tomaskovacik / audi_concert1_chorus1_volume_fix Goto Github PK
View Code? Open in Web Editor NEWHW and SW for fixing volume problem on audi radios concert and chorus made by blaupunkt
License: GNU General Public License v3.0
HW and SW for fixing volume problem on audi radios concert and chorus made by blaupunkt
License: GNU General Public License v3.0
pin 23 of moto MCU
probably pulses, need to be tested in car ...
after restart of car, looks like something did not catch up.... treble and bass level is not set properly, this need to by probably investigated more complexly to realize if we are sending something to soon, to fast
or we just missing capture of something or we catch everything and just forget to send it to TDA???
reported by email:
Run it twice to confirm. Obviously not using devel version for this...
Change sound settings to 0 (fad, bal, treb, bass) just to be sure this doesn't interfere.
Put on some radio station. Volume around 30% so you don't want to turn it off earlier :D
Leave it on. Radio will turn off itself after 1 hour.
Then you press in center button to really turn it physically off. Then again turn it on.
Notice current volume (should be quieter than previous).
Check sound settings but don't change them. Should be the same 0.
Wait for settings to exit back to radio station. Try increasing sound volume to MAX. Will not be possible.
fixed in
Open sound settings. Change any of them by +1 position. Sound will jump to real MAX.
do we have HW resources to implement writing over 3lb using VAGFISWriter?
automatic switch to TP while playing from cd changer did not work , nothing come from speakers.
Disabling TP bring volume back where it should be.
measure standby current,
if not implement low power https://github.com/stm32duino/STM32LowPower this will require port to stm32core instead of roger Clarks core ...
HW is ready for this
implement reset of stm32 if reset goes low, or enter sleep or somthing ... or just try wire it directly ...
Hello, is there approx. time when this chorus1 volume fix hardware could appear in your tindie account? Could it be working for the same age concert1?
Originally posted by @kaalis in #3 (comment)
like here, if posible
http://forum.arduino.cc/index.php?topic=155268.0
#define DEBUG true // flag to turn on/off debugging
#define Serial if(DEBUG)Serial
do we have spare cpu time and HW pins to implement CD changer protocol?
investigate if front panel text can be hijacked without spiting HW path between main mcu and front panel,
write documentation with logic
debug output enabled
uknown1B
button release
uknown1B
button release
uknown1A
button release
uknown1A
button release
other buttons:
LEFT: 0x26
RIGHT: 0x27
UP: 0x1C
DOWN: 0x1D
VOLUME DOWN: 0x1B
VOLUME UP: 0x1A
create logic to analyze if mute packet is legit or it should be discarded as false mute if buggy mcu set volume to zero = muted audio
using STlink upload or serial bootloader
serial bootloader upload will not be possible for V1 boards
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