In case anyone is looking for a solution, I've mostly resolved the issue by reading the buffer one byte at a time: uint8_t byte = 0; // attempt to read in bytes one by one while (true){ i2c_slave_read_buffer(I2C_NUM_0, &byte, 1, portMAX_DELAY); buf[i++] = byte; // ... other code, terminate while loo...

Hi everyone, I'm trying to send a roughly 29 byte Protobuf message over I2C + a 3 byte header between two ESP32s. The I2C master can send the messages fine, however, I'm having trouble using i2c_slave_read_buffer because the bytes are out of order. The first byte of my header is always 0xB, so the b...