Search found 6 matches

by bernard.xiong
Sun Jun 11, 2017 12:36 am
Forum: General Discussion
Topic: Re-target newlib, but always errno=9.
Replies: 1
Views: 3629

Re-target newlib, but always errno=9.

Hi, In order to adapt to our VFS interface, I re-target the newlib system call. However, when I invoke printf interface, it always does not call write/write_r interface, and the errno is 9 (EBADF, bad file number). How can I check this issue? And how to compile newlib by myself? My reent initializat...
by bernard.xiong
Mon May 08, 2017 2:03 pm
Forum: Showcase
Topic: ESP32 Webradio
Replies: 188
Views: 508780

Re: ESP32 Webradio

If you want to use libfaad2, you have to increase the task stack to more and more big. libfaad2 is not a good aac decoder, the stack size, the performance etc. Yeah I noticed it uses a lot of memory, the only other free AAC decoder I'm aware of is Helix, but it doesn't support SBR which is importan...
by bernard.xiong
Sun May 07, 2017 4:08 am
Forum: Showcase
Topic: ESP32 with RT-Thread and esp32radio :-)
Replies: 8
Views: 17351

Re: ESP32 with RT-Thread and esp32radio :-)

Done on http living stream, DLNA and airplay :D

Next we will prepare the firmware <Add javascript for upper layer application> and arrange esp32 hardware board.
by bernard.xiong
Sun May 07, 2017 1:54 am
Forum: Showcase
Topic: ESP32 Webradio
Replies: 188
Views: 508780

Re: ESP32 Webradio

Just pushed an update with AAC support, its still a bit beta though. If someone knows about AAC (or even libfaad2), there is an issue with the ADTS parser I believe. If you want to use libfaad2, you have to increase the task stack to more and more big. libfaad2 is not a good aac decoder, the stack ...
by bernard.xiong
Fri May 05, 2017 1:04 am
Forum: Showcase
Topic: ESP32 with RT-Thread and esp32radio :-)
Replies: 8
Views: 17351

Re: ESP32 with RT-Thread and esp32radio :-)

sure, I just use one core for software decoding.
by bernard.xiong
Thu May 04, 2017 1:47 pm
Forum: Showcase
Topic: ESP32 with RT-Thread and esp32radio :-)
Replies: 8
Views: 17351

ESP32 with RT-Thread and esp32radio :-)

With ESP32, based on RT-Thread RTOS and IDF, we have finished RT-Thread/ESP32 porting, and we have to make lots of stub for FreeRTOS APIs :x . Long long ago, we made an open source project: stm32radio, with mp3 playback etc. Right now, we have finished a draft version for esp32radio: * hardware: ESP...