Waiting for your response.
Warm Regrads,
Shiv Gautam | Manager Communication Systems
--------------------------------------------------------------------------
--------------------------
The Tata Power Company Limited Strategic Engineering Division (Tata Power
SED)
42 - 43 Electronics City Hosur Road Bengaluru 560 100 India
Tel: +91 80 6785 4501 | Fax: +91 80 6785 9901 | Mobile: +91 74110 01394
Website: www.TataPowerSED.in <http://www.tatapowersed.in/>
From: Shiv Shankar Gautam [mailto:ssgautam@tatapowersed.com]
Sent: 21 November 2017 10:01
To: 'osmocom-sdr(a)lists.osmocom.org'
Subject: SDR board design for hand Held tactical SDR
We are looking for SCA compliance SDR hardware design. Please send us the
design
Warm Regrads,
Shiv Gautam | Manager Communication Systems
--------------------------------------------------------------------------
--------------------------
The Tata Power Company Limited Strategic Engineering Division (Tata Power
SED)
42 - 43 Electronics City Hosur Road Bengaluru 560 100 India
Tel: +91 80 6785 4501 | Fax: +91 80 6785 9901 | Mobile: +91 74110 01394
Website: www.TataPowerSED.in <http://www.tatapowersed.in/>
*Disclaimer*
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Hello
Under gnuradio platform, when I send a pure sinusoid using gr-osmocom, what
is the modulation format that osmocom uses? Thank you very much.
Regards
Shuai
We are looking for SCA compliance SDR hardware design. Please send us the
design
Warm Regrads,
Shiv Gautam | Manager Communication Systems
--------------------------------------------------------------------------
--------------------------
The Tata Power Company Limited Strategic Engineering Division (Tata Power
SED)
42 - 43 Electronics City Hosur Road Bengaluru 560 100 India
Tel: +91 80 6785 4501 | Fax: +91 80 6785 9901 | Mobile: +91 74110 01394
Website: <http://www.tatapowersed.in/> www.TataPowerSED.in
*Disclaimer*
------------------------------------------------------------
Notice: This e-mail and / or attachments (communication) may contain information that is confidential and proprietary to The Tata Power Company Limited, Strategic Engineering Division (Tata Power SED). If you are not the intended recipient of this communication, please do not use or disseminate the information contained therein, notify the sender by e-mail or telephone and delete the communication (permanently) from your system.
Any information in this communication that does not relate to the official business of Tata Power SED shall be understood as neither given nor endorsed by it. Please note that e-mails are susceptible to change and Tata Power SED shall not be liable for the improper or incomplete transmission of the information contained in this communication nor for any delay in its receipt. This communication is not guaranteed to be free from computer viruses and it is recommended that you check for all viruses before download.
Print this communication only if absolutely essential. Thank you for your co-operation.
------------------------------------------------------------
Hello
I am installing a satgate on the raspberry pi with an rtl dongle
I use the rtl_fm from the sources and I get an error about bias tee
I have had to use another source
Here is my install script
#!/bin/sh
clear
echo "VK4TEC SATGATE install"
echo " "
#sudo apt-get update
#sudo apt-get install cmake build-essential libusb-1.0-0-dev
git clone https://github.com/niofis/rtl-sdr.git
cd rtl-sdr/
mkdir build
cd build
cmake ../
make
sudo make install
sudo ldconfig
git clone https://www.github.com/wb2osz/direwolf
cd ~/direwolf
make
sudo make install
make install-rpi
make install-conf
cd ~
sudo mv sdr.old sdr.confcd ~
sudo cp sdr.conf sdr.old
cd ~
sudo apt-get uninstall rtl-sdr
sudo apt-get install rtl-sdr
sudo apt-get install librtlsdr-dev
/usr/bin/rtl_fm -f 145.825M - | direwolf -t 0 -dii -c sdr.conf -r 24000 -D 1
-
Andrew Rich Nov 2017
The commit ba64a745 fixed rtlsdr_set_gpio_output() but also caused librtlsdr
to stop working with (at least some) dongles with the FC0012 tuner. It seems
that the FC0012 is connected to GPIO 4 while rtlsdr_open() assumes it's
connected to GPIO 5. Before ba64a745 the bug in rtlsdr_set_gpio_output()
caused GPIOs 3 and 4 to be set low and so everything worked.
This changes the GPIO used in rtlsdr_open() from 5 to 4. At least on my
dongle this fixes the regression.
---
src/librtlsdr.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/librtlsdr.c b/src/librtlsdr.c
index b369a5d..4fb2128 100644
--- a/src/librtlsdr.c
+++ b/src/librtlsdr.c
@@ -1565,11 +1565,11 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index)
}
/* initialise GPIOs */
- rtlsdr_set_gpio_output(dev, 5);
+ rtlsdr_set_gpio_output(dev, 4);
/* reset tuner before probing */
- rtlsdr_set_gpio_bit(dev, 5, 1);
- rtlsdr_set_gpio_bit(dev, 5, 0);
+ rtlsdr_set_gpio_bit(dev, 4, 1);
+ rtlsdr_set_gpio_bit(dev, 4, 0);
reg = rtlsdr_i2c_read_reg(dev, FC2580_I2C_ADDR, FC2580_CHECK_ADDR);
if ((reg & 0x7f) == FC2580_CHECK_VAL) {
--
2.14.2
