Just a question on the USB commands about tinysa

[erikkaashoek]

See TinySA.org/wiki

[Ho-Ro]

This is a python snippet that reads raw data from tiny, scaling is done in the last line:

    with serial.Serial( port='/dev/ttyACM0', baudrate=115200 ) as tinySA:
        scan_command = f'scanraw {int(f_low)} {int(f_high)} {N_points}\r'.encode()
        tinySA.write( scan_command )
        echoes = tinySA.read_until( b'{' ) # skip command echoes
        # print( echoes )
        raw_data = tinySA.read_until( b'}ch> ' )

    raw_data = unpack( '<' + 'xH'*N_points, raw_data[:-5] ) # cut trailing '}ch> '
    raw_data = np.array( raw_data, dtype=np.uint16 )
    dBm_power = raw_data / 32 - 128 # scale 0..4095 -> -128..-0.03 dBm

With your value = 1405 -> 1405/32 = 43.9, 43,9 - 128 = -84.1