No audio output, think all else working but no sound

Discussion about my Wifi Radio project at http://mightyohm.com/wifiradio/ or my WL-520gU talk at NOTACON.
cgchris99
Posts: 13
Joined: Tue Apr 11, 2017 7:53 am

No audio output, think all else working but no sound

Postby cgchris99 » Tue Apr 18, 2017 5:23 pm

Ok, I think I have everything working but get no audio output.
Here is my dmesg

Code: Select all

CPU revision is: 00029029
Primary instruction cache 16kB, physically tagged, 4-way, linesize 16 bytes.
Primary data cache 16kB, 2-way, linesize 16 bytes.
Linux version 2.4.35.4 (jkeyzer@wavelen) (gcc version 3.4.6 (OpenWrt-2.0)) #3 Mon Dec 1 17:35:57 PST 2008
Setting the PFC to its default value
Determined physical RAM map:
 memory: 01000000 @ 00000000 (usable)
On node 0 totalpages: 4096
zone(0): 4096 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/mtdblock2 rootfstype=squashfs,jffs2 init=/etc/preinit noinitrd console=ttyS0,115200
CPU: BCM5354 rev 3 at 240 MHz
Using 120.000 MHz high precision timer.
Calibrating delay loop... 237.56 BogoMIPS
Memory: 14272k/16384k available (1419k kernel code, 2112k reserved, 96k data, 84k init, 0k highmem)
Dentry cache hash table entries: 2048 (order: 2, 16384 bytes)
Inode cache hash table entries: 1024 (order: 1, 8192 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 4096 (order: 2, 16384 bytes)
Checking for 'wait' instruction...  unavailable.
POSIX conformance testing by UNIFIX
PCI: no core
PCI: Fixing up bus 0
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
Registering mini_fo version $Id$
devfs: v1.12c (20020818) Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
JFFS2 version 2.1. (C) 2001 Red Hat, Inc., designed by Axis Communications AB.
squashfs: version 3.0 (2006/03/15) Phillip Lougher
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled
ttyS00 at 0xb8000300 (irq = 3) is a 16550A
ttyS01 at 0xb8000400 (irq = 3) is a 16550A
b44.c:v0.93 (Mar, 2004)
PCI: Setting latency timer of device 00:01.0 to 64
eth0: Broadcom 47xx 10/100BaseT Ethernet 00:22:15:12:37:07
Physically mapped flash: Found an alias at 0x400000 for the chip at 0x0
Physically mapped flash: Found an alias at 0x800000 for the chip at 0x0
Physically mapped flash: Found an alias at 0xc00000 for the chip at 0x0
Physically mapped flash: Found an alias at 0x1000000 for the chip at 0x0
Physically mapped flash: Found an alias at 0x1400000 for the chip at 0x0
Physically mapped flash: Found an alias at 0x1800000 for the chip at 0x0
Physically mapped flash: Found an alias at 0x1c00000 for the chip at 0x0
 Amd/Fujitsu Extended Query Table v1.1 at 0x0040
number of CFI chips: 1
cfi_cmdset_0002: Disabling fast programming due to code brokenness.
Flash device: 0x400000 at 0x1c000000
bootloader size: 131072
Physically mapped flash: Filesystem type: squashfs, size=0x13e028
Creating 5 MTD partitions on "Physically mapped flash":
0x00000000-0x00020000 : "cfe"
0x00020000-0x003f0000 : "linux"
0x0009a800-0x001e0000 : "rootfs"
mtd: partition "rootfs" doesn't start on an erase block boundary -- force read-only
0x003f0000-0x00400000 : "nvram"
0x001e0000-0x003f0000 : "rootfs_data"
Initializing Cryptographic API
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 1024 bind 2048)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NET4: Ethernet Bridge 008 for NET4.0
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
VFS: Mounted root (squashfs filesystem) readonly.
Mounted devfs on /dev
Freeing unused kernel memory: 84k freed
Algorithmics/MIPS FPU Emulator v1.5
diag: Detected 'ASUS WL-520gU'
b44: eth0: Link is up at 100 Mbps, full duplex.
b44: eth0: Flow control is off for TX and off for RX.
roboswitch: Probing device eth0: found!
mini_fo: using base directory: /
mini_fo: using storage directory: /jffs
jffs2.bbc: SIZE compression mode activated.
b44: eth0: Link is up at 100 Mbps, full duplex.
b44: eth0: Flow control is off for TX and off for RX.
BFL_ENETADM not set in boardflags. Use force=1 to ignore.
device eth0.0 entered promiscuous mode
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
eth0.0: dev_set_promiscuity(master, 1)
device eth0 entered promiscuous mode
br-lan: port 1(eth0.0) entering learning state
br-lan: port 1(eth0.0) entering forwarding state
br-lan: topology change detected, propagating
eth0.1: add 01:00:5e:00:00:01 mcast address to master interface
PCI: Setting latency timer of device 00:05.0 to 64
PCI/DMA
wl0: wlc_attach: chiprev 3 coreunit 0 corerev 13 cccap 0x104007ea maccap 0x30482205 band 2.4G, phy_type 5 phy_rev 0 ana_rev 6
wl0: Broadcom BCM4318 802.11 Wireless Controller 4.150.10.5
CSLIP: code copyright 1989 Regents of the University of California
PPP generic driver version 2.4.2
ip_tables: (C) 2000-2002 Netfilter core team
ip_conntrack version 2.1 (5953 buckets, 5953 max) - 344 bytes per conntrack
SB USB20H init
SB COREREV: 2
SB USB20H resetting
USB20H fcr: 0x64
USB20H shim cr: 0x8f7
PCI: Setting latency timer of device 00:03.0 to 64
usb-ohci.c: USB OHCI at membase 0xb8003000, IRQ 6
usb-ohci.c: usb-00:03.0, PCI device 14e4:471a
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
usb.c: registered new driver audio
audio.c: v1.0.0:USB Audio Class driver
hub.c: new USB device 00:03.0-1, assigned address 2
usbaudio: device 2 audiocontrol interface 0 has 1 input and 1 output AudioStreaming interfaces
usbaudio: device 2 interface 2 altsetting 1 channels 1 framesize 2 configured
usbaudio: valid input sample rate 48000
usbaudio: valid input sample rate 44100
usbaudio: device 2 interface 2 altsetting 1: format 0x00000010 sratelo 44100 sratehi 48000 attributes 0x01
usbaudio: device 2 interface 1 altsetting 0 does not have an endpoint
usbaudio: device 2 interface 1 altsetting 1 channels 2 framesize 2 configured
usbaudio: valid output sample rate 48000
usbaudio: valid output sample rate 44100
usbaudio: device 2 interface 1 altsetting 1: format 0x01000010 sratelo 44100 sratehi 48000 attributes 0x01
usbaudio: registered dsp 14,3
usbaudio: constructing mixer for Terminal 6 type 0x0301
usbaudio: warning: found 1 of 2 logical channels.
usbaudio: assuming that a stereo channel connected directly to a mixer is missing in search (got Labtec headset?). Should be fine.
usbaudio: registered mixer 14,0
usbaudio: constructing mixer for Terminal 7 type 0x0101
usbaudio: registered mixer 14,16
usb_audio_parsecontrol: usb_audio_state at 80a35500
root@OpenWrt:/#


mpd shows

Code: Select all

unable to bind port 6600: Address already in use
maybe MPD is still running?


mpc shows (even though I think that address listed doesn't work)

Code: Select all

http://www.953thebull.com/Listen.aspx
[playing] #2/3   0:00/0:00 (100%)
volume:100%   repeat: on    random: off


Here is the usb sound card I purchased from amazon
https://www.amazon.com/gp/product/B01KM ... UTF8&psc=1

ario connects to the ASUS WL-520GU. I've selected various internet radio channels but no sound

Here is the part I uncommented form /etc/mpd.confg

Code: Select all

# An example of an OSS output:
#
audio_output {
        type                    "oss"
        name                    "My OSS Device"
        device                  "/dev/sound/dsp"   # optional
        format                  "44100:16:2" # optional
}
#

cgchris99
Posts: 13
Joined: Tue Apr 11, 2017 7:53 am

Re: No audio output, think all else working but no sound

Postby cgchris99 » Tue Apr 18, 2017 5:39 pm

I rechecked that the correct directories were created and then did a reboot and it started playing once I found a valid stream.

User avatar
mightyohm
Site Admin
Posts: 952
Joined: Fri Apr 03, 2009 10:29 pm
Location: Seattle, WA
Contact:

Re: No audio output, think all else working but no sound

Postby mightyohm » Tue Apr 18, 2017 9:52 pm

Cool! :D


Return to “Wifi Radio Project / Hacking the Asus WL-520gU”

Who is online

Users browsing this forum: Bing [Bot] and 1 guest