#intended for testing transmitter with spectrum analyzerimport spidevimport timeSPI_BUS = 0SPI_SS = 0SPI_CLOCK = 2000000 #Hzspi = spidev.SpiDev(SPI_BUS, SPI_SS)spi.max_speed_hz = SPI_CLOCKrx = spi.xfer([0x81,0x0c]) #TX modei = 1while True: time.sleep(1) rx = spi.xfer([0x80,0x55]) #address and data print(i) i = i+1spi.close()