diff options
Diffstat (limited to 'Documentation/video4linux/si470x.txt')
| -rw-r--r-- | Documentation/video4linux/si470x.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/video4linux/si470x.txt b/Documentation/video4linux/si470x.txt index 49679e6aaa76..3a7823e01b4d 100644 --- a/Documentation/video4linux/si470x.txt +++ b/Documentation/video4linux/si470x.txt | |||
| @@ -1,6 +1,6 @@ | |||
| 1 | Driver for USB radios for the Silicon Labs Si470x FM Radio Receivers | 1 | Driver for USB radios for the Silicon Labs Si470x FM Radio Receivers |
| 2 | 2 | ||
| 3 | Copyright (c) 2008 Tobias Lorenz <tobias.lorenz@gmx.net> | 3 | Copyright (c) 2009 Tobias Lorenz <tobias.lorenz@gmx.net> |
| 4 | 4 | ||
| 5 | 5 | ||
| 6 | Information from Silicon Labs | 6 | Information from Silicon Labs |
| @@ -41,7 +41,7 @@ chips are known to work: | |||
| 41 | - 10c4:818a: Silicon Labs USB FM Radio Reference Design | 41 | - 10c4:818a: Silicon Labs USB FM Radio Reference Design |
| 42 | - 06e1:a155: ADS/Tech FM Radio Receiver (formerly Instant FM Music) (RDX-155-EF) | 42 | - 06e1:a155: ADS/Tech FM Radio Receiver (formerly Instant FM Music) (RDX-155-EF) |
| 43 | - 1b80:d700: KWorld USB FM Radio SnapMusic Mobile 700 (FM700) | 43 | - 1b80:d700: KWorld USB FM Radio SnapMusic Mobile 700 (FM700) |
| 44 | - 10c5:819a: DealExtreme USB Radio | 44 | - 10c5:819a: Sanei Electric, Inc. FM USB Radio (sold as DealExtreme.com PCear) |
| 45 | 45 | ||
| 46 | 46 | ||
| 47 | Software | 47 | Software |
| @@ -52,6 +52,7 @@ Testing is usually done with most application under Debian/testing: | |||
| 52 | - gradio - GTK FM radio tuner | 52 | - gradio - GTK FM radio tuner |
| 53 | - kradio - Comfortable Radio Application for KDE | 53 | - kradio - Comfortable Radio Application for KDE |
| 54 | - radio - ncurses-based radio application | 54 | - radio - ncurses-based radio application |
| 55 | - mplayer - The Ultimate Movie Player For Linux | ||
| 55 | 56 | ||
| 56 | There is also a library libv4l, which can be used. It's going to have a function | 57 | There is also a library libv4l, which can be used. It's going to have a function |
| 57 | for frequency seeking, either by using hardware functionality as in radio-si470x | 58 | for frequency seeking, either by using hardware functionality as in radio-si470x |
| @@ -69,7 +70,7 @@ Audio Listing | |||
| 69 | USB Audio is provided by the ALSA snd_usb_audio module. It is recommended to | 70 | USB Audio is provided by the ALSA snd_usb_audio module. It is recommended to |
| 70 | also select SND_USB_AUDIO, as this is required to get sound from the radio. For | 71 | also select SND_USB_AUDIO, as this is required to get sound from the radio. For |
| 71 | listing you have to redirect the sound, for example using one of the following | 72 | listing you have to redirect the sound, for example using one of the following |
| 72 | commands. | 73 | commands. Please adjust the audio devices to your needs (/dev/dsp* and hw:x,x). |
| 73 | 74 | ||
| 74 | If you just want to test audio (very poor quality): | 75 | If you just want to test audio (very poor quality): |
| 75 | cat /dev/dsp1 > /dev/dsp | 76 | cat /dev/dsp1 > /dev/dsp |
| @@ -80,6 +81,10 @@ sox -2 --endian little -r 96000 -t oss /dev/dsp1 -t oss /dev/dsp | |||
| 80 | If you use arts try: | 81 | If you use arts try: |
| 81 | arecord -D hw:1,0 -r96000 -c2 -f S16_LE | artsdsp aplay -B - | 82 | arecord -D hw:1,0 -r96000 -c2 -f S16_LE | artsdsp aplay -B - |
| 82 | 83 | ||
| 84 | If you use mplayer try: | ||
| 85 | mplayer -radio adevice=hw=1.0:arate=96000 \ | ||
| 86 | -rawaudio rate=96000 \ | ||
| 87 | radio://<frequency>/capture | ||
| 83 | 88 | ||
| 84 | Module Parameters | 89 | Module Parameters |
| 85 | ================= | 90 | ================= |