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Author SHA1 Message Date
Peter
d41704a48e Update hackrf_transfer.c 2016-01-13 22:24:18 +08:00
Peter
fed60c571c Update hackrf_transfer.c 
Intro:
Some of the Hackrf board use a bad performance crystal, it will cause some program can't work---such as GNSS(GPS) simulation.  Most GPS receiver can capture the satellite
when the doppler within 10KHz, but 10ppm bias of the crystal will cause  15Khz doppler.  And my hackrf board uses a 16ppm crystal :(  normal
Of course, I can replace the crystal or use a external clock. But for most people, add a ppm correct function to hackrf_transfer is useful.
How to use:
1, measure your crystal's error
You can use a precision  counter to measure it.
Connect the hackrf's "clock out" to the counter, get the frequency Fh, then ,
ppm = (Fh - 10000000)/10 
 
You can use a standard clock source such as OCXO, TCXO, or Atom Clock, and a counter
to measure the crystal error too.

2, add an argument "-C ppm " when you use hackrf_transfer.

Eg. , your  crystal error is -8ppm ( In other words , your clock is slower than the standard clock), then you should add "-C -8" follow the hackrf_transfer command.

Hope you can understand my poor English:)

--------------------------
Thanks to Michael Ossmann;
Thanks to Jared Boone ;
Thanks to Benjamin Vernoux ;
Thanks to GPL.
 2016-01-13 22:12:42 +08:00
Tobias Schneider
bdb762f023 feat(max2871): Implement mixer_enable and mixer_disable 2015-12-26 16:19:58 +01:00
Tobias Schneider
98af0a9340 fix(hackrf-usb): Remove unneeded rad1o patch, not reading the serial number 2015-12-21 01:22:01 +01:00
Dominic Spill
87f59de104 Merge "abstract buses" changes with "fix SPI flash read" 2015-12-20 15:28:29 +00:00
Dominic Spill
b985d9c899 Merge branch 'abstract_buses' of https://github.com/jboone/hackrf into jboone-abstract_buses 2015-12-18 12:24:43 +00:00
Dominic Spill
90bc36c9da Support both commonly available versions of dfu-util (0.7/0.8) 2015-12-17 19:09:29 +00:00
Tobias Schneider
d7c162902c fix(hackrf-ui): Make the calls weak 2015-12-09 22:26:16 +01:00
Tobias Schneider
c6e7490397 Merge remote-tracking branch 'mossmann/master' into rad1o 
Conflicts:
	host/misc/udev/53-hackrf.rules.in
	host/python/max2837_dump.py
	host/python/set_transceiver_mode.py
 2015-12-07 21:05:39 +01:00
Dominic Spill
fa6f29d742 Merge pull request #222 from skoslowski/c90_warning 
Comment style fixup to prevent warning in c90 complier mode
 2015-12-07 15:11:10 +07:00
Dominic Spill
c28ec603d1 Merge pull request #212 from pcfe/rad1o-USB-idProduct 
rad1o USB idProduct cleanups
 2015-12-07 14:42:37 +07:00
Tobias Schneider
86b424d9d3 feat(hackrf): Callbacks for a possible UI 2015-12-07 00:29:33 +01:00
Tobias Schneider
9e827b56be hack(rad1o): Lower noise configuration 2015-12-05 23:46:59 +01:00
Tobias Schneider
4ba474807f Merge remote-tracking branch 'upstream/rad1o' into rad1o 2015-11-30 00:24:20 +01:00
Tobias Schneider
9a45248829 fix(max2871.c): Switch to a 50 MHz PFD for better performance 2015-11-30 00:23:55 +01:00
Tobias Schneider
84d800eaeb fix(hackrf-core): Disable unused clock outputs 
They generate noise and are most likely not used
 2015-11-14 21:35:39 +01:00
Sebastian Koslowski
e480a28c0a Comment style fixup to prevent warning in c90 complier mode 2015-10-27 20:16:43 +01:00
schneider42
a15a4d6592 Merge pull request #10 from neeels/rad1o 
host/misc/udev: fix CC15 to cc15 in udev rule.
 2015-10-04 23:09:25 +02:00
Neels Hofmeyr
19d03d62ae host/misc/udev: fix CC15 to cc15 in udev rule. 
Capital letters don't work (tested on debian linux).
 2015-10-04 21:41:45 +02:00
Dominic Spill
a062596819 Default SPI flash read length to size of SPI flash 
Fixes #214
 2015-09-09 12:08:28 +01:00
Dominic Spill
f83fc14951 Merge pull request #215 from jboone/spiflash_read_fix 
hackrf_spiflash read fix
 2015-09-09 11:38:55 +01:00
Jared Boone
2022cc6351 Only perform W25Q80BV setup once, at startup. 
hackrf_usb firmware does not run from SPI flash once the ROM bootloader is done. Simplify assumptions by initializing SPI flash once, early. Do not initialize it every 256 bytes that are read from or written to the device.
 2015-08-28 13:03:40 -07:00
Jared Boone
a4e447cb9e Use W25Q80BV read function to retrieve SPI flash contents. 2015-08-28 12:50:07 -07:00
Jared Boone
7c98d3e14b Add W25Q80BV function to fast-read from device. 2015-08-28 12:48:05 -07:00
Patrick C. F. Ernzer
f5a3692a66 rad1o USB idProduct cleanups 
- udev rule should be lowercase (https://github.com/rad1o/f1rmware/pull/29)
- add entries for rad1o storage from https://github.com/rad1o/f1rmware/blob/master/smartflash/90-rad1o-flash.rules
- Rad1o -> rad1o
- hackrf.h was NOT adjusted to lowercase cc15
 2015-08-25 12:13:47 +02:00
Jared Boone
83d79be584 Push rf_path_set_direction() calls into test functions. 
The tx_test() is now put into TX mode.
 2015-08-24 10:20:57 -07:00
Jared Boone
f128a15117 Reduce mag^2 threshold a bit. 2015-08-17 11:15:58 -07:00
Jared Boone
149cd4effc Configure SGPIO slice mode early. 2015-08-17 11:15:40 -07:00
Jared Boone
69db61c5c1 Remove extra SGPIO API calls. 
Functions are now performed in rf_path_set_direction().
 2015-08-17 11:14:55 -07:00
Jared Boone
adbc5a6f26 Fix calculation of mag^2. 2015-08-17 11:14:14 -07:00
Jared Boone
f2c0531bc2 Change frequency to center of 2.4GHz ISM. 2015-08-17 11:12:52 -07:00
Jared Boone
6f9e7fdab8 Adapt code to signed samples. 
Necessary due to change in CPLD to produce signed samples.
 2015-08-15 10:03:12 -07:00
Tobias Schneider
e612dfd8bf fix(usb): Use new USB PID: 0xCC15 2015-08-11 11:19:58 +02:00
Tobias Schneider
dfbbbfb956 Merge remote-tracking branch 'upstream/rad1o' into rad1o 2015-08-11 11:08:08 +02:00
Tobias Schneider
5ce0cc853b hack(tuning): Fix IF to 2.35 GHz 2015-08-11 11:03:37 +02:00
Stefan `Sec` Zehl
a5d234ded7 do not build host-tools by default anymore 2015-08-11 00:26:41 +02:00
Stefan `Sec` Zehl
6afe674de5 No longer copy the bin around 2015-08-11 00:10:17 +02:00
Stefan `Sec` Zehl
b9f702da8f Simple "build all" toplevel Makefile 2015-07-30 01:32:26 +02:00
Stefan `Sec` Zehl
abab6b154a Deal with the bigger flash we have on rad1o 2015-07-30 00:06:55 +02:00
Stefan `Sec` Zehl
62799d4158 HACK: wait until si5351 is powered up 2015-07-28 02:51:52 +02:00
Tobias Schneider
60b3ef3112 fix(sgpio): Fix rad1o HW bug which inverts RX Q 
As it is only inverted in the RX path (in respect to the HackRF) we need
to distinguish between RX/TX and inverted and not inverted.
 2015-07-27 11:30:52 +02:00
Tobias Schneider
dfa12fe169 fix(hackrf-core): Give rad1o its own clock configuration section 
The old one was broken for the HackRF by
14e23f7f83fed366ddf0d25da92e43118cdbf87c
 2015-07-27 09:38:58 +02:00
Tobias Schneider
9f142e3356 fix(hackrf-core): Add LED4 for rad1o 2015-07-27 09:28:56 +02:00
Tobias Schneider
1f38354416 fix(hackrf-core): Disable unused clock outputs 
They generate noise and are most likely not used
 2015-07-27 09:25:18 +02:00
Tobias Schneider
5bd5085cf1 fix(hackrf-core): Disable unused clock source to the MCU 
It is not used and creates noise.
 2015-07-27 09:22:18 +02:00
Tobias Schneider
cbf2185edc fix(rf-path): Remove misplaced RX/TX switching 
The LNA bypass sections were configuring the RX/TX path again. That was
redundant and prevented RX without the LNA.
 2015-07-27 09:16:38 +02:00
Dominic Spill
90e1653613 Update build instructions to include pkg-config 2015-07-25 09:45:50 +01:00
Dominic Spill
499c8bc09e Update build instructions to include pkg-config 2015-07-25 09:42:47 +01:00
Michael Ossmann
dd6c8ae045 Merge pull request #202 from dominicgs/cmake-fix 
Move udev rule to libhackrf/
 2015-07-24 09:54:23 -06:00
Dominic Spill
059c1cc2a7 Move udev rule to libhackrf/ 2015-07-24 16:50:43 +01:00