def ltc2173_12_dc1525a_i(num_samples, spi_registers, verbose = False, do_plot = False,
do_write_to_file = False):
with Dc1525aI(spi_registers, verbose) as controller:
# You can call this multiple times with the same controller if you need to
ch0, ch1, ch2, ch3 = controller.collect(num_samples, consts.TRIGGER_NONE)
if do_plot:
funcs.plot_channels(controller.get_num_bits(),
ch0, ch1, ch2, ch3,
verbose=verbose)
if do_write_to_file:
funcs.write_channels_to_file_32_bit("data.txt",
ch0, ch1, ch2, ch3,
verbose=verbose)
return ch0, ch1, ch2, ch3
def ltc2324_16_dc2395a_b(num_samples, verbose = False, do_plot = False,
do_write_to_file = False):
with ltc2320.Ltc2320(dc_number = 'DC2395A-B',
num_channels = 4,
num_bits = 16,
verbose = verbose) as controller:
# You can call this multiple times with the same controller if you need to
ch0, ch1, ch2, ch3 = controller.collect(num_samples, consts.TRIGGER_NONE)
if do_plot:
funcs.plot_channels(controller.get_num_bits(),
ch0, ch1, ch2, ch3,
verbose=verbose)
if do_write_to_file:
funcs.write_channels_to_file_32_bit("data.txt",
ch0, ch1, ch2, ch3,
verbose=verbose)
return ch0, ch1, ch2, ch3
def ltc2261_dc1369a_a(num_samples,
spi_registers,
verbose=False,
do_plot=False,
do_write_to_file=False):
with Dc1369aA(spi_registers, verbose) as controller:
# You can call this multiple times with the same controller if you need to
data = controller.collect(num_samples, consts.TRIGGER_NONE)
data = data[0] # Keep only one channel
if do_plot:
funcs.plot_channels(controller.get_num_bits(),
data,
verbose=verbose)
if do_write_to_file:
funcs.write_channels_to_file_32_bit("data.txt",
data,
verbose=verbose)
return data
def ltc2374_16_dc2071a_c(num_samples, spi_registers, is_high_speed,
verbose = False, do_plot = False,
do_write_to_file = False):
with Ltc2374(dc_number = 'DC2071A-C',
spi_registers = spi_registers,
is_high_speed = is_high_speed,
num_channels = len(spi_registers),
num_bits = 16,
verbose = verbose) as controller:
# You can call this multiple times with the same controller if you need to
data = controller.collect(num_samples, consts.TRIGGER_NONE)
if do_plot:
funcs.plot_channels(controller.get_num_bits(),
*data,
verbose=verbose)
if do_write_to_file:
funcs.write_channels_to_file_32_bit("data.txt",
*data,
verbose=verbose)
return data
def test_dc1369a_a():
"""Tests DC890 <= 16 bits, write_to_file32_bits, fix_data bipolar,
fix_data unipolar(offset binary), fix_data random, and fix_data alt bit"""
print "########################"
print "#### TEST D1369A-A ####"
print "########################"
# basic, write_data
print "\nNormal:\n-------"
NUM_SAMPLES = 8 * 1024
spi_reg = [ # addr, value
0x00,
0x80,
0x01,
0x00,
0x02,
0x00,
0x03,
0x71,
0x04,
0x00 # offset binary
]
ltc2261_dc1369a_a(NUM_SAMPLES, spi_reg, False, True, True)
new_filename = "test_dc1563a_a_data.txt"
os.rename("data.txt", new_filename)
data = read_file(new_filename)
os.remove(new_filename)
test_sin(data, 14, 2412, -1, 71, -84, 1400, 15000)
# bipolar
print "\nBipolar:\n--------"
spi_reg = [ # addr, value
0x00,
0x80,
0x01,
0x00,
0x02,
0x00,
0x03,
0x71,
0x04,
0x01 # 2's complement
]
with dc890.Demoboard(dc_number='DC1369A-A',
fpga_load='DLVDS',
num_channels=2,
is_positive_clock=True,
num_bits=14,
alignment=14,
is_bipolar=True,
spi_reg_values=spi_reg,
verbose=False) as controller:
data = controller.collect(NUM_SAMPLES, consts.TRIGGER_NONE)
data = data[0] # Keep only one channel
test_sin(data, 14, 2412, -1, 71, -84, -6500, 6500)
# random
print "\nRandomizer:\n-----------"
spi_reg = [ # addr, value
0x00,
0x80,
0x01,
0x00,
0x02,
0x00,
0x03,
0x71,
0x04,
0x02 # randomizer
]
with dc890.Demoboard(dc_number='DC1369A-A',
fpga_load='DLVDS',
num_channels=2,
is_positive_clock=True,
num_bits=14,
alignment=14,
is_bipolar=False,
spi_reg_values=spi_reg,
verbose=False) as controller:
data = controller.collect(NUM_SAMPLES, consts.TRIGGER_NONE, 5, True)
data = data[0] # Keep only one channel
test_sin(data, 14, 2412, -1, 71, -84, 1400, 15000)
# alt bit
print "\nAlternate Bit:\n--------------"
spi_reg = [ # addr, value
0x00,
0x80,
0x01,
0x00,
0x02,
0x00,
0x03,
0x71,
0x04,
0x04 # alt bit
]
with dc890.Demoboard(dc_number='DC1369A-A',
fpga_load='DLVDS',
num_channels=2,
is_positive_clock=True,
num_bits=14,
alignment=14,
is_bipolar=False,
spi_reg_values=spi_reg,
verbose=False) as controller:
data = controller.collect(NUM_SAMPLES, consts.TRIGGER_NONE, 5, False,
True)
data = data[0] # Keep only one channel
funcs.plot_channels(controller.get_num_bits(), data)
test_sin(data, 14, 2412, -1, 71, -84, 1400, 15000)
print