Are there any restrictions on the use of ?

Are there any packets which can't be send?

I put vRingbufferReturnItem now in line 175 (update gist), but issue is still the same. I think thats the wrong place...?

I want to run this script here. Basically its initialize the sd card in 1 line mode, enable wifi and create a second task on core 1 to handle the rungbuffer. But when i call this, i'll get I (2588) wifi: mode : null I (3388) Hinweis: Core 1 for time intensive operation active! I (3388) wifi: ic_enab...

Maybe this can help:
https://gist.github.com/Staubgeborener/ ... b81c158576

Well, what can i say? It's happening again. So basically the only setup thats working here was connecting IO0 to IO2 the whole time. I was getting a blue LED, but it worked (don't know why - i don't have to do this when i normaly flash a project to the ESP32). But now, without changing code or circu...

Thanks igrr, for helping (and everyone in this thread). Well, 1bit worked, 4bit not. Step 3 espefuse.py is still not possible. It hang up in this step. Is gpio_pullup_en(GPIO_NUM_12); doing the same? What i found out: When connecting IO2 to GND with jumper (or just leavin IO2 disconnected from GND o...

You must use espefuse.py set_flash_voltage 3.3V without sdcard inserted, the same as for flashing... Have you tried the SPI mode? You have to use the latest master branch of esp-idf. You can use the same wiring that worked on arduino, the new SD Card example has all the instruction needed, just set...

So what has worked for you in arduino? Was it spi mode, 1-bit sdio, 4-bit sdio? The fact that spi mode works does not show that all the pins on the adapter are OK or that the onboard led is not interfering. This worked. This is my third solid sd card adapter and i had this problem all the time. I c...

The problem with such a setup occurs only when when flashing with sd card attached. Simply remove your sd card from socket, flash ESP32 (I recommend to configure to stay in bootloader after flash). Insert your sd card, run make monitor (it will reset esp32) and sd card should be detected. I've used...

I know, there are a lot of thread about using sd cards with the esp32, but no one of those could help me. Also i found here some circuits, for example from Rudi. I have this problem since i work with the esp32 and after months its still not working. Not in 1 bit mode and not in 4 bit mode. First: He...