henryhallam

Words 6 through 10 from Subframe 4, Page 18 of five satellites shortly after 2016-07-19T19:00:00:00Z
See IS-GPS-200H pp. 83, 116-118, 124-125

GPS L1CA 19 SF4 P18 W6-10 = 3FFFFFAF 0000003F 0018DC9E 046241F1 04800010

6 LSB parity bits included (already checked), so right-shift each word
by 6 before extracting hex field values

Field  Hex       Decimal Scale
A1     FFFFFE    -2      *2^-30

henryhallam

henry@spx1:~/kitty/butfor/yocto/builds/test$ bitbake perl
WARNING: Host distribution "Debian-unstable" has not been validated with this version of the build system; you may possibly experience unexpected failures. It is recommended that you use a tested distribution.
Parsing recipes: 100% |################################################################################################################################################################################################################################################################################################################| Time: 00:00:44
Parsing of 889 .bb files complete (0 cached, 889 parsed). 1330 targets, 70 skipped, 0 masked, 0 errors.
NOTE: Resolving any missing task queue dependencies

Build Configuration:
BB_VERSION        = "1.31.0"
BUILD_SYS         = "x86_64-linux"
NATIVELSBSTRING   = "Debian-unstable"

henryhallam

henry@beast:~/yocto-test/build$ bitbake core-image-minimal
WARNING: Host distribution "Debian-unstable" has not been validated with this version of the build system; you may possibly experience unexpected failures. It is recommended that you use a tested distribution.
Loading cache: 100% |######################################################################################################################################| ETA:  00:00:00
Loaded 1330 entries from dependency cache.
NOTE: Resolving any missing task queue dependencies

Build Configuration:
BB_VERSION        = "1.28.0"
BUILD_SYS         = "x86_64-linux"
NATIVELSBSTRING   = "Debian-unstable"

henryhallam

Dove 1 0601
Dove 2 0405
Dove 3 0711
Dove 4 0712 never released from UniSat-5

Flock 1-1 073D
Flock 1-2 0740
Flock 1-3 074B
Flock 1-4 073C
Flock 1-5 072C

henryhallam

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/termios.h>
#include <sys/file.h>
#include <string.h>
#include <errno.h>

#include "../common/log.h"

henryhallam

#!/bin/bash

# Edit this script if a different PRN, signal level or velocity is desired.
# Run it.  You should see minicom open, then "Spirent Communications,GSS6100,1384,01.09".
# Power-cycle the GSS6100.  You should see some boot messages and finally two lines like
#  Info: check_autostart - MODE 2 script
#    'SVID 22 LEVL 16 VCTY 222 ARMS RUNS'
# Press CTRL-A X <enter> to leave minicom.

cat > /tmp/gssconfig <<EOF

henryhallam

# From the directory into which you originally cloned the libswiftnav-python repo:
 
henry@hank:~/swift/libswiftnav-python$ git remote add imh git@github.com:imh/libswiftnav-python.git
 
henry@hank:~/swift/libswiftnav-python$ git fetch imh new-bindings
From github.com:imh/libswiftnav-python
 * branch            new-bindings -> FETCH_HEAD
 
henry@hank:~/swift/libswiftnav-python$ git checkout new-bindings 
Branch new-bindings set up to track remote branch new-bindings from imh.

henryhallam

# From the directory into which you originally cloned the libswiftnav-python repo:

henry@hank:~/swift/libswiftnav-python$ git remote add imh git@github.com:imh/libswiftnav-python.git

henry@hank:~/swift/libswiftnav-python$ git fetch imh new-bindings
From github.com:imh/libswiftnav-python
 * branch            new-bindings -> FETCH_HEAD

henry@hank:~/swift/libswiftnav-python$ git checkout new-bindings 
Branch new-bindings set up to track remote branch new-bindings from imh.

henryhallam

TASK: [common_ubuntu | Install python Enthought dependencies] ***************** 
failed: [127.0.0.1] => {"changed": true, "cmd": ["pip", "install", "traits", "traitsui", "pyserial", "pylibftdi", "pyparsing==1.5.7", "pygments", "intelhex", "six", "construct", "sbp==0.27", "--allow-unverified", "PIL", "--allow-external", "intelhex", "--allow-unverified", "intelhex"], "delta": "0:00:08.792963", "end": "2015-03-17 18:24:04.899455", "rc": 1, "start": "2015-03-17 18:23:56.106492", "warnings": []}
stdout: Requirement already satisfied (use --upgrade to upgrade): traits in /usr/lib/python2.7/dist-packages
Requirement already satisfied (use --upgrade to upgrade): traitsui in /usr/lib/python2.7/dist-packages
Downloading/unpacking pyserial
  Running setup.py (path:/tmp/pip-build-zEZIXY/pyserial/setup.py) egg_info for package pyserial
    
Downloading/unpacking pylibftdi
  Downloading pylibftdi-0.14.2-py2.py3-none-any.whl
Downloading/unpacking pyparsing==1.5.7

henryhallam

-- register_interface.vhd
-- Bridge between FPGALink and 32-bit register file
-- Author: Henry Hallam / Planet Labs 2012
-- Released by author into public domain, you may use this for any purpose

-- Uses FPGALink channels 0...3
-- ch 0 = write address
-- ch 1 = write data
-- ch 2 = read address
-- ch 3 = read data