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by william
Wed Apr 03, 2019 4:57 pm
Forum: ESP-IDF
Topic: SDIO slave send odd data fails in 4-bit mode
Replies: 0
Views: 1896

SDIO slave send odd data fails in 4-bit mode

Hi, I want to use the esp32-devkit-v4 board (with esp32-wrover-b module) as SDIO slave device. And I have programmed the flash voltage selection efuses to 3.3V to make it work in 4-bit mode. I uncommented the SDIO_SLAVE_FLAG_INTERNAL_PULLUP flag and run the example code at esp-idf/examples/periphera...