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- Sat May 15, 2021 5:02 am
- Forum: General Discussion
- Topic: ESP32 SPI master slave communication not working in DMA mode
- Replies: 1
- Views: 2065
ESP32 SPI master slave communication not working in DMA mode
The ESP32 SPI master & slave sample program given as part of ESP-IDF examples (https://github.com/espressif/esp-idf/tree/master/examples/peripherals/spi_slave) doesn't work for me. I flashed the "spi_slave/receiver" on a ESP32 & "spi_slave/sender" firmware on to another ESP32 dev. board. The GPIO pi...