fmc_adc_spec, test30: Add software reset methods, add sw reset test, add sw reset register.

fa41668e · Matthieu Cattin · b4ec16ba · fa41668e · fa41668e · fa41668e
Commit fa41668e authored Jul 26, 2013 by Matthieu Cattin
Showing with 304 additions and 1 deletion

fmc_adc_spec.py test/fmcadc100m14b4cha/python/fmc_adc_spec.py +26 -0

spec_carrier_csr.py test/fmcadc100m14b4cha/python/spec_carrier_csr.py +4 -1

test30.py test/fmcadc100m14b4cha/python/test30.py +274 -0

No files found.
--- a/test/fmcadc100m14b4cha/python/fmc_adc_spec.py
+++ b/test/fmcadc100m14b4cha/python/fmc_adc_spec.py
@@ -86,6 +86,9 @@ class CFmcAdc100mSpec:
        if(ct == 0xFFFFFFFF):
            raise FmcAdc100mSpecOperationError("Bitstream not properly loaded.")

+        # Release the mezzanine software reset
+        self.set_sw_rst(1)
+
        # TODO
        # Check if the expected bitstream loaded
        #bs = self.get_bitstream_type()
@@ -175,6 +178,29 @@ class CFmcAdc100mSpec:
        except CSRDeviceOperationError as e:
            raise FmcAdc100mSpecOperationError(e)

+    # Mezzanine software reset
+    def sw_rst(self):
+        try:
+            self.csr.set_field('RST', 'FMC0', 0)
+            time.sleep(0.001)
+            self.csr.set_field('RST', 'FMC0', 1)
+        except CSRDeviceOperationError as e:
+            raise FmcAdc100mSpecOperationError(e)
+
+    # Set mezzanine software reset state
+    def set_sw_rst(self, value):
+        try:
+            return self.csr.set_field('RST', 'FMC0', value)
+        except CSRDeviceOperationError as e:
+            raise FmcAdc100mSpecOperationError(e)
+
+    # Get mezzanine software reset state
+    def get_sw_rst(self):
+        try:
+            return self.csr.get_field('RST', 'FMC0')
+        except CSRDeviceOperationError as e:
+            raise FmcAdc100mSpecOperationError(e)
+

    #======================================================================
    # Onewire thermometer and unique ID

--- a/test/fmcadc100m14b4cha/python/spec_carrier_csr.py
+++ b/test/fmcadc100m14b4cha/python/spec_carrier_csr.py
@@ -24,5 +24,8 @@ CARRIER_CSR=['Carrier control and status registers',{
                'LED_GREEN':[0, 'Green LED', 0x1],
                'LED_RED':[1, 'Red LED', 0x1],
                'DAC_CLR_N':[2, 'VCXO DAC clear (active low)', 0x1],
-                'RESERVED':[3, 'Reserved', 0x1FFFFFFF]}]
+                'RESERVED':[3, 'Reserved', 0x1FFFFFFF]}],
+        'RST':[0x0C, 'Reset', {
+                'FMC0':[0, 'FMC 1 software reset', 0x1],
+                'RESERVED':[1, 'Reserved', 0x7FFFFFFF]}]
        }]
--- a/test/fmcadc100m14b4cha/python/test30.py
+++ b/test/fmcadc100m14b4cha/python/test30.py
+#!   /usr/bin/env   python
+#    coding: utf8
+
+# Copyright CERN, 2011
+# Author: Matthieu Cattin <matthieu.cattin@cern.ch>
+# Licence: GPL v2 or later.
+# Website: http://www.ohwr.org
+# Last modifications: 30/5/2012
+
+# Import system modules
+import sys
+import time
+import os
+
+# Add common modules and libraries location to path
+sys.path.append('../../../')
+sys.path.append('../../../gnurabbit/python/')
+sys.path.append('../../../common/')
+
+# Import common modules
+from ptsexcept import *
+import rr
+
+# Import specific modules
+from fmc_adc_spec import *
+from fmc_adc import *
+from numpy import *
+from pylab import *
+from calibr_box import *
+import find_usb_tty
+from PAGE.Agilent33250A import *
+from PAGE.SineWaveform import *
+
+
+"""
+test30: Test software reset.
+
+Note: Requires test00.py to run first to load the firmware!
+"""
+
+
+NB_CHANNELS = 4
+
+AWG_SET_SLEEP = 0.3
+SSR_SET_SLEEP = 0.05
+BOX_SET_SLEEP = 0.01
+
+ACQ_TIMEOUT = 10
+
+PRE_TRIG_SAMPLES = 10
+POST_TRIG_SAMPLES = 10000
+NB_SHOTS = 1
+
+ACQ_LENGTH = 10000 # in samples
+
+
+def open_all_channels(fmc):
+    for i in range(1,NB_CHANNELS+1):
+        fmc.set_input_range(i, 'OPEN')
+        time.sleep(SSR_SET_SLEEP)
+
+def fmc_adc_init(spec, fmc):
+    print "Initialise FMC board.\n"
+    # Reset offset DACs
+    fmc.dc_offset_reset()
+    # Make sure all switches are OFF
+    open_all_channels(fmc)
+    # Set software trigger
+    fmc.set_soft_trig()
+    # Set acquisition
+    fmc.set_pre_trig_samples(PRE_TRIG_SAMPLES)
+    fmc.set_post_trig_samples(POST_TRIG_SAMPLES)
+    fmc.set_shots(NB_SHOTS)
+
+# Converts two's complement hex to signed
+def hex2signed(value):
+    if(value & 0x8000):
+        return -((~value & 0xFFFF) + 1)
+    else:
+        return value
+
+# Converts digital value to volts
+def digital2volt(value, full_scale, nb_bit):
+    return float(value) * float(full_scale)/2**nb_bit
+
+def acq_channels(fmc, carrier, adc_fs, pause):
+    # Make sure no acquisition is running
+    fmc.stop_acq()
+    time.sleep(pause)
+    # Start acquisition
+    fmc.start_acq()
+    time.sleep(pause)
+    # Trigger
+    fmc.sw_trig()
+    # Wait end of acquisition
+    timeout = 0
+    while('IDLE' != fmc.get_acq_fsm_state()):
+        time.sleep(.1)
+        timeout += 1
+        if(ACQ_TIMEOUT < timeout):
+            print "Acquisition timeout. Missing trigger?."
+            print "Acq FSm state: %s"%fmc.get_acq_fsm_state()
+            return 1
+    # Retrieve data trough DMA
+    trig_pos = fmc.get_trig_pos()
+    # Enable "DMA done" iinterrupt
+    carrier.set_irq_en_mask(0x1)
+    # Read ACQ_LENGTH samples after the trigger for all channels
+    channels_data = carrier.get_data((trig_pos<<3), ACQ_LENGTH*8)
+    # Disable "DMA done" iinterrupt
+    carrier.set_irq_en_mask(0x0)
+    channels_data = [hex2signed(item) for item in channels_data]
+    channels_data = [digital2volt(item,adc_fs,16) for item in channels_data]
+    return channels_data
+
+def plot_channels(ch_data, ch_mean, ylimit):
+    sample = arange(len(ch_data[0]))
+    plot(sample, ch_data[0], 'b', label='Channel 1')
+    plot(sample, ch_data[1], 'g', label='Channel 2')
+    plot(sample, ch_data[2], 'm', label='Channel 3')
+    plot(sample, ch_data[3], 'c', label='Channel 4')
+    plot(sample, [ch_mean[0]]*len(sample), 'r')
+    plot(sample, [ch_mean[1]]*len(sample), 'r')
+    plot(sample, [ch_mean[2]]*len(sample), 'r')
+    plot(sample, [ch_mean[3]]*len(sample), 'r')
+    ylim(-ylimit-(ylimit/10.0), ylimit+(ylimit/10.0))
+    grid(color='k', linestyle='--', linewidth=1)
+    legend(loc='upper left')
+    show()
+    return 0
+
+
+def main (default_directory='.'):
+
+    # Constants declaration
+    TEST_NB = 30
+    FMC_ADC_BITSTREAM = '../firmwares/spec_fmcadc100m14b4cha.bin'
+    FMC_ADC_BITSTREAM = os.path.join(default_directory, FMC_ADC_BITSTREAM)
+    EXPECTED_BITSTREAM_TYPE = 0x1
+
+    # Calibration box vendor and product IDs
+    BOX_USB_VENDOR_ID = 0x10c4 # Cygnal Integrated Products, Inc.
+    BOX_USB_PRODUCT_ID = 0xea60 # CP210x Composite Device
+    # Agilent AWG serial access vendor and product IDs
+    AWG_USB_VENDOR_ID = 0x0403 # Future Technology Devices International, Ltd
+    AWG_USB_PRODUCT_ID = 0x6001 # FT232 USB-Serial (UART) IC
+    AWG_BAUD = 57600
+
+
+    start_test_time = time.time()
+    print "================================================================================"
+    print "Test%02d start\n" % TEST_NB
+
+    # SPEC object declaration
+    print "Loading hardware access library and opening device.\n"
+    spec = rr.Gennum()
+
+    # Load FMC ADC firmware
+    print "Loading FMC ADC firmware: %s\n" % FMC_ADC_BITSTREAM
+    spec.load_firmware(FMC_ADC_BITSTREAM)
+    time.sleep(2)
+
+    # Carrier object declaration (SPEC board specific part)
+    # Used to check that the firmware is loaded.
+    try:
+        carrier = CFmcAdc100mSpec(spec, EXPECTED_BITSTREAM_TYPE)
+    except FmcAdc100mSpecOperationError as e:
+        raise PtsCritical("Carrier init failed, test stopped: %s" % e)
+
+    # Mezzanine object declaration (FmcAdc100m14b4cha board specific part)
+    try:
+        fmc = CFmcAdc100m(spec)
+    except FmcAdc100mOperationError as e:
+        raise PtsCritical("Mezzanine init failed, test stopped: %s" % e)
+
+
+    try:
+        # Others objects declaration
+        usb_tty = find_usb_tty.CttyUSB()
+        awg_tty = usb_tty.find_usb_tty(AWG_USB_VENDOR_ID, AWG_USB_PRODUCT_ID)
+        box_tty = usb_tty.find_usb_tty(BOX_USB_VENDOR_ID, BOX_USB_PRODUCT_ID)
+        gen = Agilent33250A(device=awg_tty[0], bauds=AWG_BAUD)
+        sine = SineWaveform()
+        box = CCalibr_box(box_tty[0])
+
+        # Initialise fmc adc
+        fmc_adc_init(spec, fmc)
+
+        # Use test data instead of data from ADC
+        # fmc.test_data_en()
+
+        # Use data pattern instead of ADC data
+        # fmc.testpat_en(0x2000)
+
+
+        # Acquisition parameters
+        ACQ_PAUSE = 1 # pause between acq. stop and start, start and trigger
+        IN_RANGE  = '100mV'
+        IN_TERM   = 'ON'
+        ADC_FS = {'10V':10.0, '1V':1.0, '100mV':0.1}
+
+        # Set sine params
+        sine.frequency = 1E6
+        sine.amplitude = 0.8 * ADC_FS[IN_RANGE]
+        sine.dc = 0
+        print "\nSine frequency:%3.3fMHz amplitude:%2.3fVp offset:%2.3fV" % (sine.frequency/1E6, sine.amplitude, sine.dc)
+
+        # Set AWG
+        gen.connect()
+        gen.play(sine)
+        gen.output = True
+        time.sleep(AWG_SET_SLEEP)
+
+
+
+        # Make sure no acquisition is running
+        fmc.stop_acq()
+        # Start acquisition
+        fmc.start_acq()
+        print('\nShould be in acquisition')
+        time.sleep(3)
+
+        print('\nFMC 1 software reset state: 0x%.1X'%carrier.get_sw_rst())
+        print('Resetting mezzanine')
+        carrier.sw_rst()
+        print('FMC 1 software reset state: 0x%.1X'%carrier.get_sw_rst())
+        print('Re-init the mezzanine')
+        fmc.__init__(spec)
+        fmc_adc_init(spec, fmc)
+        time.sleep(3)
+
+        print('Make a compete acquisition')
+        ch_mean = []
+        channels_data = []
+        for ch in range(NB_CHANNELS):
+            # Configure analogue input
+            fmc.set_input_range(ch+1, IN_RANGE)
+            fmc.set_input_term(ch+1, IN_TERM)
+            time.sleep(SSR_SET_SLEEP)
+            # connect AWG to current channel
+            box.select_output_ch(ch+1)
+            time.sleep(BOX_SET_SLEEP)
+            # Perform an acquisition
+            acq_data = acq_channels(fmc, carrier, ADC_FS[IN_RANGE], ACQ_PAUSE)
+            channels_data.append(acq_data[ch::4])
+            ch_mean.append(mean(channels_data[ch]))
+
+        # Plot all channels
+        plot_channels(channels_data, ch_mean, (ADC_FS[IN_RANGE]/2))
+
+        # Make sure all switches are OFF
+        open_all_channels(fmc)
+
+        # Switch AWG OFF
+        gen.output = False
+        gen.close()
+
+        # Check if an error occured during frequency response test
+        # if(error != 0):
+        #    raise PtsError('An error occured, check log for details.')
+
+    except(FmcAdc100mSpecOperationError, FmcAdc100mOperationError, CalibrBoxOperationError) as e:
+        raise PtsError("Test failed: %s" % e)
+
+
+    print ""
+    print "==> End of test%02d" % TEST_NB
+    print "================================================================================"
+    end_test_time = time.time()
+    print "Test%02d elapsed time: %.2f seconds\n" % (TEST_NB, end_test_time-start_test_time)
+
+
+if __name__ == '__main__' :
+    main()