet.
12.4.11
ANPP Output
This function outputs data in the ANPP format as specified in section 13. Packets can
not be requested using this function, it is for ANPP peripheral devices only.
12.4.12
Disable GNSS
This function accepts a digital input with a low state enabling the GNSS and a high
state disabling the GNSS.
12.4.13
Disable Pressure
This function accepts a digital input with a low state enabling the atmospheric
pressure sensor and a high state disabling the atmospheric pressure sensor.
12.4.14
Set Zero Orientation Alignment
This function accepts a digital input. The input is normally low and a transition from
low to high causes Spatial FOG to set it's alignment so that the current orientation is
zero. Due to the risk of exhausting the fash cycles, the change is not permanent and
will disappear on reset. To make it permanent the Installation Alignment Packet must
be read and then sent back to Spatial FOG with the permanent fag set. This function
requires de-bouncing if attached to a switch.
12.4.15
System State Packet Trigger
This function accepts a digital input. The input is normally low and a transition from
low to high causes Spatial FOG to send the system state packet. This function requires
de-bouncing if attached to a switch.
12.4.16
Raw Sensors Packet Trigger
This function accepts a digital input. The input is normally low and a transition from
low to high causes Spatial FOG to send the raw sensors packet. This function requires
de-bouncing if attached to a switch.
12.4.17
RTCM Diferential GNSS Corrections Input
This function accepts RTCM diferential GPS corrections. This allows for Diferential
GNSS or RTK with Spatial FOG's internal GNSS receiver.
Содержание Spatial FOG Dual
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