diff --git a/spi_send/spi_send.ino b/spi_send/spi_send.ino index d2cdd77..9caa2b0 100644 --- a/spi_send/spi_send.ino +++ b/spi_send/spi_send.ino @@ -1,6 +1,7 @@ #include #define cs_pin 44 // Chip Select pin (must match the slave setup) +byte cnt = 0; uint8_t dataToSend[256]; @@ -19,6 +20,9 @@ void loop() { for (int i = 0; i < 256; i++) { dataToSend[i] = i; } + dataToSend[0] = cnt; + cnt++; + if(cnt>256)cnt=0; SPI2.beginTransaction(SPISettings(22000000, MSBFIRST, SPI_MODE0)); Serial.println("Sending data...");