On Fri, Oct 4, 2019 at 7:42 PM Basil Gunn <basil@...
>> > The problem is that although all seems normal otherwise, there are no
>> > packets received as evidenced by either "listen -at" or "tail -f
>> > /var/log/direwolf/direwolf.log".
>> Did you set your alsa settings the same as what you had on your working
>> BETA10 image?
>> > It is very clear that the attached radio is receiving aprs packets.
>> > There is likely something obvious I am missing ...?
I think that your ALSA audio routing is incorrect.
If you route through ALSA IN1 then you are using DISCOUT or
discriminator audio. If you route through ALSA IN2 then you are using AFOUT or
compensated audio (preemphasis/deemphasis). Verify how your radio is
configured. On my Kenwood if I select DATSPD 9600 I am selecting
DISCOUT. This works well for both 1200 & 9600 baud packet.
This is not clear to me. I have tested the RPI3/UDRC-II controller to 2 different Yaesu radios both of which work fine with the beta 10 version.
Could you please return the console output of:
# Verify driver loaded properly
**** List of PLAYBACK Hardware Devices ****
card 0: udrc [udrc], device 0: bcm2835-i2s-tlv320aic32x4-hifi tlv320aic32x4-hifi-0 
Subdevice #0: subdevice #0
# Verify configured for udrc & not draws
# Flush all overlays, ie. deprecated overlays loaded from eeprom
# enable udrc/draws if no eeprom
# Enable audio (loads snd_bcm2835)
# Verify how ALSA is routing audio in
===== ALSA Controls for Radio Transmit =====
LO Driver Gain L:[-6.00dB] R:[-6.00dB]
PCM L:[-16.50dB] R:[-16.50dB]
DAC Playback PT L:[P3] R:[P3]
LO Playback CM [Full Chip]
===== ALSA Controls for Radio Receive =====
ADC Level L:[-2.00dB] R:[-2.00dB]
IN1 L:[Off] R:[Off]
IN2 L:[10 kOhm] R:[10 kOhm]
CM L:[10 kOhm] R:[10 kOhm]