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- Sat Mar 09, 2024 1:55 pm
- Forum: ESP32 Arduino
- Topic: SPI as an interrupt-driven slave
- Replies: 1
- Views: 725
SPI as an interrupt-driven slave
I need to migrate from Arduino Uno to ESP32 an application where the SPI subsystem is used as an interrupt-driven slave: void setup() { … SPCR=bit(SPE); SPI.attachInterrupt(); } ISR (SPI_STC_vect) { spi_dat=SPDR; } These instructions generate compilation error because are tied to Arduino Uno hardwar...