diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/sysmobts-calib/sysmobts-calib.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/sysmobts-calib/sysmobts-calib.c b/contrib/sysmobts-calib/sysmobts-calib.c index 053032d5..a111d1d5 100644 --- a/contrib/sysmobts-calib/sysmobts-calib.c +++ b/contrib/sysmobts-calib/sysmobts-calib.c @@ -318,6 +318,16 @@ static int calib_get_clock_error(void) return -1; } + /* + * Empiric gps error determination. With revE and firmware v3.3 + * the clock error for TCXO to GPS appears to have a different + * sign. The device in question doesn't have a networklisten mode + * so it is impossible to verify that this only applies to GPS. + */ + if (source == SuperFemto_ClkSrcId_GpsPps) + clkErr *= -1; + + /* this is an absolute clock error */ printf("The calibration value is: %d\n", clkErr); return 0; |