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rtl-sdr: Add start script file for rtl-tcp

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One of the most common uses of the rtl-sdr suite on OpenWrt is to stream
data to a remote analyzer. This commit creates a /etc/init.d/ and
/etc/config entry for rtl-tcp, so that it can automatically launch on
startup.

Signed-off-by: Mike Miller <github@mikeage.net>
This commit is contained in:
Mike Miller 2016-01-25 21:11:02 +02:00 committed by Vasilis Tsiligiannis
parent 4c8c8fc4cf
commit 754bd95bfa
3 changed files with 81 additions and 1 deletions
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6
utils/rtl-sdr/Makefile
View file

@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=rtl-sdr
PKG_VERSION:=0.5.3-20150608-$(PKG_SOURCE_VERSION)
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL:=git://git.osmocom.org/rtl-sdr.git
@ -81,6 +81,10 @@ endef
define Package/rtl-sdr/install
$(INSTALL_DIR) $(1)/usr/bin
$(CP) $(PKG_INSTALL_DIR)/usr/bin/rtl_* $(1)/usr/bin/
$(INSTALL_DIR) $(1)/etc/init.d
$(INSTALL_BIN) files/rtl_tcp.init $(1)/etc/init.d/rtl_tcp
$(INSTALL_DIR) $(1)/etc/config
$(INSTALL_CONF) files/rtl_tcp.config $(1)/etc/config/rtl_tcp
endef
define Package/librtlsdr/install

12
utils/rtl-sdr/files/rtl_tcp.config Normal file
View file

@ -0,0 +1,12 @@
config rtl_tcp main
option disabled '1'
option respawn '1'
option device_index ''
option address '0.0.0.0'
option port ''
option frequency ''
option gain ''
option samplerate ''
option buffers '8'
option num_linked_lists '8'
option ppm_error ''

64
utils/rtl-sdr/files/rtl_tcp.init Executable file
View file

@ -0,0 +1,64 @@
#!/bin/sh /etc/rc.common
# Copyright (C) 2016 OpenWrt.org
START=90
STOP=10
USE_PROCD=1
append_arg() {
local cfg="$1"
local var="$2"
local opt="$3"
local def="$4"
local val
config_get val "$cfg" "$var"
[ -n "$val" -o -n "$def" ] && procd_append_param command $opt "${val:-$def}"
}
append_bool() {
local cfg="$1"
local var="$2"
local opt="$3"
local def="$4"
local val
config_get_bool val "$cfg" "$var" "$def"
[ "$val" = 1 ] && procd_append_param command "$opt"
}
start_instance() {
local cfg="$1"
local aux
config_get_bool aux "$cfg" 'disabled' '0'
[ "$aux" = 1 ] && return 1
procd_open_instance
procd_set_param command /usr/bin/rtl_tcp
append_arg "$cfg" device_index "-d"
append_arg "$cfg" address "-a"
append_arg "$cfg" port "-p"
append_arg "$cfg" frequency "-f"
append_arg "$cfg" gain "-g"
append_arg "$cfg" samplerate "-s"
append_arg "$cfg" buffers "-b"
append_arg "$cfg" num_linked_lists "-n"
append_arg "$cfg" ppm_error "-P"
config_get_bool aux "$cfg" 'respawn' '0'
[ "$aux" = 1 ] && procd_set_param respawn
procd_close_instance
}
service_triggers() {
procd_add_reload_trigger "rtl_tcp"
}
start_service() {
config_load rtl_tcp
config_foreach start_instance rtl_tcp
}