SD Card suddenly not connecting
Posted: Sun Sep 04, 2022 3:46 pm
Hello.
ESP32, IDF-4.3, MMC 4b card.
After switch SD card from one device to another, im found, what ESP cant connect with:
It works well with another card. So, probmlem in card? But! Card is work with PC easy, without any problems, this card work for months in another ESP device. And suddenly become hald-dead? I dont like it.
So what the problem? Im really dont want to get unconnected card next ESP launch on some another device.
What steps i can do, to determine what is going wrong?
Im trying to set MMC freq at 400kHz, and nothing has changed.
ESP32, IDF-4.3, MMC 4b card.
After switch SD card from one device to another, im found, what ESP cant connect with:
Code: Select all
[0;31mE (60) sdmmc_sd: sdmmc_check_scr: send_scr returned 0xffffffff [0mSo what the problem? Im really dont want to get unconnected card next ESP launch on some another device.
What steps i can do, to determine what is going wrong?
Im trying to set MMC freq at 400kHz, and nothing has changed.